Title: Global Climate Change and Research of Soil Organic Carbon in Coastal Wetland
Abstract: Global climate cycle and carbon balance are one of the cores of current research in climate change and regional sustainable development,also one of the topics in a series of large-scale international cooperation in scientific research.One of the highlights in global change and terrestrial ecosystem research is on carbon cycle in wetland ecosystem.Wetland soil is the source and sink of various green gas and important pool of organic carbon with high carbon density and long-term of storage.The distribution area of global coastal wetland is approximately 203×103 km2,and the accumulation rate of carbon in coastal wetland is 210±20 g C· m-2· a-1 which is much higher than peat wetlands.Methane's emission is also inhibited due to the large amount of SO2-4 ions in coastal wetland soil.Hence,it's more obvious of the inhibition effect on green gas emission in coastal wetland.Although Yancheng coastal wetland is induced in the list of world key wetlands of international importance,the characterization of organic cycle and distribution of soil organic carbon are still no reports.It's essential for us to study on the changes of organic carbon storage in wetland soil and it's distribution in soil profiles,it's also important for us to understand the relationship between carbon storage and carbon cycle in terrestrial ecosystem,and to provide scientific basis for evaluation and protection coastal wetland ecosystem.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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