Habitat selection following recent disturbance: model transferability with implications for management and conservation of moose (Alces alces)

作者: Garrett M. Street , Lucas M. Vander Vennen , Tal Avgar , Anna Mosser , Morgan L. Anderson

DOI: 10.1139/CJZ-2015-0005

关键词:

摘要: Site-specific variation in relative habitat abundance and disturbance regimes may produce differences preferences of associated populations. An evaluation the predictive power selection models across space would benefit our understanding reliability use predicting animal occurrence. We used presence–absence data from winter surveys moose (Alces alces (L., 1758)) to estimate resource functions (RSFs) two study sites using Far North Land Cover updated with recent fire timber harvest. Moose selected foraging (e.g., deciduous land cover) for increasing foliage cover (ΔNDVI, i.e., difference normalized vegetation index). Snow depth negatively influenced selection, likely due increased predation risk reduced movement efficiency. Models lost little when applied another site based on comparison receiver operating...

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