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The diet of American mink Mustela vison Schreber, 1777 and otter Lutra lutra (Linnaeus, 1758) and their occupation of the various stretches over approximately 70 km of two Mediterranean rivers in the centre of Spain were studied during January 1995. No spatial segregation is thought to exist between the two species. The otter diet, mainly fish (93% of excrement) and American red crayfish Procambarus...
Inferences on competitive interactions between white-tailed deer Odocoileus uirgi- nianus (Zimmermann, 1780) and cattle were made using information on diet composition and quality. We hypothesized that dietary overlap between deer and cattle would increase with cattle density and that quality of deer diets would be higher in areas not exposed to cattle than in areas that were stocked with moderate...
Experimental removal was conducted to test interspecific competition between the wood mouse Apodemus sylvaticus (Linnaeus, 1758) and the bank vole Clethrionomys glareolus (Schreber, 17801 that dominate the rodent communities in the forested biotopes through most of central Europe. Population density, body mass, reproductive condition, and habitat use were compared among two experimental sites (where...
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