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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Landscape effects on crop pollination services: Are there general patterns?
Ecology Letters, Volume 11, No. 5, Year 2008
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Description
Pollination by bees and other animals increases the size, quality, or stability of harvests for 70% of leading global crops. Because native species pollinate many of these crops effectively, conserving habitats for wild pollinators within agricultural landscapes can help maintain pollination services. Using hierarchical Bayesian techniques, we synthesize the results of 23 studies - representing 16 crops on five continents - to estimate the general relationship between pollination services and distance from natural or semi-natural habitats. We find strong exponential declines in both pollinator richness and native visitation rate. Visitation rate declines more steeply, dropping to half of its maximum at 0.6 km from natural habitat, compared to 1.5 km for richness. Evidence of general decline in fruit and seed set - variables that directly affect yields - is less clear. Visitation rate drops more steeply in tropical compared with temperate regions, and slightly more steeply for social compared with solitary bees. Tropical crops pollinated primarily by social bees may therefore be most susceptible to pollination failure from habitat loss. Quantifying these general relationships can help predict consequences of land use change on pollinator communities and crop productivity, and can inform landscape conservation efforts that balance the needs of native species and people. © 2008 Blackwell Publishing Ltd/CNRS.
Authors & Co-Authors
Ricketts, Taylor H.
United States, Washington, D.c.
Conservation Science Program
Regetz, James
United States, Santa Barbara
National Center for Ecological Analysis and Synthesis
Steffan-Dewenter, Ingolf D.
Germany, Bayreuth
Universität Bayreuth
Cunningham, Saul A.
Australia, Canberra
Csiro Entomology
Kremen, Claire
United States, Berkeley
University of California, Berkeley
Bogdanski, Anne
New Zealand, Christchurch
University of Canterbury
Gemmill-Herren, Barbara
Italy, Rome
Food and Agriculture Organization of the United Nations
Greenleaf, Sarah Smith
United States, Sacramento
California State University, Sacramento
Klein, Alexandra Maria
United States, Berkeley
University of California, Berkeley
Germany, Gottingen
Georg-august-universität Göttingen
Mayfield, Margaret M.
Australia, Brisbane
The University of Queensland
Morandin, Lora A.
Canada, Burnaby
Simon Fraser University
Ochieng', Alfred O.
Kenya, Nairobi
International Centre of Insect Physiology and Ecology Nairobi
Viana, Blandina Felipe
Brazil, Salvador
Universidade Federal da Bahia
Statistics
Citations: 1,203
Authors: 13
Affiliations: 13
Identifiers
Doi:
10.1111/j.1461-0248.2008.01157.x
ISSN:
1461023X
e-ISSN:
14610248