A global synthesis reveals biodiversity-mediated benefits for crop production
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2019-10
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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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DAINESE, Matteo Martin et al. A global synthesis reveals biodiversity-mediated benefits for crop production. Science Advances, Washington, v. 5, n. 10, eaax0121, Oct. 2019. DOI: 10.1126/sciadv.aax0121. Disponível em: https://www-science-org.ez49.periodicos.capes.gov.br/action/doSearch?AllField=A+global+synthesis+reveals+biodiversity-mediated+benefits+for+crop+production. Acesso em: 13 jan. 2023.