2025

• Vriend, Stefan J.G.; Engen, Steinar; Gustafsson, Lars; Sæther, Bernt-Erik; Grøtan, Vidar. (2025) Quantitative analyses of stochastic influences on the response to phenotypic selection in a small passerine, the collared flycatcher. Evolution
  Vitenskapelig artikkel

2024

• Engen, Steinar; Sæther, Bernt-Erik. (2024) Evolutionary and Ecological Processes Determining the Properties of the G Matrix. The American Naturalist
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Solbu, Erik Blystad. (2024) Assessing the sensitivity and resistance of communities in a changing environment. Journal of Animal Ecology
  Vitenskapelig artikkel

2023

• Lande, Russell Scott; Grøtan, Vidar; Engen, Steinar; Visser, M.E.; Sæther, Bernt-Erik. (2023) Estimating Density Dependence, Environmental Variance, and Long-Term Selection on a Stage-Structured Life History. The American Naturalist
  Vitenskapelig artikkel

2022

• Bellier, Edwige; Engen, Steinar; Jensen, Thomas Correll. (2022) Seasonal diversity dynamics of a boreal zooplankton community under climate impact. Oecologia
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Jarillo, Javier; Peeters, Bart; Hansen, Brage Bremset; Cao-Garcia, Francisco; Sæther, Bernt-Erik. (2022) Population responses to harvesting in fluctuating environments. Climate Research (CR)
  Vitenskapelig artikkel
• Kvalnes, Thomas; Sæther, Bernt-Erik; Engen, Steinar; Roulin, Alexandre. (2022) Density-dependent selection and the maintenance of colour polymorphism in barn owls. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Peeters, Bart; Grøtan, Vidar; Gamelon, Marlène; Veiberg, Vebjørn; Lee, Aline Magdalena; Fryxell, John M.. (2022) Harvesting can stabilise population fluctuations and buffer the impacts of extreme climatic events. Ecology Letters
  Vitenskapelig artikkel

2021

• Engen, Steinar; Sæther, Bernt-Erik. (2021) Structure of the G-matrix in relation to phenotypic contributions to fitness. Theoretical Population Biology
  Vitenskapelig artikkel
• Bellier, Edwige; Sæther, Bernt-Erik; Engen, Steinar. (2021) Sustainable strategies for harvesting predators and prey in a fluctuating environment. Ecological Modelling
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2021) Reproductive value and analyses of population dynamics of age-structured populations.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Engen, Steinar; Tian, Huaiyu; Yang, Ruifu; Bjørnstad, Ottar Nordal; Whittington, Jason; Stenseth, Nils Christian. (2021) The ecological dynamics of the coronavirus epidemics during transmission from outside sources when R0 is successfully managed below one. Royal Society Open Science
  Vitenskapelig artikkel
• Marquez, Jonatan; Sæther, Bernt-Erik; Aanes, Sondre; Engen, Steinar; Salthaug, Are; Lee, Aline Magdalena. (2021) Age-dependent patterns of spatial autocorrelation in fish populations. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Grøtan, Vidar; Sæther, Bernt-Erik; Coste, Christophe. (2021) An evolutionary and ecological community model for distribution of phenotypes and abundances among competing species. The American Naturalist
  Vitenskapelig artikkel

2020

• Jarillo, Javier; Sæther, Bernt-Erik; Engen, Steinar; Cao-garcia, Francisco Javier. (2020) Spatial scales of population synchrony in predator-prey systems. The American Naturalist
  Vitenskapelig artikkel
• Engen, Steinar; Wright, Jonathan; Araya-Ajoy, Yimen; Sæther, Bernt-Erik. (2020) Phenotypic evolution in stochastic environments: The contribution of frequency- and density-dependent selection. Evolution
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Myhre, Ane Marlene; Markussen, Stine Svalheim; Engen, Steinar; Solberg, Erling Johan; Haanes, Hallvard. (2020) Decomposing demographic contributions to the effective population size with moose as a case study. Molecular Ecology
  Vitenskapelig artikkel
• Wright, Jonathan; Solbu, Erik Blystad; Engen, Steinar. (2020) Contrasting patterns of density-dependent selection at different life stages can create more than one fast–slow axis of life-history variation. Ecology and Evolution
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Gustafsson, Lars; Grøtan, Vidar; Vriend, Stefan. (2020) Density-Dependent Adaptive Topography in a Small Passerine Bird, the Collared Flycatcher. The American Naturalist
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Sæther, Bernt-Erik; Engen, Steinar. (2020) Spatial covariation of competing species in a fluctuating environment. Ecology
  Vitenskapelig artikkel
• Moorter, Bram Van; Engen, Steinar; Fryxell, John M.; Panzacchi, Manuela; Nilsen, Erlend Birkeland; Mysterud, Atle. (2020) Consequences of barriers and changing seasonality on population dynamics and harvest of migratory ungulates. Theoretical Ecology
  Vitenskapelig artikkel

