Explaining species diversity in a fractal world

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This project aims to improve our understanding of landscape-scale patterns of species diversity, particularly invertebrates. A central question in ecology asks how habitat patchiness interacts with dispersal abilities to determine species diversity. Field tests of hypotheses are lacking due to logistic difficulties in quantifying habitat patchiness and dispersal over landscape scales. A new model proposes that fractals (a clever way of measuring environmental complexity) can capture both habitat patchiness and species' responses. Advances in river ecology have solved the logistic problems and will allow tests to compare the three main hypotheses about species diversity. The project aims to improve information about which tools will provide the best guidance, benefitting the discipline of ecology and conservation managers.