Evaluation was conducted for the ecological service functions of Liaohe River Delta wetland using the commonly used methods such as current international market analysis, cost analysis, shadow projection and alternative expenses analysis. The significance of protection of wetland resources was highlighted.%采用国际通用的市场价值法、成本法、影子工程法和替代法,对辽河三角洲湿地服务功能价值进行评估研究,诠释了保护湿地资源的重大意义.
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