摘要
从结构脆弱因子和胁迫脆弱因子2个方面筛选了8个评价指标构建了河口湿地生态环境脆弱性评价指标体系.根据相关文献资料和科研成果给每个指标赋值,并将具有不同量纲的指标进行标准化处理;应用层次分析法(AHP)确定每个指标的权重(W i),应用湿地生态脆弱性综合评价模型计算得出河口湿地生态环境脆弱性评价指数(EVI);根据河口湿地生态脆弱性评价指标体系,搜集1989年与2008年资料数据,评价泉州湾河口湿地生态环境脆弱性变化.研究得出,1989年与2008年泉州湾河口湿地生态环境脆弱性综合评价指数(EVI)分别为0.322 2和0.604 9,表明1989年泉州湾河口湿地处于轻度脆弱状态,2008年则处于重度脆弱状态.研究结果表明近年来泉州湾河口湿地生态环境脆弱性在不断恶化,评价结果与该区域的生态环境状况较为一致.
An indicator system comprising 8 factors from both structural and stress aspects was developed for the evaluation.Each indicator was assigned a numerical value according to the literatures and research results and was standardized according to different dimensions.The method of analytic hierarchy process（AHP） was used to determine the weights,and ecological vulnerability comprehensive evaluation model was applied to evaluate the eco-environmental vulnerability index（EVI） of estuarine wetlands of Quanzhou Bay.Finally,the eco-environmental vulnerability state was determined according to the assessment criteria of the estuarine wetlands.The results showed that the EVI of estuarine wetlands of Quanzhou Bay was 0.322 2 and 0.604 9 in 1989 and 2008,which represented a slight and a heavy fragile states,respectively.The results indicated that eco-environmental vulnerability of Quanzhou Bay has been deteriorating in recent years.The evaluation results are consistent with the ecological and environmental conditions of the study area.
出处
《应用海洋学学报》
CAS
CSCD
2013年第4期577-583,共7页
Journal of Applied Oceanography
基金
国家海洋局第三海洋研究所基本科研业务费资助项目(海三科2009063)
国家海洋局海洋公益性行业科研专项经费重点资助项目(200705029)
关键词
海洋环境科学
河口湿地
生态环境脆弱性评价
层次分析法(AHP)
泉州湾
marine environment
estuarine wetlands
eco-environmental vulnerability evaluation
analytic hierarchy process（AHP）
Quanzhou Bay
