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Thor Harald Ringsby

Thor Harald Ringsby

Førsteamanuensis
Institutt for biologi

thor.h.ringsby@ntnu.no
73596277 91897032 Realfagbygget, D1-202, Gløshaugen, Høgskoleringen 5
Centre for Biodiversity Dynamics (CBD) Ringsby Lab
Om Publikasjoner Undervisning Formidling

Om

Arbeidssted:

Centre for Biodiversity Dynamics, NTNU https://www.ntnu.edu/cbd

 

Forskning

Mine forsknings interesser faller i hovedsak innenfor feltene populasjonsøkologi livshistorie og bevaringsbiologi.  

Det er viktig å forstå hvordan økologiske og evolusjonære mekanismer påvirker arters utbredelse og deres tallrikhet. En måte å tilegne seg kunnskap om disse mekanismene er å studere variasjonen i suksess ("fitness") som finnes mellom individer i ulike populasjoner og forstå hvordan individenes fitness påvirkes av både nedarvede egenskaper samt miljøforhold (for eksempel værforhold gjennom sesongen) så vel som demografiske forhold (f.eks. populasjonstetthet, kjønns rate). Dette er også avgjørende kunnskap for å kunne forutsi endringer i populasjonsstørrelser over tid - noe som også er sentralt i populasjonsøkologien som fagdisiplin, så vel som innen bevaringsbiologien.

Mange arter opplever sterk tilbakegang i populasjonsstørrelse i dag. En viktig årsak til dette er konsekvensene av menneskelig aktivitet. Spesielt har har habitatødeleggeelse på grunn av skogbruk, jordbruk, byutvikling og infrastruktur ført til fragmentering av områder som tidligere utgjorde kontinuerlige leveområder for en populasjon. Mange populasjoner har derfor blitt splittet opp i mindre sub-populasjoner som er isolert  fra  hverandre og er avhengige av utveksling av individer for å kunne opprettholdes over tid.  Denne type romlig struktur kalles en metapopulasjon.

En annen årsak til endringer i populasjonsstørrelser og arters utbredelse er de pågående menneskeskapte klimaendringene. Det er idag et stort behov for kunnskap omkring dette slik at vi kan forutsi endringene som vil komme, og om mulig sette igang tiltak for å redusere de negative konsekvensene. Det er derfor viktig å undersøke hvordan endringer i klimaet påvirker reprodukasjon og overlevelse til populasjoner og hvordan dette influerer populasjonens vekstrate over tid.

Jeg er også interessert i å forstå hvordan den variansen i insektfaunaen både gjennom sesongen og mellom år påvirker reproduksjonssuksessen hos fuglearter hvor reirungene er avhengig av insektføde tidlig i livet. Slike trofiske interaksjoner mellom predator og byttedyr kan bety mye for bestandsdynamikken, særlig i en tid hvor klimaet er i endring.

Jeg er også interessert i å forstå i hvilken grad parasitter påvirker individuell fitness samt populasjonsfluktuasjoner hos vertsarter . Vi ser ofte at parasitter har høyere forekomst (prevalens) i enkelte vertspopulasjoner i forhold til andre. Hva bestemmer slik variasjon i tid og rom? Dette er ofte komplekse forhold bestemt av den coevolusjonære interaksjonen mellom vert-parasitt, hvordan parasitten overføres mellom verts individer, samt for eksempel klima og populasjonstetthet.

 

For å undersøke de denne type økologiske mekanismer har jeg studert en romlig fordelt populasjon (metapopulasjon) bestående av 18 øypopulasjoner av gråspurv (Passer domesticus) på Helgelandskysten i nord Norge siden 1993.

 

 

 

The focus in ongoing work involves:

  • Hvordan påvirker lokal fenologi (sesongvariasjonen gjennom årstidene), for eksempel vårens ankomst, målt som NDVI), vårstemperaturen og klimaendringene initiering av egglegging og reproduktiv suksess hoe gråspurv?
  • Påvirker populasjonstettheten hos gråspurv på reproduktiv suksess? Hos mange fuglearter blir reirungene matet med insekter i tidlig alder og ved høye populasjonstettheter er det rimelig å anta at konkurransen om insekter er høy. Jeg fokuserer på i hvilken grad den lokale insektsfunaen (som reflekterer habitatets bæreevne) bestemmer (evt. begrenser) reproduktiv suksess hos gråspurv populasjoner. - dessuten, varierer dette gjennom sesongen og mellom habitat (dvs øyer på Helgelandskysten)?
  • Hva er betydningen av den spatio-temporale variasjonen i sammensetningen av insektsamfunnet for reproduktiv suksess for gråspurv?
  • Variasjon i livshistorieegenskaper over tid og i rom: Jeg fokuserer på betydningen av kroppsstørrelse og vekstraten og den potensielle rolle telomerer som mediatorer av levetid og kondisjon hos Gråspurv
  • Årsaker og konsekvenser av variasjon i eggstørrelse hos gråspurv
  • Effekter av ekto og endoparasitter på variasjon i individuell fitness samt på populasjonsdynamikk hos gråspurv på øyer på Helgelandskysten
  • Predator-byttedyr dynamikk

 

Teaching:

Jeg er programrådsleder for det tverrfaglige masterprogrammet "Natural Resources Management" (permisjon Aug 2020-Aug 2021)

Kursansvar:

BI1003 - Evolutionary Biology, Ecology and Ethology

BI2033 – Population ecology

BI2034 – Community ecology

RFEL3081 - Natural Resources Management, Interdisciplinary Project (emneansvarlig)

 

Master projects:

Contact me!

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Se alle publikasjoner i Cristin

2023

  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte. (2023) Spatial variation in the evolutionary potential and constraints of basal metabolic rate and body mass in a wild bird. Journal of Evolutionary Biology
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Wright, Jonathan; Araya Ajoy, Yimen Gerardo; Ranke, Peter Sjolte; Boner, Winnie. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports
    Vitenskapelig artikkel
  • Pepke, Michael Le; Ringsby, Thor Harald; Eisenberg, Dan T. A.. (2023) The evolution of early-life telomere length, pace-of-life and telomere-chromosome length dynamics in birds. Molecular Ecology
    Vitenskapelig artikkel
  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2023) Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies. Royal Society Open Science
    Vitenskapelig artikkel
  • Htay, Thazin; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Spatio-temporal variation in avian taxonomic, functional, and phylogenetic diversity and its relevance for conservation in a wetland ecosystem in Myanmar. Biodiversity and Conservation
    Vitenskapelig artikkel

2022

  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Ringsby, Thor Harald; Hagen, Dagmar; Rolandsen, Christer Moe; Evju, Marianne. (2022) Evaluating mitigation measures to reduce negative impacts of infrastructure construction on vegetation and wildlife. Doctoral theses at NTNU (48)
    Doktorgradsavhandling
  • Bjørsrud, Maren Sofie; Ringsby, Thor Harald; Kvalnes, Thomas; Pepke, Michael Le; Ranke, Peter Sjolte. (2022) Predator-induced selection on phenotypes by sparrowhawks (Accipiter nisus) in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution
    Vitenskapelig artikkel
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics
    Vitenskapelig artikkel
  • Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Promoting bird conservation in wetland-associated landscapes: Factors influencing avian crop damage and farmers’ attitudes. Global Ecology and Conservation
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology
    Vitenskapelig artikkel
  • Søraker, Jørgen Skavdal; Jensen, Henrik; Sæther, Bernt-Erik; Wright, Jonathan; Ranke, Peter Sjolte; Ringsby, Thor Harald. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

