PENG Long,CHEN Sheng-bin,PENG Pei-hao.Establishment and Application of Assessment Indicator System for Biodiversity Conservation Priority on the County Scale—A Case Study in Ganzi Tibetan Autonomous Prefecture[J].Research of Soil and Water Conservation,2014,21(04):127-132.
县域生物多样性保护优先性评价指标体系构建与应用——以甘孜藏族自治州为例
- Title:
- Establishment and Application of Assessment Indicator System for Biodiversity Conservation Priority on the County Scale—A Case Study in Ganzi Tibetan Autonomous Prefecture
- Keywords:
- biodiversity; Ganzi Tibetan autonomous prefecture; index
- 分类号:
- Q16
- 摘要:
- 生物多样性保护优先性评估是生物多样性保护、管理和决策的重要手段，其中的关键步骤之一是评估指标体系的构建。以四川省甘孜州藏族自治州为研究对象，以县域为评价单元，选择物种层次和生态系统层次的8个指标（脊椎动物丰富度指数、特有性指数、濒危性指数、植物物种丰富度指数、自然生态系统的Shannon-Wiener多样性指数、自然生态系统濒危性指数、归一化植被指数（NDVI）、净第一生产力（NPP）指数）构建评价指标体系，然后采用熵权法对各评价指标赋权值，对该区的县域进行生物多样性现状综合评估。结果表明：康定县、理塘县生物多样性保护优先性综合评估指数最高；得荣县、乡城县评估指数最低，甘孜州各县现有自然保护区的分布比较合理。康定县、理塘县自然保护区分布面积最大，分别占该县域面积的44%和27%，生物多样性得到较好的保护。甘孜县和色达县为综合评估指数较高地区，但自然保护区的分布面积极小，建议增设不同级别自然保护区。
- Abstract:
- Biodiversity assessment is an important method for biodiversity conservation, scientific decision-making and administration. To create the assessment index system is the key to biodiversity assessment. In this study, the county area of Ganzi Tibetan autonomous prefecture in Sichuan Province was selected as the basic assessment unit, we created an assessment index system including 8 indicators such as vertebrate richness index, vertebrate endemism index, vertebrate endangered index, plant richness index, nature ecosystem diversity index, nature ecosystem endemism index, normalized difference vegetation index, net primary productivity index, which describe the biodiversity status from both species level and ecosystem level. The weight of each assessment index was confirmed with entropy. We use this method to evaluate the biodiversity status of this area, the results show that Kangding and Litang are the most important counties with richest biodiversity assessing scores, Derong and Xiangcheng are with poor biodiversity assessing scores. Compared assessment results with the distribution of nature reserve in the study area, the results can reflect clearly the difference of biodiversity status among different counties. The distribution area of nature reserve is large in Kangding and Litang, which accounts for 44% and 17% of the total county areas, respectively, and biodiversity is better protected in these two counties. The assessment results indicate that the biodiversity is rich in Ganzi and Seda, but the distribution area of nature reserve is small, it was suggested that is more nature reserves in this two counties should be established.
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备注/Memo
收稿日期:2013-09-04;改回日期:2013-10-22。
基金项目:环保公益性行业科研专项（201209027）；“十二五”国家科技支撑计划课题（2012BAC01B08）
作者简介:彭隆(1988-),男,四川乐山人,硕士生,主要从事生态与生物多样性。E-mail:18200142874@163.com
通讯作者:陈圣宾(1979-),男,山东济宁人,副研究员,博士,主要从事生物多样性与生态恢复研究。E-mail:chainpin@126.com