五指山水满河热带雨林空气负离子分布与评价

Negative Air Ions Distribution and its Evaluation in Shuimanhe Tropical Rainforest of Wuzhishan Mountain

为研究热带雨林的空气负离子水平及空气质量,对海南五指山水满河热带雨林的空气负离子进行监测,并利用安倍空气质量评价标准和石强森林空气质量评价标准分别对其空气质量进行评价。结果表明:五指山水满河热带雨林空气负离子水平表现为夏半年高冬半年低,五指山保护区界碑处负离子含量最高,热带雨林风景区内次之,九曲桥和休息亭处负离子含量低。安倍空气质量评价标准的q值和CI值以及石强森林空气质量评价标准的p值的评价结果均体现为除九曲桥和休息亭外雨林内各测点的空气均为最清洁状态;FCI值则将各监测点的极显著差异直观地反映出来,夏半年雨林内空气质量为Ⅰ-Ⅵ级,冬半年为Ⅱ-Ⅵ级。

order to investigate the negative air ions in tropical rainforest,the concentrations of air ions were meas-ured by choosing Shuimanhe tropical rainforest of Wuzhishan Mountain as a monitoring spot.In addition,air quality was assessed with the air quality assessment index(q and CI)and evaluation index of forestry air ion(p and FCI)respectively.The results indicated that negative ion concentrations were highersummer than in winter.There was the highest negative ion concentration at the boundary of Wuzhishan nature?reserve,the concentrations in tropical rainforest scenic spot were all lower than those in boundary monument,and reached the lowest level at Jiuqu bridge and pavilion.Air quality was assessed using q,CI and p,which all showed the best air cleanliness in Shuimanhe tropical rainforest monitoring points except Jiuqu bridge and pavilion,but the FCI could reflect the extremely significant differences of the monitoring points,which showed that the air quality of summertime ranked around level I toⅥ,and ranked around level II toⅥduring wintertime.