| 茶园生态系统氟的生物地球化学循环 |
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| 引用本文： | 郑达贤,沙济琴.茶园生态系统氟的生物地球化学循环[J].亚热带资源与环境学报,2011,6(3):1-8. |
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| 作者姓名： | 郑达贤 沙济琴 |
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| 作者单位： | 福建师范大学地理研究所,福州,350007 |
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| 摘 要： | 根据近年作者及相关研究成果，提出一般茶园（非F污染区，非高F地质背景区）生态系统F的生物地球化学循环模型，估算茶园生态系统各子系统F的库容和库之间的F流量，分析茶园生态系统F的生物地球化学特征．结果表明：1）茶园生态系统F的惰性库：调节库：活动库为239：4：1，活动库占总库容的比例高达0．41％，其比例是非常高的；2...
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| 关 键 词： | 茶园 生态系统 氟 生物地球化学循环 |
The Biogeochemical Cycle of F in Tea Garden Ecosystem |
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| Abstract: | Based on the data from recent researches, a model on the biogeochemical cycle of F in tea garden ecosystem was conceptualized, and the capacity of F pools, the flows of F between the components and characteristics of the ecosystem were analyzed. Results indicated： 1 ） The capacity proportions of the inert pool, regulate pool and active pool of F in the ecosystem are 239 ：4 ： 1. The active pool occupies a great proportion of 0. 41% in total F of the system; 2） The outside cycle of F shows a positive balance, the proportion of receipts to expenditures of F amounts to 2 ： 1, and the expenditure of F is more through surface water than through groundwater; 3 ） There is a strong inner cycle of F （19.95 kg. hm-2 .a-1） in the tea garden ecosystem, because F is absorbed largely from soil by tea plant （18.62 kg .hm-2 . a-1） and stored mainly in the leaves （98%）, especially in old leaves, but largely returns to soil by leaching rainwater （ 10. 49 kg . hm-2 . a-1 ） , and by dead branches and leaves （8.54 kg . hm -2 . a-1 ） , the amount of F in inner cycle capacity of active pool, leading equals to a fast replacement rate of F in the chemical cycle of F is accompanied by processes such as F activation, compound form and F biological accumulation in tea garden ecosystem. 3.6 times as much as the F- active pool; 4） The biogeo- F transformation into organic |
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| Keywords: | tea garden ecosystem Fluorine biogeochemical cycle |
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