Related by context. Frequent words. (Click for all words.) 67 Yangtze rivers 58 river deltas 58 Huaihe 58 tributary rivers 57 rivers 56 Yamuna rivers 55 toxic algal blooms 55 Brahmaputra River 55 migrated northward 54 Poyang Lake 54 migrating northward 54 Syr Darya 54 Amu Darya 54 Mekong basin 53 Omo River 53 overflowing reservoirs 53 freshwater habitats 53 salinization 53 Bus plunges 52 Yunnan Guizhou 52 streams creeks 52 rainbow smelt 52 glacial melt 52 Snowmelt 52 humpback chub 52 Turntablism v. mashups 52 Dongting Lake 52 deplete oxygen 52 Ganga Yamuna 52 river drainages 52 Upper Snake River 52 wetland ecosystems 52 Xijiang River 52 tributaries 51 shortnose sturgeon 51 By MIKE SACCONE 51 Rushikulya 51 Coral bleaching 51 headwater 51 mussel species 51 riparian habitats 51 Heilong River 51 Boat capsizes 51 Irrawaddy dolphin 51 Soil erosion 51 Allegheny Monongahela 51 Brahmaputra 51 Melting glaciers 50 fertile flood plains 50 Yangtze 50 river Brahmaputra 50 Damming 50 endangered pallid sturgeon 50 Qinghai Tibet plateau 50 Yangtze river 50 oxbows 50 tiger subspecies 50 captive giant pandas 50 severe droughts 50 freshwater mussels 49 Qiantang River 49 Yangtse 49 toxic algae blooms 49 Three Gorges Reservoir 49 Species Found 49 Cuu Long 49 Taihu Lake 49 salinisation 49 eastern Dakotas 49 aquatic insect 49 rivers lakes 49 Indus basin 49 Whales dolphins 49 creeks rivers 49 peat swamps 49 Body Pulled 49 deltaic 49 Acidification 49 rapid snowmelt 49 aquatic invertebrates 48 ecoregion 48 Prakasam barrage 48 Yangtze River 48 Ghaghra 48 Subarnarekha 48 By LOU BABIARZ 48 By Amy Boerema 48 Indravati 48 Hydropower Station 48 KINSHASA Congo Fabulous 48 wetland ecosystem 48 bd.className + = 48 By RUSS PULLEY 48 Nagarjuna Sagar 48 tidal Potomac 48 Sichuan Shaanxi 48 freshwater 48 Algae blooms 48 Mahanadi river 48 navigable rivers 48 mountain snowpacks