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Experimental species removals impact the architecture of pollination networks [Biology Letters]

Keywords : biodiversity and ecosystem functioning, niche dynamics, diet breadth, rewiring

par Frédéric Magné - publié le

Mutualistic networks are key for the creation and maintenance of biodiversity, yet are threatened by global environmental change. Most simulation models assume that network structure remains static after species losses, despite theoretical and empirical reasons to expect dynamic responses. We assessed the effects of experimental single bumblebee species removals on the structure of entire flower visitation networks. We hypothesized that network structure would change following processes linking interspecific competition with dietary niche breadth. (...)

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