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Comments on the Application of the Holdridge System for Classification of World Life Zones as Applied to Costa Rica
Stuart A. Harris
Arctic and Alpine Research
Vol. 5, No. 3, Proceedings of the Symposium of the International Geographical Union Commission on High Altitude Geoecology (Late Summer, 1973), pp. A187-A191
Published by: INSTAAR, University of Colorado
Stable URL: http://www.jstor.org/stable/1550169
Page Count: 5
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The Holdridge system of world life zones as applied to Costa Rica is examined. In spite of the claim that vegetation, soils, and climate are classified in the single system, it can be shown that the system does not adequately predict the soil pattern. Either the system does not do what Holdridge claimed originally or else the vegetation is too rich in the Tropics for valid diagnostic plant associations to be identified in reconnaissance work. It is, therefore, suggested that it might be worth testing the method in temperate regions in order to settle once and for all whether the system is useful.