Linking movement and dive data to prey distribution models: new insights in foraging behaviour and potential pitfalls of movement analyses.
| Title: | Linking movement and dive data to prey distribution models: new insights in foraging behaviour and potential pitfalls of movement analyses. |
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| Authors: | Florko KRN; Aquatic Ecosystem Research Laboratory, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada. katieflorko@gmail.com.; Shuert CR; Department of Integrative Biology, University of Windsor, Windsor, ON, Canada.; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Cheung WWL; Aquatic Ecosystem Research Laboratory, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada.; Ferguson SH; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Department of Biological Sciences, University of Manitoba, Winnipeg, MB, Canada.; Jonsen ID; School of Natural Sciences, Macquarie University, Sydney, NSW, Australia.; Rosen DAS; Aquatic Ecosystem Research Laboratory, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada.; Sumaila UR; Aquatic Ecosystem Research Laboratory, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada.; Tai TC; Pacific Climate Impacts Consortium, University of Victoria, Victoria, BC, Canada.; Yurkowski DJ; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Department of Biological Sciences, University of Manitoba, Winnipeg, MB, Canada.; Auger-Méthé M; Aquatic Ecosystem Research Laboratory, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada.; Department of Statistics, University of British Columbia, Vancouver, BC, Canada. |
| Source: | Movement ecology [Mov Ecol] 2023 Mar 23; Vol. 11 (1), pp. 17. Date of Electronic Publication: 2023 Mar 23. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: BioMed Central Country of Publication: England NLM ID: 101635009 Publication Model: Electronic Cited Medium: Print ISSN: 2051-3933 (Print) Linking ISSN: 20513933 NLM ISO Abbreviation: Mov Ecol Subsets: PubMed not MEDLINE |
| Imprint Name(s): | Original Publication: London : BioMed Central, 2013- |
| Abstract: | Background: Animal movement data are regularly used to infer foraging behaviour and relationships to environmental characteristics, often to help identify critical habitat. To characterize foraging, movement models make a set of assumptions rooted in theory, for example, time spent foraging in an area increases with higher prey density.; Methods: We assessed the validity of these assumptions by associating horizontal movement and diving of satellite-telemetered ringed seals (Pusa hispida)-an opportunistic predator-in Hudson Bay, Canada, to modelled prey data and environmental proxies.; Results: Modelled prey biomass data performed better than their environmental proxies (e.g., sea surface temperature) for explaining seal movement; however movement was not related to foraging effort. Counter to theory, seals appeared to forage more in areas with relatively lower prey diversity and biomass, potentially due to reduced foraging efficiency in those areas.; Conclusions: Our study highlights the need to validate movement analyses with prey data to effectively estimate the relationship between prey availability and foraging behaviour.; (© 2023. The Author(s).) |
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| Contributed Indexing: | Keywords: Animal tracking; Biologging; Habitat selection; Move-persistence mixed-effects model; Movement ecology; Simpson’s Diversity Index; Trophic interactions |
| Entry Date(s): | Date Created: 20230324 Latest Revision: 20230328 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC10037791 |
| DOI: | 10.1186/s40462-023-00377-2 |
| PMID: | 36959671 |
| Database: | MEDLINE |
Journal Article