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14 July 2015 Comparing Ecoregional Classifications for Natural Areas Management in the Klamath Region, USA
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Abstract

We compared three existing ecoregional classification schemes (Bailey, Omernik, and World Wildlife Fund) with two derived schemes (Omernik Revised and Climate Zones) to explore their effectiveness in explaining species distributions and to better understand natural resource geography in the Klamath Region, USA. We analyzed presence/absence data derived from digital distribution maps for trees, amphibians, large mammals, small mammals, migrant birds, and resident birds using three statistical analyses of classification accuracy (Analysis of Similarity, Canonical Analysis of Principal Coordinates, and Classification Strength). The classifications were roughly comparable in classification accuracy, with Omernik Revised showing the best overall performance. Trees showed the strongest fidelity to the classifications, and large mammals showed the weakest fidelity. We discuss the implications for regional biogeography and describe how intermediate resolution ecoregional classifications may be appropriate for use as natural areas management domains.

Daniel A. Sarr, Andrew Duff, Eric C. Dinger, Sarah L. Shafer, Michael Wing, Nathaniel E. Seavy, and John D. Alexander "Comparing Ecoregional Classifications for Natural Areas Management in the Klamath Region, USA," Natural Areas Journal 35(3), 360-377, (14 July 2015). https://doi.org/10.3375/043.035.0301
Published: 14 July 2015
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