Thor Harald Ringsby
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!
Kompetanseord
Publikasjoner
2023
-
Nafstad, Ådne Messel;
Rønning, Bernt;
Aase, Kenneth;
Ringsby, Thor Harald;
Hagen, Ingerid Julie;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Stawski, Clare;
Räsänen, Katja;
Sæther, Bernt-Erik;
Muff, Stefanie;
Jensen, Henrik.
(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;
Monaghan, Pat;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2023)
Longitudinal telomere dynamics within natural lifespans of a wild bird.
Scientific Reports.
volum 13.
Vitenskapelig artikkel
2022
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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.
volum 38.
Vitenskapelig artikkel
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Mehlhoop, Anne Catriona;
Van Moorter, Bram;
Rolandsen, Christer Moe;
Hagen, Dagmar;
Granhus, Aksel;
Eriksen, Rune;
Ringsby, Thor Harald;
Solberg, Erling Johan.
(2022)
Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?.
Ecology and Evolution.
volum 12 (4).
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Ranke, Peter Sjolte;
Araya-Ajoy, Yimen;
Wright, Jonathan;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2022)
Causes and consequences of variation in early-life telomere length in a bird metapopulation.
Ecology and Evolution.
volum 12 (8).
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Rønning, Bernt;
Jensen, Henrik;
Boner, Winnie;
Sæther, Bernt-Erik;
Monaghan, Pat;
Ringsby, Thor Harald.
(2022)
Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine.
Molecular Ecology.
volum 31.
Vitenskapelig artikkel
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Pepke, Michael Le;
Niskanen, Alina Katariina;
Kvalnes, Thomas;
Boner, Winnie;
Sæther, Bernt-Erik;
Ringsby, Thor Harald;
Jensen, Henrik.
(2022)
Inbreeding is associated with shorter early-life telomere length in a wild passerine.
Conservation Genetics.
volum 23.
Vitenskapelig artikkel
2021
-
Araya-Ajoy, Yimen;
Niskanen, Alina Katariina;
Froy, Hannah;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Rønning, Bernt;
Pepke, Michael Le;
Jensen, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Wright, Jonathan.
(2021)
Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation.
Ecology Letters.
volum 24.
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Lundregan, Sarah;
Boner, Winnie;
Monaghan, Pat;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2021)
Genetic architecture and heritability of early-life telomere length in a wild passerine.
Molecular Ecology.
volum 31.
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Araya-Ajoy, Yimen;
Ringsby, Thor Harald;
Pärn, Henrik;
Rønning, Bernt;
Jensen, Henrik;
Wright, Jonathan;
Sæther, Bernt-Erik.
(2021)
Spatial structure and dispersal dynamics in a house sparrow metapopulation.
Journal of Animal Ecology.
volum 90.
Vitenskapelig artikkel
-
Saatoglu, Fikriye Dilan;
Niskanen, Alina Katariina;
Kuismin, Markku;
Ranke, Peter Sjolte;
Hagen, Ingerid Julie;
Araya-Ajoy, Yimen;
Kvalnes, Thomas;
Pärn, Henrik;
Rønning, Bernt;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Husby, Arild;
Sillanpää, Mikko J.;
Jensen, Henrik.
(2021)
Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information.
Molecular Ecology.
volum 30.
Vitenskapelig artikkel
2020
-
Dehnhard, Nina;
Skei, Jørgen;
Christensen-Dalsgaard, Signe;
May, Roelof Frans;
Halley, Duncan John;
Ringsby, Thor Harald;
Lorentsen, Svein Håkon.
(2020)
Boat disturbance effects on moulting common eiders Somateria mollissima.
Marine Biology.
volum 167 (1).
Vitenskapelig artikkel
-
Lundregan, Sarah L.;
Niskanen, Alina K.;
Muff, Stefanie;
Holand, Håkon;
Kvalnes, Thomas;
Ringsby, Thor-Harald;
Husby, Arild;
Jensen, Henrik.
(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.
volum 29.
Vitenskapelig artikkel
-
Niskanen, Alina Katariina;
Billing, Anna Maria;
Holand, Håkon;
Hagen, Ingerid Julie;
Araya-Ajoy, Yimen;
Husby, Arild;
Rønning, Bernt;
Myhre, Ane Marlene;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Pärn, Henrik;
Ringsby, Thor Harald;
Lien, Sigbjørn;
Sæther, Bernt-Erik;
Muff, Stefanie;
Jensen, Henrik.
(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.
volum 117 (25).
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Skjelseth, Sigrun;
Hagen, Ingerid Julie;
Billing, Anna Maria;
Borg Pedersen, Åsa Alexandra;
Pärn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2020)
Multi‑generational genetic consequences of reinforcement in a bird metapopulation.
Conservation Genetics.
volum 21.
Vitenskapelig artikkel
2019
-
Araya-Ajoy, Yimen;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Rønning, Bernt;
Holand, Håkon;
Myhre, Ane Marlene;
Pärn, Henrik;
Jensen, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Wright, Jonathan.
(2019)
Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation.
Evolution.
volum 73 (3).
Vitenskapelig artikkel
-
Graae, Bente Jessen;
Nielsen, Martin Reinhardt;
Kløckner, Christian;
Ringsby, Thor Harald;
Moe, Espen;
Said, Mohammed Yahya;
Odeck, James;
May, Roelof Frans;
Lyamuya, Richard Daniel;
Smith, Stuart;
Ntalwila, Janemary;
Hartsteen, Hans Peter;
Olsen, Per Harald;
Røskaft, Eivin;
Skjærvø, Gine Roll.
(2019)
Savanna Life (brettspill/serious game).
NTNU - AfricanBioServices. 2019.
Annet produkt
-
Holand, Håkon;
Jensen, Henrik;
Kvalnes, Thomas;
Tufto, Jarle;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2019)
Parasite prevalence increases with temperature in an avian metapopulation in northern Norway.
Parasitology.
volum 146 (8).
Vitenskapelig artikkel
2018
-
Kvalnes, Thomas;
Røberg, Anja Ås;
Jensen, Henrik;
Holand, Håkon;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2018)
Offspring fitness and the optimal propagule size in a fluctuating environment.
Journal of Avian Biology.
volum 49 (7).
Vitenskapelig artikkel
-
Lundregan, Sarah;
Hagen, Ingerid Julie;
Gohli, Jostein;
Niskanen, Alina Katariina;
Kemppainen, Petri;
Ringsby, Thor Harald;
Kvalnes, Thomas;
Pärn, Henrik;
Rønning, Bernt;
Holand, Håkon;
Ranke, Peter Sjolte;
Båtnes, Anna Solvang;
Selvik, Linn-Karina M.;
Lien, Sigbjørn;
Sæther, Bernt-Erik;
Husby, Arild;
Jensen, Henrik.
(2018)
Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis.
Molecular Ecology.
volum 27 (17).
