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Determination of Air Negative Ions Level in Shanghai Coastal Shelter Forests

  • Jianfeng ZhangEmail author
Chapter

Abstract

Air anion is known as “air vitamin” and is an important indicator for measuring air quality. In order to explore the effect of urban shelterbelt on improving the residential environment, the coastal shelter forest in Nanhui area of Shanghai was selected as the research plot, and the air negative ion level was analyzed and determined. The results showed that there were significant differences in the distribution of air anion in different land use patterns and forest stands; the negative ion levels varied with the stand species. The negative ion concentration in different land use modes is: forest land > community > park > village > agricultural land; in spatial distribution, the concentration of 10 m distance from the forest belt reaches 603/cm3, which is 13/cm3 and 85/cm3, respectively, more than that for the distance of 30 and 50 m; measured at different heights from the ground, the negative ion concentration at the surface is the highest, 2298/cm3; among different forest stands, Taxodium hybrid “Zhongshanshan” forest land (5667/cm3) and Ligustrum lucidum forest land (2048/cm3) can produce high concentration of air negative ions.

Keywords

Air negative ions Shelter forest Spatial distribution Environmental effect 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Institute of Subtropical Forestry of Chinese Academy of ForestryHangzhouChina

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