Search Results - "Thorson, James T"

Predicting recruitment density dependence and intrinsic growth rate for all fishes worldwide using a data‐integrated life‐history model by Thorson, James T.

“…Fisheries scientists use biological models to determine sustainable fishing rates and forecast future dynamics. These models require both life‐history…”
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Impacts of historical warming on marine fisheries production by Free, Christopher M, Thorson, James T, Pinsky, Malin L, Oken, Kiva L, Wiedenmann, John, Jensen, Olaf P

“…Climate change is altering habitats for marine fishes and invertebrates, but the net effect of these changes on potential food production is unknown. We used…”
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Forecast skill for predicting distribution shifts: A retrospective experiment for marine fishes in the Eastern Bering Sea by Thorson, James T.

“…Forecasting distribution shifts under novel environmental conditions is a major task for ecologists and conservationists. Researchers forecast distribution…”
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Developing spatio-temporal models using multiple data types for evaluating population trends and habitat usage by Grüss, Arnaud, Thorson, James T

“…Abstract Spatio-temporal models have become key tools for evaluating population trends and habitat usage. We developed a spatio-temporal modelling framework…”
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Geostatistical delta-generalized linear mixed models improve precision for estimated abundance indices for West Coast groundfishes by Thorson, James T, Shelton, Andrew O, Ward, Eric J, Skaug, Hans J

“…Abstract Indices of abundance are the bedrock for stock assessments or empirical management procedures used to manage fishery catches for fish populations…”
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The relative influence of temperature and size‐structure on fish distribution shifts: A case‐study on Walleye pollock in the Bering Sea by Thorson, James T, Ianelli, James N, Kotwicki, Stan

“…Research has estimated associations between water temperature and the spatial distribution of marine fishes based upon correlations between temperature and the…”
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Joint dynamic species distribution models: a tool for community ordination and spatio-temporal monitoring by Thorson, James T., Ianelli, James N., Larsen, Elise A., Ries, Leslie, Scheuerell, Mark D., Szuwalski, Cody, Zipkin, Elise F.

“…Aim: Spatial analysis of the distribution and density of species is of continuing interest within theoretical and applied ecology. Species distribution models…”
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Spatial separation of catches in highly mixed fisheries by Dolder, Paul J., Thorson, James T., Minto, Cóilín

“…Mixed fisheries are the dominant type of fishery worldwide. Overexploitation in mixed fisheries occurs when catches continue for available quota species while…”
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Density-dependent changes in effective area occupied for sea-bottom-associated marine fishes by Thorson, James T., Rindorf, Anna, Gao, Jin, Hanselman, Dana H., Winker, Henning

“…The spatial distribution of marine fishes can change for many reasons, including density-dependent distributional shifts. Previous studies show mixed support…”
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Multispecies fisheries management and conservation: tactical applications using models of intermediate complexity by Plagányi, Éva E, Punt, André E, Hillary, Richard, Morello, Elisabetta B, Thébaud, Olivier, Hutton, Trevor, Pillans, Richard D, Thorson, James T, Fulton, Elizabeth A, Smith, Anthony D M, Smith, Franz, Bayliss, Peter, Haywood, Michael, Lyne, Vincent, Rothlisberg, Peter C

“…Stakeholders increasingly expect ecosystem assessments as part of advice on fisheries management. Quantitative models to support fisheries decision‐making may…”
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Guidance for decisions using the Vector Autoregressive Spatio-Temporal (VAST) package in stock, ecosystem, habitat and climate assessments by Thorson, James T.

“…•Stock, ecosystem, habitat, and climate assessments use different methods and vocabulary.•Population density across space, time, and species is a “common…”
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Integrating count and detection—nondetection data to model population dynamics by Zipkin, Elise F., Rossman, Sam, Yackulic, Charles B., Wiens, J. David, Thorson, James T., Davis, Raymond J., Gran, Evan H. Campbell

“…There is increasing need for methods that integrate multiple data types into a single analytical framework as the spatial and temporal scale of ecological…”
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Drivers and rates of stock assessments in the United States by Neubauer, Philipp, Thorson, James T, Melnychuk, Michael C, Methot, Richard, Blackhart, Kristan

“…Fisheries management is most effective when based on scientific estimates of sustainable fishing rates. While some simple approaches allow estimation of…”
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The importance of spatial models for estimating the strength of density dependence by Thorson, James T, Skaug, Hans J, Kristensen, Kasper, Shelton, Andrew O, Ward, Eric J, Harms, John H, Benante, James A

“…Identifying the existence and magnitude of density dependence is one of the oldest concerns in ecology. Ecologists have aimed to estimate density dependence in…”
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Dynamic structural equation models synthesize ecosystem dynamics constrained by ecological mechanisms by Thorson, James T., Andrews, Alexander G., Essington, Timothy E., Large, Scott I.

“…Abstract Ecological analyses typically involve many interacting variables. Ecologists often specify lagged interactions in community dynamics (i.e…”
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A Bayesian approach to identifying and compensating for model misspecification in population models by Thorson, James T, Ono, Kotaro, Munch, Stephan B

“…State-space estimation methods are increasingly used in ecology to estimate productivity and abundance of natural populations while accounting for variability…”
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Modeling structured population dynamics using data from unmarked individuals by Zipkin, Elise F, Thorson, James T, See, Kevin, Lynch, Heather J, Grant, Evan H. Campbell, Kanno, Yoichiro, Chandler, Richard B, Letcher, Benjamin H, Royle, J. Andrew

“…The study of population dynamics requires unbiased, precise estimates of abundance and vital rates that account for the demographic structure inherent in all…”
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Seasonal and interannual variation in spatio-temporal models for index standardization and phenology studies by Thorson, James T, Adams, Charles F, Brooks, Elizabeth N, Eisner, Lisa B, Kimmel, David G, Legault, Christopher M, Rogers, Lauren A, Yasumiishi, Ellen M

“…Abstract Climate change is rapidly affecting the seasonal timing of spatial demographic processes. Consequently, resource managers require information from…”
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Estimating fine‐scale movement rates and habitat preferences using multiple data sources by Thorson, James T., Barbeaux, Steven J., Goethel, Daniel R., Kearney, Kelly A., Laman, Edward A., Nielsen, Julie K., Siskey, Matthew R., Siwicke, Kevin, Thompson, Grant G.

“…Fisheries scientists and managers must track rapid shifts in fish spatial distribution to mitigate stakeholder conflict and optimize survey designs, and these…”
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Identifying direct and indirect associations among traits by merging phylogenetic comparative methods and structural equation models by Thorson, James T., Maureaud, Aurore A., Frelat, Romain, Mérigot, Bastien, Bigman, Jennifer S., Friedman, Sarah T., Palomares, Maria Lourdes D., Pinsky, Malin L., Price, Samantha A., Wainwright, Peter

“…Traits underlie organismal responses to their environment and are essential to predict community responses to environmental conditions under global change…”
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