Search Results - "Olsen, Esben M."

Temperature‐associated habitat selection in a cold‐water marine fish by Freitas, Carla, Olsen, Esben M., Knutsen, Halvor, Albretsen, Jon, Moland, Even

“…Habitat selection is a complex process, which involves behavioural decisions guided by the multiple needs and constraints faced by individuals. Climate‐induced…”
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Disentangling conditional effects of multiple regime shifts on Atlantic cod productivity by Perälä, Tommi, Olsen, Esben M, Hutchings, Jeffrey A

“…Regime shifts are increasingly prevalent in the ecological literature. However, definitions vary and detection methods are still developing. Here, we employ a…”
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Hydropower-induced selection of behavioural traits in Atlantic salmon (Salmo salar) by Haraldstad, Tormod, Haugen, Thrond O., Olsen, Esben M., Forseth, Torbjørn, Höglund, Erik

“…Renewable energy projects such as hydropower facilities contribute towards meeting the world`s growing energy demands and urgent need for mitigating climate…”
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Empirical support for sequential imprinting during downstream migration in Atlantic salmon (Salmo salar) smolts by Haraldstad, Tormod, Forseth, Torbjørn, Olsen, Esben M., Haugen, Thrond O., Höglund, Erik

“…The precise homing of Atlantic salmon to their natal river and spawning grounds is the foundation for locally adapted genetically differentiated populations…”
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Bayesian estimation of spatially varying mortality risk using tagged animal data by Poulton, Anna J., Villegas‐Ríos, David, Freitas, Carla, Moland, Even, Olsen, Esben M., Sethi, Suresh A., Ellner, Stephen P.

“…The survival of animals is impacted by landscapes of spatially varying mortality factors including habitat type, predation risk or harvest risk, among others…”
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Eco‐evolutionary dynamics of Atlantic cod spatial behavior maintained after the implementation of a marine reserve by Villegas‐Ríos, David, Freitas, Carla, Moland, Even, Olsen, Esben M.

“…The effects of marine reserves on the life history and demography of the protected populations are well‐established, typically increasing population density…”
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Maturation trends indicative of rapid evolution preceded the collapse of northern cod by Olsen, Esben M, Heino, Mikko, Lilly, George R, Morgan, M. Joanne, Brattey, John, Ernande, Bruno, Dieckmann, Ulf

“…Northern cod, comprising populations of Atlantic cod (Gadus morhua) off southern Labrador and eastern Newfoundland, supported major fisheries for hundreds of…”
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Mating patterns and determinants of individual reproductive success in brown trout (Salmo trutta) revealed by parentage analysis of an entire stream living population by SERBEZOV, DIMITAR, BERNATCHEZ, LOUIS, OLSEN, ESBEN M., VØLLESTAD, LEIF A.

“…Reproductive success and its determinants are difficult to infer for wild populations of species with no parental care where behavioural observations are…”
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Climate and population density drive changes in cod body size throughout a century on the Norwegian coast by Rogers, Lauren A, Stige, Leif C, Olsen, Esben M, Knutsen, Halvor, Chan, Kung-Sik, Stenseth, Nils Chr

“…Understanding how populations respond to changes in climate requires long-term, high-quality datasets, which are rare for marine systems. We estimated the…”
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Seasonal mortality and the effect of body size: a review and an empirical test using individual data on brown trout by Carlson, Stephanie M., Olsen, Esben M., Vøllestad, L. Asbjørn

“…1. For organisms inhabiting strongly seasonal environments, over-winter mortality is thought to be severe and size-dependent, with larger individuals presumed…”
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Seasonal dynamics of Atlantic herring (Clupea harengus L.) populations spawning in the vicinity of marginal habitats by Eggers, Florian, Slotte, Aril, Libungan, Lísa Anne, Johannessen, Arne, Kvamme, Cecilie, Moland, Even, Olsen, Esben M, Nash, Richard D M

“…Gillnet sampling and analyses of otolith shape, vertebral count and growth indicated the presence of three putative Atlantic herring (Clupea harengus L.)…”
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Personalities influence spatial responses to environmental fluctuations in wild fish by Villegas-Ríos, David, Olsen, Esben M., Réale, Denis, Freitas, Carla, Moland, Even

“…1. Although growing evidence supports the idea that animal personality can explain plasticity in response to changes in the social environment, it remains to…”
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Eight decades of sampling reveal a contemporary novel fish assemblage in coastal nursery habitats by Barceló, Caren, Ciannelli, Lorenzo, Olsen, Esben M., Johannessen, Tore, Knutsen, Halvor

“…In order to adequately monitor biodiversity trends through time and their responses to natural or anthropogenic impacts, researchers require long time series…”
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Inferring individual fate from aquatic acoustic telemetry data by Villegas‐Ríos, David, Freitas, Carla, Moland, Even, Thorbjørnsen, Susanna Huneide, Olsen, Esben M., Codling, Edward

“…Acoustic telemetry has become a popular means of obtaining individual behavioural data from a wide array of species in marine and freshwater systems. Fate…”
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Disentangling structural genomic and behavioural barriers in a sea of connectivity by Barth, Julia M. I., Villegas‐Ríos, David, Freitas, Carla, Moland, Even, Star, Bastiaan, André, Carl, Knutsen, Halvor, Bradbury, Ian, Dierking, Jan, Petereit, Christoph, Righton, David, Metcalfe, Julian, Jakobsen, Kjetill S., Olsen, Esben M., Jentoft, Sissel

“…Genetic divergence among populations arises through natural selection or drift and is counteracted by connectivity and gene flow. In sympatric populations,…”
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Atlantic cod individual spatial behaviour and stable isotope associations in a no‐take marine reserve by Monk, Christopher T., Power, Michael, Freitas, Carla, Harrison, Philip M., Heupel, Michelle, Kuparinen, Anna, Moland, Even, Simpfendorfer, Colin, Villegas‐Ríos, David, Olsen, Esben M.

“…Foraging is a behavioural process and, therefore, individual behaviour and diet are theorized to covary. However, few comparisons of individual behaviour type…”
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Warming Accelerates the Onset of the Molecular Stress Response and Increases Mortality of Larval Atlantic Cod by Oomen, Rebekah A, Knutsen, Halvor, Olsen, Esben M, Jentoft, Sissel, Stenseth, Nils Chr, Hutchings, Jeffrey A

“…Temperature profoundly affects ectotherm physiology. Although differential thermal responses influence fitness, thus driving population dynamics and species…”
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Protected areas buffer against harvest selection and rebuild phenotypic complexity by Fernández-Chacaón, Albert, Villegas-Ríos, David, Moland, Even, Baskett, Marissa L., Olsen, Esben M., Carlson, Stephanie M.

“…Harvest mortality typically truncates the harvested species' size structure, thereby reducing phenotypic complexity, which can lead to reduced population…”
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Anthropogenic and natural size-related selection act in concert during brown trout (Salmo trutta) smolt river descent by Haraldstad, Tormod, Höglund, Erik, Kroglund, Frode, Olsen, Esben M., Hawley, Kate L., Haugen, Thrond O.

“…By hindering migration and inducing direct turbine mortality during downstream migration, hydropower is regarded as one of the most serious threats to…”
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Possible adverse impact of contaminants on Atlantic cod population dynamics in coastal ecosystems by Ono, Kotaro, Knutsen, Halvor, Olsen, Esben M, Ruus, Anders, Hjermann, Dag Ø, Chr Stenseth, Nils

“…While many in-laboratory ecotoxicological studies have shown the adverse impact of pollutants to the fitness of an individual, direct evidence from the field…”
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