Blowes, Shane A., McGill, Brian, Brambilla, Viviana et al. (14 more authors) (2024) Synthesis reveals approximately balanced biotic differentiation and homogenization. Science Advances. eadj9395. ISSN 2375-2548
Abstract
It is commonly thought that the biodiversity crisis includes widespread declines in the spatial variation of species composition, called biotic homogenization. Using a typology relating homogenization and differentiation to local and regional diversity changes, we synthesize patterns across 461 metacommunities surveyed for 10 to 91 years, and 64 species checklists (13 to 500+ years). Across all datasets, we found that no change was the most common outcome, but with many instances of homogenization and differentiation. A weak homogenizing trend of a 0.3% increase in species shared among communities/year on average was driven by increased numbers of widespread (high occupancy) species and strongly associated with checklist data that have longer durations and large spatial scales. At smaller spatial and temporal scales, we show that homogenization and differentiation can be driven by changes in the number and spatial distributions of both rare and common species. The multiscale perspective introduced here can help identify scale-dependent drivers underpinning biotic differentiation and homogenization.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2024 The Authors |
Dates: |
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Institution: | The University of York |
Academic Units: | The University of York > Faculty of Sciences (York) > Biology (York) |
Depositing User: | Pure (York) |
Date Deposited: | 06 Mar 2024 10:21 |
Last Modified: | 16 Oct 2024 19:49 |
Published Version: | https://doi.org/10.1126/sciadv.adj9395 |
Status: | Published |
Refereed: | Yes |
Identification Number: | 10.1126/sciadv.adj9395 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:209974 |
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Description: Synthesis reveals approximately balanced biotic differentiation and homogenization
Licence: CC-BY 2.5