River management and habitat characteristics of three sympatric aquatic rodents: common muskrat, coypu and European beaver

The ecological environment of three aquatic rodents was studied in the French Ardennes region. Two species, the coypu ( Myocastor coypus ) and the common muskrat ( Ondatra zibethicus ), are invasive. By contrast the native European beaver ( Castor fiber ) was extirpated from the region, subsequently...

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