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Functional and numerical responses do not always indicate the most effective predator for biological control: an analysis of two predators in a two-prey system.

Published online: 11 Sep 2002

Authors: Lester, P. J. & Harmsen, R.

Content type: Journal article

Journal title: Journal of Applied Ecology

1. Functional and numerical responses are key components in the selection of predators for biological control. We examined the relevance of these resp...

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The effects of refuge size and number on acarine predator-prey dynamics in a pesticide-disturbed apple orchard.

Published online: 19 Aug 1998

Authors: Lester, P. J. & Thistlewood, H. M. A. & Harmsen, R.

Content type: Journal article

Journal title: Journal of Applied Ecology

In apple orchards, the use of pesticides such as pyrethroids for the control of lepidopteran and dipteran pests can severely disturb natural equilibri...

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