According to international definitions, there are four kinds of main participants in ecotourism: tourists, the tourism industry, the residents of tourism destinations, and the regulators, or government bureaucrats. They each play different roles and make different demands on ecotourism.
國際間定義的生態旅遊系統牽涉到遊客、旅遊業者、旅遊地居民、管理者等四種參與者，他們各有不同需求和關聯。