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Holocene shifts in the assembly of plant and animal communities implicate human impacts [Nature]

par Frédéric Magné - publié le , mis à jour le

Understanding how ecological communities are organized and how they change through time is critical to predicting the effects of climate change1. Recent work documenting the co-occurrence structure of modern communities found that most significant species pairs co-occur less frequently than would be expected by chance2, 3. However, little is known about how co-occurrence structure changes through time. Here we evaluate changes in plant and animal community organization over geological time by quantifying the co-occurrence structure of 359,896 unique taxon pairs in 80 assemblages spanning the past 300 million years.(...)

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