摘要
社会经济快速发展带来的环境问题使人们日益重视生态环境保护与修复。基于生态弹性力的概念,从生境、水文及气候等3个方面构建了生态弹性力评价指标体系,并运用层次分析法(AHP)得到各个指标在生态弹性力评价中的权重。以安徽省为例,对生态弹性力的时空变化及影响因素进行了分析和评价。结果表明,在1995—2014年间,安徽省生态弹性力呈现下降趋势,主要是受土地利用变化如耕地和林地减少、建设用地增加的影响,同时地下水资源量的减少对生态弹性力下降有很大作用。从空间分布来看,安徽省生态弹性力由南向北呈现递减规律,空间上的差异主要受水资源量和土地利用类型的影响。该研究结果可为安徽省生态弹性力的治理与保护提供科学参考。
Ecological environment protection and restoration have attracted more and more attentions because of the severe environmental problems caused by fast social and economic developments. Based on the concept of ecological resilience, this paper constructed an index system of ecological resilience in terms of climate, hydrology and habitat, and the analytic hierarchy process(AHP) method was used to obtain the weights of these indices in the system. Taking Anhui Province as an example, this paper calculated the ecological resilience and analyzed its spatial and temporal variations. The results showed that the ecological resilience presented a downward trend during the period from 1995 to 2014, which was mainly affected by the decrease of farmland, forest, and groundwater resources and the increase of construction land. For the spatial distribution, the ecological resilience showed a decreasing trend from south to north, which was caused by the differences of water resources and land uses.This research can provide a scientific reference for the protection of ecological elasticity in Anhui Province.
作者
豆明伟
唐莉华
徐翔宇
杨大文
DOU Mingwei;TANG Lihua;XU Xiangyu;YANG Dawen(Department of Hydraulic Engineering,Tsinghua University,Beijing 100084,China;Water Resources and Hydropower Planning and Design General Institute,Ministry of Water Resources,Beijing 100120,China)
出处
《生态科学》
CSCD
2018年第6期184-190,共7页
Ecological Science
基金
国家重点研发计划(No.2016YFC0401303)
关键词
生态弹性力
层次分析法
指标体系
安徽省
ecological resilience
analytic hierarchy process
index system
Anhui Province
