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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [396391] |
Intraguild processes drive space‐use patterns in a large‐bodied marine predator community
van Zinnicq Bergmann, M.P.M.; Griffin, L.P.; Bodey, T.W.; Guttridge, T.L.; Aarts, G.M; Heithaus, M.R.; Smukall, M.J.; Papastamatiou, Y.P. (2024). Intraguild processes drive space‐use patterns in a large‐bodied marine predator community. J. Anim. Ecol. 93(7): 876-890. https://dx.doi.org/10.1111/1365-2656.14108
In: Journal of Animal Ecology. Blackwell Science/British Ecological Society: Oxford. ISSN 0021-8790; e-ISSN 1365-2656, meer
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| Author keywords |
biotelemetry; competition; habitat selection; ideal free distribution; intraguild; predation; random forest; resource selection functions |
| Auteurs | | Top |
- van Zinnicq Bergmann, M.P.M.
- Griffin, L.P.
- Bodey, T.W.
- Guttridge, T.L.
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- Aarts, G.M, meer
- Heithaus, M.R.
- Smukall, M.J.
- Papastamatiou, Y.P.
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| Abstract |
- Interspecific interactions, including predator–prey, intraguild predation (IGP) and competition, may drive distribution and habitat use of predator communities. However, elucidating the relative importance of these interactions in shaping predator distributions is challenging, especially in marine communities comprising highly mobile species.
- We used individual-based models (IBMs) to predict the habitat distributions of apex predators, intraguild (IG) prey and prey. We then used passive acoustic telemetry to test these predictions in a subtropical marine predator community consisting of eight elasmobranch (i.e. shark and ray) species in Bimini, The Bahamas.
- IBMs predicted that prey and IG prey will preferentially select habitats based on safety over resources (food), with stronger selection for safe habitat by smaller prey. Elasmobranch space-use patterns matched these predictions. Species with predator–prey and asymmetrical IGP (between apex and small mesopredators) interactions showed the clearest spatial separation, followed by asymmetrical IGP among apex and large mesopredators. Competitors showed greater spatial overlap although with finer-scale differences in microhabitat use.
- Our study suggests space-use patterns in elasmobranchs are at least partially driven by interspecific interactions, with stronger spatial separation occurring where interactions include predator–prey relationships or IGP.
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