Related by context. Frequent words. (Click for all words.) 56 Niger delta 52 Niger Delta 51 deltas 50 Ogoniland 49 Forcados 49 riverine 47 estuary 47 restive Niger Delta 46 mangrove swamps 46 Irrawaddy Delta 46 Dokubo Asari 45 Yangtze river 45 Ijaw 44 Ogoni 43 estuaries 43 Escravos 43 swamps 43 river basin 42 creeks 42 reservoir 42 Ijaws 42 Mekong River 41 Bayelsa 41 rivers 41 Warri 41 Yangtze 40 MEND 40 marshes 40 peripheral canal 40 Atchafalaya Basin 40 SPDC 40 freshwater 40 waterway 40 Aral Sea 40 river basins 40 Delta 40 marsh 40 Bayelsa State 39 upstream 39 Sapele 39 tributary 39 Irrawaddy delta 39 Bakassi 39 Caloosahatchee 39 Apalachicola River 39 Casamance 39 wetlands 39 marshlands 38 basin 38 river 38 inland waters 38 downstream 38 Asari 38 levees 38 mangrove forest 38 oil 38 JTF 38 Indus River 38 Delta smelt 37 waterways 37 Abyei 37 Jonglei 37 fragile ecosystem 37 levee 37 tributaries 37 delta smelt 37 marshland 37 estuarine 37 Atchafalaya 37 coastal wetlands 37 oyster beds 37 Yangtze River 37 Niger Delta MEND 37 river valleys 36 coastal 36 floodplains 36 earthen levees 36 Hetch Hetchy 36 Amazon basin 36 Bonny Island 36 Lake Tanganyika 36 Klamath River 36 Mississippi River 36 flows 36 Agadez 36 Port Harcourt 36 canals 36 wetland habitat 36 watersheds 36 reservoirs 36 Friant 36 Itsekiri 36 Ogallala Aquifer 36 Indus river 36 cocoa producer 36 Brahmaputra 36 salmon fishery 35 Okah 35 Akwa Ibom 35 Barataria Bay 35 Irrawaddy