Effects of different desertification controlling measures on stability of plant community——Taking Yanchi County of Ningxia Hui Autonomouos Region as exampleChinese Full Text
HAO Zhi-ru;ZHANG Ke-bin;WANG Guan-qi;Key Laboratory of Soil and Water Consevation and Desertification Prevention and Control,Ministry of Education,Beijing Forestry University;
Abstract: Taking the vegetation of Yanchi County of Ningxia as the study object,and improved method which proposed by French ecologist Godron was used to measure the stability of the community under different control measures.The results indicated that the stability ratio of five sample plots（artificial cultivating core area,edge area,outside area,farmland to grass land,native pasture）were 37.82/62.18,36.46/63.54,35.75/64.25,39.35/60.65 and 41.39/58.61,respectively,which indicated that the vegetation of artificial cultivating area,farmland to forest land and native pasture in Yanchi County were not stable.Both artificial cultivating and returning farmland to forest land measures could improve the stability of plant community,and the artificial cultivating measure was more effective,but this measure could not last too long,and the optimum time should be 2to 3years.And with 2~3years as a cycle of rotational grazing could better promote the grassland restoration.
Keywords：
stabilization ratio; community stability; artificial cultivating; return the farmland to grassland; native pasture;
- DOI：
10.13432/j.cnki.jgsau.2014.04.018
- Series：
- Subject：
- Classification Code：
Q948.1
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