2021

  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology
    Vitenskapelig artikkel
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology
    Vitenskapelig artikkel
  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters
    Vitenskapelig artikkel
  • Muller, Amandine Sophie; Jensen, Henrik; Araya-Ajoy, Yimen; Husby, Arild; Kvalnes, Thomas; Lundregan, Sarah. (2021) Effects of inbreeding on lay date in house sparrows (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Pepke, Michael Le; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Wright, Jonathan. (2021) The Ecological and evolutionary role of telomere length in house sparrows. Doctoral theses at NTNU (420)
    Doktorgradsavhandling
  • Gravelsæther, Maria Margareth Angelil; Ringsby, Thor Harald; Fossøy, Frode; Stokke, Bård Gunnar; Hansen, Brage Bremset. (2021) Effects of arthropod abundance on reproductive success in Svalbard snow bunting (Plectrophenax nivalis). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

2020

  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild. (2020) Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation. Proceedings of the National Academy of Sciences of the United States of America
    Vitenskapelig artikkel
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald. (2020) Resistance to gapeworm parasite has both additive and dominant genetic components in house sparrows, with evolutionary consequences for ability to respond to parasite challenge. Molecular Ecology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Nilsen, Erlend Birkeland; Eriksen, Lasse Frost; Eichholz, Emanuel. (2020) Optimal spatiotemporal harvest strategies for willow ptarmigan (Lagopus lagopus) in central Norway. NTNU
    Mastergradsoppgave
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Borg Pedersen, Åsa Alexandra; Pärn, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics
    Vitenskapelig artikkel
  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology
    Vitenskapelig artikkel

2019

  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution
    Vitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology
    Vitenskapelig artikkel
  • Thurmann-Nielsen, Cathrine Framstad; Ringsby, Thor Harald; Pepke, Michael Le; Rønning, Bernt; Kvalnes, Thomas. (2019) Nest Microclimate in Relation to Maternal Phenotypic Quality and Reproductive Success in a Wild Population of House Sparrows (Passer domesticus). NTNU
    Mastergradsoppgave
  • Ranke, Peter Sjolte; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Demographic and genetic and consequences of dispersal in house sparrows. NTNU
    Doktorgradsavhandling
  • Gjestrud Julseth, Martin; Ringsby, Thor Harald; Rønning, Bernt; Pepke, Michael Le; Skei, Jon Kristian; Kvalnes, Thomas. (2019) The effect of arthropod availability on reproductive phenology and success in a multi-brooded passerine Passer domesticus. NTNU
    Mastergradsoppgave
  • Graae, Bente Jessen; Nielsen, Martin Reinhardt; Kløckner, Christian; Ringsby, Thor Harald; Moe, Espen; Said, Mohammed Yahya. (2019) Savanna Life (brettspill/serious game).
    Annet produkt

2018

  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology
    Vitenskapelig artikkel
  • Myhr Stavnås, Veronica; Nilsen, Erlend Birkeland; Ringsby, Thor Harald. (2018) Demographic determinants of population growth rate in willow ptarmigan (Lagopus lagopus) in Lierne, central Norway. Norges teknisk-naturvitenskapelige universitet (NTNU)
    Mastergradsoppgave
  • Johansen, Kristina; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle. (2018) Spatiotemporal variation in laying date and its impact on reproductive success in houses parrows (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology
    Vitenskapelig artikkel
  • Jakobsen, Marte; Ringsby, Thor Harald; Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt. (2018) Spatiotemporal variation and fitness consequences of blood hemoglobin concentration in free-living house sparrow (Passer domesticus) nestlings. NTNU
    Mastergradsoppgave
  • Krogfjord, Mari; Ringsby, Thor Harald; Kvalnes, Thomas; Pedersen, Michael Pepke. (2018) Effects of variation in egg size on maternal fitness in a population of wild house sparrows (Passer domesticus). NTNU
    Mastergradsoppgave
  • Talal, Mohammad; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald. (2018) Individual variation and indirect social effects in Producer-Scrounger behavior in the House Sparrow, Passer domesticus. NTNU
    Mastergradsoppgave

2017

  • Pettersen, Nils Håkon; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2017) Indirect social effects of the individual strategy in producer-scrounger foraging interactions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity
    Vitenskapelig artikkel
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution
    Vitenskapelig artikkel
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Borg Pedersen, Åsa Alexandra; Stokke, Bård Gunnar. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos
    Vitenskapelig artikkel
  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology
    Vitenskapelig artikkel
  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources
    Vitenskapelig artikkel

2016

  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology
    Vitenskapelig artikkel
  • Wright, Jonathan; Finnøen, Mette Helene; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Personality and pace-of-life behavioral syndromes in a model species, the House Sparrow (Passer domesticus). MSc Thesis, NTNU
    Mastergradsoppgave
  • Olsen, Mirja Carola; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Linking variation in personality and behavioural syndromes to social foraging and producer-scrounger effects in house sparrows (Passer domesticus). MSc Thesis, NTNU
    Mastergradsoppgave
  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment
    Vitenskapelig artikkel
  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia
    Vitenskapelig artikkel
  • Danielsen, Preben; Ringsby, Thor Harald; Hansen, Brage Bremset; Varpe, Øystein; Veiberg, Vebjørn. (2016) Climate trends, weather fluctuations and calving phenology in Svalbard reindeer (Rangifer tarandus platyrhynchus). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • De Rijcke, Sandra; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2016) Foraging behaviour of the European shag during early chick-rearing period; do they follow the marginal value theorem?. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Lindstrøm, Ingrid Marie; Solberg, Erling Johan; Rolandsen, Christer Moe; Bram, Van Moorter; Ringsby, Thor Harald. (2016) No mitigating effects of roadside vegetation clearing on ungulate-vehicle collisions in Nord-Trøndelag. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

2015

  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2015) Endoparasite infection has both short- and long-term negative effects on reproductive success of female house sparrows, as revealed by faecal parasitic egg counts. PLOS ONE
    Vitenskapelig artikkel
  • Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Sommerli, Sindre Lysfjord. (2015) Personality and Innovation in House Sparrows: Evolutionary and Demographic Consequences of Individual Phenotypic Differences. MSc Thesis, NTNU
    Mastergradsoppgave
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert. (2015) On being the right size: Increased body size is associated with reduced telomere length under natural conditions. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Skøien, Elida Aarstad; Ringsby, Thor Harald; Fossøy, Frode; Hansen, Brage Bremset; Varpe, Øystein; Stokke, Bård Gunnar. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). NTNU, Department of Biology
    Mastergradsoppgave
  • Ringsby, Thor Harald; Kvalnes, Thomas; Jensen, Henrik; Røberg, Anja Ås. (2015) Effects of variation in egg size on offspring fitness in populations of house sparrow (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Arstad Skøien, Elida; Ringsby, Thor Harald; Hansen, Brage Bremset; Fossøy, Frode; Stokke, Bård Gunnar; Varpe, Øystein. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

2014

  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Van Moorter, Bram; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet
    Populærvitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology
    Vitenskapelig artikkel
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology
    Vitenskapelig artikkel
  • Nossen, Ida; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Possible Effects of Persistent Organic Pollutants on Steroid Hormone Homeostasis in House Sparrows (Passer domesticus) from Helgeland, Norway. Department of Biology, Norwegian University of Science and Technology
    Mastergradsoppgave
  • Dimmen, Malene Vågen; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Levels and effects of persistent organic pollutants (POPs) on circulating thyroid hormones in house sparrows (Passer domesticus) from Leka, Norway. Department of Biology, Norwegian University of Science and Technology
    Mastergradsoppgave
  • Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2014) The parasite Syngamus trachea in a metapopulation of house sparrows. Doktoravhandlinger ved NTNU (2014:178)
    Doktorgradsavhandling
  • Skei, Jørgen; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2014) Exploring Moulting Common Eider (Somateria mollissima) Escape Responses towards Ship Traffic. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave

