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当前位置: 首页 > 文章 > 围栏封育对半干旱区植物群落稳定性的影响 甘肃农业大学学报 2011,46 (5) 92-96
Position: Home > Articles > Effects of fencing on stability of plant community in semi-arid area Journal of Gansu Agricultural University 2011,46 (5) 92-96

围栏封育对半干旱区植物群落稳定性的影响

作  者：
王黎黎;张克斌;程中秋;常进;张静雯;苏鹏飞;王晓
单  位：
北京林业大学水土保持学院
关键词：
封育;稳定比;群落稳定性;半干旱区
摘  要：
以宁夏回族自治区盐池县柳杨堡人工封育区植被为研究对象,利用法国生态学专家Godron提出的方法测定植被稳定性.结果表明:研究区的5个样地(核心区、边缘区、外围区、新翻区和对照区)植物群落的稳定比分别为38/62、34/66、34/66、41/59和36/64,与稳定点20/80均有很大差距,表明柳杨堡封育区的植被群落不稳定.其中边缘区和外围区的稳定性相对较好,其次依次为对照区、核心区和新翻区,说明封育可以使植物群落的组成趋于稳定,但是长期完全封育也不利于群落的稳定,且带状翻耕并不利于群落的稳定性,建议进行适当的放牧或刈割.
译  名：
Effects of fencing on stability of plant community in semi-arid area
作  者：
WANG Li-li,ZHANG Ke-bin,CHENG Zhong-qiu,CHANG Jin, ZHANG Jing-wen,SU Peng-fei,WANG Xiao(College of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China)
关键词：
fencing;stabilization ratio;community stability;semi-arid area
摘  要：
Taking the vegetation of Yanchi County of Ningxia Hui Autonomous Region as the study object,the stability of the vegetation was determined using the method proposed by French ecologist Godron.The results indicated that the stability ratio of five sample plots(core area,edge area,outside area,new plowing area and control area)were 38/62,34/66,34/66,41/59 and 36/64 respectively.There was a big gap between the stability ratio of all the five plots and stable point 20/80,which indicated that the vegetation of Liuyangpu fencing area was not stable.The stability of edge area and outside area were relatively superior,then followed by control area,core area and new plowing area.So fencing was an effective measure to making plant community tending towards stability,but a long time complete fencing was detrimental to the stability of plant community.Strip tillage was detrimental to the stability of plant community.And it was suggested that grazing or cutting could be used in this region for rangeland and pasture rehabilitation.

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