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Effects of Crowding on the Agonistic Behavior of the Hermit Crab Pagurus Bernhardus
- Hazlett, Brian A.
- Ecology 1968 v.49 no.3 pp. 573-575
- aggression, crabs, population density, population growth
- The effects of increased population density were studied in the hermit crab Pagurus bernhardus. Without periods of adjustment between increments of population increase, the number of aggressive interactions increased rapidly, and the proportion of fights decided by physical contact increased significantly as density was increased. With period of adjustment, there were no marked increases in aggression as density increased.