The ecology of a beech forest on Mt. Sanpoiwadake,Hakusan National Park,Japan I. Braun-Blanquet,TWINSPAN and DCA analysis |
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Authors: | Tukasa Hukusima Kennth Andrew Kershaw |
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Institution: | (1) Faculty of Agriculture, Tokyo University of Agriculture & Technology, Fuchu, 183 Tokyo, Japan;(2) Department of Biology, McMaster University, L8S 4K1 Hamilton, Ontario, Canada |
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Abstract: | The Lindero membranaceae-Fagetum crenatae association on Mt. Sanpoiwadake, Hakusan National Park, Japan, has been classified
using traditional Braun-Blanquet methods. The association was floristically sub-divided into six communities, all of which
had been included as four subassociations by Hukusima (1982). The resulting table was compared with an analogous community
table derived using computer-based TWINSPAN analysis. This dual approach was shown to provide a fully objective classification
by method, the subjective element in the Braun-Blanquet method thus being substantiated TWINSPAN. Subsequent ordination of
the data using DCA then provided a further degree of objective evaluation allowing any misclassified stand or species to be
re-examined, and at the same time displaying the detailed inter-relationships between all species or stands. |
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Keywords: | Braun-Blanquet method DCA Hakusan National Park Subassociation of Lindero membranaceae-Fagetum crenatae TWINSPAN |
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