Wiegand Lab

Helmholtz Centre for Environmental Research

Sachsen (DED) · Germany

ERC-funded
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ERC Advanced Grant · 2023

Towards a spatial coexistence theory for species rich communities

Ecologists have tried for long to explain coexistence of many competing species in communities such as tropical forests, but this key question of ecological theory remains largely unresolved. We argue that this failure originates as a scaling problem. Although plants compete mostly with their closest neighbours, the phenomenological models of most approaches addressing this question do not consider spatial mechanisms of how the dynamics and patterns at the “macroscopic” community scale emerge from the collective behaviour and interactions of individuals at the “microscopic” neighbourhood scale. We therefore propose to change the way the problem is tackled by incorporating this essential…

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