After a consultation with 30 experts and an investigation in 40 natural areas in Zhejiang province, the author uses Delphi and factor analysis as tools to identify effective indicators and thus develops an ecotourism certification indicator framework.

• 通过对30位专家的访问和对浙江省40个自然景区的实地调查,采用德尔菲法(Delphi)和因子分析,对指标进行筛选,构建了生态旅游认证指标体系。