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喀斯特山地草地植物群落物种优势度及优势种分析(英文)
引用本文:张文,张建利. 喀斯特山地草地植物群落物种优势度及优势种分析(英文)[J]. (《农业科学与技术》)编辑部, 2011, 0(7)
作者姓名:张文  张建利
作者单位:贵州草业研究所;贵州大学林学院;
基金项目:Supported by Innovative Capacity Building Projects of Guizhou Insti-tutions (Qianke [ 2009 ] 4013 ); Graduate Innovation Fund ofGuizhou Academy of Agricultural Sciences (Guizhou Academy ofAgricultural Sciences 2010010)~~
摘    要:
[目的]研究喀斯特山地草地植物群落优势种植物的种类、数量以及群落特征,为喀斯特山地草地植被恢复提供支持。[方法]采用标准样地调查法,对不同海拔、坡向的植物群落数量特征展开研究。[结果]不同海拔高度中禾本科植物重要值和优势度最高,但其重要值和优势度随样点海拔的升高呈现出下降趋势;优势种数目随着海拔升高呈现出增加趋势。[结论]海拔是影响植物群落结构的主要因素。

关 键 词:喀斯特  草地植物  群落  物种优势度  优势种

Analysis of the Species Dominance & Dominant on the Karst Mountain Grassland Plant Community
ZHANG Wen,ZHANG Jian-li .Guizhou Institute of Prataculture,Guiyang ,.Forest College,Guizhou University,Guiyang. Analysis of the Species Dominance & Dominant on the Karst Mountain Grassland Plant Community[J]. 农业科学与技术(英文版)Agricultural Science & Technology, 2011, 0(7)
Authors:ZHANG Wen  ZHANG Jian-li .Guizhou Institute of Prataculture  Guiyang   .Forest College  Guizhou University  Guiyang
Affiliation:ZHANG Wen1,ZHANG Jian-li2 1.Guizhou Institute of Prataculture,Guiyang 550006,2.Forest College,Guizhou University,Guiyang 550025
Abstract:
[Objective] The aim was to study the species,quantity and community traits of dominant plant in karst mountain grassland plant community so as to provide support for the vegetation restoration in karst mountain grassland.[Method] Standard plot sites investigation method was used study the quantity traits of different plant communities of different altitudes and slopes.[Result] The IV & SDR4 were the highest in the all plot sites of plant community on the kasrt mountain grassland,but the IV & SDR4 were showe...
Keywords:Karst  Grassland plant  Community  Species dominance  Dominant  
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