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Top predators and habitat complexity alter an intraguild predation module in pond communities [Journal of Animal Ecology]

Keywords : Ambystoma, amphibian, competition, density-mediated effect, mosquitofish, salamander

par Frédéric Magné - publié le

1.Predator diversity and habitat complexity frequently influence species interactions at lower trophic levels, yet their joint investigation has been performed infrequently despite the demonstrated importance of each individual factor.
2.We investigated how different top predators and varying habitat complexity influence the function of an intraguild predation module consisting of two larval salamanders, intraguild predator Ambystoma annulatum and intraguild prey A. maculatum.
We manipulated predator food webs and habitat complexity in outdoor mesocosms.(...)

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