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林业科学 ›› 2008, Vol. 44 ›› Issue (4): 20-27.doi: 10.11707/j.1001-7488.20080406

• 论文 • 上一篇    下一篇

三峡库区森林植物群落数量分类与排序*

程瑞梅 肖文发   

  1. (中国林业科学研究院森林生态环境与保护研究所 国家林业局森林生态环境重点实验室 北京100091)
  • 收稿日期:2007-10-12 修回日期:1900-01-01 出版日期:2008-04-25 发布日期:2008-04-25
  • 通讯作者: 肖文发

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

Cheng Ruimei,Xiao Wenfa   

  1. (Research Institute of Forest Ecology,Environment and Protection,CAF Key Lab. of Forest Ecology and Environment, State Forestry Administration Beijing 100091)
  • Received:2007-10-12 Revised:1900-01-01 Online:2008-04-25 Published:2008-04-25

摘要:

应用二元指示种分析(TWINSPAN) 和无偏对应分析(DCA) 对三峡库区森林植物群落进行研究。结果表明: TWINSPAN 将森林植物群落分成了巴山松林、华山松林、马尾松林、杉木林、柏木林、马尾松-栓皮栎林、马尾松-栲林、马尾松-大头茶林、杉木-栲林、短柄NFDA9栎林、栓皮栎林、白栎林、槲栎-栓皮栎林、西南槲树林、亮叶水青冈林、茅栗林、化香林、红桦林、糙皮桦林、四照花林、枫香林、华中樱桃-刺叶栎林、连香树-细齿稠李林、灯台树林、朴树林、包槲柯-锥栗林、化香-曼青冈林、石栎林、甜槠林、红豆树林、润楠林、大头茶林与刺叶栎林33种类型; DCA 排序结果本上反映植物群落与环境因子的关系,第1 排序轴主要反映热量的变化,第2 排序轴主要反映湿度的变化。

关键词: 三峡库区, 植物群落, 分类, 排序

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