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Article Dans Une Revue Science Année : 2016

Mutually beneficial pollinator diversity and crop yield outcomes in small and large farms

1 CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires]
2 Departamento de Ecologia
3 Centre for Ecology, Evolution and Environmental Changes (Ce3C)
4 Naturalis Biodiversity Center [Leiden]
5 AE - Abeilles et environnement
6 FAO - Food and Agriculture Organization of the United Nations
7 UFBA - Universidade Federal da Bahia
8 UFC - Universidade Federal do Ceará = Federal University of Ceará
9 Intergovernmental Platform on Biodiversity and Ecosystem Services
10 Norvegian Institute for Nature Research
11 CAAS - Chinese Academy of Agricultural Sciences
12 PUC-RS - Pontifícia Universidade Católica do Rio Grande do Sul [Brasil] = Pontifical Catholic University of Rio Grande do Sul [Brazil] = Université catholique pontificale de Rio Grande do Sul [Brésil]
13 Bogor Agricultural University - IPB (INDONESIA)
14 Universidad Nacional de Colombia
15 DFI/CCET/ - Universidade Federal de Sergipe
16 Institute of Agriculture and Animal Science
17 Embrapa - Empresa Brasileira de Pesquisa Agropecuária
18 Jardim Botânico do Rio de Janeiro
19 UENF - Universidade Estadual do Norte Fluminense Darcy Ribeiro
20 UZ - University of Zimbabwe
21 Pakistan Agriculture Research Council
22 Kenya Agricultural and Livestock Research Organisation
23 University of Cape Coast
24 Parque Estação Biológica
25 Instituto do Meio Ambiente e Recursos Hídricos do Estado da Bahia
26 G.B. Plant Institute of Himalayan Environment and Development
27 UB - Brawijaya University
28 Universidade Federal de São Paulo
29 Kirstenbosch Research Centre
30 Stellenbosch University
31 Fepagro - Fundaçao Estadual de Pesquisa Agropecuaria
Bernard Vaissière
Juliana Hipólito
Jiandong An

Résumé

Ecological intensification, or the improvement of crop yield through enhancement of biodiversity, may be a sustainable pathway toward greater food supplies. Such sustainable increases may be especially important for the 2 billion people reliant on small farms, many of which are undernourished, yet we know little about the efficacy of this approach. Using a coordinated protocol across regions and crops, we quantify to what degree enhancing pollinator density and richness can improve yields on 344 fields from 33 pollinator-dependent crop systems in small and large farms from Africa, Asia, and Latin America. For fields less than 2 hectares, we found that yield gaps could be closed by a median of 24% through higher flower-visitor density. For larger fields, such benefits only occurred at high flower-visitor richness.Worldwide, our study demonstrates that ecological intensification can create synchronous biodiversity and yield outcomes.

Dates et versions

hal-02639705 , version 1 (28-05-2020)

Identifiants

Citer

Lucas A. Garibaldi, Luisa G. Carvalheiro, Bernard Vaissière, Barbara Gemmill-Herren, Juliana Hipólito, et al.. Mutually beneficial pollinator diversity and crop yield outcomes in small and large farms. Science, 2016, 351 (6271), pp.388-391. ⟨10.1126/science.aac7287⟩. ⟨hal-02639705⟩
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