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Your Position :Home->Past Journals Catalog->2014年51 No.3

Ecological management of insects based on ecological services at a landscape scale
Author of the article:GE Feng** OUYANG Fang ZHAO Zi-Hua
Author's Workplace:State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
Key Words: insect ecological service, agricultural landscape, ecological management of insect, ecological design, biological control, pollination, organic-matter disposition
Abstract:      Insects play an important role in pollination, biological control, and organic-matter disposition in agroecosystems. Furthermore, agricultural landscape patterns have a great effect on insect distribution, which in turn affects the multiple ecological services insects provide. Based on integrated pest and habitat management, we suggest a new theory of the ecological management of agricultural insects based on ecological services at a landscape scale. Insect management should be conducted on a broad landscape scale for a single agroecosystem. Moreover, the pollination, biological control, and organic-matter disposition services provided by the insect community should be considered in agricultural landscape design. On one hand, the core technology is the construction and design of functional plants and non-crop habitats, which enhance both the activity of natural enemies and the multiple ecological services provided by insect communities, and suppress pest populations to the greatest extent on a successive spatial scale. On the other hand, the pattern and evolution of crop and non-crop habitats should be used to facilitate biological control of natural enemies on a temporal scale. In addition, the theory and method of stable isotope and energy ecology could be used to interpret plant-insect interactions qualitatively, with the goal of achieving sustainable insect management on a landscape scale. Finally, multiple ecological services (pollination, biological control, organic-matter disposition) can be achieved and supply a theoretical basis and potential for insect management on multiple spatial-temporal scales.
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