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九龙江口红树林区秋茄植物组织中总汞的分布特征
CHARACTERISTICS of TOTAL MERCURY IN DIFFERENT KANDELIA CANDEL TISSUES of FUGONG MANGROVE FOREST RESERVE AT ESTURARY of JIULONGJIANG

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九龙江口红树林区秋茄植物组织中总汞的分布特征.pdf (799.0Kb)
Date
2011
Author
梁英
刘锡尧
袁东星
弓振斌
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  • 环境生态-已发表论文 [1287]
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Abstract
在枯水期和丰水期分别对福建九龙江口浮宫镇红树林保护区的成熟林分秋茄(kAndElIACAndEl)和秋茄幼苗分不同组织采样,研究了其中汞的分布特征,发现无论是成熟林分还是秋茄幼苗,总汞在各部位中的分布趋势相同,均为叶>皮>根>木质部,叶中总汞含量远高于其他植物组织中的含量,成熟林分秋茄叶中总汞含量为35--98 ng/g,幼苗叶中总汞含量为22--61 ng/g。推测秋茄叶片吸收大气中的汞是该红树林生态系统中汞来源的最可能途径。
 
In dry season and rainy season,different plant tissues of Kandelia candel in mature forest and seedling were sampled from Fugong Mangrove Forest Reserve at estuary of Jiulongjiang,Fujian Province of China.The concentrations of total Hg in different Kandelia candel tissues from both mature forest plant and seedling were in the order of the follows: leaf>>bark>root>xylem.The total Hg concentrations in the leaves were ranged from 35 to 98 ng/g in forest mature,and 22 to 61 ng/g in seedling.Adsorption of mercury from atmosphere by leaves was concluded as the most possible route of mercury in this mangrove ecosystem.
 
Citation
海洋湖沼通报,2011,(3):85-90
URI
https://dspace.xmu.edu.cn/handle/2288/108069

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