2019

• Engen, Steinar; Sæther, Bernt-Erik. (2019) Ecological dynamics and large scale phenotypic differentiation in density-dependent populations. Theoretical Population Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2019) Towards a predictive conservation biology: the devil is in the behaviour. Philosophical Transactions of the Royal Society of London. Biological Sciences
  Vitenskapelig oversiktsartikkel/review
• Gamelon, Marlène; Vriend, Stefan; Engen, Steinar; Adriaensen, Frank; Dhondt, A.A.; Evans, Simon R.. (2019) Accounting for interspecific competition and age structure in demographic analyses of density dependence improves predictions of fluctuations in population size. Ecology Letters
  Vitenskapelig artikkel
• Marquez, Jonatan Fredricson; Lee, Aline Magdalena; Aanes, Sondre; Engen, Steinar; Herfindal, Ivar; Salthaug, Are. (2019) Spatial scaling of population synchrony in marine fish depends on their life history. Ecology Letters
  Vitenskapelig artikkel

2018

• Engen, Steinar; Cao, Francisco J.; Sæther, Bernt-Erik. (2018) The effect of harvesting on the spatial synchrony of population fluctuations. Theoretical Population Biology
  Vitenskapelig artikkel
• jarillo, javier diaz; Sæther, Bernt-Erik; Engen, Steinar; cao, francisco javier. (2018) Spatial scales of population synchrony of two competing species: effects of harvesting and strength of competition. Oikos
  Vitenskapelig artikkel
• Engen, Steinar; Lee, Aline Magdalena; Sæther, Bernt-Erik. (2018) Spatial distribution and optimal harvesting of an age-structured population in a fluctuating environment. Mathematical Biosciences
  Vitenskapelig artikkel
• Solbu, Erik Blystad; Diserud, Ola Håvard; Kålås, John Atle; Engen, Steinar. (2018) Heterogeneity among species and community dynamics – Norwegian bird communities as a case study. Ecological Modelling
  Vitenskapelig artikkel

2017

• Ovaskainen, Otso; Tikhonov, Gleb; Dunson, David; Grøtan, Vidar; Engen, Steinar; Sæther, Bernt-Erik. (2017) How are species interactions structured in species-rich communities? A new method for analysing time-series data. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2017) Evolution of stochastic demography with life history tradeoffs in density-dependent age-structured populations. Proceedings of the National Academy of Sciences of the United States of America (PNAS)
  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
• Engen, Steinar; Sæther, Bernt-Erik. (2017) r- and K-selection in fluctuating populations is determined by the evolutionary trade-off between two fitness measures: Growth rate and lifetime reproductive success. Evolution
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (2017) Extinction risk and lack of evolutionary rescue under resource depletion or area reduction. The American Naturalist
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Sæther, Bernt-Erik; Markussen, Stine Svalheim; Engen, Steinar. (2017) Modelling time to population extinction when individual reproduction is autocorrelated. Ecology Letters
  Vitenskapelig artikkel
• Engen, Steinar. (2017) Spatial synchrony and harvesting in fluctuating populations:Relaxing the small noise assumption. Theoretical Population Biology
  Vitenskapelig artikkel
• Gamelon, Marlène; Grøtan, Vidar; Nilsson, Anna L. K.; Engen, Steinar; Hurrell, James W.; Jerstad, Kurt. (2017) Interactions between demography and environmental effects are important determinants of population dynamics. Science Advances
  Vitenskapelig artikkel
• Vindenes, Yngvild; Engen, Steinar. (2017) Demographic stochasticity and temporal autocorrelation in the dynamics of structured populations. Oikos
  Vitenskapelig artikkel
• Myhre, Ane Marlene; Engen, Steinar; Sæther, Bernt-Erik. (2017) Effective size in density‐dependent two‐sex populations: the effect of mating systems. Journal of Evolutionary Biology
  Vitenskapelig artikkel

