and the density of organic C in the range of ～8, ～9 and 9～9kg/m for marshy meadow,humus marsh,and peat fen,respectively.
and the density of organic C in the range of ～8, ～9 and 9～9kg/m for marshy meadow,humus marsh,and peat fen,respectively.
有机碳密度(单个剖面平均)分别为 ～8、 ～9和9～9kg/m 。