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DOI: 10.1101/2023.05.21.541657

Biodiversity responses to forest cover loss: taxonomy and metrics matter

C.de Araujo Martins O. Pays F. L. Souza ...+11 F. de Oliveira Roque
摘要
The actions required for the conservation of biodiversity depend on the responses of species to habitat loss, which can be neutral, linear or non-linear. Here, we test how the taxonomic, functional, and phylogenetic diversity of aquatic insects, dragonflies, frogs, and terrestrial mammals, as well as their species composition, respond to forest cover loss. We hypothesized that taxonomic, functional and phylogenetic diversity would respond in a non-linear way (thresholds) to the loss of forest cover. Our findings do not support the current idea that a single threshold value for forest cover loss is applicable in all tropical regions, or that some facets of biodiversity are consistently more sensitive than others in different taxa. Species composition responses to forest cover loss showed general patterns with thresholds between 30-50%.
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