期刊
CHINESE SCIENCE BULLETIN
卷 58, 期 6, 页码 662-670出版社
SCIENCE PRESS
DOI: 10.1007/s11434-012-5529-9
关键词
wetland carbon pool; inventory approach; remote sensing; soil carbon density; wetland vegetation
资金
- National Science and Technology Supporting Program [2012BAJ24B01]
- National High Technology Research and Development Program of China [2009AA12200307]
- Program of the State Key Laboratory of Remote Sensing Science [Y1Y00247KZ, Y1Y00232KZ]
- National Natural Science Foundation of China [41201445]
Accurate estimation of wetland carbon pools is a prerequisite for wetland resource conservation and implementation of carbon sink enhancement plans. The inventory approach is a realistic method for estimating the organic carbon pool in China's wetlands at the national scale. An updated data and inventory approach were used to estimate the amount of organic carbon stored in China's wetlands. Primary results are as follows: (1) the organic carbon pool of China's wetlands is between 5.39 and 7.25 Pg, accounting for 1.3%-3.5% of the global level; (2) the estimated values and percentages of the organic carbon contained in the soil, water and vegetation pools in China's wetlands are 5.04-6.19 Pg and 85.4%-93.5%, 0.22-0.56 Pg and 4.1%-7.7%, 0.13-0.50 Pg and 2.4%-6.9%, respectively. The soil organic carbon pool of China's wetlands is greater than our previous estimate of 3.67 Pg, but is lower than other previous estimates of 12.20 and 8-10 Pg. Based on the discussion and uncertainty analysis, some research areas worthy of future attention are presented.
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