Abstract
The conservation problems affecting the endangered rodent Microtus cabrerae are mainly related to habitat loss and fragmentation. In the present study, we examined the presence/absence of the species in a group of potentially suitable habitat patches, and then evaluated the microhabitat attributes of locations used by wild-ranging individuals within occupied patches. Our results revealed that shallow flooding and abundant grass cover appear to be important factors in determining the presence among localities, but high rush cover strongly determined the presence and habitat use by voles both among and within localities. The preservation of these microhabitat characteristics may be required to effectively ensure the occurrence and stability of M. cabrerae colonies.
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