科研之友
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摘要
Urban forests have become an important place for urban residents leisure and recreation due to their multiple ecological and health care functions, People are paying more and more attention to the environmental health factors of forest health, and forest health tourism has gradually become an important part of the forestry industry in China. Therefore, researching and comprehensively evaluating the dynamic change laws of various health factors in the forest health and health environment has important practical guiding significance for guiding people to carry out health activities reasonably. This paper takes the three typical zones in Zhangjiajie Forest Park as the research object, and monitors the micro climate factors in the forest, the mass concentration of air particulate matter, the ozone concentration, the air anion concentration and other health and health environmental health factors throughout the year. and analyzes its temporal and spatial changes. The results show that the microclimate indicators in the forest have obvious seasonal variation characteristics. The annual average mass concentration of coarse (>2,5 mu m) and fine (<2.5 mu m) particles in the forest was lower than that of the control. The mass concentrations of particles of different sizes are higher in spring and autumn than in summer, In the three seasons, the ozone concentration in summer is higher than that in spring and autumn, and all have reached the national first-level standard. The concentration of negative air ions in the forest throughout the year and in each season increased by more than 15 times compared with the control area,
