三峡库区森林植物群落数量分类与排序*

doi:10.11707/j.1001-7488.20080406

Abstract

Abstract:

Forest plant communities in Three Gorges Reservoir Area were studied by the methods of two way indicators species analysis (TWSPAN) and detrended correspondence analysis (DCA). The results showed that forest plant communities were classified into 33 formations by TWSPAN, they were Form. Pinus henryi, Form. Pinus armandii, Form. Pinus massoniana, Form. Cunninghamia lanceolata, Form. Cupressus funebris, Form. Pinus massoniana-Quercus variabilis,Form. Pinus massoniana-Castanopsis fargesii, Form. Pinus massoniana-Grdonia axillaris, Form. Cunninghamia lanceolata-Castanopsis fargesii, Form. Quercus glandulifera var. brevipetiolata, Form. Quercus variabilis, Form. Quercus albu,Form. Quercus aliena-Quercus variabilis, Form. Quercus dentata var.oxyloba, Form. Fagus lucida, Form. Dendrobenthamia japonica var.chinensis, Form. Liquidambar formosana, Form. Castanea seguinii, Form. Platycarya strobilacea, Form. Betula albosinensis, Form. Betula utilis, Form. Cerasus conrodinae-Quercus spinosa, Form. Cercidiphyllum japonicum-Padus obtusata, Form. Bothrocaryum controversum, Form. Celtis sinensis, Form. Lithocarpus cleistocarpus-Castanea henryi, Form. P. strobilacea-Cyclobalanopsis oxyodon, Form. Lithocarpus glaber, Form. Castanopsis eyeri, Form. Ormosia henryi, Form. Machilus pingii, Form. {G. asillaris}and Form. Quercus spinosa. Results of ordination by DCA reflected basically the relationship between plant communities and environmental factors, axis 1 and axis 2 reflected mainly the thermal and moisture gradients respectively.

Key words: Three Gorges Reservoir Area, plant communities, classification, ordination

Cheng Ruimei;Xiao Wenfa . Quantitative Classification and Ordination of the Forest Communities in Three Gorges Reservoir Area[J]. Scientia Silvae Sinicae, 2008, 44(4): 20-27.

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Quantitative Classification and Ordination of the Forest Communities in Three Gorges Reservoir Area

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