WEI Jian-qun,ZHANG Ke-bin,YANG Jun-jie,et al.Study on Effects of Artificial Fencing on Rehabilitation of Vegetation in the Ecotone of Agriculture-animal Husbandry——Taking Yanchi County of Ningxia Hui Autonomous Region as an Example[J].Research of Soil and Water Conservation,2007,14(01):208-210,214.
封育对北方农牧交错带荒漠化地区植被恢复作用的研究——以宁夏盐池县为例
- Title:
- Study on Effects of Artificial Fencing on Rehabilitation of Vegetation in the Ecotone of Agriculture-animal Husbandry——Taking Yanchi County of Ningxia Hui Autonomous Region as an Example
- Keywords:
- ecotone of agriculture-animal husbandry; α-diversity index; β-diversity index; Yanchi county
- 分类号:
- X171.1
- 摘要:
- 盐池县位于我国北方的农牧交错带，是我国北方的一个典型的过渡地带，独特的地理位置也使该地区成为我国荒漠化的主要发生区。在分析植被盖度和生物量变化的基础上，采用α-多样性指数即Shannon-Wiener指数、Simpson指数、群落均匀度指数Js和β-多样性指数（相似性系数Cs）研究宁夏盐池县人工封育区的植被变化。分析得出农牧交错带实施封育对植被恢复的重要作用。
- Abstract:
- Yanchi county, Ningxia Hui Autonomous Region located in the ecotone of agriculture-animal husbandry of China is one of the representative belt in the north of China. Yanchi county is also one of the severity desertification area in China. Based on the vegetation cover degree and vegetation biomass, the biodiversity of grassland community in the artificial closure area, in Yanchi county, Ningxia Hui Autonomous Region was measured by using the methods of α-diversity index (including Shannon-Wiener index, Simpson index, Js which are community evenness indices) and β-diversity index (measured by similarity coefficients). The ecotone of agriculture-animal husbandry is an important measure using the artificial closure for the vegetation renewal.
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备注/Memo
收稿日期:2006-3-7;改回日期:。
基金项目:国家科技攻关项目（沙区大范围植被快速恢复技术研究2005BA517A04）；国家林业局项目（盐池荒漠化定位监测660550）
作者简介:魏建群（1980- ），男，硕士，主要研究方向为荒漠化防治与监测。
通讯作者:张克斌