2016

• Sæther, Bernt-Erik; Grøtan, Vidar; Engen, Steinar; Coulson, Tim; Grant, Peter R.; Visser, Marcel E.. (2016) Demographic routes to variability and regulation in bird populations. Nature Communications
  Vitenskapelig artikkel
• Bjørkvoll, Eirin Marie; Lee, Aline Magdalena; Grøtan, Vidar; Sæther, Bernt-Erik; Stien, Audun; Engen, Steinar. (2016) Demographic buffering of life histories? Implications of the choice of measurement scale. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Solbu, Erik Blystad; Sæther, Bernt-Erik. (2016) Neutral or non-neutral communities: temporal dynamics provide the answer. Oikos
  Vitenskapelig artikkel
• Gamelon, Marlène; Grøtan, Vidar; Engen, Steinar; Bjørkvoll, Eirin Marie; Visser, Marcel E.; Sæther, Bernt-Erik. (2016) Density dependence in an age-structured population of great tits: identifying the critical age classes. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (2016) Optimal age of maturity in fluctuating environments under r- and K-selection. Oikos
  Vitenskapelig artikkel
• Kvalnes, Thomas; Sæther, Bernt-Erik; Haanes, Hallvard; Røed, Knut; Engen, Steinar; Solberg, Erling Johan. (2016) Harvest-induced phenotypic selection in an island population of moose, Alces alces. Evolution
  Vitenskapelig artikkel
• Myhre, Ane Marlene; Engen, Steinar; Sæther, Bernt-Erik. (2016) Effective size of density-dependent populations in fluctuating environments. Evolution
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (2016) Spatial synchrony in population dynamics: The effects of demographic stochasticity and density regulation with a spatial scale. Mathematical Biosciences
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (2016) Phenotypic evolution by distance in fluctuating environments: The contribution of dispersal, selection and random genetic drift. Theoretical Population Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Visser, Marcel E; Grøtan, Vidar; Engen, Steinar. (2016) Evidence for r-and K-selection in a wild bird population: A reciprocal link between ecology and evolution. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Solbu, Erik Blystad; Engen, Steinar; Diserud, Ola Håvard. (2016) Characteristics of temporal changes in communities where dynamics differ between species. Theoretical Population Biology
  Vitenskapelig artikkel

2015

• Sæther, Bernt-Erik; Engen, Steinar. (2015) The concept of fitness in fluctuating environments. Trends in Ecology & Evolution
  Vitenskapelig oversiktsartikkel/review
• Solbu, Erik Blystad; Engen, Steinar; Diserud, Ola Håvard; Sæther, Bernt-Erik. (2015) Modelling and statistical analysis of demographic and environmental changes in populations and communities. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Lee, Aline Magdalena; Bjørkvoll, Eirin Marie; Hansen, Brage Bremset; Albon, Steve D.; Stien, Audun; Sæther, Bernt-Erik. (2015) An integrated population model for a long-lived ungulate: more efficient data use with Bayesian methods. Oikos
  Vitenskapelig artikkel
• Solbu, Erik Blystad; Engen, Steinar; Diserud, Ola Håvard. (2015) Guidelines when estimating temporal changes in density dependent populations. Ecological Modelling
  Vitenskapelig artikkel

2014

• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2014) Evolutionary consequences of nonselective harvesting in density-dependent populations. The American Naturalist
  Vitenskapelig artikkel
• Bellier, Edwige Louise; Grøtan, Vidar; Engen, Steinar; Schartau, Ann Kristin; Herfindal, Ivar; Finstad, Anders Gravbrøt. (2014) Distance decay of similarity, effects of environmental noise and ecological heterogeneity among species in the spatio-temporal dynamics of a dispersal-limited community. Ecography
  Vitenskapelig artikkel
• Bartzke, Gundula; May, Roelof Frans; Stokke, Sigbjørn; Røskaft, Eivin; Engen, Steinar. (2014) Comparative effects of power lines and roads on moose (Alces alces) habitat selection.
  Faglig kapittel
• Engen, Steinar; Sæther, Bernt-Erik. (2014) Evolution in fluctuating environments: Decomposing selection into additive components of the robertson-price equation. Evolution
  Vitenskapelig artikkel
• Engen, Steinar; Kvalnes, Thomas; Sæther, Bernt-Erik. (2014) Estimating phenotypic selection in age-structured populations by removing transient fluctuations. Evolution
  Vitenskapelig artikkel

2013

• Engen, Steinar; Sæther, Bernt-Erik; Armitage, Kenneth B.; Blumstein, Daniel T.; Clutton-Brock, Tim H.; Dobson, F. Stephen. (2013) Estimating the effect of temporally autocorrelated environments on the demography of density-independent age-structured populations. Methods in Ecology and Evolution
  Vitenskapelig artikkel
• Sandvik, Hanno; Sæther, Bernt-Erik; Holmern, Tomas; Tufto, Jarle; Engen, Steinar; Roy, HE. (2013) Generic ecological impact assessments of alien species in Norway: a semi-quantitative set of criteria. Biodiversity and Conservation
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Coulson, Tim; Grøtan, Vidar; Engen, Steinar; Altwegg, Res; Armitage, Kenneth B.. (2013) How Life History Influences Population Dynamics in Fluctuating Environments. The American Naturalist
  Vitenskapelig artikkel
• Solbu, Erik Blystad; Engen, Steinar; Diserud, Ola Håvard. (2013) Changing environments causing time delays in population dynamics. Mathematical Biosciences
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2013) A Quantitative Genetic Model of r- and K-Selection in a Fluctuating Population. The American Naturalist
  Vitenskapelig artikkel
• Linnerud, Marit; Sæther, Bernt-Erik; Grøtan, Vidar; Engen, Steinar; Noble, DG; Freckleton, RP. (2013) Interspecific differences in stochastic population dynamics explains variation in Taylor's temporal power law. Oikos
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Grøtan, Vidar. (2013) Species diversity and community similarity in fluctuating environments: parametric approaches using species abundance distributions. Journal of Animal Ecology
  Vitenskapelig oversiktsartikkel/review