2013

  • Huseby, Oddmund; Ringsby, Thor Harald; Solberg, Erling Johan; Herfindal, Ivar; Van Moorter, Bram F. A.; Rolandsen, Christer Moe. (2013) Spatio-temporal variation in moose vehicle collisions: the effect of varying traffic intensity and light conditions. Norwegian University of Science and Technology
    Mastergradsoppgave
  • Ofstad, Endre Grüner; Ringsby, Thor Harald; Herfindal, Ivar; Solberg, Erling Johan; Rolandsen, Christer Moe; Van Moorter, Bram F. A.. (2013) Seasonal variation in Site Fidelity of Moose (Alces alces). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Gressetvold, Marit; Ringsby, Thor Harald; Lorentsen, Svein-Håkon. (2013) Identifying conservative criteria for environmental assessments of vulnerability; Seabirds and offshore wind farms as a case study. Norwegian University of Science and Technology
    Mastergradsoppgave
  • Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Pärn, Henrik; Vastveit, Helene Russell. (2013) Spatial and temporal variation in hippoboscid parasitism by Ornithomya chloropus on house sparrows (Passer domesticus) and its effect on survival. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). Parasitology
    Vitenskapelig artikkel
  • Melis, Claudia; Borg, Åsa Alexandra; Jensen, Henrik; Bjørkvoll, Eirin Marie; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2013) Genetic variability and structure of the water vole Arvicola amphibius across four metapopulations in northern Norway. Ecology and Evolution
    Vitenskapelig artikkel
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2013) Correlates of egg size variation in a population of house sparrow Passer domesticus. Oecologia
    Vitenskapelig artikkel

2012

  • Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2012) Spatial heterogeneity in the effects of climate and density-dependence on dispersal in a house sparrow metapopulation. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology
    Vitenskapelig artikkel

2011

  • Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Who ends up in the eagle owl pellets? A new method to assess whether water voles experience different predation risk. Mammalian Biology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Odden, John. (2011) The ecology of a conflict: Eurasian lynx depredation on domestic sheep. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (320)
    Doktorgradsavhandling
  • Kristiansen, Atle Torvik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2011) Genetic variation in a metapopulation of house sparrows: The interplay of population size and dispersal. NTNU, Institutt for biologi
    Mastergradsoppgave

2010

  • Kvalnes, Thomas; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2010) Correlates of egg size variation in a population of house sparrow Passer domesticus. NTNU, Institutt for biologi
    Mastergradsoppgave

2009

  • Holand, Håkon; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2009) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). NTNU, Institutt for biologi
    Mastergradsoppgave
  • Ringsby, Thor Harald; Berge, Torborg; Sæther, Bernt-Erik; Jensen, Henrik. (2009) Reproductive success and individual variation in feeding frequency of House Sparrows (Passer domesticus). Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig oversiktsartikkel/review
  • Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness correlates of dispersal in a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel

2008

  • Davidsen, Ole Roar; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2008) Size-related variation in survival rates of house sparrows (Passer domesticus) subject to artificial size-dependent selection. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters
    Vitenskapelig artikkel
  • Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Organohalogen Compounds
    Vitenskapelig artikkel
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2008) Evolutionary dynamics of a sexual ornament in the house sparrow (Passer domesticus): The role of indirect selection within and between sexes. Evolution
    Vitenskapelig oversiktsartikkel/review

2007

  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution
    Vitenskapelig artikkel
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2007) Dispersal of introduced house sparrows Passer domesticus: an experiment. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. Molecular Ecology
    Vitenskapelig oversiktsartikkel/review

2006

  • Myre Bremset, Erlend; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Multilocus heterozygosity and inbreeding in an insular house sparrow metapopulation. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of House Sparrows after an introduction experiment. Journal of Ornithology = Journal fur Ornithologie
    Sammendrag/abstract
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Indirect selection as a constraint on the evolution of sexual ornaments and other morphological traits in the House Sparrow. Journal of Ornithology = Journal fur Ornithologie
    Sammendrag/abstract
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Engen, Steinar. (2006) Demographic characteristics of extinction in a small, insular population of house sparrows in Northern Norway. Conservation Biology
    Vitenskapelig artikkel
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Causes and consequences of adaptive seasonal sex ratio variation in house sparrows. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Skei, Jon Kristian; Dolmen, Dag; Rønning, Lars; Ringsby, Thor Harald. (2006) Habitat use during the aquatic phase of the newts Triturus vulgaris (L.) and T. cristatus (Laurenti) in central Norway: proposition for a conservation and monitoring area. Amphibia-Reptilia
    Vitenskapelig artikkel
  • Solberg, E.J.; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Fitness consequences of hybridization between house sparrows (Passer domesticus) and tree sparrows (P-montanus). Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig artikkel
  • Jensen, Henrik; Svorkmo-Lundberg, Torkild; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Environmental influence and cohort effects in a sexual ornament in the house sparrow, Passer domesticus. Oikos
    Vitenskapelig artikkel

2005

  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Causes and consequences of sex ratio variation in house sparrows. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Correlates of multiple paternity (MP) in a house sparrow, Passer domesticus, meta-population. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Tufto, Jarle; Ringsby, Thor Harald; Dhondt, A.A.; Andriaensen, Frank; Matthysen, Erik. (2005) A parametric model for estimation of dispersal patterns applied to five passerine spatially structured populations. The American Naturalist
    Vitenskapelig artikkel

2004

  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, Simon C.; Ellegren, H. (2004) Lifetime reproductive success in relation to morphology in the house sparrow Passer domesticus. Journal of Animal Ecology
    Vitenskapelig artikkel

2003

  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, S. C.; Ellegren, Hans. (2003) Sexual variation in heritability and genetic correlations of morphological traits in house sparrow (Passer domesticus). Journal of Evolutionary Biology
    Vitenskapelig artikkel
  • Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle. (2003) Does availability of resources influence grazing strategies in female Svalbard reindeer?. Rangifer
    Vitenskapelig artikkel

2002

  • Solberg, Erling Johan; Loison, Anne; Ringsby, Thor Harald; Sæther, Bernt-Erik; Heim, Morten. (2002) Biased adult sex ratio can affect fecundity in primiparous moose. Wildlife Biology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatiotemporal variation in demography of a House Sparrow Passer domesticus metapopulation in a correlated environment. Ecology
    Vitenskapelig artikkel

2000

  • Altwegg, Res; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2000) Phenotypic correlates and consequences of dispersal in a metapopulation of house sparrows Passer domesticus. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Solberg, Erling Johan; Ringsby, Thor Harald; Altwegg, Andreas; Sæther, Bernt-Erik. (2000) Fertile House Sparrow X Tree Sparrow (Passer domesticus X Passer montanus) hybrids?. Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig artikkel

1999

  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Andreas; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow metapopulation. Oikos
    Vitenskapelig artikkel
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Res; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow, Passer domesticus, metapopulation. Oikos
    Vitenskapelig artikkel

1998

  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU
    Doktorgradsavhandling
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. [Mangler utgivernavn]
    Doktorgradsavhandling
  • Ringsby, Thor Harald. (1998) Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Solberg, Erling Johan. (1998) Factors affecting juvenile survival in House Sparrow Passer domesticus. Journal of Avian Biology
    Vitenskapelig artikkel

1997

  • Solberg, E.J.; Ringsby, Thor Harald. (1997) Does male badge size signal status in small island populations of House sparrows, Passer domesticus?. Ethology
    Vitenskapelig artikkel
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica
    Vitenskapelig artikkel

1996

  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Røskaft, Eivin. (1996) Life history variation, population processes and priorities in species conservation : towards a reunion of research paradigms. Oikos
    Vitenskapelig artikkel

