Next to the park is a stretch of peat-swamp forest, mostly degraded but rich in carbon.
紧靠着公园的是一片连绵的泥炭沼泽森林，大部分已经退化，不过富含碳元素。
2
Dajiuhu wetland is a sparse type of subalpine wetland in our country, especially famous for its peat-swamp wetland which has uniqueness, typicality and representativeness.
大九湖湿地是我国较为稀少的亚高山湿地，其泥炭沼泽湿地类型更具有独特性、典型性、代表性。
3
Thick accumulations of peat can form only if the swamp basin slowly subsides.