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南京地区主要森林类型空气负离子变化特征(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2012年02期
Page:
147-150
Column:
研究简报
publishdate:
2012-04-10

Article Info:/Info

Title:
Preliminary study of the variation of air anion in different forest stands in Nanjing city
Author(s):
TAO BaoxianZHANG Jinchi*
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
Keywords:
forest type air anion Nanjing area
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2012.02.030
Document Code:
A
Abstract:
The air anion content of Cunninghamia lanceolata, Quercus acutissima, Phyllostachys pubescens, Pinus massoniana were observered in Nanjing. The results showed that daily variation of the content of air anion had only a singlepeak in C. lanceolata and Ph. pubescens, and a double-peak in Q. acutissima, however the difference of the daily variation of the air anion in the four forest stands were insignificant. The monthly variation of air anion in the four forest stands were similar and performed a single-peak each. Variation of the air anion contents of different seasons in the four forest stands were in a descending order of summer, autumn, spring and winter, the difference was significant. The average content of air anion in C. lanceolata, P. massoniana, Q. acutissima, Ph. pubescens were 1 234, 1 387, 1 157, 1 198 ions/cm3 respectively. The most important factor that affected the content of air anion was crown density, followed by productivity and forest vertical structure.

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Last Update: 2012-04-10