2012

• Grøtan, Vidar; Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik; DeVries, PJ. (2012) Seasonal cycles of species diversity and similarity in a tropical butterfly community. Journal of Animal Ecology
  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
• Engen, Steinar; Sæther, Bernt-Erik; Kvalnes, Thomas; Jensen, Henrik. (2012) Estimating fluctuating selection in age-structured populations. Journal of Evolutionary Biology
  Vitenskapelig artikkel
• Bjørkvoll, Eirin Marie; Grøtan, Vidar; Aanes, Sondre; Sæther, Bernt-Erik; Engen, Steinar; Aanes, Ronny. (2012) Stochastic Population Dynamics and Life-History Variation in Marine Fish Species. The American Naturalist
  Vitenskapelig artikkel
• Bellier, Edwige; Grøtan, Vidar; Engen, Steinar; Schartau, Ann Kristin; Diserud, Ola Håvard; Finstad, Anders Gravbrøt. (2012) Combining counts and incidence data: an efficient approach for estimating the log-normal species abundance distribution and diversity indices. Oecologia
  Vitenskapelig artikkel
• Vindenes, Yngvild; Sæther, Bernt-Erik; Engen, Steinar. (2012) Effects of demographic structure on key properties of stochastic density-independent population dynamics. Theoretical Population Biology
  Vitenskapelig artikkel

2011

• Lee, Aline Magdalena; Engen, Steinar; Sæther, Bernt-Erik. (2011) The influence of persistent individual differences and age at maturity on effective population size. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2011) EVOLUTION OF A PLASTIC QUANTITATIVE TRAIT IN AN AGE-STRUCTURED POPULATION IN A FLUCTUATING ENVIRONMENT. Evolution
  Vitenskapelig artikkel
• Certain, Gregoire; Skarpaas, Olav; Bjerke, Jarle Werner; Framstad, Erik; Lindholm, Markus; Nilsen, Jan-Erik. (2011) The Nature Index: A General Framework for Synthesizing Knowledge on the State of Biodiversity. PLOS ONE
  Vitenskapelig artikkel
• Bjørkvoll, Eirin Marie; Aanes, Sondre; Grøtan, Vidar; Sæther, Bernt-Erik; Engen, Steinar; Aanes, Ronny. (2011) Beaked redfish and golden redfish: Estimating abundances at age and population dynamical parameters by fitting a stochastic population model to abundance data within a Bayesian framework. ICES Arctic Fisheries Working Group ICES Arctic Fisheries Working Group
  Rapport
• Sæther, Bernt-Erik; Grøtan, Vidar; Engen, Steinar; Noble, DG; Freckleton, RP. (2011) Rarity, life history and scaling of the dynamics in time and space of British birds. Journal of Animal Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Grøtan, Vidar; Sæther, Bernt-Erik. (2011) Estimating similarity of communities: a parametric approach to spatio-temporal analysis of species diversity. Ecography
  Vitenskapelig artikkel
• Pol, Martijn Van de; Vindenes, Yngvild; Sæther, Bernt-Erik; Engen, Steinar; Ens, Bruno J; Oosterbeek, Kees. (2011) Poor environmental tracking can make extinction risk insensitive to the colour of environmental noise. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Sæther, Bernt-Erik; Engen, Steinar. (2011) Demographic Stochasticity, Allee Effects, and Extinction: The Influence of Mating System and Sex Ratio. The American Naturalist
  Vitenskapelig artikkel
• Engen, Steinar; Aagaard, Kaare; Bongard, Terje. (2011) Disentangling the effects of heterogeneity, stochastic dynamics and sampling in a community of aquatic insects. Ecological Modelling
  Vitenskapelig artikkel
• Vindenes, Yngvild; Engen, Steinar; Sæther, Bernt-Erik. (2011) Integral projection models for finite populations in a stochastic environment. Ecology
  Vitenskapelig artikkel

2010

• Vindenes, Yngvild; Lee, Aline Magdalena; Engen, Steinar; Sæther, Bernt-Erik. (2010) FIXATION OF SLIGHTLY BENEFICIAL MUTATIONS: EFFECTS OF LIFE HISTORY. Evolution
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik; Gienapp, P. (2010) Estimating the ratio of effective to actual size of an age-structured population from individual demographic data. Journal of Evolutionary Biology
  Vitenskapelig artikkel
• Pol, Martijn Van de; Vindenes, Yngvild; Sæther, Bernt-Erik; Engen, Steinar; Ens, BJ; Oosterbeek, K. (2010) Effects of climate change and variability on population dynamics in a long-lived shorebird. Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2010) Population Consequences of Climate Change.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2010) Population Analyses.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar; Odden, John; Linnell, John D. C.; Grøtan, Vidar; Andrén, Henrik. (2010) Sustainable harvest strategies for age-structured Eurasian lynx populations: The use of reproductive value. Biological Conservation
  Vitenskapelig artikkel