Vitenskapelig artikkel
2017
-
Kemppainen, Petri;
Rønning, Bernt;
Kvalnes, Thomas;
Hagen, Ingerid Julie;
Ringsby, Thor Harald;
Billing, Anna Maria;
Pärn, Henrik;
Lien, Sigbjørn;
Husby, Arild;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments.
Molecular Ecology Resources.
volum 17 (4).
Vitenskapelig artikkel
-
Kvalnes, Thomas;
Ringsby, Thor Harald;
Jensen, Henrik;
Hagen, Ingerid Julie;
Rønning, Bernt;
Pärn, Henrik;
Holand, Håkon;
Engen, Steinar;
Sæther, Bernt-Erik.
(2017)
Reversal of response to artificial selection on body size in a wild passerine bird.
Evolution.
volum 71 (8).
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Skjelseth, Sigrun;
Pärn, Henrik;
Herfindal, Ivar;
Borg Pedersen, Åsa Alexandra;
Stokke, Bård Gunnar;
Kvalnes, Thomas;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Demographic influences of translocated individuals on a resident population of house sparrows.
Oikos.
volum 126 (10).
Vitenskapelig artikkel
-
Silva, Catarina;
McFarlane, S. Eryn;
Hagen, Ingerid Julie;
Rönnegård, Lars;
Billing, Anna Maria;
Kvalnes, Thomas;
Kemppainen, Petri;
Rønning, Bernt;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Qvarnström, Anna;
Ellegren, Hans;
Jensen, Henrik;
Husby, Arild.
(2017)
Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species.
Heredity.
volum 119 (3).
Vitenskapelig artikkel
-
Stubberud, Marlene Wæge;
Myhre, Ane Marlene;
Holand, Håkon;
Kvalnes, Thomas;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Sensitivity analysis of effective population size to demographic parameters in house sparrow populations.
Molecular Ecology.
volum 26 (9).
Vitenskapelig artikkel
2016
-
Holand, Håkon;
Kvalnes, Thomas;
Gamelon, Marlène;
Tufto, Jarle;
Jensen, Henrik;
Pärn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik.
(2016)
Spatial variation in senescence rates in a bird metapopulation.
Oecologia.
volum 181 (3).
Vitenskapelig artikkel
-
Nossen, Ida;
Ciesielski, Tomasz Maciej;
Dimmen, Malene Vågen;
Jensen, Henrik;
Ringsby, Thor Harald;
Polder, Anuschka;
Rønning, Bernt;
Jenssen, Bjørn Munro;
Styrishave, Bjarne.
(2016)
Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling.
Science of the Total Environment.
volum 547.
Vitenskapelig artikkel
-
Rønning, Bernt;
Broggi, Juli;
Bech, Claus;
Moe, Børge;
Ringsby, Thor Harald;
Pärn, Henrik;
Hagen, Ingerid Julie;
Sæther, Bernt-Erik;
Jensen, Henrik;
Grindstaff, Jennifer.
(2016)
Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?.
Functional Ecology.
volum 30 (7).
Vitenskapelig artikkel
2015
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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.
volum 10 (5).
Vitenskapelig artikkel
-
Ringsby, Thor Harald;
Jensen, Henrik;
Pärn, Henrik;
Kvalnes, Thomas;
Boner, Winnie;
Gillespie, Robert;
Holand, Håkon;
Hagen, Ingerid Julie;
Rønning, Bernt;
Sæther, Bernt-Erik;
Monaghan, Pat.
(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.
volum 282 (1820).
Vitenskapelig artikkel
2014
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Baalsrud, Helle Tessand;
Sæther, Bernt-Erik;
Hagen, Ingerid Julie;
Myhre, Ane Marlene;
Ringsby, Thor Harald;
Pärn, Henrik;
Jensen, Henrik.
(2014)
Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation.
Molecular Ecology.
volum 23 (11).
Vitenskapelig artikkel
-
Holand, Håkon;
Jensen, Henrik;
Tufto, Jarle;
Soliman, Mustafa M.;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2014)
Lower survival probability of house sparrows severely infected by the gapeworm parasite.
Journal of Avian Biology.
volum 45 (4).
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.
volum 2014.
Populærvitenskapelig artikkel
2013
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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.
volum 140 (10).
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.
volum 171 (2).
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.
volum 3 (4).
Vitenskapelig artikkel
2012
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Billing, Anna Maria;
Lee, Aline Magdalena;
Skjelseth, Sigrun;
Borg, Åsa Alexandra;
Hale, M. C.;
Slate, J;
Parn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2012)
Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population.
Molecular Ecology.
volum 21 (6).
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.
volum 279 (1726).
Vitenskapelig artikkel
-
Tufto, Jarle;
Lande, Russell;
Ringsby, Thor Harald;
Engen, Steinar;
Sæther, Bernt-Erik;
Walla, T. R.;
DeVries, P.J..
(2012)
Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies.
Journal of Animal Ecology.
volum 81 (4).
Vitenskapelig artikkel
2011
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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.
volum 76 (6).
Vitenskapelig artikkel
2009
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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.
volum 78 (6).
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.
volum 150.
Vitenskapelig oversiktsartikkel/review
2008
-
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.
volum 70.
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.
volum 62.
Vitenskapelig oversiktsartikkel/review
-
Jones, OR;
Gaillard, JM;
Tuljapurkar, S;
Alho, JS;
Armitage, KB;
Becker, PH;
Bize, P;
Brommer, J;
Charmantier, A;
Charpentier, M;
Clutton-Brock, T;
Dobson, FS;
Festa-Bianchet, M;
Gustafsson, L;
Jensen, Henrik;
Jones, CG;
Lillandt, BG;
McCleery, R;
Merila, J;
Neuhaus, P;
Nicoll, MAC;
Norris, K;
Oli, MK;
Pemberton, J;
Pietiainen, H;
Ringsby, Thor Harald;
Roulin, A;
Sæther, Bernt-Erik;
Setchell, JM;
Sheldon, BC;
Thompson, PM;
Weimerskirch, H;
Wickings, EJ;
Coulson, T.
(2008)
Senescence rates are determined by ranking on the fast-slow life-history continuum.
Ecology Letters.
volum 11.
Vitenskapelig artikkel
2007
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Engen, Steinar;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Lande, Russell;
Jensen, Henrik;
Lillegård, Magnar;
Ellegren, Hans.
(2007)
Effective size of fluctuating populations with two sexes and overlapping generations.
Evolution.
volum 61 (8).
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.
volum 16.
Vitenskapelig oversiktsartikkel/review
-
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.
volum 274.
Vitenskapelig artikkel
2006
-
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.
volum 147.
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.
volum 75.
Vitenskapelig artikkel
-
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.
volum 147.
Sammendrag/abstract
-
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.
volum 114.
Vitenskapelig artikkel
-
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.
volum 20.
