江苏省滨海湿地生态系统健康评价研究

Health Assessment Research of Jiangsu Coastal Wetland Ecosystem

以江苏省滨海湿地为例,根据各个因素评价指标的典型性和数据的可获取性,利用遥感及GIS技术,基于小流域评价单元,依据"压力—状态—响应(PSR)"模型,提出了江苏省滨海湿地健康的综合评价方法,并对滨海湿地生态系统进行健康评价。结果表明,江苏省滨海湿地生态系统大部分地区处于健康良好状态,其中处于相对健康状态的面积占总面积的55.6%,处于一般和较差状态面积各占22.2%;在18个评价单元中健康状况最好是王家槽港—老坝港段流域,最差的是王港-竹港流域;滨海湿地压力在可承受范围内,湿地状态指数多处于一般和较差,湿地响应指数恶劣的是斗龙港一四卯酉港、四卯酉港一大丰港两段。

Taking coastal wetlands of Jiangsu Province as an example,this paper uses the assessment unit of small watershed and‘pressure-state-response（PSR）＇model to construct Jiangsu coastal wetlands healthy comprehensive evaluation model based on evaluation of various factors typical and data accessibility and remote sensing and GIS technology.Then we evaluate the health of coastal wetland ecosystems.The study show that most parts of Jiangsu coastal wetland ecosystem are in good health condition;55.6% of the total area regional health are in a relatively healthy,and general and poor condition area each account for 22.2% of the total area;in the 18 evaluation unit health status,the best health status is located in Wangjiacao to Laoba and the worst health is the Wanggang to Zhugang basin;the pressure index of wetlands can be accepted,and most of the state index state are general or poor,and the bad response index of wetland are Doulonggang to Simaoqiugang,Simaoqiugang to Dafenggang,respectively.