LUO Juan,LI Wei-dong,ZHANG Li,et al.The Plant Community Diversity and Its Effect on Air Cleanliness in Rongke Dongnanhai Residential Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(05):105-110.[doi:10.11942/j.issn1002-2767.2018.05.0105]
东南海居住区植物群落多样性及其对空气清洁度的影响
- Title:
- The Plant Community Diversity and Its Effect on Air Cleanliness in Rongke Dongnanhai Residential Area
- Keywords:
- air cleanliness; diversity; plant community; Rongke?Dongnanhai
- 文献标志码:
- A
- 摘要:
- 为明确居住区中植物配置及其对空气质量的影响,对融科东南海居住小区植物群落多样性及其对空气清洁度的影响进行了调查。结果表明:小区共有植物38科57属75种;植物群落中乔灌比越大,灌木和地被的多样性指数越低,而落叶乔木比例越大,其中下层植物多样性越高。Gleason指数表现为:乔木(1.609)>灌木(1.511)>地被(1.457);香农-维纳指数表现为:乔木(2.024)>地被(1.900)>灌木(1.887);Pielou指数表现为乔木(0.898)>地被(0.874)>灌木(0.859)。样地平均空气洁净度为0.197,等级为E2级,植物群落中乔灌比越大,其空气洁净度越高,落叶乔木比例越大,其空气洁净度降低;乔木层植物多样性指数与空气清洁度呈正相关变化,灌木和地被层植物多样性指数与空气清洁度呈负相关变化。
- Abstract:
- In order to clarify the plant configuration and its effect on air quality in residential areas,we investigated the plant diversity and its effect on air cleanliness in Rongke?Dongnanhai residential.The results showed that there were 75 species plants,belonged to 57 genera in 38 families.The more ratio of tree to shrub of plant community was greater,the more diversity index of shrubs and ground were lower.And the diversity of the lower plants increased with the increasing the percentage of deciduous arbors.The Gleason index ofarbor(1.609) was higher than that of shrub (1.511) and ground-cover(1.457).The changes of Shannon-Wiener index showed that of arbor (2.024) was higher than that of ground-cover (1.900) and shrub (1.877).Pielou index of arbor (0.898) was higher than that of ground-cover (0.874) and shrub (0.859).Average air 〖JP2〗cleanliness of sample ground was 0.197,and its grade was E2.The cleanliness of the air in sample increased with the increasing of ratio of tree to shrub.The cleanliness of the air in sample decreased with the increasing of ratio of deciduous tree.There was positive correlation between plant diversity index and air cleanliness in arbor layer,and there was negative correlation between shrub and ground cover diversity index and air cleanliness degree.
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