Chinese Science Bulletin

, Volume 58, Issue 6, pp 662–670 | Cite as

Preliminary estimation of the organic carbon pool in China’s wetlands

Open Access
Article Geography

Abstract

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.

Keywords

wetland carbon pool inventory approach remote sensing soil carbon density wetland vegetation 

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Copyright information

© The Author(s) 2012

Authors and Affiliations

  1. 1.State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Institute of Remote Sensing ApplicationsChinese Academy Sciences and Beijing Normal UniversityBeijingChina
  2. 2.Ministry of Education Key Laboratory for Earth System Modeling, Center for Earth System Science, Institute for Global Change StudiesTsinghua UniversityBeijingChina
  3. 3.Department of Environmental Science, Policy and ManagementUniversity of CaliforniaBerkeleyUSA
  4. 4.College of Global Change and Earth System ScienceBeijing Normal UniversityBeijingChina

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