To be classified as a wetland, the presence of water must contribute to the formation of hydric soils, which are formed under flooded or saturated conditions persisting long enough for the ...

More information: Chuanxin Chao et al, The Performance of a Multi-Stage Surface Flow Constructed Wetland for the Treatment of Aquaculture Wastewater and Changes in Epiphytic Biofilm Formation ...

Wetlands are areas of the land that are covered by water for most of the time. They can form naturally or be man-made. If I told you I was visiting a bog, you might be wondering why I look so ...