A 32-year demography of yellow-bellied marmots (Marmota flaviventris)


Yellow-bellied marmots Marmota ̄aviventris in the East River Valley of Colorado were live-trapped and individually marked annually from 1962 through 1993. These pooled data were used to produce a demography and life table for these years. Females had signi®cantly better survivorship than males beyond the ®rst-year age class, and the sex ratio became… (More)


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