| 著者: | Michael Aleksiuk |
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| 版本/格式: |
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| 刊登在: | Ecology, vol.51, no.2, 1970, pp.264-270, ill. |
| 提要: |
The feeding activity of a beaver (Castor canadensis Kuhl) population on the Mackenzie Delta, NWT, was observed during the spring, summer and autumn of 1964-1966 inclusive.
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| 评估: |
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