A global synthesis reveals biodiversity-mediated benefits for crop production
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.
| Main Authors: | , , , , , , , , , , |
|---|---|
| Format: | Artículo biblioteca |
| Language: | English |
| Published: |
American Association for the Advancement of Science, Washington,DC, USA
2019
|
| Subjects: | BIODIVERSIDAD, ECOSISTEMA, SERVICIOS ECOSISTEMICOS, BIOCENOSIS, AGROECOSISTEMAS, UTILIZACION DE LA TIERRA, PRODUCCION ALIMENTARIA, RENDIMIENTO DE CULTIVOS, ORGANISMOS BENEFICIOSOS, POLINIZADORES, CONTROL BIOLOGICO DE PLAGAS, ESPECIES DOMINANTES, |
| Online Access: | https://repositorio.catie.ac.cr/handle/11554/9472 http://dx.doi.org/10.1126/sciadv.aax0121 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|