First steps of enrichment at Lisbon Zoo: Testing the effects of two materials on chimpanzee behavior (1993)
Gaspar, A. D.
Abstract
The provision of manipulable objects [plastic bricks, items of clothing] led to a significant reduction of aggression, visitor-directed and self-directed behaviors and activity.
Published
1993
Citation
Gaspar, A. D. 1993. First steps of enrichment at Lisbon Zoo: Testing the effects of two materials on chimpanzee behavior. ChimpanZoo Conference Proceedings, 26-35.
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