【摘要】 空气负离子在空气中含量的多少是生态环境优劣的标志 .在一定浓度下 ,空气中的负离子对人体具有保健、治病的功能 ;它是促使人们回归大自然的源动力 ,是建立疗养地和开展生态旅游的前提条件 ,是旅游景区深度开发的关键 ,是旅游城镇规划建设的重要内容 ,保护空气负离子是旅游可持续发展的基础更多还原

【Abstract】 The content of the anion in the air is the mark of ecological enviroment quality. A certain concentration of the air anions has the functions of healthcare and curing to the human. The air anion is the motivity of urging the people to return to the nature, the premise condition of establishing recuperation zone and developing ecotourism, the key of further developing scenic spots , the important content of planning tourism cities and towns. Therefore, it is the foundation of sustainable development of tourist industry to protect anion in the air.更多还原