2009

• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik; Dobson, Stephen. (2009) Reproductive Value and the Stochastic Demography of Age-Structured Populations. The American Naturalist
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2009) Reproductive Value and Fluctuating Selection in an Age-Structured Population. Genetics
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2009) An evolutionary maximum principle for density-dependent population dynamics in a fluctuating environment. Philosophical Transactions of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2009) Fixation probability of beneficial mutations in a fluctuating population. Genetics Research
  Vitenskapelig artikkel
• Grøtan, Vidar; Sæther, Bernt-Erik; Engen, Steinar; H., van Balen Johan; Perdeck, Albert C.; Visser, Marcel E.. (2009) Spatial and temporal variation in the relative contribution of density dependence, climate variation and migration to fluctuations in the size of great tit populations. Journal of Animal Ecology
  Vitenskapelig artikkel
• Steinnes, Eiliv; Gaare, E; Engen, Steinar. (2009) Influence of soil acidification in southern Norway on the Cs-137 exposure of moose?. Science of the Total Environment
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Solberg, EJ. (2009) Effective size of harvested ungulate populations. Animal Conservation
  Vitenskapelig artikkel
• Grøtan, Vidar; Sæther, Bernt-Erik; Lillegård, Magnar; Solberg, EJ; Engen, Steinar. (2009) Geographical variation in the influence of density dependence and climate on the recruitment of Norwegian moose. Oecologia
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Grøtan, Vidar; Engen, Steinar; Noble, DG; Freckleton, RP. (2009) Critical parameters for predicting population fluctuations of some British passerines. Journal of Animal Ecology
  Vitenskapelig artikkel

2008

• Beissinger, SR; Wunderle, JW; Meyers, JM; Sæther, Bernt-Erik; Engen, Steinar. (2008) Anatomy of a bottleneck: diagnosing factors limiting population growth in the Puerto Rican parrot. Ecological Monographs
  Vitenskapelig oversiktsartikkel/review
• Engen, Steinar; Sæther, Bernt-Erik; Sverdrup-Thygeson, A; Grøtan, Vidar; Ødegaard, F. (2008) Assessment of species diversity from species abundance distributions at different localities. Oikos
  Vitenskapelig artikkel
• Lee, Aline Magdalena; Engen, Steinar; Sæther, Bernt-Erik. (2008) Understanding mating systems: A mathematical model of the pair formation process. Theoretical Population Biology
  Vitenskapelig artikkel
• Engen, Steinar; Lande, R.; Sæther, Bernt-Erik. (2008) A general model for analyzing Taylor´s spatial scaling laws. Ecology
  Vitenskapelig artikkel
• Vindenes, Yngvild; Engen, Steinar; Sæther, Bernt-Erik. (2008) Individual heterogeneity in vital parameters and demograpiic stochasticity. The American Naturalist
  Vitenskapelig artikkel
• Jonsson, B; Jonsson, N; Hindar, K; Northcote, TG; Engen, Steinar. (2008) Asymmetric competition drives lake use of coexisting salmonids. Oecologia
  Vitenskapelig artikkel
• Lillegård, Magnar; Engen, Steinar; Sæther, Bernt-Erik; Grøtan, Vidar; Drever, Mark C.. (2008) Estimation of population parameters from aerial counts of north American mallards: a cautionary tale. Ecological Applications
  Vitenskapelig artikkel
• Grøtan, Vidar; Sæther, Bernt-Erik; Filli, Flurin; Engen, Steinar. (2008) Effects of climate on population fluctuations of ibex. Global Change Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Grøtan, Vidar; Bregnballe, Thomas; Both, Christiaan; Tryjanowski, Piotr. (2008) Forms of density regulation and (quasi-) stationary distributions of population sizes in birds. Oikos
  Vitenskapelig artikkel
• Engen, Steinar; Grøtan, Vidar; Halley, Duncan; Nygård, Torgeir. (2008) An efficient multivariate approach for estimating preference when individual observations are dependent. Journal of Animal Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Lillegård, Magnar; Grøtan, Vidar; Drever, Mark C.; Engen, Steinar; Nudds, Thomas D.. (2008) Geographical gradients in the population dynamics of North American prairie ducks. Journal of Animal Ecology
  Vitenskapelig artikkel