Tidsskriftspublikasjoner

  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte. (2023) Spatial variation in the evolutionary potential and constraints of basal metabolic rate and body mass in a wild bird. Journal of Evolutionary Biology
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Wright, Jonathan; Araya Ajoy, Yimen Gerardo; Ranke, Peter Sjolte; Boner, Winnie. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports
    Vitenskapelig artikkel
  • Pepke, Michael Le; Ringsby, Thor Harald; Eisenberg, Dan T. A.. (2023) The evolution of early-life telomere length, pace-of-life and telomere-chromosome length dynamics in birds. Molecular Ecology
    Vitenskapelig artikkel
  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2023) Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies. Royal Society Open Science
    Vitenskapelig artikkel
  • Htay, Thazin; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Spatio-temporal variation in avian taxonomic, functional, and phylogenetic diversity and its relevance for conservation in a wetland ecosystem in Myanmar. Biodiversity and Conservation
    Vitenskapelig artikkel
  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution
    Vitenskapelig artikkel
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics
    Vitenskapelig artikkel
  • Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Promoting bird conservation in wetland-associated landscapes: Factors influencing avian crop damage and farmers’ attitudes. Global Ecology and Conservation
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology
    Vitenskapelig artikkel
  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology
    Vitenskapelig artikkel
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology
    Vitenskapelig artikkel
  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters
    Vitenskapelig artikkel
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild. (2020) Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation. Proceedings of the National Academy of Sciences of the United States of America
    Vitenskapelig artikkel
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald. (2020) Resistance to gapeworm parasite has both additive and dominant genetic components in house sparrows, with evolutionary consequences for ability to respond to parasite challenge. Molecular Ecology
    Vitenskapelig artikkel
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Borg Pedersen, Åsa Alexandra; Pärn, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics
    Vitenskapelig artikkel
  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology
    Vitenskapelig artikkel
  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution
    Vitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology
    Vitenskapelig artikkel
  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology
    Vitenskapelig artikkel
  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology
    Vitenskapelig artikkel
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity
    Vitenskapelig artikkel
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution
    Vitenskapelig artikkel
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Borg Pedersen, Åsa Alexandra; Stokke, Bård Gunnar. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos
    Vitenskapelig artikkel
  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology
    Vitenskapelig artikkel
  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources
    Vitenskapelig artikkel
  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology
    Vitenskapelig artikkel
  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment
    Vitenskapelig artikkel
  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia
    Vitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2015) Endoparasite infection has both short- and long-term negative effects on reproductive success of female house sparrows, as revealed by faecal parasitic egg counts. PLOS ONE
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert. (2015) On being the right size: Increased body size is associated with reduced telomere length under natural conditions. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Van Moorter, Bram; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet
    Populærvitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology
    Vitenskapelig artikkel
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology
    Vitenskapelig artikkel
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). Parasitology
    Vitenskapelig artikkel
  • Melis, Claudia; Borg, Åsa Alexandra; Jensen, Henrik; Bjørkvoll, Eirin Marie; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2013) Genetic variability and structure of the water vole Arvicola amphibius across four metapopulations in northern Norway. Ecology and Evolution
    Vitenskapelig artikkel
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2013) Correlates of egg size variation in a population of house sparrow Passer domesticus. Oecologia
    Vitenskapelig artikkel
  • Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2012) Spatial heterogeneity in the effects of climate and density-dependence on dispersal in a house sparrow metapopulation. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology
    Vitenskapelig artikkel
  • Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Who ends up in the eagle owl pellets? A new method to assess whether water voles experience different predation risk. Mammalian Biology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Berge, Torborg; Sæther, Bernt-Erik; Jensen, Henrik. (2009) Reproductive success and individual variation in feeding frequency of House Sparrows (Passer domesticus). Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig oversiktsartikkel/review
  • Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness correlates of dispersal in a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters
    Vitenskapelig artikkel
  • Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Organohalogen Compounds
    Vitenskapelig artikkel
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2008) Evolutionary dynamics of a sexual ornament in the house sparrow (Passer domesticus): The role of indirect selection within and between sexes. Evolution
    Vitenskapelig oversiktsartikkel/review
  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution
    Vitenskapelig artikkel
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2007) Dispersal of introduced house sparrows Passer domesticus: an experiment. Proceedings of the Royal Society of London. Biological Sciences
    Vitenskapelig artikkel
  • Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. Molecular Ecology
    Vitenskapelig oversiktsartikkel/review
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of House Sparrows after an introduction experiment. Journal of Ornithology = Journal fur Ornithologie
    Sammendrag/abstract
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Indirect selection as a constraint on the evolution of sexual ornaments and other morphological traits in the House Sparrow. Journal of Ornithology = Journal fur Ornithologie
    Sammendrag/abstract
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Engen, Steinar. (2006) Demographic characteristics of extinction in a small, insular population of house sparrows in Northern Norway. Conservation Biology
    Vitenskapelig artikkel
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Causes and consequences of adaptive seasonal sex ratio variation in house sparrows. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Skei, Jon Kristian; Dolmen, Dag; Rønning, Lars; Ringsby, Thor Harald. (2006) Habitat use during the aquatic phase of the newts Triturus vulgaris (L.) and T. cristatus (Laurenti) in central Norway: proposition for a conservation and monitoring area. Amphibia-Reptilia
    Vitenskapelig artikkel
  • Solberg, E.J.; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Fitness consequences of hybridization between house sparrows (Passer domesticus) and tree sparrows (P-montanus). Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig artikkel
  • Jensen, Henrik; Svorkmo-Lundberg, Torkild; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Environmental influence and cohort effects in a sexual ornament in the house sparrow, Passer domesticus. Oikos
    Vitenskapelig artikkel
  • Tufto, Jarle; Ringsby, Thor Harald; Dhondt, A.A.; Andriaensen, Frank; Matthysen, Erik. (2005) A parametric model for estimation of dispersal patterns applied to five passerine spatially structured populations. The American Naturalist
    Vitenskapelig artikkel
  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, Simon C.; Ellegren, H. (2004) Lifetime reproductive success in relation to morphology in the house sparrow Passer domesticus. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, S. C.; Ellegren, Hans. (2003) Sexual variation in heritability and genetic correlations of morphological traits in house sparrow (Passer domesticus). Journal of Evolutionary Biology
    Vitenskapelig artikkel
  • Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle. (2003) Does availability of resources influence grazing strategies in female Svalbard reindeer?. Rangifer
    Vitenskapelig artikkel
  • Solberg, Erling Johan; Loison, Anne; Ringsby, Thor Harald; Sæther, Bernt-Erik; Heim, Morten. (2002) Biased adult sex ratio can affect fecundity in primiparous moose. Wildlife Biology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatiotemporal variation in demography of a House Sparrow Passer domesticus metapopulation in a correlated environment. Ecology
    Vitenskapelig artikkel
  • Altwegg, Res; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2000) Phenotypic correlates and consequences of dispersal in a metapopulation of house sparrows Passer domesticus. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Solberg, Erling Johan; Ringsby, Thor Harald; Altwegg, Andreas; Sæther, Bernt-Erik. (2000) Fertile House Sparrow X Tree Sparrow (Passer domesticus X Passer montanus) hybrids?. Journal of Ornithology = Journal fur Ornithologie
    Vitenskapelig artikkel
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Andreas; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow metapopulation. Oikos
    Vitenskapelig artikkel
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Journal of Animal Ecology
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Res; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow, Passer domesticus, metapopulation. Oikos
    Vitenskapelig artikkel
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour
    Vitenskapelig artikkel
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Solberg, Erling Johan. (1998) Factors affecting juvenile survival in House Sparrow Passer domesticus. Journal of Avian Biology
    Vitenskapelig artikkel
  • Solberg, E.J.; Ringsby, Thor Harald. (1997) Does male badge size signal status in small island populations of House sparrows, Passer domesticus?. Ethology
    Vitenskapelig artikkel
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica
    Vitenskapelig artikkel
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Røskaft, Eivin. (1996) Life history variation, population processes and priorities in species conservation : towards a reunion of research paradigms. Oikos
    Vitenskapelig artikkel

Del av bok/rapport

  • Ringsby, Thor Harald. (1998) Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Rapport

