Acidity and conductivity of Pinus massoniana bark as indicators to atmospheric acid deposition in Guangdong, China |
| ------------------------------------------------------------------------------------------ |
|
出 版 社：Journal of Environmental Science |
|
发表时间：2006 |
|
台 站：鼎湖山森林生态系统定位研究站 |
|
作 者：KUANG Yuan—wen，ZHOU Guo—yi，WEN Da—zhi，LIU Shi—zhong
|
|
点 击 率：531603 |
| ------------------------------------------------------------------------------------------ |
|
关 键 字(英文)：acidity；conductivity：inncr bark；outer bark；Pinus massoftiafta |
| 摘 要(英文)：Abstract：Barks of Pinus massoniana collected from two polluted sites，Qujiang and Xiqiaoshan，and from the relatively clean site
Dinghushan wcrc used to evaluate the pol lution indication by the determination of their acidity and conductivity．The acidity of the
inner and outer barks from the polluted sites was significantly higher than those from the clean site，suggesting that the acidity of the
bark occured in concurrent with the air pollution．The significant lower pH values of the outer bark than the inner bark collected from
all sites indicated that the outer bark was more sensitive than the inner bark in response to acid pollution．implying that the outer bark
is more prefcrable when used as indication of atmospheric acid pollution．The conductivities of the inner barks difiered significantly
among the three sites，with higher values at the clean site．However，the significant difierences were not observed among these sites．Furtherm ore．the pH values for the inner and outer barks were not correlated with the conductivity，which did not coincide with some other studies． |
| ------------------------------------------------------------------------------------------ |
 Acidity and conductivity of Pinus massoniana bark as indicators to atmospheric acid deposition in Guangdong, China＿2006 Journal of Environmental Science 旷远文.pdf |
