Related by context. Frequent words. (Click for all words.) 73 delta smelt 72 Delta smelt 56 endangered salmon 51 Endangered Species Act 50 Chinook salmon 50 chinook salmon 48 steelhead trout 48 coho salmon 48 endangered species 48 groundwater pumping 47 imperiled species 47 wetlands 47 salmon 47 salmon fishery 46 ocean ecosystems 46 fragile ecosystem 46 wild salmon 45 bull trout 44 hatchery fish 44 estuary 44 coho 44 sea otters 44 freshwater 44 NOAA Fisheries 44 polluted runoff 43 habitat designation 43 habitat 43 Wanger 43 northern spotted owl 43 National Marine Fisheries 43 Great Lakes basin 43 cutthroat trout 43 estuaries 43 coastal wetlands 43 Klamath River 43 red legged frog 43 sturgeon 42 Salton Sea 42 polar bear habitat 42 aquatic organisms 42 NMFS 42 groundwater 42 king salmon 42 toxic algae 42 Westlands Water District 42 steelhead 42 chinook 42 bluefin 41 wildlife habitat 41 marine ecosystem 41 NOAA Fisheries Service 41 bluefin tuna 41 piping plover 41 reservoirs 41 watersheds 41 fishery 41 Overfishing 41 San Joaquin 41 aquatic species 41 delta 41 wetland habitat 41 California condor 41 fragile ecosystems 41 spotted owl 40 migratory fish 40 Edwards Aquifer 40 Klamath Basin 40 freshwater lake 40 red grouper 40 Zebra mussels 40 aquatic ecosystems 40 ballast water 40 desert tortoise 40 atrazine 40 river basins 40 aquifer 40 shellfish beds 40 fish 40 Endangered Species List 40 plover 40 hydroelectric dams 40 overfishing 40 irrigators 40 marine ecosystems 40 Clean Water Act 40 shorebird 39 coastal ecosystems 39 sea lions 39 ecosystems 39 federally protected 39 River basin 39 Pacific Fishery Management 39 hatchery 39 Tuolumne River 39 sockeye salmon 39 sea lion 39 underground aquifers 39 Lake Okeechobee 39 endangered sea turtles 39 wildlife habitats 39 recreational anglers