  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Ringsby, Thor Harald; Hagen, Dagmar; Rolandsen, Christer Moe; Evju, Marianne. (2022) Evaluating mitigation measures to reduce negative impacts of infrastructure construction on vegetation and wildlife. Doctoral theses at NTNU (48)
    Doktorgradsavhandling
  • Bjørsrud, Maren Sofie; Ringsby, Thor Harald; Kvalnes, Thomas; Pepke, Michael Le; Ranke, Peter Sjolte. (2022) Predator-induced selection on phenotypes by sparrowhawks (Accipiter nisus) in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Søraker, Jørgen Skavdal; Jensen, Henrik; Sæther, Bernt-Erik; Wright, Jonathan; Ranke, Peter Sjolte; Ringsby, Thor Harald. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Muller, Amandine Sophie; Jensen, Henrik; Araya-Ajoy, Yimen; Husby, Arild; Kvalnes, Thomas; Lundregan, Sarah. (2021) Effects of inbreeding on lay date in house sparrows (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Pepke, Michael Le; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Wright, Jonathan. (2021) The Ecological and evolutionary role of telomere length in house sparrows. Doctoral theses at NTNU (420)
    Doktorgradsavhandling
  • Gravelsæther, Maria Margareth Angelil; Ringsby, Thor Harald; Fossøy, Frode; Stokke, Bård Gunnar; Hansen, Brage Bremset. (2021) Effects of arthropod abundance on reproductive success in Svalbard snow bunting (Plectrophenax nivalis). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Ringsby, Thor Harald; Nilsen, Erlend Birkeland; Eriksen, Lasse Frost; Eichholz, Emanuel. (2020) Optimal spatiotemporal harvest strategies for willow ptarmigan (Lagopus lagopus) in central Norway. NTNU
    Mastergradsoppgave
  • Thurmann-Nielsen, Cathrine Framstad; Ringsby, Thor Harald; Pepke, Michael Le; Rønning, Bernt; Kvalnes, Thomas. (2019) Nest Microclimate in Relation to Maternal Phenotypic Quality and Reproductive Success in a Wild Population of House Sparrows (Passer domesticus). NTNU
    Mastergradsoppgave
  • Ranke, Peter Sjolte; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Demographic and genetic and consequences of dispersal in house sparrows. NTNU
    Doktorgradsavhandling
  • Gjestrud Julseth, Martin; Ringsby, Thor Harald; Rønning, Bernt; Pepke, Michael Le; Skei, Jon Kristian; Kvalnes, Thomas. (2019) The effect of arthropod availability on reproductive phenology and success in a multi-brooded passerine Passer domesticus. NTNU
    Mastergradsoppgave
  • Myhr Stavnås, Veronica; Nilsen, Erlend Birkeland; Ringsby, Thor Harald. (2018) Demographic determinants of population growth rate in willow ptarmigan (Lagopus lagopus) in Lierne, central Norway. Norges teknisk-naturvitenskapelige universitet (NTNU)
    Mastergradsoppgave
  • Johansen, Kristina; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle. (2018) Spatiotemporal variation in laying date and its impact on reproductive success in houses parrows (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Jakobsen, Marte; Ringsby, Thor Harald; Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt. (2018) Spatiotemporal variation and fitness consequences of blood hemoglobin concentration in free-living house sparrow (Passer domesticus) nestlings. NTNU
    Mastergradsoppgave
  • Krogfjord, Mari; Ringsby, Thor Harald; Kvalnes, Thomas; Pedersen, Michael Pepke. (2018) Effects of variation in egg size on maternal fitness in a population of wild house sparrows (Passer domesticus). NTNU
    Mastergradsoppgave
  • Talal, Mohammad; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald. (2018) Individual variation and indirect social effects in Producer-Scrounger behavior in the House Sparrow, Passer domesticus. NTNU
    Mastergradsoppgave
  • Pettersen, Nils Håkon; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2017) Indirect social effects of the individual strategy in producer-scrounger foraging interactions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Wright, Jonathan; Finnøen, Mette Helene; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Personality and pace-of-life behavioral syndromes in a model species, the House Sparrow (Passer domesticus). MSc Thesis, NTNU
    Mastergradsoppgave
  • Olsen, Mirja Carola; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Linking variation in personality and behavioural syndromes to social foraging and producer-scrounger effects in house sparrows (Passer domesticus). MSc Thesis, NTNU
    Mastergradsoppgave
  • Danielsen, Preben; Ringsby, Thor Harald; Hansen, Brage Bremset; Varpe, Øystein; Veiberg, Vebjørn. (2016) Climate trends, weather fluctuations and calving phenology in Svalbard reindeer (Rangifer tarandus platyrhynchus). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • De Rijcke, Sandra; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2016) Foraging behaviour of the European shag during early chick-rearing period; do they follow the marginal value theorem?. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Lindstrøm, Ingrid Marie; Solberg, Erling Johan; Rolandsen, Christer Moe; Bram, Van Moorter; Ringsby, Thor Harald. (2016) No mitigating effects of roadside vegetation clearing on ungulate-vehicle collisions in Nord-Trøndelag. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Sommerli, Sindre Lysfjord. (2015) Personality and Innovation in House Sparrows: Evolutionary and Demographic Consequences of Individual Phenotypic Differences. MSc Thesis, NTNU
    Mastergradsoppgave
  • Skøien, Elida Aarstad; Ringsby, Thor Harald; Fossøy, Frode; Hansen, Brage Bremset; Varpe, Øystein; Stokke, Bård Gunnar. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). NTNU, Department of Biology
    Mastergradsoppgave
  • Ringsby, Thor Harald; Kvalnes, Thomas; Jensen, Henrik; Røberg, Anja Ås. (2015) Effects of variation in egg size on offspring fitness in populations of house sparrow (Passer domesticus). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Arstad Skøien, Elida; Ringsby, Thor Harald; Hansen, Brage Bremset; Fossøy, Frode; Stokke, Bård Gunnar; Varpe, Øystein. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Nossen, Ida; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Possible Effects of Persistent Organic Pollutants on Steroid Hormone Homeostasis in House Sparrows (Passer domesticus) from Helgeland, Norway. Department of Biology, Norwegian University of Science and Technology
    Mastergradsoppgave
  • Dimmen, Malene Vågen; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Levels and effects of persistent organic pollutants (POPs) on circulating thyroid hormones in house sparrows (Passer domesticus) from Leka, Norway. Department of Biology, Norwegian University of Science and Technology
    Mastergradsoppgave
  • Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2014) The parasite Syngamus trachea in a metapopulation of house sparrows. Doktoravhandlinger ved NTNU (2014:178)
    Doktorgradsavhandling
  • Skei, Jørgen; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2014) Exploring Moulting Common Eider (Somateria mollissima) Escape Responses towards Ship Traffic. Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Huseby, Oddmund; Ringsby, Thor Harald; Solberg, Erling Johan; Herfindal, Ivar; Van Moorter, Bram F. A.; Rolandsen, Christer Moe. (2013) Spatio-temporal variation in moose vehicle collisions: the effect of varying traffic intensity and light conditions. Norwegian University of Science and Technology
    Mastergradsoppgave
  • Ofstad, Endre Grüner; Ringsby, Thor Harald; Herfindal, Ivar; Solberg, Erling Johan; Rolandsen, Christer Moe; Van Moorter, Bram F. A.. (2013) Seasonal variation in Site Fidelity of Moose (Alces alces). Norwegian University of Science and Technology
    Mastergradsoppgave
  • Gressetvold, Marit; Ringsby, Thor Harald; Lorentsen, Svein-Håkon. (2013) Identifying conservative criteria for environmental assessments of vulnerability; Seabirds and offshore wind farms as a case study. Norwegian University of Science and Technology
    Mastergradsoppgave
  • Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Pärn, Henrik; Vastveit, Helene Russell. (2013) Spatial and temporal variation in hippoboscid parasitism by Ornithomya chloropus on house sparrows (Passer domesticus) and its effect on survival. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Ringsby, Thor Harald; Odden, John. (2011) The ecology of a conflict: Eurasian lynx depredation on domestic sheep. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (320)
    Doktorgradsavhandling
  • Kristiansen, Atle Torvik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2011) Genetic variation in a metapopulation of house sparrows: The interplay of population size and dispersal. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Kvalnes, Thomas; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2010) Correlates of egg size variation in a population of house sparrow Passer domesticus. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Holand, Håkon; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2009) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). NTNU, Institutt for biologi
    Mastergradsoppgave
  • Davidsen, Ole Roar; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2008) Size-related variation in survival rates of house sparrows (Passer domesticus) subject to artificial size-dependent selection. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Myre Bremset, Erlend; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Multilocus heterozygosity and inbreeding in an insular house sparrow metapopulation. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Causes and consequences of sex ratio variation in house sparrows. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Correlates of multiple paternity (MP) in a house sparrow, Passer domesticus, meta-population. NTNU, Institutt for biologi
    Mastergradsoppgave
  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU
    Doktorgradsavhandling
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. [Mangler utgivernavn]
    Doktorgradsavhandling

