PEARSON, O. & PEARSON, C. (1978)

The diversity and abundance of vertebrates along an altitudinal gradient in Peru

The Pacific slope of the Andes of southern Perú supports a variety of biotic communities, some of which are unique and some of which are ecologic analogs of communities found on other continents. Because quantitative descriptions of the fauna and flora of these communities are lacking, because some of the communities are so widespread as to be of economic importance in Peru,Bolivia, Argentina, and Chile, and because together they provide an interesting altitudinal sequence, we have attempted to describe quantitatively a series of eight selected communities. Most of the Peruvian communities support a greater Bird Species Diversity than expected on the basis of Foliage Height Diversity appropriate to Chile or North America.

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