2007

• Sæther, Bernt-Erik; Engen, Steinar; Solberg, EJ; Heim, M. (2007) Estimating the growth of a newly established moose population using reproductive value. Ecography
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik; Festa-Bianchet, M. (2007) Using reproductive value to estimate key parameters in density-independent age-structured populations. Journal of Theoretical Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Grøtan, Vidar; Fiedler, W; Matthysen, E; Visser, ME. (2007) The extended Moran effect and large-scale synchronous fluctuations in the size of great tit and blue tit populations. Journal of Animal Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Lillegård, Magnar; Grøtan, Vidar; Filli, F; Engen, Steinar. (2007) Predicting fluctuations of reintroduced ibex populations: the importance of density dependence, environmental stochasticity and uncertain population estimates. Journal of Animal Ecology
  Vitenskapelig artikkel
• Engen, Steinar. (2007) Stochastic growth and extinction in a spatial geometric Brownian population model with migration and correlated noise. Mathematical Biosciences
  Vitenskapelig artikkel
• Engen, Steinar. (2007) Heterogeneity in dynamic species abundance model: the selective effect of extinction processes. Mathematical Biosciences
  Vitenskapelig artikkel
• Engen, Steinar. (2007) Heterogeneous communities with lognormal species abundance distribution: species-area curves and sustainability. Journal of Theoretical Biology
  Vitenskapelig artikkel
• 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
• Aanes, Sondre; Engen, Steinar; Sæther, Bernt-Erik; Aanes, Ronny. (2007) Estimation of the parameters of fish stock dynamics from catch-at-age data and indices of abundance: can natural and fishing mortality be separated?. Canadian Journal of Fisheries and Aquatic Sciences
  Vitenskapelig artikkel

2006

• 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
• Lande, R; Engen, Steinar; Sæther, Bernt-Erik; Coulson, T. (2006) Estimating density dependence from time series of population age structure. The American Naturalist
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Grøtan, Vidar; Tryjanowski, P.; Barbraud, C; Engen, Steinar; Fulin, M. (2006) Climate and spatio-temporal variation in the population dynamics of a long-distance migrant, the white stork. Journal of Animal Ecology
  Vitenskapelig artikkel

2005

• Sæther, Bernt-Erik; Sutherland, W.J.; Engen, Steinar. (2005) Climate influences on avian populations dynamics. Advances in Ecological Research
  Vitenskapelig artikkel
• Engen, Steinar; Lande, R; Sæther, Bernt-Erik; Bregnballe, T. (2005) Estimating the pattern of synchrony in fluctuating populations. Journal of Animal Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Persson, J; Brøseth, H; Landa, A.; Willebrand, T.. (2005) Management strategies for the wolverine in Scandinavia. Journal of Wildlife Management
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Lande, R; Engen, Steinar; Weimerskich, H; Lillegård, M.; Altwegg, R. (2005) Generation time and temporal scaling of bird population dynamics. Nature
  Vitenskapelig artikkel
• Grøtan, Vidar; Sæther, Bernt-Erik; Engen, Steinar; Solberg, E.J.; Linnell, J.D.C.; Andersen, Reidar. (2005) Climate causes large-scale spatial synchrony in population fluctuations of a temperate herbivore. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Lande, R; Sæther, Bernt-Erik. (2005) Effective size of a fluctuating age-structured population. Genetics
  Vitenskapelig artikkel
• Asbjørnsen, E.J.; Sæther, Bernt-Erik; Linnell, J.D.C.; Engen, Steinar; Andersen, Reidar; Bretten, T. (2005) Predicting the growth of a small introduced muskox population using population prediction intervals. Journal of Animal Ecology
  Vitenskapelig artikkel
• Lillegård, Magnar; Engen, Steinar; Sæther, Bernt-Erik; Toresen, Reidar. (2005) Harvesting strategies for Norwegian spring-spawning herring. Oikos
  Vitenskapelig artikkel
• Lillegård, Magnar; Engen, Steinar; Sæther, Bernt-Erik. (2005) Bootstrap methods for estimating spatial synchrony of fluctuating populations: an addendum. Oikos
  Vitenskapelig artikkel
• Lillegård, Magnar; Engen, Steinar; Sæther, Bernt-Erik. (2005) Bootstrap methods for estimating spatial synchrony of fluctuating populations. Oikos
  Vitenskapelig artikkel
• Engen, Steinar; Lande, R; Sæther, Bernt-Erik; Weimerskirch, H. (2005) Extinction in relation to demographic and environmental stochasticity in age-structured models. Mathematical Biosciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Moller, AP; Visser, ME; Matthysen, E; Fiedler, W. (2005) Time to extinction of bird populations. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (2005) Generalizations of the Moran effect explaining spatial synchrony in population fluctuations. The American Naturalist
  Vitenskapelig artikkel

2004

• Sæther, Bernt-Erik; Engen, Steinar. (2004) Stochastic population theory faces reality in the laboratory. Trends in Ecology & Evolution
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Lande, R; Møller, A.P.; Bensch, S; Hasselquist, D. (2004) Time to extinction in relation to mating system and type of density regulation in populations with two sexes. Journal of Animal Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Sutherland, W.J.; Engen, Steinar. (2004) Climate influences on avian population dynamics. Advances in Ecological Research
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Møller, A.P.; Weimerskich, H; Visser, M.E.; Fiedler, W. (2004) Life history variation predicts the effects of demographic stochasticity on avian population dynamics. The American Naturalist
  Vitenskapelig artikkel
• Walla, TR; Engen, Steinar; DeVries, PJ; Lande, R. (2004) Modeling vertical beta-diversity in tropical butterfly communities. Oikos
  Vitenskapelig artikkel

