中文摘要：

生态旅游资源是由生态旅游景观和生态旅游环境构成的一种特殊的旅游资源类型。科学地评价生态旅游资源,是合理开发利用生态旅游资源、挖掘潜力、促进生态旅游健康发展的前提。但现有旅游资源评价体系主要侧重于对资源现状评估,对旅游资源发展潜力考虑较少,往往导致生态旅游资源价值评估不够客观和全面,其潜力难以得到有效发挥。文章在综合分析生态景观资源、客源市场、生态环境和外在开发条件4个子系统及其协调互动关系基础上,尝试构建生态旅游资源潜力评价体系,采用“准主成分分析法”确定指标体系权重,并选取盐城海滨12处代表性湿地生态旅游资源进行评价研究,结果表明所构建的指标体系具有较好的可信度、较强的普适性和可推广性。

英文摘要：

Eeotourism resource is a special type of tourism resource constituted by eeotourism landscape and ecotourism environment. Scientific evaluation of ecotourism resources is precondition for reasonable ecotourism resources utilization and potential power exploration, which will promote the healthy development of ecotourism. However, the current system emphasizes existing tourism resources particularly, but it neglects the potential of tourism resources. This situation is deduced that evaluation of tourism resource value is usually not objective and comprehensive enough, and the potential value of ecotourism resources can not play effectively. The potential index system of ecotourism resources is an integrative and dynamic system, which composed organically by 4 subsystems, namely ecotourism landscape, tourism markets, ecological environment and other supporting factors of ecotourism. Based on a comprehensive analysis of 4 subsystems, this paper established an index system for potential ecotourism resources. The index weight coefficients are calculated with the quasi principle component analysis. Further, the paper gives a detailed analysis with the examples of twelve main ecotourism resources items in coastal wetlands of Yancheng. The main conclusions are as follows：（1）The potential system on ecotourism resources can properly reflect the dynamic changes process in spatial- temporal domain. （2）The indexes of ecotourism resource evaluation system make the beneficial complement to traditional evaluation system. （3）The quasi principle component analysis can be regarded as an effective and new instrument for calculating the index weight. （4）The potential appraisement result conforms to the existing conditions of Yancheng, which suggests that the system is scientific, reliable, and generalizable. （5）The coastal wetlands tourism resources can be classified into three grades, which should be developed gradually in each stage according to their respective scores. （6）The research reveals the main fac