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EFFECTS OF HEADLAND MANAGEMENT ON CARABID BEETLE COMMUNITIES IN BRECKLAND CEREAL FIELDS

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Publication details

JournalPedobiologia
DatePublished - Jan 1994
Issue number1
Volume38
Number of pages13
Pages (from-to)50-62
Original languageEnglish

Abstract

1. The effects of different management treatments on carabid beetle communities of cereal headlands and crops in the Breckland Environmentally Sensitive Area were investigated. 2. Total numbers of carabids caught were significantly greater on uncropped and conservation headlands than in fully sprayed headlands and the crop. 3. Carabid beetles were significantly more abundant in the crop adjacent to uncropped headlands than in that adjacent to conservation and fully sprayed headlands. Carabid abundance was positively and significantly correlated with stalk density. 4. The greater relative abundance of carabids in uncropped headlands is of potential importance for biological pest control and gamebird management. 5. By providing increased overwintering sites for carabid beetles, uncropped headlands could substantially increase the reservoir of aphid predators for colonisation of the the crop in early spring.

    Research areas

  • CARABIDS, CEREAL FIELDS, HEADLAND, MANAGEMENT, BIOLOGICAL PEST CONTROL, POLYPHAGOUS PREDATORS, PARTRIDGE CHICKS, FEEDING ECOLOGY, ARABLE FARMLAND, ALECTORIS-RUFA, PITFALL TRAPS, PERDIX-PERDIX, PESTICIDE USE, SURVIVAL

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