Ecological correlates of the spatial co-occurrence of sympatric mammalian carnivores worldwide

Ecology Letters
Courtney L DavisDavid A W Miller

Abstract

The composition of local mammalian carnivore communities has far-reaching effects on terrestrial ecosystems worldwide. To better understand how carnivore communities are structured, we analysed camera trap data for 108 087 trap days across 12 countries spanning five continents. We estimate local probabilities of co-occurrence among 768 species pairs from the order Carnivora and evaluate how shared ecological traits correlate with probabilities of co-occurrence. Within individual study areas, species pairs co-occurred more frequently than expected at random. Co-occurrence probabilities were greatest for species pairs that shared ecological traits including similar body size, temporal activity pattern and diet. However, co-occurrence decreased as compared to other species pairs when the pair included a large-bodied carnivore. Our results suggest that a combination of shared traits and top-down regulation by large carnivores shape local carnivore communities globally.

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Citations

Sep 5, 2018·The Journal of Animal Ecology·Oliver R WearnRobert M Ewers
Nov 24, 2019·The Journal of Animal Ecology·Alexej P K Sirén, Toni Lyn Morelli
Jul 16, 2020·Biological Reviews of the Cambridge Philosophical Society·Anthony SévêqueAntonio Uzal
Jul 13, 2020·The Journal of Animal Ecology·Ellen E BrandellMeggan E Craft
Sep 27, 2018·Nature Communications·David A W MillerBrent H Sigafus
Jun 20, 2020·Ecology and Evolution·Jason V LombardiTyler A Campbell
Oct 20, 2020·Ecology Letters·Brett T McClintockToby A Patterson
Oct 22, 2021·Ecological Applications : a Publication of the Ecological Society of America·Juan I Zanón MartínezAlejandro Travaini
Jan 30, 2022·The Science of the Total Environment·Jason T Fisher, Andrew Ladle

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