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Article: Électronique

A global synthesis reveals biodiversity-mediated benefits for crop production / Matteo Dainese in Science advances, (2019)

Article (2019)

[article]
inScience advances > (2019) . - 13 p.

Titre :	A global synthesis reveals biodiversity-mediated benefits for crop production
Type de document :	Électronique
Auteurs :	Matteo Dainese ; Emily A. Martin ; Marcelo A. Aizen ; Matthias Albrecht ; Ignasi Bartomeus ; Riccardo Bommarco ; Luisa G. Carvalheiro ; Rebecca Chaplin-Kramer ; Vesna Gagic
Année de publication :	2019
Article en page(s) :	13 p.
Langues :	Anglais (eng)
Catégories :	[CBNPMP-Thématique] Agriculture et environnement [CBNPMP-Thématique] Développement agricole [CBNPMP-Thématique] Qualité de culture et production agricole et forestière
Résumé :	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.
Lien pérenne :	DOI : 10.1126/sciadv.aax0121
Permalink :	https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=143274

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