PRODUKT

  • Graae, Bente Jessen; Nielsen, Martin Reinhardt; Kløckner, Christian; Ringsby, Thor Harald; Moe, Espen; Said, Mohammed Yahya. (2019) Savanna Life (brettspill/serious game).
    Annet produkt

Undervisning

Emner

  • NATRBI3900 - Master Thesis in Natural Resources Management - Biology
  • BI1003 - Økologi, atferd og evolusjon
  • RFEL3081 - Interdisiplinary Project for Environmental Sustainability
  • BI2033 - Populasjonsøkologi
  • BI2034 - Samfunnsøkologi og økosystemer
  • RFEL3083 - Bærekraftig forvaltning: Praksis

Formidling

2022

  • Vitenskapelig foredrag
    Søraker, Jørgen Skavdal; Ranke, Peter Sjolte; Wright, Jonathan; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. Oxford University IX Hole-Nesting Bird Conference , Oxford 2022-09-06 - 2022-09-08
  • Poster
    Ghimire, Kiran; Burnett, Hamish Andrew; Goedert, Debora; Ranke, Peter Sjolte; Muff, Stefanie; Ringsby, Thor Harald. (2022) Effects of inbreeding on nestling fitness in an insular house sparrow metapopulation in northern Norway. Nordic Society Oikos 5th Conference of Nordic Society OIKOS 2022 , Aarhus 2022-06-07 - 2022-06-10
  • Faglig foredrag
    Ringsby, Thor Harald. (2022) Knowledge for a more sustainable use of wild species. Miljødirektoratet Nasjonal lansering av naturpanelets rapport om bærekraftig bruk av ville arter , Trondheim 2022-11-29 - 2022-11-29
  • Poster
    Pepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Niskanen, Alina Katariina; Lundregan, Sarah; Ranke, Peter Sjolte. (2022) The ecological and evolutionary role of early-life telomere length in wild house sparrows . European Society for Evolutionary Biology Congress of the European Society for Evolutionary Biology 2022 , Praha 2022-08-14 - 2022-08-19
  • Poster
    Pepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Monaghan, Pat; Ranke, Peter Sjolte; Lundregan, Sarah. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Nordic Society Oikos 5th Conference of Nordic Society OIKOS 2022 , Aarhus 2022-06-07 - 2022-06-10
  • Vitenskapelig foredrag
    Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Farmers’ Vulnerability and Acceptability of Avian Crop Damage . Colorodo State University and Wageningen University Pathways Europe 2022 , Wageningen University 2022-10-19 - 2022-10-21

2021

  • Poster
    Le Moullec, Mathilde; Acker, Paul; Grøtan, Vidar; Lee, Aline Magdalena; Herfindal, Ivar; O'Hara, Bob. (2021) How can we assess temporal changes in population synchrony?. British Ecological Society Annual Meeting of the British Ecological Society , Liverpool, UK 2021-12-12 - 2021-12-15
  • Dokumentar
    Bazilchuk, Nancy Reney; Jensen, Henrik; Ringsby, Thor Harald; Muff, Stefanie. (2021) Darwin had Galapagos finches. Norway has… house sparrows?. https://shows.acast.com/63-degrees-north/episodes/ https://shows.acast.com/63-degrees-north/episodes/ [Internett] 2021-02-26

2020

  • Vitenskapelig foredrag
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon; Pärn, Henrik. (2020) Causes and consequences of variation in life history strategies among house sparrows. Institute of BAH&CM Scientific Seminar at Pat Monaghan and Neil Metcalfes Lab group , Glasgow 2020-11-04 - 2020-11-04
  • Vitenskapelig foredrag
    Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Kvalnes, Thomas; Sæther, Bernt-Erik. (2020) Effects of the nematode parasite Syngamus trachea on fitness of House sparrows in northern Norway. Nordic Society Oikos The fourth conference of the Nordic Society Oikos , Reykjavik 2020-03-03 - 2020-03-05
  • Faglig foredrag
    Saatoglu, Fikriye Dilan; Froy, Hannah; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte. (2020) Fitness consequences of dispersal in a house sparrow metapopulation. Nordic Society Oikos Oikos 2020 , Reykjavik 2020-03-03 - 2020-03-05
  • Populærvitenskapelig foredrag
    Jensen, Henrik; Ringsby, Thor Harald; Lundregan, Sarah; Røsbak, Randi. (2020) Seleksjon og evolusjon i naturlige bestander. Skolelaboratoriet, NTNU Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2020-01-14 - 2020-01-15

2019

  • Vitenskapelig foredrag
    Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Huisman, Jisca; Araya-Ajoy, Yimen. (2019) Inbreeding depression in a house sparrow metapopulation. University of Oulu Molecular Ecology and Evolution Lab meeting , Oulu 2019-01-24 - 2019-01-24
  • Vitenskapelig foredrag
    Saatoglu, Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte. (2019) Dispersal - genetic detection and fitness consequences. Kaamos symposium , Oulu 2019-12-11 - 2019-12-12
  • Vitenskapelig foredrag
    Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2019) Optimal clutch size in willow ptarmigan (Lagopus lagopus). Norsk økologisk forening 4th Conference of the Norwegian Ecological Society , Tromsø 2019-02-11 - 2019-02-13
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Froy, Hannah. (2019) Fitness consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology (ESEB) 2019 Congress of the European Society for Evolutionary Biology (ESEB) , Turku 2019-08-19 - 2019-08-24
  • Faglig foredrag
    Jensen, Henrik; Ringsby, Thor Harald; Eggen, Grethe Stavik. (2019) Seleksjon og evolusjon i naturlige bestander. Skolelaboratoriet, NTNU Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2019-01-17 - 2019-01-17

2018

  • Populærvitenskapelig foredrag
    Jensen, Henrik; Ringsby, Thor Harald. (2018) Seleksjon og evolusjon i naturlige bestander. Skolelaboratoriet, NTNU Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2018-01-15 - 2018-01-15
  • Poster
    Jensen, Henrik; Stubberud, Marlene Wæge; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie. (2018) Consequences of demographic processes for effective population size in house sparrows. Centre for Biodiversity Dynamics, NTNU Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Vitenskapelig foredrag
    Ringsby, Thor Harald. (2018) Causes and consequences of variation in life history strategies among house sparrows. Institute of Biodiversity, Animal Health and Comparative Med Gjesteforelesning, University of Glasgow, UK , Glasgow 2018-03-15 - 2018-03-15
  • Vitenskapelig foredrag
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene. (2018) Discovering dispersers by genetic stock identification method in a house sparrow metapopulation. Centre for Biodiversity Dynamics, NTNU Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Vitenskapelig foredrag
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon. (2018) Inbreeding depression in a house sparrow metapopulation. European Society for Evolutionary Biology (ESEB) Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Poster
    Bohm, Sina; Niskanen, Alina Katariina; Saatoglu, Dilan; Pärn, Henrik; Ranke, Peter Sjolte; Araya-Ajoy, Yimen. (2018) Interactions between inbreeding and dispersal in a house sparrows metapopulation. European Society for Evolutionary Biology (ESEB) Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene. (2018) Dispersal and its Fitness consequences in a house sparrow metapopulation - identifying "cryptic" dispersers using a genetic assignment method. European Society for Evolutionary Biology (ESEB) Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon. (2018) Inbreeding depression in house sparrows. Centre for Biodiversity Dynamics, NTNU Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Poster
    Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Investigating the genetic architecture of bill morphology in a free-living house sparrow metapopulation using a 200K SNP array. Centre for Biodiversity Dynamics, NTNU Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22

