Aero-anion ecological efficacy in six types of plant communities.

Journal of the Zhejiang Forestry College Pub Date : 2010-04-20 DOI:10.11833/J.ISSN.2095-0756.2010.02.004

Shi Yanjun, Yu Shu-quan, Zheng Qinglin

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引用次数: 3

Abstract

A comparison of 1.5 m above ground aero-anion and positive air ion concentration for six plant communities，Pinus massoniana，Sapindus mukorossi，Magnolia grandiflora，Phyllostachys praecox，Cunninghamia lanceolata，Lagerstroemia indica，and turf grass，was conducted using a correlation analysis with relative humidity，temperature，solar radiation intensity，and ultraviolet radiation intensity. Results showed that compared to a corresponding open space，the aero-anion effect was better in each plant community，and their individual aero-anion concentration was in the order of P. massoniana＞S. mukorossi and M. grandiflora＞P. praecox＞C. lanceolata＞L. indica＞turf grass. According to the diurnal variation curve between 7 : 00 and 19 : 00，the aero-anion concentration tended to double peak from 9 : 00 - 10 : 00 and 15 : 00 - 16 : 00. A correlation analysis showed a significant（P＜0.01） positive correlation （r = 0.702） between aero-anion concentration and relative humidity，a significant（P＜0.05） negative correlation（r = － 0.637） between aero-anion concentration and temperature，a negative correlation（r = － 0.191） between aero-anion concentration and solar radiation intensity，and a significant（P＜0.05） positive correlation（r = 0.580） between aero-anion concentration and ultraviolet radiation intensity（UVB）.［Ch，2 fig. 3 tab. 15 ref.］

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6种植物群落的空气负离子生态效应。

利用相对湿度、温度、太阳辐射强度和紫外线辐射强度的相关分析，比较了马尾松(Pinus massoniana)、无子松(Sapindus mukorossi)、广玉兰(Magnolia lanolia)、毛竹(Phyllostachys praecox)、杉木(Cunninghamia lanceolata)、紫薇(Lagerstroemia indica)和草坪草6个植物群落1.5 m以上空气负离子和正离子浓度。结果表明:与相应的开放空间相比，各植物群落的空气负离子效应较好，其个体空气负离子浓度依次为马尾松>马尾松;牡丹和桔梗>P。早熟> C。生长状况> L。籼稻>草坪草。从7∶00 ~ 19∶00的日变化曲线看，9∶00 ~ 10∶00和15∶00 ~ 16∶00，空气负离子浓度呈双峰趋势。相关分析表明，空气负离子浓度与相对湿度呈正相关(P<0.01)， r = 0.702;空气负离子浓度与温度呈负相关(P<0.05)， r = - 0.637;空气负离子浓度与太阳辐射强度呈负相关(r = - 0.191);空气负离子浓度与紫外线辐射强度呈显著正相关(r = 0.580)。[Ch,2，图3]15 ref。)

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Journal of the Zhejiang Forestry College

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