Cannibalism regulates densities of young wolf spiders: evidence from field and laboratory experiments.

Ecology | March 1, 1996| | Copyright

INTRODUCTION

Spiders are a ubiquitous and diverse group of terrestrial predators that often consume a substantial fraction of herbivore and detritivore populations (Van Hook 1971, Moulder and Reichle 1972, Manley et al. 1976). Descriptive and experimental studies have revealed the importance of prey availability and habitat structure in determining spider growth, fecundity, and/or abundance, and experimentalists recently have begun to uncover the impact of natural enemies on spider densities (cf. reviews by Uetz 1991, Wise 1993). What is often lacking is information on ...

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