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.
volum 27.
Vitenskapelig artikkel
-
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.
volum 147.
Sammendrag/abstract
2005
-
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.
volum 165 (1).
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.
volum 73.
Vitenskapelig artikkel
2003
-
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.
volum 23.
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.
volum 16.
Vitenskapelig artikkel
2002
-
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.
volum 83.
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.
volum 8.
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.
volum 141.
Vitenskapelig artikkel
1999
-
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
-
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
-
Sæther, Bernt-Erik;
Ringsby, Thor Harald;
Bakke, Øyvind;
Solberg, Erling Johan.
(1999)
Spatial and temporal variation in demography of a house sparrow metapopulation.
Ecology.
volum 68.
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.
volum 68.
Vitenskapelig artikkel
1998
-
Ringsby, Thor Harald.
(1998)
Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows.
Perspecrives in Ecology, a glance from the VII International congress of Ecology (Florence 19-25 July 1998) ed.: A. Farina.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ringsby, Thor Harald.
(1998)
Variation in Space and Time: The Biology of a House Sparrow Metapopulation.
1998. ISBN 82-7861-090-8.
Doktorgradsavhandling
-
Ringsby, Thor Harald.
(1998)
Variation in space and time: the biology of a House sparrow metapopulation.
1998.
Doktorgradsavhandling
-
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Solberg, Erling Johan.
(1998)
Factors affecting juvenile survival in House Sparrow Passer domesticus.
Journal of Avian Biology.
volum 29.
Vitenskapelig artikkel
-
Tufto, Jarle;
Solberg, E.J.;
Ringsby, Thor Harald.
(1998)
Statistical models of transitive and intransitive dominance structures.
Animal Behaviour.
volum 55.
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.
volum 103.
Vitenskapelig artikkel
-
Stewart, I.R.K.;
Ringsby, Thor Harald;
Solberg, E.J..
(1997)
Absence of haematozoa in passerines from a Norwegian archipelago.
Ornis Fennica.
volum 74 (4).
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.
volum 77.
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Nafstad, Ådne Messel;
Rønning, Bernt;
Aase, Kenneth;
Ringsby, Thor Harald;
Hagen, Ingerid Julie;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Stawski, Clare;
Räsänen, Katja;
Sæther, Bernt-Erik;
Muff, Stefanie;
Jensen, Henrik.
(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;
Monaghan, Pat;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2023)
Longitudinal telomere dynamics within natural lifespans of a wild bird.
Scientific Reports.
volum 13.
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.
volum 38.
Vitenskapelig artikkel
-
Mehlhoop, Anne Catriona;
Van Moorter, Bram;
Rolandsen, Christer Moe;
Hagen, Dagmar;
Granhus, Aksel;
Eriksen, Rune;
Ringsby, Thor Harald;
Solberg, Erling Johan.
(2022)
Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?.
Ecology and Evolution.
volum 12 (4).
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Ranke, Peter Sjolte;
Araya-Ajoy, Yimen;
Wright, Jonathan;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2022)
Causes and consequences of variation in early-life telomere length in a bird metapopulation.
Ecology and Evolution.
volum 12 (8).
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Rønning, Bernt;
Jensen, Henrik;
Boner, Winnie;
Sæther, Bernt-Erik;
Monaghan, Pat;
Ringsby, Thor Harald.
(2022)
Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine.
Molecular Ecology.
volum 31.
Vitenskapelig artikkel
-
Pepke, Michael Le;
Niskanen, Alina Katariina;
Kvalnes, Thomas;
Boner, Winnie;
Sæther, Bernt-Erik;
Ringsby, Thor Harald;
Jensen, Henrik.
(2022)
Inbreeding is associated with shorter early-life telomere length in a wild passerine.
Conservation Genetics.
volum 23.
Vitenskapelig artikkel
-
Araya-Ajoy, Yimen;
Niskanen, Alina Katariina;
Froy, Hannah;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Rønning, Bernt;
Pepke, Michael Le;
Jensen, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Wright, Jonathan.
(2021)
Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation.
Ecology Letters.
volum 24.
Vitenskapelig artikkel
-
Pepke, Michael Le;
Kvalnes, Thomas;
Lundregan, Sarah;
Boner, Winnie;
Monaghan, Pat;
Sæther, Bernt-Erik;
Jensen, Henrik;
Ringsby, Thor Harald.
(2021)
Genetic architecture and heritability of early-life telomere length in a wild passerine.
Molecular Ecology.
volum 31.
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Araya-Ajoy, Yimen;
Ringsby, Thor Harald;
Pärn, Henrik;
Rønning, Bernt;
Jensen, Henrik;
Wright, Jonathan;
Sæther, Bernt-Erik.
(2021)
Spatial structure and dispersal dynamics in a house sparrow metapopulation.
Journal of Animal Ecology.
volum 90.
Vitenskapelig artikkel
-
Saatoglu, Fikriye Dilan;
Niskanen, Alina Katariina;
Kuismin, Markku;
Ranke, Peter Sjolte;
Hagen, Ingerid Julie;
Araya-Ajoy, Yimen;
Kvalnes, Thomas;
Pärn, Henrik;
Rønning, Bernt;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Husby, Arild;
Sillanpää, Mikko J.;
Jensen, Henrik.
(2021)
Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information.
Molecular Ecology.
volum 30.
Vitenskapelig artikkel
-
Dehnhard, Nina;
Skei, Jørgen;
Christensen-Dalsgaard, Signe;
May, Roelof Frans;
Halley, Duncan John;
Ringsby, Thor Harald;
Lorentsen, Svein Håkon.
(2020)
Boat disturbance effects on moulting common eiders Somateria mollissima.
Marine Biology.
volum 167 (1).
Vitenskapelig artikkel
-
Lundregan, Sarah L.;
Niskanen, Alina K.;
Muff, Stefanie;
Holand, Håkon;
Kvalnes, Thomas;
Ringsby, Thor-Harald;
Husby, Arild;
Jensen, Henrik.
(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.
volum 29.
Vitenskapelig artikkel
-
Niskanen, Alina Katariina;
Billing, Anna Maria;
Holand, Håkon;
Hagen, Ingerid Julie;
Araya-Ajoy, Yimen;
Husby, Arild;
Rønning, Bernt;
Myhre, Ane Marlene;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Pärn, Henrik;
Ringsby, Thor Harald;
Lien, Sigbjørn;
Sæther, Bernt-Erik;
Muff, Stefanie;
Jensen, Henrik.
(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.
volum 117 (25).
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Skjelseth, Sigrun;
Hagen, Ingerid Julie;
Billing, Anna Maria;
Borg Pedersen, Åsa Alexandra;
Pärn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2020)
Multi‑generational genetic consequences of reinforcement in a bird metapopulation.
Conservation Genetics.
volum 21.
