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Mammal populations; Mammals--Geographical distribution; Apostle Islands (Wis.)


Five weeks of small mammal trapping on the Apostle Islands in 1978 yielded few captures. The low capture rate was attributed to low invasion rates and high extinction rates. Distribution records of small mammal species on individual islands were compiled from studies conducted as early as 1917. The distribution of many small mammal species on these islands remains largely undocumented, and further study is desirable before the patterns are disrupted by human activity.

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