Download e-book for iPad: Conservation Biological Control by Pedro A. Barbosa

By Pedro A. Barbosa

This quantity is a accomplished remedy of ways the rules of ecology and conservation biology can be utilized to maximise organic keep an eye on. Conservation organic keep watch over offers a number of ability to change or manage the surroundings to augment the actions of ordinary enemies of pests. It establishes a conceptual hyperlink among ecology and the rural use of brokers for organic regulate, and discusses either theoretical concerns in addition to useful administration matters. absolute to be attention-grabbing to ecologists and entomologists, this quantity also will attract scientists, college, researchers and scholars attracted to pest administration, horticulture, plant sciences, and agriculture. Key positive aspects * includes chapters via a global workforce of prime professionals * Establishes a conceptual hyperlink among ecology and the rural use of brokers for organic keep watch over * Discusses either theoretical concerns in addition to sensible administration issues * presents particular examples of the way conservation ideas are used to maximise the organic keep watch over of pests

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B. Huffaker, ed), pp. 319-363. John Wiley and Sons. New York, NY. Risch, S. (1987). Agricultural ecology and insect outbreaks. " (P. Barbosa, and J, C. ), pp. 217-238. Academic Press. New York, NY. Risch, S. , and Carroll, C. R. (1982). The ecological role of ants in two Mexican agroecosystems. Oecologia 55, 114-119. Risch, S. , and Altieri, M. A. (1983). Agroecosystem diversity and pest control: data, tentative conclusions, and new directions. Environ. Entomol 12, 625-629. Robinson, G. , and Quinn, J.

Figure 2. A. 3. Agroecosystems and Conservation 47 considered a primary herbivore. Thus, even in a highly diverse agroecosystem such as this, major herbivores are limited in number; and thus so too are the number of their natural enemies (relative to the large natural enemy species complex typically found in alfalfa). That is, only a small number of key natural enemies need to be conserved.

That is, current crop support systems focus on particular commodities and thus encourage both individual farm and regional specialization rather than diversified farming. If the definitions of crop acreage bases (the number of acres eligible for crop supports) were expanded, farmers would have more options to design their cropping systems to conserve natural enemies and other elements that lead to sustainable agriculture (Dahlberg, 1996). 2. Lessons for Conserving Natural Enemies 27 Instead, the cost of replacing ecological services with chemical products is often subsidized by current taxation schemes.

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