Interactive effects among ecosystem services and management practices on crop production: Pollination in coffee agroforestry systems

Boreux V.; Kushalappa C.G.; Vaast P.Ghazoul J.

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Interactive effects among ecosystem services and management practices on crop production: Pollination in coffee agroforestry systems

机译：Interactive effects among ecosystem services and management practices on crop production: Pollination in coffee agroforestry systems

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Crop productivity is improved by ecosystem services, including pollination, but this should be set in the context of trade-offs among multiple management practices.We investigated the impact of pollination services on coffee production, considering variation in fertilization, irrigation, shade cover, and environmental variables such as rainfall (which stimulates coffee flowering across all plantations), soil pH, and nitrogen availability. After accounting for management interventions, bee abundance improved coffee production (number of berries harvested). Some management interventions, such as irrigation, used once to trigger asynchronous flowering, dramatically increased bee abundance at coffee trees. Others, such as the extent and type of tree cover, revealed interacting effects on pollination and, ultimately, crop production. The effects of management interventions, notably irrigation and addition of lime, had, however, far more substantial positive effects on coffee production than tree cover. These results suggest that pollination services matter, but managing the asynchrony of flowering was a more effective tool for securing good pollination than maintaining high shade tree densities as pollinator habitat. Complex interactions across farm and landscape scales, including both management practices and environmental conditions, shape pollination outcomes. Effective production systems therefore require the integrated consideration of management practices in the context of the surrounding habitat structure. This paper points toward a more strategic use of ecosystem services in agricultural systems, where ecosystem services are shaped by the coupling of management interventions and environmental variables.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2013年第21期|8387-8392|共6页
作者
Boreux V.; Kushalappa C.G.; Vaast P.Ghazoul J.;
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作者单位

Institute of Terrestrial Ecosystems, Department of Environmental Systems Science, ETH Zurich, 8092 Zurich, Switzerland;

College of Forestry, University of Agricultural Sciences Bangalore, Ponnampet 571 216, Kodagu, India;

Centre de Coopération en Recherche Agronomique Pour le Développement, Unite Mixte de Recherche en Ecologie Fonctionnelle et Biogeochimie des Sols and Agro-ecosystemes, 34060 Montpellier cedex 2, France;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
Apis; Coffea canephora; India; Tetragonula;

Interactive effects among ecosystem services and management practices on crop production: Pollination in coffee agroforestry systems

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