Using spatiotemporal species distribution models to identify temporally evolving hotspots of species co-occurrence

Ecological Applications : a Publication of the Ecological Society of America
Eric J WardJames T Thorson

Abstract

Identifying spatiotemporal hotspots is important for understanding basic ecological processes, but is particularly important for species at risk. A number of terrestrial and aquatic species are indirectly affected by anthropogenic impacts, simply because they tend to be associated with species that are targeted for removals. Using newly developed statistical models that allow for the inclusion of time-varying spatial effects, we examine how the co-occurrence of a targeted and nontargeted species can be modeled as a function of environmental covariates (temperature, depth) and interannual variability. The nontarget species in our case study (eulachon) is listed under the U.S. Endangered Species Act, and is encountered by fisheries off the U.S. West Coast that target pink shrimp. Results from our spatiotemporal model indicated that eulachon bycatch risk decreases with depth and has a convex relationship with sea surface temperature. Additionally, we found that over the 2007-2012 period, there was support for an increase in eulachon density from both a fishery data set (+40%) and a fishery-independent data set (+55%). Eulachon bycatch has increased in recent years, but the agreement between these two data sets implies that increas...Continue Reading

References

Mar 20, 2002·Ecotoxicology·Charles T EasonEric B Spurr
Mar 29, 2002·Nature·Gian-Reto WaltherFranz Bairlein
Aug 13, 2005·Bioinformatics·Tobias SingThomas Lengauer
Apr 9, 2013·Trends in Ecology & Evolution·Trevor A BranchSteven W Purcell
Nov 23, 2013·Ecological Applications : a Publication of the Ecological Society of America·Jason E Jannot, Daniel S Holland
Jan 10, 2014·Proceedings. Biological Sciences·John H RoeJames R Spotila

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Citations

Sep 5, 2019·Proceedings. Biological Sciences·Mattia MenchettiGerard Talavera
May 24, 2016·Ecological Applications : a Publication of the Ecological Society of America·Kotaro OnoRay Hilborn
Oct 19, 2016·Ecological Applications : a Publication of the Ecological Society of America·Holly F GoyertKathryn A Williams
Sep 19, 2018·Scientific Reports·Paul J DolderCóilín Minto
Apr 11, 2020·Ecology and Evolution·Peter R ThompsonPhillip P A Staniczenko

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