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Pitfall Trapping as a Method for Studying Populations of Carabidae (Coleoptera)
P. J. M. Greenslade
Journal of Animal Ecology
Vol. 33, No. 2 (Jun., 1964), pp. 301-310
Published by: British Ecological Society
Stable URL: http://www.jstor.org/stable/2632
Page Count: 10
You can always find the topics here!Topics: Vegetation, Coleoptera, Grasses, Species, Fauna, Animal traps, Population ecology, Habitats, Wildlife habitats, Population estimates
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Pitfall trapping is reviewed as a sampling method for Carabidae. Catches are determined primarily by the size of the population at risk and the level of locomotor activity but species may show differential susceptibility to trapping according to size, behaviour, and the strata in which they are active in the ground vegetation. Catches of a single species may vary in different types of ground cover depending on the resistance they present to horizontal movement. These observations severely restrict the number of cases in which it is permissible to make quantitative comparisons between the catches of different pitfall traps.
Journal of Animal Ecology © 1964 British Ecological Society