2003

• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2003) Stochastic population dynamics in ecology and conservation. Oxford University Press Oxford University Press
  Fagbok
• Lindqvist, Bo Henry; Taraldsen, Gunnar; Lillegård, Magnar; Engen, Steinar. (2003) A counterexample to a claim about stochastic simulations. Biometrika
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2003) Pattern of variation in avian population growth rates.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2003) The routes to extinction.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2003) Demographic stochasticity and Allee effects in populations with two sexes. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Lande, R; Sæther, Bernt-Erik. (2003) Demographic stochasticity and Allee effects in populations with two sexes. Ecology
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2003) Wildlife Population Growth R.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2003) Wildlife Population Growth Rates.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2003) Macroecology.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar; Persson, J.; Brøseth, Henrik; Landa, Arild; Willebrand, T.. (2003) Levedyktighetsanalyser av skandinavisk jerv. NINA Fagrapport NINA Fagrapport
  Rapport
• Sæther, Bernt-Erik; Engen, Steinar; Møller, Anders Pape; Matthysen, Erik; Adriaensen, Frank; Fiedler, Wolfgang. (2003) Climate variation and regional gradients in population dynamics of two hole-nesting passerines. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel

2002

• Engen, Steinar; Sæther, Bernt-Erik; Lande, Russell. (2002) Migration and spatio-temporal variation in population dynamics in a heterogeneous environment. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (2002) The spalitial scale of population fluctuations and quasi-extinction. The American Naturalist
  Vitenskapelig artikkel
• Aanes, S; Engen, Steinar; Sæther, Bernt-Erik. (2002) Sustainable harvesting strategies of willow grouse (Lagopus lagopus) in a fluctuating environment. Ecological Applications
  Vitenskapelig artikkel
• Engen, Steinar; Lande, Russell; Walla, T.; DeVries, P.J.. (2002) Analysing spatial structure of communities by two-dimensional Poisson lognormal species abundance model. The American Naturalist
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Lande, Russell; Both, Christiaan; Visser, Marcel. (2002) Density-dependence and stochastic variation in the dynamics of newly established small songbird population. Oikos
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2002) Estimating density-dependence in age-structured populations. Philosophical Transactions of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Filli, Florin; Aanes, Ronny; Schrøder, W.; Andersen, Reidar. (2002) Contrasting stochastic population dynamics of two introdused Swiss populations of Ibex. Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2002) Including stochasticity in population viability analysis.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2002) Including uncertainties in population viability analysis using Population Prediction Intervals. University of Chicago Press University of Chicago Press
  Lærebok
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik; Filli, Florin; Matthysen, Erik; Weimerskirch, H.. (2002) Estimating density dependence from population time series using demographic theory and life story data. The American Naturalist
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (2002) Estimating density dependence in time-series of age-structured popultions. Philosophical Transactions of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Filli, Florin; Aanes, Ronny; Schrøder, W.; Andersen, Reidar. (2002) Stochastic population dynamics of an introduced swiss population of the ibex. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik; Lande, Russell. (2002) Migration and spatiotemporal variation in population dynamics in a heterogeneous environment. Ecology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar. (2002) Pattern of variation in avian population growth rates. Philosophical Transactions of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Lande, Russell; Engen, Steinar; Both, Christiaan; Visser, Marcel. (2002) Density dependence and stochastic variation in the dynamics of a newly established small songbird population. Oikos
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Matthysen, Erik. (2002) Demographic charachteristics and population dynamical patterns of solitary birds. Science
  Vitenskapelig artikkel

2001

• Lande, Russell; Sæther, Bernt-Erik; Engen, Steinar. (2001) Sustainable exploitation of fluctuation populations.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Engen, Steinar. (2001) A dynamic and spatial model with migration generating the log-Gaussian field of population densities. Mathematical Biosciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Solberg, Erling Johan. (2001) Optimal harvest of age-structured populations of moose Alces alces in a fluctuating environment. Wildlife Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Møller, Anders Pape; Engen, Steinar. (2001) Stochastic population dynamics and time to extinction of a declining population of barn swallows. Journal of Animal Ecology
  Vitenskapelig artikkel

