composed primarily of peatland mire bog Peatland morass https://en.wikipedia.org/wiki/Peatland wetland A wetland ecosystem which accumulates acidic peat, a deposit of dead plant material. muskeg Geonames:H.BOG peat bog TGN:21304 FTT:983 FTT:185 FTT:281 LTER:402 SWEETRealm:Peatland EcoLexicon:peat_bog FTT:1061 envoPolar SPIRE:Bog LTER:70 peat soil wetland ecosystem