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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. [Cerrar]
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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
URI
http://hdl.handle.net/20.500.12123/10986
https://www.science.org/doi/10.1126/sciadv.aax0121
DOI
https://doi.org/10.1126/sciadv.aax0121
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Cultivos; Crops; Producción; Production; Biodiversidad; Biodiversity; Rendimiento; Yields;
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Excepto donde se diga explicitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
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