Vitenskapelig artikkel
-
Araya-Ajoy, Yimen;
Ranke, Peter Sjolte;
Kvalnes, Thomas;
Rønning, Bernt;
Holand, Håkon;
Myhre, Ane Marlene;
Pärn, Henrik;
Jensen, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Wright, Jonathan.
(2019)
Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation.
Evolution.
volum 73 (3).
Vitenskapelig artikkel
-
Holand, Håkon;
Jensen, Henrik;
Kvalnes, Thomas;
Tufto, Jarle;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2019)
Parasite prevalence increases with temperature in an avian metapopulation in northern Norway.
Parasitology.
volum 146 (8).
Vitenskapelig artikkel
-
Kvalnes, Thomas;
Røberg, Anja Ås;
Jensen, Henrik;
Holand, Håkon;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2018)
Offspring fitness and the optimal propagule size in a fluctuating environment.
Journal of Avian Biology.
volum 49 (7).
Vitenskapelig artikkel
-
Lundregan, Sarah;
Hagen, Ingerid Julie;
Gohli, Jostein;
Niskanen, Alina Katariina;
Kemppainen, Petri;
Ringsby, Thor Harald;
Kvalnes, Thomas;
Pärn, Henrik;
Rønning, Bernt;
Holand, Håkon;
Ranke, Peter Sjolte;
Båtnes, Anna Solvang;
Selvik, Linn-Karina M.;
Lien, Sigbjørn;
Sæther, Bernt-Erik;
Husby, Arild;
Jensen, Henrik.
(2018)
Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis.
Molecular Ecology.
volum 27 (17).
Vitenskapelig artikkel
-
Kemppainen, Petri;
Rønning, Bernt;
Kvalnes, Thomas;
Hagen, Ingerid Julie;
Ringsby, Thor Harald;
Billing, Anna Maria;
Pärn, Henrik;
Lien, Sigbjørn;
Husby, Arild;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments.
Molecular Ecology Resources.
volum 17 (4).
Vitenskapelig artikkel
-
Kvalnes, Thomas;
Ringsby, Thor Harald;
Jensen, Henrik;
Hagen, Ingerid Julie;
Rønning, Bernt;
Pärn, Henrik;
Holand, Håkon;
Engen, Steinar;
Sæther, Bernt-Erik.
(2017)
Reversal of response to artificial selection on body size in a wild passerine bird.
Evolution.
volum 71 (8).
Vitenskapelig artikkel
-
Ranke, Peter Sjolte;
Skjelseth, Sigrun;
Pärn, Henrik;
Herfindal, Ivar;
Borg Pedersen, Åsa Alexandra;
Stokke, Bård Gunnar;
Kvalnes, Thomas;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Demographic influences of translocated individuals on a resident population of house sparrows.
Oikos.
volum 126 (10).
Vitenskapelig artikkel
-
Silva, Catarina;
McFarlane, S. Eryn;
Hagen, Ingerid Julie;
Rönnegård, Lars;
Billing, Anna Maria;
Kvalnes, Thomas;
Kemppainen, Petri;
Rønning, Bernt;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Qvarnström, Anna;
Ellegren, Hans;
Jensen, Henrik;
Husby, Arild.
(2017)
Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species.
Heredity.
volum 119 (3).
Vitenskapelig artikkel
-
Stubberud, Marlene Wæge;
Myhre, Ane Marlene;
Holand, Håkon;
Kvalnes, Thomas;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2017)
Sensitivity analysis of effective population size to demographic parameters in house sparrow populations.
Molecular Ecology.
volum 26 (9).
Vitenskapelig artikkel
-
Holand, Håkon;
Kvalnes, Thomas;
Gamelon, Marlène;
Tufto, Jarle;
Jensen, Henrik;
Pärn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik.
(2016)
Spatial variation in senescence rates in a bird metapopulation.
Oecologia.
volum 181 (3).
Vitenskapelig artikkel
-
Nossen, Ida;
Ciesielski, Tomasz Maciej;
Dimmen, Malene Vågen;
Jensen, Henrik;
Ringsby, Thor Harald;
Polder, Anuschka;
Rønning, Bernt;
Jenssen, Bjørn Munro;
Styrishave, Bjarne.
(2016)
Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling.
Science of the Total Environment.
volum 547.
Vitenskapelig artikkel
-
Rønning, Bernt;
Broggi, Juli;
Bech, Claus;
Moe, Børge;
Ringsby, Thor Harald;
Pärn, Henrik;
Hagen, Ingerid Julie;
Sæther, Bernt-Erik;
Jensen, Henrik;
Grindstaff, Jennifer.
(2016)
Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?.
Functional Ecology.
volum 30 (7).
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.
volum 10 (5).
Vitenskapelig artikkel
-
Ringsby, Thor Harald;
Jensen, Henrik;
Pärn, Henrik;
Kvalnes, Thomas;
Boner, Winnie;
Gillespie, Robert;
Holand, Håkon;
Hagen, Ingerid Julie;
Rønning, Bernt;
Sæther, Bernt-Erik;
Monaghan, Pat.
(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.
volum 282 (1820).
Vitenskapelig artikkel
-
Baalsrud, Helle Tessand;
Sæther, Bernt-Erik;
Hagen, Ingerid Julie;
Myhre, Ane Marlene;
Ringsby, Thor Harald;
Pärn, Henrik;
Jensen, Henrik.
(2014)
Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation.
Molecular Ecology.
volum 23 (11).
Vitenskapelig artikkel
-
Holand, Håkon;
Jensen, Henrik;
Tufto, Jarle;
Soliman, Mustafa M.;
Pärn, Henrik;
Sæther, Bernt-Erik;
Ringsby, Thor Harald.
(2014)
Lower survival probability of house sparrows severely infected by the gapeworm parasite.
Journal of Avian Biology.
volum 45 (4).
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.
volum 2014.
Populærvitenskapelig 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.
volum 140 (10).
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.
volum 171 (2).
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.
volum 3 (4).
Vitenskapelig artikkel
-
Billing, Anna Maria;
Lee, Aline Magdalena;
Skjelseth, Sigrun;
Borg, Åsa Alexandra;
Hale, M. C.;
Slate, J;
Parn, Henrik;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Jensen, Henrik.
(2012)
Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population.
Molecular Ecology.
volum 21 (6).
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.
volum 279 (1726).
Vitenskapelig artikkel
-
Tufto, Jarle;
Lande, Russell;
Ringsby, Thor Harald;
Engen, Steinar;
Sæther, Bernt-Erik;
Walla, T. R.;
DeVries, P.J..
(2012)
Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies.
Journal of Animal Ecology.
volum 81 (4).
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.
volum 76 (6).
Vitenskapelig artikkel
-
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.
volum 78 (6).
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.
volum 150.
Vitenskapelig oversiktsartikkel/review
-
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.
volum 70.
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.
volum 62.
