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Conservation of temporary streams: The relevance of spatiotemporal variation in beta diversity by P. Rodríguez‐Lozano; G. Lobera; I. Pardo; L. García; C. Garcia is a Environmental Science article available to read on EtoBox.

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## Abstract Temporary streams are affected by increasing human alterations, and this situation is expected to worsen under global change. Understanding biodiversity trends and the contribution of sites and species to β‐diversity is of high importance in establishing conservation priorities at a regional scale. This paper focuses on aquatic macroinvertebrate biodiversity in temporary streams on the island of Mallorca, using a space–time framework. Differences in α‐diversity, spatial–temporal fluctuations of β‐diversity, local contribution to β‐diversity (LCBD) and species contribution to β‐diversity (SCBD) were examined. Data analysis shows that only the space–time approach to β‐diversity can capture the full variation of macroinvertebrate composition in temporary streams. This confirmed our hypothesis that β‐diversity patterns are better explained by incorporating the temporal dimension to the space–time approach. Regarding β‐diversity components, species replacement components always dominate over richness difference. These results imply that β‐diversity variability is mainly caused by differences in species composition, while the relative difference in richness among sites has a

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Author

P. Rodríguez‐Lozano; G. Lobera; I. Pardo; L. García; C. Garcia

Publisher

Wiley

Published

2023

Field

Environmental Science (Physical Sciences)