2017

  • Populærvitenskapelig foredrag
    Jensen, Henrik; Ringsby, Thor Harald. (2017) Seleksjon og evolusjon i naturlige bestander. Skolelaboratoriet, NTNU Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2017-01-12 - 2017-01-12
  • Vitenskapelig foredrag
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas. (2017) Investigating the genetic basis of dispersal in house sparrow metapopulation. University of Quebec Wild Animal Model Biennial Meeting , Montreal 2017-07-03 - 2017-07-07
  • Poster
    Kvalnes, Thomas; Rødberg, Anja Aas; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2017) Offspring fitness and the optimal propagule size in a fluctuating environment. Eighth International Hole-Nesting Birds Conference 2017-10-30 - 2017-11-02
  • Poster
    Husby, Arild; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon. (2017) Unbiased genetic variance estimation using variation in IBD sharing among full sibs. European Society for Evolutionary Biology ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Gohli, Jostein; Silva, Catarina; Kvalnes, Thomas; Myhre, Ane Marlene; Rønning, Bernt; Pärn, Henrik. (2017) Genetic basis for wing length variation in the house sparrow. European Society for Evolutionary Biology ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Rønning, Bernt; Tennfjord, Øystein Øy; Hagen, Ingerid Julie; Kvalnes, Thomas; Pärn, Henrik; Kemppainen, Petri. (2017) Basal metabolic rate in Wild house sparrow populations: genetic basis and effects on fitness. European Society for Evolutionary Biology ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas. (2017) Consequences of demographic processes for effective population size in house sparrows. European Society for Evolutionary Biology ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Vitenskapelig foredrag
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Genomics of inbreeding depression in house sparrows. University of Quebec Wild Animal Model Biennial Meeting , Montreal 2017-07-03 - 2017-07-07
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Pärn, Henrik; Myhre, Ane Marlene. (2017) Genetic assignment of dispersers and patterns of dispersal in a house sparrow metapopulation. Centre for Biodiversity Dynamics, NTNU 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Vitenskapelig foredrag
    Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas. (2017) Consequences of demographic processes for genetic drift in house sparrows. Centre for Biodiversity Dynamics, NTNU 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in lifetime reproductive success of house sparrows. European Society for Evolutionary Biology ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Vitenskapelig foredrag
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in Lifetime reproductive success of house sparrows. Cambridge University 50th Population Genetics Group Meeting , Cambridge 2017-01-05 - 2017-01-07
  • Poster
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine . The 2017 Congress of the European Society for Evolutionary Biology 2017-08-20 - 2017-08-25
  • Poster
    Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan. (2017) Consequences of opposing body size selection regimes on telomere dynamics in wild house sparrows. European Society for Evolutionary Biology (ESEB) 16th Congress of the European Society for Evolutionary Biology (ESEB) , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan. (2017) Telomere dynamics of wild house sparrows under artificial body size selection. Centre for Biodiversity Dynamics, NTNU 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Vitenskapelig foredrag
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Hole-Nesting Bird Conference 2017 2017-10-30 - 2017-11-02
  • Vitenskapelig foredrag
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas. (2017) Inbreeding depression in island populations of house sparrows. Seminar at the Department of Ecology and Genetics , University of Oulu 2017-06-19 -
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in lifetime reproductive success of house sparrows. Detecting the Genomic Signal of Polygenic Adaptation and the Role of Epistasis in Evolution , Zurich 2017-08-31 - 2017-09-01

2016

  • Vitenskapelig foredrag
    Kemppainen, Petri; Hagen, Ingerid Julie; Kvalnes, Thomas; Rønning, Bernt; Pärn, Henrik; Ringsby, Thor Harald. (2016) Genomic signatures of artificial selection in natural house sparrow populations. The American Society of Naturalists 21st-Century Naturalists: Unifying Biological Principles across Disciplines , Pacific Grove, California 2016-01-10 - 2016-01-14
  • Poster
    Silva, Catarina; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Pärn, Henrik; Lien, Sigbjørn. (2016) Temperature-mediated changes in life history traits of a resident bird. Helsinki University 2nd Finnish Molecular Ecology and Evolution Symposium , Lammi 2016-10-12 - 2016-10-14
  • Populærvitenskapelig foredrag
    Ringsby, Thor Harald. (2016) Årets foredrag: "Gråspurven på Helgeland; Liten og unnselig, men full av hemmeligheter". Kvarøy Handelsfestival Kvarøy Handelsfestival 2016 , Indre Kvarøy 2016-08-15 - 2016-08-15

2015

  • Faglig foredrag
    Jensen, Henrik; Rønning, Bernt; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Kvalnes, Thomas. (2015) Can we learn anything about evolution and genetics from studies of house sparrows?. Deptartment of Biology, NTNU Forsker til lunsj , Trondheim 2015-01-09 - 2015-01-09
  • Vitenskapelig foredrag
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Engen, Steinar; Sæther, Bernt-Erik. (2015) Is there an optimal body size? Lessons from an artificial selection experiment. Centre for Biodiversity Dynamics (CBD) Annual Conference of the Centre for Biodiversity Dynamics (CBD) , Trondheim 2015-01-21 - 2015-01-21
  • Poster
    Jensen, Henrik; Hagen, Ingerid Julie; Kemppainen, Petri; Billing, Anna Maria; Pärn, Henrik; Rønning, Bernt. (2015) Mapping of quantitative trait loci (QTL) for fitness-related morphology in the house sparrow. European Society for Evolutionary Biology Congress of the European Society for Evolutionary Biology , Lausanne 2015-08-10 - 2015-08-14

2014

  • Vitenskapelig foredrag
    Jensen, Henrik; Pärn, Henrik; Hagen, Ingerid Julie; Husby, Arild; Baalsrud, Helle Tessand; Elgvin, Tore Oldeide. (2014) Consequences of dispersal in house sparrows, and a glimpse of on-going work on house sparrow genomics. University of Zürich Gjesteforelesning ved Institute of Evolutionary Biology and Environmental Studies, University of Zürich , Zürich 2014-10-31 - 2014-10-31

2013

  • Poster
    Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). University of Lisbon XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24
  • Poster
    Pärn, Henrik; Skjelseth, Sigrun; Herfindal, Ivar; Sæther, Bernt-Erik; Stokke, Bård Gunnar; Ringsby, Thor Harald. (2013) Sex-specific fitness consequences of translocation in house sparrows. University of Lisbon XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24
  • Poster
    Jensen, Henrik; Baalsrud, Helle Tessand; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Anna Marie; Billing, Anna Maria. (2013) Spatio-temporal dynamics of genetic variation and effective population size in fragmented house sparrow populations. University of Lisbon XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24

2012

  • Vitenskapelig foredrag
    Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Sæther, Bernt-Erik. (2012) Gråspurvprosjektet; en langtidsstudie innen bevaringsbiologi på Helgelandskysten. Det Kongelige Norske Videnskabers Selskab Det Kongelige Norske Videnskabers Selskab's Akademi , Katedralskolens festsal i Trondheim 2012-10-15 - 2012-10-15
  • Populærvitenskapelig foredrag
    Jensen, Henrik; Pärn, Henrik; Billing, Anna Maria; Skjelseth, Sigrun; Hagen, Ingerid Julie; Ringsby, Thor Harald. (2012) Kan gråspurven hjelpe oss med å bevare trua arter?. Institutt for biologi, NTNU Biologiseminar for lærere ved VGS , Trondheim 2012-11-07 - 2012-11-07
  • Vitenskapelig foredrag
    Jensen, Henrik; Hagen, Ingerid Julie; Kvalnes, Thomas; Billing, Anna Maria; Steinsland, Ingelin; Engen, Steinar. (2012) "Experimental evolution" and high-density SNP-genotyping in house sparrows. Molecular Ecology and Evolution Lab, Lund University Seminar at Molecular Ecology and Evolution Lab, Lund University , Lund 2012-03-01 - 2012-03-01