Vitenskapelig oversiktsartikkel/review
-
Jones, OR;
Gaillard, JM;
Tuljapurkar, S;
Alho, JS;
Armitage, KB;
Becker, PH;
Bize, P;
Brommer, J;
Charmantier, A;
Charpentier, M;
Clutton-Brock, T;
Dobson, FS;
Festa-Bianchet, M;
Gustafsson, L;
Jensen, Henrik;
Jones, CG;
Lillandt, BG;
McCleery, R;
Merila, J;
Neuhaus, P;
Nicoll, MAC;
Norris, K;
Oli, MK;
Pemberton, J;
Pietiainen, H;
Ringsby, Thor Harald;
Roulin, A;
Sæther, Bernt-Erik;
Setchell, JM;
Sheldon, BC;
Thompson, PM;
Weimerskirch, H;
Wickings, EJ;
Coulson, T.
(2008)
Senescence rates are determined by ranking on the fast-slow life-history continuum.
Ecology Letters.
volum 11.
Vitenskapelig artikkel
-
Engen, Steinar;
Ringsby, Thor Harald;
Sæther, Bernt-Erik;
Lande, Russell;
Jensen, Henrik;
Lillegård, Magnar;
Ellegren, Hans.
(2007)
Effective size of fluctuating populations with two sexes and overlapping generations.
Evolution.
volum 61 (8).
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.
volum 16.
Vitenskapelig oversiktsartikkel/review
-
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.
volum 274.
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.
volum 147.
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.
volum 75.
Vitenskapelig artikkel
-
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.
volum 147.
Sammendrag/abstract
-
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.
volum 114.
Vitenskapelig artikkel
-
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.
volum 20.
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.
volum 27.
Vitenskapelig artikkel
-
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.
volum 147.
Sammendrag/abstract
-
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.
volum 165 (1).
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.
volum 73.
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.
volum 23.
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.
volum 16.
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.
volum 83.
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.
volum 8.
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.
volum 141.
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
-
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
-
Sæther, Bernt-Erik;
Ringsby, Thor Harald;
Bakke, Øyvind;
Solberg, Erling Johan.
(1999)
Spatial and temporal variation in demography of a house sparrow metapopulation.
Ecology.
volum 68.
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.
volum 68.
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.
volum 29.
Vitenskapelig artikkel
-
Tufto, Jarle;
Solberg, E.J.;
Ringsby, Thor Harald.
(1998)
Statistical models of transitive and intransitive dominance structures.
Animal Behaviour.
volum 55.
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.
volum 103.
Vitenskapelig artikkel
-
Stewart, I.R.K.;
Ringsby, Thor Harald;
Solberg, E.J..
(1997)
Absence of haematozoa in passerines from a Norwegian archipelago.
Ornis Fennica.
volum 74 (4).
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.
volum 77.
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.
Perspecrives in Ecology, a glance from the VII International congress of Ecology (Florence 19-25 July 1998) ed.: A. Farina.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
-
Ringsby, Thor Harald.
(1998)
Variation in Space and Time: The Biology of a House Sparrow Metapopulation.
1998. ISBN 82-7861-090-8.
Doktorgradsavhandling
-
Ringsby, Thor Harald.
(1998)
Variation in space and time: the biology of a House sparrow metapopulation.
1998.
Doktorgradsavhandling
PRODUKT
-
Graae, Bente Jessen;
Nielsen, Martin Reinhardt;
Kløckner, Christian;
Ringsby, Thor Harald;
Moe, Espen;
Said, Mohammed Yahya;
Odeck, James;
May, Roelof Frans;
Lyamuya, Richard Daniel;
Smith, Stuart;
Ntalwila, Janemary;
Hartsteen, Hans Peter;
Olsen, Per Harald;
Røskaft, Eivin;
Skjærvø, Gine Roll.
(2019)
Savanna Life (brettspill/serious game).
NTNU - AfricanBioServices. 2019.
Annet produkt
Undervisning
Emner
Formidling
2022
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PosterGhimire, Kiran; Burnett, Hamish Andrew; Goedert, Debora; Ranke, Peter Sjolte; Muff, Stefanie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Reid, Jane Margaret; Jensen, Henrik. (2022) Effects of inbreeding on nestling fitness in an insular house sparrow metapopulation in northern Norway. 5th Conference of Nordic Society OIKOS 2022 . Nordic Society Oikos; Aarhus. 2022-06-07 - 2022-06-10.
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Vitenskapelig foredragHtay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Farmers’ Vulnerability and Acceptability of Avian Crop Damage. Pathways Europe 2022 . Colorodo State University and Wageningen University; Wageningen University. 2022-10-19 - 2022-10-21.
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PosterPepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Monaghan, Pat; Ranke, Peter Sjolte; Lundregan, Sarah; Araya-Ajoy, Yimen G.; Wright, Jonathan; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. 5th Conference of Nordic Society OIKOS 2022 . Nordic Society Oikos; Aarhus. 2022-06-07 - 2022-06-10.
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PosterPepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Niskanen, Alina Katariina; Lundregan, Sarah; Ranke, Peter Sjolte; Araya-Ajoy, Yimen G.; Wright, Jonathan; Monaghan, Pat; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2022) The ecological and evolutionary role of early-life telomere length in wild house sparrows. Congress of the European Society for Evolutionary Biology 2022 . European Society for Evolutionary Biology; Praha. 2022-08-14 - 2022-08-19.
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Faglig foredragRingsby, Thor Harald. (2022) Knowledge for a more sustainable use of wild species. Nasjonal lansering av naturpanelets rapport om bærekraftig bruk av ville arter . Miljødirektoratet; Trondheim. 2022-11-29 - 2022-11-29.
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Vitenskapelig foredragSøraker, Jørgen Skavdal; Ranke, Peter Sjolte; Wright, Jonathan; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Araya-Ajoy, Yimen G.. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. IX Hole-Nesting Bird Conference . Oxford University; Oxford. 2022-09-06 - 2022-09-08.
2021
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DokumentarBazilchuk, 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/ [Internett]. 2021-02-26.
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PosterLe Moullec, Mathilde; Acker, Paul; Grøtan, Vidar; Lee, Aline Magdalena; Herfindal, Ivar; O'Hara, Bob; Martin, Ellen Claire; Peeters, Bart; Bjørkås, Ragnhild; Reid, Jane Margaret; Ringsby, Thor Harald; Sæther, Bernt-Erik; Hansen, Brage Bremset. (2021) How can we assess temporal changes in population synchrony?. Annual Meeting of the British Ecological Society . British Ecological Society; Liverpool, UK. 2021-12-12 - 2021-12-15.
2020
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Populærvitenskapelig foredragJensen, Henrik; Ringsby, Thor Harald; Lundregan, Sarah; Røsbak, Randi. (2020) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever . Skolelaboratoriet, NTNU; Trondheim. 2020-01-14 - 2020-01-15.