2000

• Engen, Steinar; Sæther, Bernt-Erik. (2000) Predicting the time to quasi-extinction for populations far below their carrying capacity. Journal of Theoretical Biology
  Vitenskapelig artikkel
• Tufto, Jarle; Sæther, Bernt-Erik; Engen, Steinar; Arcese, Peter; Jerstad, Kurt; Røstad, Ole Wiggo. (2000) Bayesian meta-analysis of demographic parameters in three small, temperate passerines. Oikos
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Lande, Russell; Arcese, Peter; Smith, James N.M.. (2000) Estimating the time to extinction in an island population of song sparrows. Proceedings of the Royal Society of Edinburgh Section B
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Tufto, Jarle; Engen, Steinar; Jerstad, Kurt; Røstad, Ole Wiggo; Skåtan, Jon Erling. (2000) Population dynamical consequences of climate change for a small temperate songbird. Science
  Vitenskapelig artikkel
• Ødegaard, Frode; Diserud, Ola Håvard; Engen, Steinar; Aagaard, Kaare Hilmar. (2000) The Magnitude of Local Host Specificity for Phytophagous Insects and its Implications for Estimates of Global Species Richness. Conservation Biology
  Vitenskapelig artikkel
• Diserud, Ola Håvard; Engen, Steinar. (2000) A General and Dynamic Species Abundance Model, Embracing the Lognormal and the Gamma Models. The American Naturalist
  Vitenskapelig artikkel

1999

• Lillegård, Magnar; Engen, Steinar. (1999) Exact confidence intervals generated by conditional parametric bootstrapping. Journal of Applied Statistics
  Vitenskapelig artikkel
• Tufto, Jarle; Sæther, Bernt-Erik; Engen, Steinar; Swenson, Jon E.; Sandegren, Finn. (1999) Harvesting strategies for conserving minimum viable populations based on World Conservation Union criteria: brown bears in Norway. Proceedings of the Royal Society of London. Biological Sciences
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Tufto, Jarle; Engen, Steinar; Jerstad, Kurt; Røstad, Ole Wiggo; Skåtan, Jon Erling. (1999) Populasjonsdynamikken til fossekall-bestanden i Lygnavassdraget. Direktoratet for naturforvaltning Direktoratet for naturforvaltning
  Rapport
• Sæther, Bernt-Erik; Engen, Steinar; Lande, Russell. (1999) Finite metapopulation models with density-dependent migration and stochastic local dynamics. Proceedings of the Royal Society of Edinburgh Section B
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (1999) Spatial scale of population synchrony : environmental correlation versus dispersal and density regulation. The American Naturalist
  Vitenskapelig artikkel

1998

• Sæther, Bernt-Erik; Engen, Steinar; Bakke, Øyvind; Swenson, Jon E.; Sandegren, Finn. (1998) Assessing the viability of Scandinavian brown bear, Ursus arctos, populations: the effects of uncertain parameter estimates. Oikos
  Vitenskapelig artikkel
• Lande, Russell; Engen, Steinar; Sæther, Bernt-Erik. (1998) Extinction times in finite metapopulation models with stochastic local dynamics. Oikos
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (1998) Stochastic population models : some concepts, definitions and results. Oikos
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Islam, Aminul; McCleery, Robin; Perrins, Christopher. (1998) Environmental stochasticity and extinction risk in a population of a small songbird, the great tit. The American Naturalist
  Vitenskapelig artikkel
• Engen, Steinar; Sæther, Bernt-Erik. (1998) Stochastic population models: Some concepts, definitions and results. Oikos
  Vitenskapelig artikkel
• Tufto, Jarle; Engen, Steinar; Raybould, Alan F.; Hindar, Kjetil. (1998) Analysis of Genetic Structure and Dispersal Patterns in a Population of Sea Beet. Genetics
  Vitenskapelig artikkel
• Engen, Steinar; Bakke, Øyvind; Islam, Aminul. (1998) Demographic and environmental stochasticity - concepts and definitions. Biometrics
  Vitenskapelig artikkel

1997

• Engen, Steinar; Lande, Russell; Sæther, Bernt-Erik. (1997) Harvesting strategies for fluctuating populations based on uncertain population estimates. Journal of Theoretical Biology
  Vitenskapelig artikkel
• Lande, Russell; Sæther, Bernt-Erik; Engen, Steinar. (1997) Threshold harvesting for sustainability of fluctuating resources. Ecology
  Vitenskapelig artikkel
• Engen, Steinar; Lillegård, Magnar. (1997) Stochastic simulations conditioned on sufficient statistics. Biometrika
  Vitenskapelig artikkel
• Tufto, Jarle; Engen, Steinar; Hindar, Kjetil. (1997) Stochastic dispersal processes in plant populations. Theoretical Population Biology
  Vitenskapelig artikkel
• Sæther, Bernt-Erik; Engen, Steinar; Swenson, Jon; Bakke, Øyvind; Sandegren, Finn. (1997) Levedyktighetsanalyser av skandinavisk brunbjørn. Norsk institutt for naturforskning Norsk institutt for naturforskning
  Rapport
• Sæther, Bernt-Erik; Engen, Steinar. (1997) Forvaltning av små bestander : en teoretisk bakgrunn. Norsk institutt for naturforskning Norsk institutt for naturforskning
  Fagbok

1996

• Tufto, Jarle; Engen, Steinar; Hindar, Kjetil. (1996) Inferring patterns of migration from gene frequencies under equilibrium conditions. Genetics
  Vitenskapelig artikkel