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Forskningsartikel2024Vetenskapligt granskadÖppen tillgång

Global arthropod beta-diversity is spatially and temporally structured by latitude

Seymour, Mathew; Roslin, Tomas; Dewaard, Jeremy R.; Perez, Kate H. J.; D'Souza, Michelle L.; Ratnasingham, Sujeevan; Ashfaq, Muhammad; Levesque-Beaudin, Valerie; Blagoev, Gergin A.; Bukowski, Belen; Cale, Peter; Crosbie, Denise; Decaens, Thibaud; Dewaard, Stephanie L.; Ekrem, Torbjorn; El-Ansary, Hosam O.; Evouna Ondo, Fidele; Fraser, David; Geiger, Matthias F.; Hajibabaei, Mehrdad;
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Sammanfattning

Global biodiversity gradients are generally expected to reflect greater species replacement closer to the equator. However, empirical validation of global biodiversity gradients largely relies on vertebrates, plants, and other less diverse taxa. Here we assess the temporal and spatial dynamics of global arthropod biodiversity dynamics using a beta-diversity framework. Sampling includes 129 sampling sites whereby malaise traps are deployed to monitor temporal changes in arthropod communities. Overall, we encountered more than 150,000 unique barcode index numbers (BINs) (i.e. species proxies). We assess between site differences in community diversity using beta-diversity and the partitioned components of species replacement and richness difference. Global total beta-diversity (dissimilarity) increases with decreasing latitude, greater spatial distance and greater temporal distance. Species replacement and richness difference patterns vary across biogeographic regions. Our findings support long-standing, general expectations of global biodiversity patterns. However, we also show that the underlying processes driving patterns may be regionally linked.A study on global arthropod biodiversity dynamics reveals that beta-diversity increased with latitude, distance, and time. Species replacement and richness difference patterns vary across regions, supporting global biodiversity expectations.

Publicerad i

Communications biology
2024, Volym: 7, nummer: 1, artikelnummer: 552
Utgivare: NATURE PORTFOLIO

    UKÄ forskningsämne

    Ekologi

    Publikationens identifierare

    DOI: https://doi.org/10.1038/s42003-024-06199-1

    Permanent länk till denna sida (URI)

    https://res.slu.se/id/publ/130019