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Vitenskapelig foredragRingsby, 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. The fourth conference of the Nordic Society Oikos . Nordic Society Oikos; Reykjavik. 2020-03-03 - 2020-03-05.
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Vitenskapelig foredragRingsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon; Pärn, Henrik; Ranke, Peter Sjolte; Pepke, Michael Le. (2020) Causes and consequences of variation in life history strategies among house sparrows. Scientific Seminar at Pat Monaghan and Neil Metcalfes Lab group . Institute of BAH&CM; Glasgow. 2020-11-04 - 2020-11-04.
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Faglig foredragSaatoglu, Fikriye Dilan; Froy, Hannah; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2020) Fitness consequences of dispersal in a house sparrow metapopulation. Oikos 2020 . Nordic Society Oikos; Reykjavik. 2020-03-03 - 2020-03-05.
2019
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Vitenskapelig foredragEriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2019) Optimal clutch size in willow ptarmigan (Lagopus lagopus). 4th Conference of the Norwegian Ecological Society . Norsk økologisk forening; Tromsø. 2019-02-11 - 2019-02-13.
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Faglig foredragJensen, Henrik; Ringsby, Thor Harald; Eggen, Grethe Stavik. (2019) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever . Skolelaboratoriet, NTNU; Trondheim. 2019-01-17 - 2019-01-17.
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Vitenskapelig foredragNiskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Huisman, Jisca; Araya-Ajoy, Yimen; Husby, Arild; Rønning, Bernt; Myhre, Ane Marlene; Ranke, Peter Sjolte; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (2019) Inbreeding depression in a house sparrow metapopulation. Molecular Ecology and Evolution Lab meeting . University of Oulu; Oulu. 2019-01-24 - 2019-01-24.
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Vitenskapelig foredragSaatoglu, Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Froy, Hannah; Holand, Håkon; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Sillanpää, Mikko J.; Jensen, Henrik. (2019) Dispersal - genetic detection and fitness consequences. Kaamos symposium ; Oulu. 2019-12-11 - 2019-12-12.
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PosterSaatoglu, Dilan; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Froy, Hannah; Holand, Håkon; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2019) Fitness consequences of dispersal in a house sparrow metapopulation. 2019 Congress of the European Society for Evolutionary Biology (ESEB) . European Society for Evolutionary Biology (ESEB); Turku. 2019-08-19 - 2019-08-24.
2018
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PosterBohm, Sina; Niskanen, Alina Katariina; Saatoglu, Dilan; Pärn, Henrik; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Hagen, Ingerid Julie; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Huber, Heidrun; Jensen, Henrik. (2018) Interactions between inbreeding and dispersal in a house sparrows metapopulation. Second Joint Congress on Evolutionary Biology . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.
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Populærvitenskapelig foredragJensen, Henrik; Ringsby, Thor Harald. (2018) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever . Skolelaboratoriet, NTNU; Trondheim. 2018-01-15 - 2018-01-15.
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PosterJensen, Henrik; Stubberud, Marlene Wæge; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2018) Consequences of demographic processes for effective population size in house sparrows. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
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PosterLundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Holand, Håkon; Ranke, Peter Sjolte; Båtnes, Anna Solvang; Selvik, Linn-Karina M.; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Investigating the genetic architecture of bill morphology in a free-living house sparrow metapopulation using a 200K SNP array. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
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Vitenskapelig foredragNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2018) Inbreeding depression in a house sparrow metapopulation. Second Joint Congress on Evolutionary Biology . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.
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PosterNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2018) Inbreeding depression in house sparrows. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
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Vitenskapelig foredragRingsby, Thor Harald. (2018) Causes and consequences of variation in life history strategies among house sparrows. Gjesteforelesning, University of Glasgow, UK . Institute of Biodiversity, Animal Health and Comparative Med; Glasgow. 2018-03-15 - 2018-03-15.
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Vitenskapelig foredragSaatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Pärn, Henrik; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Discovering dispersers by genetic stock identification method in a house sparrow metapopulation. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
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PosterSaatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Pärn, Henrik; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Dispersal and its Fitness consequences in a house sparrow metapopulation - identifying "cryptic" dispersers using a genetic assignment method. Second Joint Congress on Evolutionary Biology . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.
2017
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PosterGohli, Jostein; Silva, Catarina; Kvalnes, Thomas; Myhre, Ane Marlene; Rønning, Bernt; Pärn, Henrik; Holand, Håkon; Ranke, Peter Sjolte; Sommerli, Sindre; Hagen, Ingerid Julie; Lien, Sigbjørn; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik; Husby, Arild. (2017) Genetic basis for wing length variation in the house sparrow. ESEB XVI Congress . European Society for Evolutionary Biology; Groningen. 2017-08-20 - 2017-08-25.
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PosterHusby, Arild; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon; Rønning, Bernt; Jensen, Henrik. (2017) Unbiased genetic variance estimation using variation in IBD sharing among full sibs. ESEB XVI Congress . European Society for Evolutionary Biology; Groningen. 2017-08-20 - 2017-08-25.
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Populærvitenskapelig foredragJensen, Henrik; Ringsby, Thor Harald. (2017) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever . Skolelaboratoriet, NTNU; Trondheim. 2017-01-12 - 2017-01-12.
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PosterJensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Consequences of demographic processes for effective population size in house sparrows. ESEB XVI Congress . European Society for Evolutionary Biology; Groningen. 2017-08-20 - 2017-08-25.
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Vitenskapelig foredragJensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Consequences of demographic processes for genetic drift in house sparrows. 8th International Hole-Nesting Birds Conference . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2017-10-30 - 2017-11-02.
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Vitenskapelig foredragKvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik; Holand, Håkon; Engen, Steinar; Sæther, Bernt-Erik. (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.
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PosterKvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik; Holand, Håkon; Engen, Steinar; Sæther, Bernt-Erik. (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.
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PosterKvalnes, Thomas; Rødberg, Anja Aas; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2017) Offspring fitness and the optimal propagule size in a fluctuating environment. Eighth International Hole-Nesting Birds Conference ; 2017-10-30 - 2017-11-02.
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Vitenskapelig foredragNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Genomics of inbreeding depression in house sparrows. Wild Animal Model Biennial Meeting . University of Quebec; Montreal. 2017-07-03 - 2017-07-07.
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Vitenskapelig foredragNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Inbreeding depression in Lifetime reproductive success of house sparrows. 50th Population Genetics Group Meeting . Cambridge University; Cambridge. 2017-01-05 - 2017-01-07.
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PosterNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (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.
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PosterNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Inbreeding depression in lifetime reproductive success of house sparrows. ESEB XVI Congress . European Society for Evolutionary Biology; Groningen. 2017-08-20 - 2017-08-25.
