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Scientia Silvae Sinicae ›› 2000, Vol. 36 ›› Issue (6): 20-27.doi: 10.11707/j.1001-7488.20000610

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QUANTITATIVE CLASSIFICATION AND ORDINATION OF PLANT COMMUNITIES IN BAOTIANMAN,HENAN PROVINCE

Shi Zuomin,Liu Shirong,Cheng Ruimei,Jiang Youxu   

  1. Institute of Forest Ecology,Environment and Protection CAF Beijing 100091
  • Received:1999-01-28 Revised:1900-01-01 Online:2000-11-25 Published:2000-11-25

Abstract: Plant communities in Baotianman,Henan Province were studied by the methods of Two-Way INdicators SPecies ANalysis (TWINSPAN) and Detrended Correspondence Analysis (DCA) in this paper.The results are as follows:Plant communitites were classified into 23 formations by TWINSPAN,they are Form.Quercus acrodenta, Form.Carpinus cordata,Form.Ostrya japonica+Kalopanax septemlobus,Form. Q.variabilis+Platycarya strobilacea,Form.Q.variabilis,Form.Q.variabilis+Castanea seguinii,Form.C.seguinii,Form.Q.aliena var.acuteserrata+P.strobilacea,Form.Q.glandulifera var.brevipetiolata+Q.aliena var. acuteserrata,Form.Populus davidiand + Betula platyphylla From.Q.aliena var.acuteserrata,From.P.strobilacea+Toxicodendron verniciflnum+Acer davidii,Form.Q.glauca,Form.Rhododendron purdomii,Form.A.robustum+Fraxinus mandshurica,Form.Macrocarpium officinalis,Form.Koelreuteria paniculata,Form.Catalpa ovata+Pterocarya stenoptera,Form.A.oblongum,Form.Pteroceltis tatarinowii,Form.Vitex negundo,Form.Dipteronia sinensis+Tapiscia sinensis and Form.Euptelea pleiospermum. Results of ordination by DCA reflect basically the relationship between plant communities and environmental factors,axis 1 and axis 2 reflect mainly the thermal and moisture gradients respectively.

Key words: Plant communities, Classification, Ordination, Baotianman, Henan