Related by context. Frequent words. (Click for all words.) 72 delta smelt 70 Delta smelt 61 endangered salmon 56 freshwater mussels 54 migrating salmon 53 imperiled species 52 Chinook salmon 51 endangered species 51 bull trout 51 steelhead trout 50 coho salmon 50 marbled murrelet 50 Friant Dam 49 Endangered Species Act 49 pallid sturgeon 49 wild salmon 49 nutrient runoff 48 chinook salmon 48 salmon 48 saltwater intrusion 48 aquatic ecosystem 48 groundwater pumping 48 threadfin shad 47 caribou herd 47 aquatic habitat 47 polluted runoff 47 aquatic organisms 47 watersheds 47 Upper Klamath 47 underwater grasses 47 Cook Inlet belugas 47 wetland habitats 47 Klamath River 47 ocean ecosystems 47 federally endangered 47 fairy shrimp 47 northern spotted owl 47 dissolved oxygen levels 46 groundwater 46 salmon fishery 46 salinity 46 aquatic habitats 46 groundwater basin 46 spawning habitat 46 Coho salmon 46 spawning beds 46 spotted owl 46 freshwater 46 Endangered species 45 wetlands 45 coastal wetlands 45 sea otters 45 endangered species protections 45 longline fishing 45 Snake River dams 45 salmonids 45 hatchery fish 45 reservoirs 45 eelgrass 45 endangered 45 aquatic weeds 45 sea otter 44 overharvesting 44 loggerhead sea turtles 44 species 44 aquatic species 44 spotted owls 44 waterfowl habitat 44 wildlife habitat 44 migratory fish 44 black footed ferrets 44 Steller sea lion 44 riparian habitat 44 tidal wetlands 44 steelhead 44 river basins 44 red legged frog 44 cutthroat trout 44 sturgeon 44 Bald eagle 44 Mokelumne River 44 wetland habitat 44 marine ecosystems 44 habitat 44 Mexican gray wolf 43 Mexican gray wolves 43 endangered turtles 43 viral hemorrhagic septicemia 43 groundwater recharge 43 California condor 43 overhunting 43 invasive Asian carp 43 seagrasses 43 spring chinook salmon 43 sage grouse habitat 43 sage grouse 43 CalFed 43 salmon spawning 43 piping plover 43 freshwater wetlands 43 diking