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Vitenskapelig foredragNiskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lien, Sigbjørn; Husby, Arild; Jensen, Henrik. (2017) Inbreeding depression in island populations of house sparrows. Seminar at the Department of Ecology and Genetics ; University of Oulu. 2017-06-19.
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PosterPedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan; Sæther, Bernt-Erik; Monaghan, Pat; Ringsby, Thor Harald. (2017) Consequences of opposing body size selection regimes on telomere dynamics in wild house sparrows. 16th Congress of the European Society for Evolutionary Biology (ESEB) . European Society for Evolutionary Biology (ESEB); Groningen. 2017-08-20 - 2017-08-25.
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PosterPedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan; Sæther, Bernt-Erik; Monaghan, Pat; Ringsby, Thor Harald. (2017) Telomere dynamics of wild house sparrows under artificial body size selection. 8th International Hole-Nesting Birds Conference . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2017-10-30 - 2017-11-02.
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PosterRønning, Bernt; Tennfjord, Øystein Øy; Hagen, Ingerid Julie; Kvalnes, Thomas; Pärn, Henrik; Kemppainen, Petri; Lien, Sigbjørn; Ringsby, Thor Harald; Husby, Arild; Bech, Claus; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Basal metabolic rate in Wild house sparrow populations: genetic basis and effects on fitness. ESEB XVI Congress . European Society for Evolutionary Biology; Groningen. 2017-08-20 - 2017-08-25.
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Vitenskapelig foredragSaatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Pärn, Henrik; Ranke, Peter Sjolte; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2017) Investigating the genetic basis of dispersal in house sparrow metapopulation. Wild Animal Model Biennial Meeting . University of Quebec; Montreal. 2017-07-03 - 2017-07-07.
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PosterSaatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Pärn, Henrik; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2017) Genetic assignment of dispersers and patterns of dispersal in a house sparrow metapopulation. 8th International Hole-Nesting Birds Conference . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2017-10-30 - 2017-11-02.
2016
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Vitenskapelig foredragKemppainen, Petri; Hagen, Ingerid Julie; Kvalnes, Thomas; Rønning, Bernt; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2016) Genomic signatures of artificial selection in natural house sparrow populations. 21st-Century Naturalists: Unifying Biological Principles across Disciplines . The American Society of Naturalists; Pacific Grove, California. 2016-01-10 - 2016-01-14.
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Populærvitenskapelig foredragRingsby, Thor Harald. (2016) Årets foredrag: "Gråspurven på Helgeland; Liten og unnselig, men full av hemmeligheter". Kvarøy Handelsfestival 2016 . Kvarøy Handelsfestival; Indre Kvarøy. 2016-08-15 - 2016-08-15.
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PosterSilva, Catarina; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Pärn, Henrik; Lien, Sigbjørn; Bjerck, Helge; Jensen, Henrik; Husby, Arild. (2016) Temperature-mediated changes in life history traits of a resident bird. 2nd Finnish Molecular Ecology and Evolution Symposium . Helsinki University; Lammi. 2016-10-12 - 2016-10-14.
2015
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PosterJensen, Henrik; Hagen, Ingerid Julie; Kemppainen, Petri; Billing, Anna Maria; Pärn, Henrik; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lien, Sigbjørn; Husby, Arild. (2015) Mapping of quantitative trait loci (QTL) for fitness-related morphology in the house sparrow. Congress of the European Society for Evolutionary Biology . European Society for Evolutionary Biology; Lausanne. 2015-08-10 - 2015-08-14.
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Faglig foredragJensen, Henrik; Rønning, Bernt; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2015) Can we learn anything about evolution and genetics from studies of house sparrows?. Forsker til lunsj . Deptartment of Biology, NTNU; Trondheim. 2015-01-09 - 2015-01-09.
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Vitenskapelig foredragKvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Engen, Steinar; Sæther, Bernt-Erik. (2015) Is there an optimal body size? Lessons from an artificial selection experiment. Annual Conference of the Centre for Biodiversity Dynamics (CBD) . Centre for Biodiversity Dynamics (CBD); Trondheim. 2015-01-21 - 2015-01-21.
2014
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Vitenskapelig foredragJensen, Henrik; Pärn, Henrik; Hagen, Ingerid Julie; Husby, Arild; Baalsrud, Helle Tessand; Elgvin, Tore Oldeide; Myhre, Ane Marlene; Skjelseth, Sigrun; Billing, Anna Maria; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2014) Consequences of dispersal in house sparrows, and a glimpse of on-going work on house sparrow genomics. Gjesteforelesning ved Institute of Evolutionary Biology and Environmental Studies, University of Zürich . University of Zürich; Zürich. 2014-10-31 - 2014-10-31.
2013
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PosterJensen, Henrik; Baalsrud, Helle Tessand; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Anna Marie; Billing, Anna Maria; Tufto, Jarle; Pärn, Henrik; Ringsby, Thor Harald; Slate, Jon; Sæther, Bernt-Erik. (2013) Spatio-temporal dynamics of genetic variation and effective population size in fragmented house sparrow populations. XIV Congress of the European Society for Evolutionary Biology . University of Lisbon; Lisboa. 2013-08-19 - 2013-08-24.
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PosterPärn, Henrik; Skjelseth, Sigrun; Herfindal, Ivar; Sæther, Bernt-Erik; Stokke, Bård Gunnar; Ringsby, Thor Harald; Jensen, Henrik. (2013) Sex-specific fitness consequences of translocation in house sparrows. XIV Congress of the European Society for Evolutionary Biology . University of Lisbon; Lisboa. 2013-08-19 - 2013-08-24.
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PosterRingsby, 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). XIV Congress of the European Society for Evolutionary Biology . University of Lisbon; Lisboa. 2013-08-19 - 2013-08-24.
2012
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Vitenskapelig foredragJensen, Henrik; Hagen, Ingerid Julie; Kvalnes, Thomas; Billing, Anna Maria; Steinsland, Ingelin; Engen, Steinar; Holand, Anna Marie; Ringsby, Thor Harald; Slate, Jon; Sæther, Bernt-Erik. (2012) "Experimental evolution" and high-density SNP-genotyping in house sparrows. Seminar at Molecular Ecology and Evolution Lab, Lund University . Molecular Ecology and Evolution Lab, Lund University; Lund. 2012-03-01 - 2012-03-01.
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Populærvitenskapelig foredragJensen, Henrik; Pärn, Henrik; Billing, Anna Maria; Skjelseth, Sigrun; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2012) Kan gråspurven hjelpe oss med å bevare trua arter?. Biologiseminar for lærere ved VGS . Institutt for biologi, NTNU; Trondheim. 2012-11-07 - 2012-11-07.
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Vitenskapelig foredragRingsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Sæther, Bernt-Erik. (2012) Gråspurvprosjektet; en langtidsstudie innen bevaringsbiologi på Helgelandskysten. Det Kongelige Norske Videnskabers Selskab's Akademi . Det Kongelige Norske Videnskabers Selskab; Katedralskolens festsal i Trondheim. 2012-10-15 - 2012-10-15.
