Realized climate niche breadth varies with population trend and distribution in North American birds


Ralston, J., DeLuca, W.V., Feldman, R.E. & King, D.I.

Publication source: 
Global Ecology and Biogeography
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Publication summary: 

Ecological niche theory states that realized niche breadth should increase with population growth. This relationship has been studied extensively in the context of density-dependent habitat selection, and there is evidence that animal populations at higher density occupy a wider range of vegetation types.

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