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EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS

Research output: Contribution to journalArticle

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EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS. / WHITE, P C L ; HASSALL, M .

In: Pedobiologia, Vol. 38, No. 2, 03.1994, p. 169-184.

Research output: Contribution to journalArticle

Harvard

WHITE, PCL & HASSALL, M 1994, 'EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS', Pedobiologia, vol. 38, no. 2, pp. 169-184.

APA

WHITE, P. C. L., & HASSALL, M. (1994). EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS. Pedobiologia, 38(2), 169-184.

Vancouver

WHITE PCL, HASSALL M. EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS. Pedobiologia. 1994 Mar;38(2):169-184.

Author

WHITE, P C L ; HASSALL, M . / EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS. In: Pedobiologia. 1994 ; Vol. 38, No. 2. pp. 169-184.

Bibtex - Download

@article{73bcb24f9513412c91881c114f8caca4,
title = "EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS",
abstract = "The effects of different management regimes on spider communities of cereal headlands in the Breckland Environmentally Sensitive Area were investigated. Mean species richness, catch biovolume and the number of agile hunting spiders caught were significantly greater on uncropped headlands than on conservation (selectively sprayed) headlands, fully sprayed headlands and in the adjacent crops. Vegetation structural complexity (VSC) on the different headlands and crops was quantified by a principal components analysis based on measurements of peak vegetation height, stem density and the density of angled stems. The numbers of nocturnal hunters, agile hunters and ambushers caught were all significantly positively correlated with VSC. It is concluded that VSC is an important environmental determinant of spider community structure and functional organisation. Species richness and catch biovolume increased with time on uncropped headlands, probably as a result of increasing VSC, the lack of physical disturbance and the lack of fertiliser and pesticide application. The regulation of pesticide application on conservation headlands had no beneficial effect on the spider community present on those headlands. Uncropped headlands are potentially of considerable value to the biological control of aphids and the conservation of spiders.",
keywords = "SPIDERS, GUILDS, CEREAL HEADLANDS, VEGETATION COMPLEXITY, POLYPHAGOUS PREDATORS, WINTER-WHEAT, APHIDS, EXCLUSION, MARGINS",
author = "WHITE, {P C L} and M HASSALL",
year = "1994",
month = "3",
language = "English",
volume = "38",
pages = "169--184",
journal = "Pedobiologia",
issn = "0031-4056",
publisher = "Urban und Fischer Verlag Jena",
number = "2",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - EFFECTS OF MANAGEMENT ON SPIDER COMMUNITIES OF HEADLANDS IN CEREAL FIELDS

AU - WHITE, P C L

AU - HASSALL, M

PY - 1994/3

Y1 - 1994/3

N2 - The effects of different management regimes on spider communities of cereal headlands in the Breckland Environmentally Sensitive Area were investigated. Mean species richness, catch biovolume and the number of agile hunting spiders caught were significantly greater on uncropped headlands than on conservation (selectively sprayed) headlands, fully sprayed headlands and in the adjacent crops. Vegetation structural complexity (VSC) on the different headlands and crops was quantified by a principal components analysis based on measurements of peak vegetation height, stem density and the density of angled stems. The numbers of nocturnal hunters, agile hunters and ambushers caught were all significantly positively correlated with VSC. It is concluded that VSC is an important environmental determinant of spider community structure and functional organisation. Species richness and catch biovolume increased with time on uncropped headlands, probably as a result of increasing VSC, the lack of physical disturbance and the lack of fertiliser and pesticide application. The regulation of pesticide application on conservation headlands had no beneficial effect on the spider community present on those headlands. Uncropped headlands are potentially of considerable value to the biological control of aphids and the conservation of spiders.

AB - The effects of different management regimes on spider communities of cereal headlands in the Breckland Environmentally Sensitive Area were investigated. Mean species richness, catch biovolume and the number of agile hunting spiders caught were significantly greater on uncropped headlands than on conservation (selectively sprayed) headlands, fully sprayed headlands and in the adjacent crops. Vegetation structural complexity (VSC) on the different headlands and crops was quantified by a principal components analysis based on measurements of peak vegetation height, stem density and the density of angled stems. The numbers of nocturnal hunters, agile hunters and ambushers caught were all significantly positively correlated with VSC. It is concluded that VSC is an important environmental determinant of spider community structure and functional organisation. Species richness and catch biovolume increased with time on uncropped headlands, probably as a result of increasing VSC, the lack of physical disturbance and the lack of fertiliser and pesticide application. The regulation of pesticide application on conservation headlands had no beneficial effect on the spider community present on those headlands. Uncropped headlands are potentially of considerable value to the biological control of aphids and the conservation of spiders.

KW - SPIDERS

KW - GUILDS

KW - CEREAL HEADLANDS

KW - VEGETATION COMPLEXITY

KW - POLYPHAGOUS PREDATORS

KW - WINTER-WHEAT

KW - APHIDS

KW - EXCLUSION

KW - MARGINS

M3 - Article

VL - 38

SP - 169

EP - 184

JO - Pedobiologia

JF - Pedobiologia

SN - 0031-4056

IS - 2

ER -