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A global synthesis reveals biodiversity-mediated benefits for crop production
Abstract
Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield–related ecosystem services can be maintained by a few dominant species or rely on high richness remains unclear. Using a global database from 89 studies (with 1475 locations), we partition the relative importance of species richness, abundance, and dominance for pollination; biological pest control; and final yields in
[ver mas...]
Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield–related ecosystem services can be maintained by a few dominant species or rely on high richness remains unclear. Using a global database from 89 studies (with 1475 locations), we partition the relative importance of species richness, abundance, and dominance for pollination; biological pest control; and final yields in the context of ongoing land-use change. Pollinator and enemy richness directly supported ecosystem services in addition to and independent of abundance and dominance. Up to 50% of the negative effects of landscape simplification on ecosystem services was due to richness losses of service-providing organisms, with negative consequences for crop yields. Maintaining the biodiversity of ecosystem service providers is therefore vital to sustain the flow of key agroecosystem benefits to society.
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![Thumbnail](/xmlui/bitstream/handle/20.500.12123/10986/ScienceAdvances.2019.5.issue-10.cover.gif?sequence=3&isAllowed=y)
Author
Dainese, Matteo;
Martin, Emily A.;
Aizen, Marcelo Adrian;
Albrecht, Matthias;
Bartomeus, Ignasi;
Bommarco, Riccardo;
Carvalheiro, Luisa G.;
Chaplin-Kramer, Rebecca;
Gagic, Vesna;
Garibaldi, Lucas Alejandro;
Cavigliasso, Pablo;
Steffan-Dewenter, Ingolf;
Fuente
Science Advances 5 (10) : eaax0121 (October 2019)
Date
2019-10
Editorial
American Association for the Advancement of Science
ISSN
2375-2548
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
Abierto
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