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Douglas P. Chivers, Fawaz Al-Batati, Grant E. Brown and Maud C. O. Ferrari The effect of turbidity on recognition and generalization of predators and non-predators in aquatic ecosystems Ecology and Evolution 3

Article first published online: 27 DEC 2012 | DOI: 10.1002/ece3.454

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Recent anthropogenic activities have caused a considerable change in the turbidity of freshwater and marine ecosystems. Here, we showed that when prey fish were conditioned to recognize predators and non-predators in clear water, they showed a highly sophisticated ability to distinguish predators from non-predators. However, when learning occurred under conditions of increased turbidity, the ability of the prey to learn and generalize recognition of predators and non-predators was severely impaired.

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