Fig. 3

Active carbon components of soil organic carbon under different vegetation in Qinwangchuan salt marsh wetland (a, DOC. b, EOC.c, MBC. d, POC). Different lowercase letters in the same column indicate significant differences among plots (p < 0.05). SC Suaeda corniculata, SE Salicornia europaea, TR Tamarix ramosissima, PA Phragmites australis. For definition of the parameter abbreviations see Table 1