Generalized functional responses for species distributions

Ecology
Jason MatthiopoulosJohn Fieberg

Abstract

Researchers employing resource selection functions (RSFs) and other related methods aim to detect correlates of space-use and mitigate against detrimental environmental change. However, an empirical model fit to data from one place or time is unlikely to capture species responses under different conditions because organisms respond nonlinearly to changes in habitat availability. This phenomenon, known as a functional response in resource selection, has been debated extensively in the RSF literature but continues to be ignored by practitioners for lack of a practical treatment. We therefore extend the RSF approach to enable it to estimate generalized functional responses (GFRs) from spatial data. GFRs employ data from several sampling instances characterized by diverse profiles of habitat availability. By modeling the regression coefficients of the underlying RSF as functions of availability, GFRs can account for environmental change and thus predict population distributions in new environments. We formulate the approach as a mixed-effects model so that it is estimable by readily available statistical software. We illustrate its application using (1) simulation and (2) wolf home-range telemetry. Our results indicate that GFRs ca...Continue Reading

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Citations

Dec 19, 2014·Movement Ecology·Henrik ThurfjellMark S Boyce
Jul 25, 2014·The Journal of Animal Ecology·Hawthorne L BeyerJason Matthiopoulos
Jan 16, 2016·The Journal of Animal Ecology·Luca Börger
Mar 16, 2013·The Journal of Animal Ecology·David Warton, Geert Aarts
Apr 5, 2013·The Journal of Animal Ecology·Geert AartsJason Matthiopoulos
Aug 19, 2016·Proceedings. Biological Sciences·Ryan R WilsonMichelle St Martin
Jun 10, 2017·Biological Reviews of the Cambridge Philosophical Society·David J PerovićNicolas Desneux
Jun 27, 2015·Journal of Animal Science·C L RoeverM Wisdom
Jun 28, 2017·Ecological Applications : a Publication of the Ecological Society of America·Ewan D WakefieldMark Bolton
Jan 18, 2019·Ecological Applications : a Publication of the Ecological Society of America·Joseph D HolbrookRobin Steenweg
Apr 18, 2019·Proceedings. Biological Sciences·Jason MatthiopoulosRoss MacLeod
Dec 13, 2019·Royal Society Open Science·Shawn T O'NeilJoseph K Bump
Mar 24, 2017·Ecology and Evolution·Edward J RaynorAnthony Joern
Dec 7, 2018·Oecologia·Michael J EvansTracy A G Rittenhouse
Oct 19, 2019·Ecology and Evolution·Tyler B MuhlyMarco Musiani
Sep 23, 2020·The Journal of Animal Ecology·Tal AvgarJohn M Fryxell
Feb 15, 2021·The Journal of Animal Ecology·John FiebergTal Avgar

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