The research reviews the researches on ecotourism development for the aero anion resources, measures and analyses aero anion density of Beishan National Forest Park in Qinghai province.
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- 摘要回顾空气负离子资源生态旅游开发的研究进展,并测定和分析了青海非山国家森林公园的空气负离子浓度。