2011

  • Intervju
    Ringsby, Thor Harald; Vaaler, Jan. (2011) Naturprogram, radio. Radio 5 Radio 5 [Radio] 2011-11-18
  • Vitenskapelig foredrag
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2011) The parasite Syngamus trachea in a metapopulation of house sparrows (Passer domesticus). Christophe Pelabon Phd conference , NTNU 2011-11-10 - 2011-11-10
  • Vitenskapelig foredrag
    Jensen, Henrik; Steinsland, Ingelin; Holand, Anna Marie; Hagen, Ingerid Julie; Kvalnes, Thomas; Ringsby, Thor Harald. (2011) Artificial selection on body size in the wild: why we develop 10k SNP chips for house sparrows. Wild Animal Model Bi-Annual Meeting 4, Korsika , Korsika 2011-09-18 - 2011-09-23
  • Poster
    Kristiansen, Atle Torvik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Effects of population size and dispersal on genetic variation in a house sparrow metapopulation. European Society for Evolutionary Biology European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, Matthew; Slate, Jon. (2011) Inbreeding depression but not inbreeding avoidance in a house sparrow population. European Society for Evolutionary Biology European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Borg, Åsa Alexandra; Jensen, Henrik; Westerdahl, Helena; Holand, Håkon; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Adaptive genetic variation, individual fitness and pathogen infection in house sparrows explored using next generation sequencing. European Society for Evolutionary Biology European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Genetic consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Populærvitenskapelig foredrag
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Gråspurvprosjektet. Træna kommune Kommunestyremøte i Træna kommune , Husøy 2011-06-29 - 2011-06-29
  • Poster
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2011) The parasite Syngamus trachea in a metapopulation of house sparrows. The IVth Conference of The Scandinavian-Baltic Society for Parasitology , Oslo 2011-06-19 - 2011-06-22
  • Vitenskapelig foredrag
    Jensen, Henrik; Parn, Henrik; Billing, Anna Maria; Torvik Kristiansen, Atle; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Causes and consequences of dispersal in a house sparrow metapopulation. Department of Biosciences, University of Helsinki Minisymposium in Evolutionary genetics , Helsinki 2011-01-27 - 2011-01-27

2010

  • Vitenskapelig foredrag
    Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The effect of climate change on dispersal in a house sparrow metapopulation. Centre for Conservation Biology, NTNU Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Jensen, Henrik; Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa; Myre Bremseth, Erlend. (2010) Genetic variation and inbreeding in an insular house sparrow metapopulation. Centre for Conservation Biology, NTNU Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The parasite Syngamus trachea in a metapopulation of house sparrows. Centre for Conservation Biology, NTNU Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. NTNU Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2010) Are water voles in worse body condition more often predated by eagle owl?. NTNU Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Vitenskapelig foredrag
    Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The effect of climate change on dispersal in a house sparrow Passer domesticus metapopulation. The Ecological Society of America The Ecological Society of America 95th Annual Meeting , Pittsburgh 2010-08-01 - 2010-08-06
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. The Ecological Society of America Ecological Social of America 95th Annual Meeting , Pittsburgh 2010-08-01 - 2010-08-06
  • Vitenskapelig foredrag
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). EGI Student Ornithology Conference , Oxford 2010-01-06 - 2010-01-08

2009

  • Vitenskapelig foredrag
    Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Arukwe, Augustine; Bech, Claus; Bingham, Christopher George; Bæk, K.. (2009) Nivåer og effekter av bromerte flammehemmere i hønsefugl og spurvefugl. Norges Forskningsråd Forskningsrådets konferanse Miljø 2015 , Lillestrøm 2009-11-18 - 2009-11-19
  • Poster
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology European Society for Evolutionary Biology 12th Congress , Torino 2009-08-24 - 2009-08-29

2008

  • Vitenskapelig foredrag
    Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Dioxin 2008, 28th International Symposium on Halogenated Persistent Prganic Pollutants , Birmingham 2008-08-17 - 2008-08-22
  • Populærvitenskapelig foredrag
    Ringsby, Thor Harald. (2008) The theoretical foundation for analysing dynamics of populations and communities: recent advances and future challenges. Institutt for Biologi trial lecture , Trondheim 2008-06-28 -

2007

  • Vitenskapelig foredrag
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Evolutionary dynamics of a sexual ornament in the house sparrow: the role of indirect selection within and between sexes. Dr. J. Brommer, Helsinki og Dr. L. Gustavsson, Uppsala Wild Animal Model Bi-Annual Meeting , Gotland 2007-08-27 - 2007-08-30
  • Poster
    Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. European Society for Evolutionary Biology XIth Congress of the European Society for Evolutionary Biology , Uppsala 2007-08-20 - 2007-08-25
  • Poster
    Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2007) Phenotype dependent dispersal among experimentally introduced house sparrows. The European Society for Evolutionary Biology XIth Congress of the European Society for Evolutionary Biology , Uppsala 2007-08-20 - 2007-08-25

2006

  • Vitenskapelig foredrag
    Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of house sparrows after an introduction experiment. EGI conferense , Groningen 2006-01-04 - 2006-01-07
  • Vitenskapelig foredrag
    Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Correlates of multiple paternity in a house sparrow (Passer domesticus),meta-population. International Society of Behavioural Ecology ISBE , Tour 2006-07-23 - 2006-07-28
  • Poster
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Gråspurvprosjektet - et forskningsprosjekt innen bevaringsbiologi på Helgelandskysten. Norsk Ornitologisk Forening avd. Nordland 2006-06-16 - 2006-06-18
  • Poster
    Ringsby, Thor Harald; Skjelseth, Sigrun; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Dispersal patterns within a metapopulation of house sparrows (Passer domesticus) after an introduction experient. 24th International Ornithological Congress 2006-08-13 - 2006-08-19
  • Populærvitenskapelig foredrag
    Ringsby, Thor Harald. (2006) Gråspurvprosjektet på Helgeland. Rana Ornitologiske forening/ Rana Zoologiske Forening 2006-04-25 -

2005

  • Vitenskapelig foredrag
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on evolution of a sexually selected trait in house sparrows. European Society for Evolutionary Biology 10th Congress European Society for Evolutionary Biology , Krakow 2005-08-15 - 2005-08-20
  • Vitenskapelig foredrag
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on the evolution of a sexual ornament (and other traits) in house sparrows. Department of Animal and Plant Sciences Guest lecture , University of Sheffield 2005-09-07 - 2005-09-07

2003

  • Intervju
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) "Morten Spurv" med spurven. [Avis] 2003-07-11
  • Intervju
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) Spurv under lupen. [Avis] 2003-08-13

2002

  • Intervju
    Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2002) Forsker på spurv. [Avis] 2002-02-28
  • Programdeltagelse
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Engen, Steinar. (2002) NRK, Schrødingers katt NRK, Schrødingers katt [TV] 2002-09-12
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatio-temporal variation in demography within a House Sparrow Passer domesticus metapopulation in a correlated environment: a mechanism. 23rd International Ornithological Congress , beijing, Kina 2002-08-17 -
  • Poster
    Berge, Torborg; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2002) Feeding Frequency in house sparrow Passer domesticus - influencing factors and reproductive success. 23rd International Ornithological Congress , Beijing, Kina 2002-08-17 -
  • Poster
    Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Ellegren, Hans. (2002) Sexual variation in heritability, maternal effects and genetic correlations of morphological traits in house sparrows (Passer domesticus). 23rd International Ornithological Congress , Beijing, Kina 2002-08-17 -

1998

  • Vitenskapelig foredrag
    Ringsby, Thor Harald. (1998) Factors affecting juvenile survival in House Sparrow. VII International Congress of Ecology , Firenze Italia
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