In the sod and peat layer, Total mercury of Carex lasiocarpa marsh> Carex meyeriana marsh> Calamagrostis angustifolia marsh, it was consistent with the seeper.

• 在草根层和泥炭层土壤中,总汞含量为毛果苔草沼泽＞乌拉苔草沼泽＞小叶樟沼泽,与积水条件一致;