中文摘要：

以湖南农业生态水资源库为研究对象，分析了其脆弱性成因和主要表现．从脆弱性成因角度构建了包含10个具体指标的湖南生态水资源库脆弱性评价指标体系，运用模糊物元评价模型对85个县级评价单元的农业生态水资源库脆弱度进行综合评判．结果表明：全省农业生态水资源库脆弱性等级以中等脆弱为主，其中，微脆弱等级11个，占总评价单元的12．9％；中等脆弱等级74个，占总评价单元的87．1％．脆弱度空间分布存在“西部大于东部，南部大于北部”的总体分布态势．其中，以湘西北、湘西南和湘南所构成的外部环形地带和以长沙、衡邵盆地为中心的中东部地带为全省两个比较明显的高脆弱区（带）．

英文摘要：

On the basis of the cause of vulnerability, an evaluation index system on the vulnerability of agricultural water resource bank, including 10 concrete indices, is constructed for Hunan prow ince. The ten indices include precipitation, surface water subsystem, soil water subsystem, vegetable water subsystem and economic subsystem, and then the evaluation index system of vulnerability of agricultural ecological water resource bank in Hunan province is established using analytic hierarchy process （AHP）. The vulnerability indices of ecological water resource bank are calculated foe the 85 counties of Hunan province using fuzzy matter element analysis method; three grades （high, medium and low） are used in the evaluation index system. The main findings are： （1） Most counties show a medium vulnerability. The low and medium vulnerabilities account for 12.9% and 87.1% in the 85 counties, respectively. （2） The spatial distribution pattern shows that the vulnerability in the west （or south） regions is higher than that in the east （or north） regions. There are two pronounced high vulnerability zones, the exterior circle zone formed by the northwest, southwest and south of the province, and the central-east zone centralized by Changsha and Hengshao basin.