2011
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PosterBilling, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, Matthew; Slate, Jon; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2011) Inbreeding depression but not inbreeding avoidance in a house sparrow population. European Society for Evolutionary Biology 13th Congress . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
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PosterBorg, 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 13th Congress . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
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PosterHoland, 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.
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Vitenskapelig foredragHoland, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2011) The parasite Syngamus trachea in a metapopulation of house sparrows (Passer domesticus). Phd conference . Christophe Pelabon; NTNU. 2011-11-10 - 2011-11-10.
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Vitenskapelig foredragJensen, 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. Minisymposium in Evolutionary genetics . Department of Biosciences, University of Helsinki; Helsinki. 2011-01-27 - 2011-01-27.
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Vitenskapelig foredragJensen, Henrik; Steinsland, Ingelin; Holand, Anna Marie; Hagen, Ingerid Julie; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (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.
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PosterKristiansen, 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 13th Congress . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
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PosterParn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Genetic consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology 13th Congress . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
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Populærvitenskapelig foredragParn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Gråspurvprosjektet. Kommunestyremøte i Træna kommune . Træna kommune; Husøy. 2011-06-29 - 2011-06-29.
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IntervjuRingsby, Thor Harald; Vaaler, Jan. (2011) Naturprogram, radio. Radio 5 [Radio]. 2011-11-18.
2010
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Vitenskapelig foredragHoland, 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.
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PosterHoland, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The parasite Syngamus trachea in a metapopulation of house sparrows. Sustainable Conservation: Bridging the gap between disciplines . Centre for Conservation Biology, NTNU; Trondheim. 2010-03-15 - 2010-03-18.
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PosterJensen, Henrik; Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa; Myre Bremseth, Erlend; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2010) Genetic variation and inbreeding in an insular house sparrow metapopulation. Sustainable Conservation: Bridging the gap between disciplines . Centre for Conservation Biology, NTNU; Trondheim. 2010-03-15 - 2010-03-18.
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PosterMelis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2010) Are water voles in worse body condition more often predated by eagle owl?. Sustainable Conservation: Bridging the gap between disciplines . NTNU; Trondheim. 2010-03-15 - 2010-03-18.
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Vitenskapelig foredragParn, 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 95th Annual Meeting . The Ecological Society of America; Pittsburgh. 2010-08-01 - 2010-08-06.
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Vitenskapelig foredragParn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The effect of climate change on dispersal in a house sparrow metapopulation. Sustainable Conservation: Bridging the gap between disciplines . Centre for Conservation Biology, NTNU; Trondheim. 2010-03-15 - 2010-03-18.
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PosterRingsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. Sustainable Conservation: Bridging the gap between disciplines . NTNU; Trondheim. 2010-03-15 - 2010-03-18.
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PosterRingsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. Ecological Social of America 95th Annual Meeting . The Ecological Society of America; Pittsburgh. 2010-08-01 - 2010-08-06.
2009
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Vitenskapelig foredragJenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Arukwe, Augustine; Bech, Claus; Bingham, Christopher George; Bæk, K.; Krøkje, Åse; Løken, Katharina; Mortensen, Anne Skjetne; Pedersen, Hans Christian; Petersen, Anette; Ringsby, Thor Harald; Skåre, Janneche Utne. (2009) Nivåer og effekter av bromerte flammehemmere i hønsefugl og spurvefugl. Forskningsrådets konferanse Miljø 2015 . Norges Forskningsråd; Lillestrøm. 2009-11-18 - 2009-11-19.
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PosterParn, 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 12th Congress . European Society for Evolutionary Biology; Torino. 2009-08-24 - 2009-08-29.
2008
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Vitenskapelig foredragCiesielski, 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.
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Populærvitenskapelig foredragRingsby, Thor Harald. (2008) The theoretical foundation for analysing dynamics of populations and communities: recent advances and future challenges. trial lecture . Institutt for Biologi; Trondheim. 2008-06-28.
2007
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PosterJensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. XIth Congress of the European Society for Evolutionary Biology . European Society for Evolutionary Biology; Uppsala. 2007-08-20 - 2007-08-25.
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Vitenskapelig foredragJensen, 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. Wild Animal Model Bi-Annual Meeting . Dr. J. Brommer, Helsinki og Dr. L. Gustavsson, Uppsala; Gotland. 2007-08-27 - 2007-08-30.
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PosterSkjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2007) Phenotype dependent dispersal among experimentally introduced house sparrows. XIth Congress of the European Society for Evolutionary Biology . The European Society for Evolutionary Biology; Uppsala. 2007-08-20 - 2007-08-25.
2006
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Vitenskapelig foredragLarsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Correlates of multiple paternity in a house sparrow (Passer domesticus),meta-population. ISBE . International Society of Behavioural Ecology; Tour. 2006-07-23 - 2006-07-28.
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Populærvitenskapelig foredragRingsby, Thor Harald. (2006) Gråspurvprosjektet på Helgeland. Rana Ornitologiske forening/ Rana Zoologiske Forening ; 2006-04-25.
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PosterRingsby, 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.
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PosterRingsby, 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.
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Vitenskapelig foredragSkjelseth, 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.
2005
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Vitenskapelig foredragJensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on evolution of a sexually selected trait in house sparrows. 10th Congress European Society for Evolutionary Biology . European Society for Evolutionary Biology; Krakow. 2005-08-15 - 2005-08-20.
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Vitenskapelig foredragJensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on the evolution of a sexual ornament (and other traits) in house sparrows. Guest lecture . Department of Animal and Plant Sciences; University of Sheffield. 2005-09-07 - 2005-09-07.
2003
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IntervjuRingsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) "Morten Spurv" med spurven. Ytringen null [Avis]. 2003-07-11.
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IntervjuRingsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) Spurv under lupen. Helgeland Arbeiderblad null [Avis]. 2003-08-13.
2002
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PosterBerge, Torborg; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2002) Feeding Frequency in house sparrow Passer domesticus - influencing factors and reproductive success. 23rd International Ornithological Congress . [Mangler data]; Beijing, Kina. 2002-08-17.
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PosterJensen, 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 . [Mangler data]; Beijing, Kina. 2002-08-17.
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ProgramdeltagelseRingsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Engen, Steinar. (2002) Med spurven som modell. NRK, Schrødingers katt [TV]. 2002-09-12.
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PosterRingsby, 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 . [Mangler data]; beijing, Kina. 2002-08-17.
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IntervjuSæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2002) Forsker på spurv. Brønnøysund Avis null [Avis]. 2002-02-28.
1998
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Vitenskapelig foredragRingsby, Thor Harald. (1998) Factors affecting juvenile survival in House Sparrow. VII International Congress of Ecology . [Mangler data]; Firenze Italia.