Related by context. Frequent words. (Click for all words.) 68 overfishing 59 overfished 58 overharvesting 56 ocean ecosystems 55 Invasive species 55 overexploitation 53 marine ecosystems 52 fisheries 52 bluefin 52 bycatch 52 fishery 51 Poaching 51 coastal ecosystems 50 marine ecosystem 49 fishing fleets 49 ocean acidification 49 salmon fishery 49 Global warming 49 coral reefs 49 eutrophication 48 nutrient pollution 48 bluefin tuna 48 bottom trawling 48 Pollution 47 acidification 47 Atlantic bluefin 47 reefs 47 groundfish 46 salmon fisheries 46 Deforestation 46 marine biodiversity 46 freshwater 46 orange roughy 46 wild salmon 46 Urbanization 45 species 45 endangered whales 45 hake 45 eelgrass 45 sturgeon 45 Populations 45 Droughts 45 cod 45 toxic algae 45 chinook salmon 45 herring 45 Piracy 44 fish 44 leatherbacks 44 saltwater intrusion 44 sea otters 44 salmon 44 swordfish 44 aquatic ecosystems 44 Common Fisheries 44 algae blooms 44 Fishing 44 ecosystems 44 algal blooms 43 sockeye salmon 43 invasive species 43 krill 43 Lobstermen 43 red snapper 43 imperiled species 43 whitefish 43 environmental degradation 43 biodiversity 43 cormorants 43 oxygen depletion 43 overpopulation 43 trawlers 43 dugongs 43 freshwater fish 43 marine organisms 43 rockfish 43 extinctions 43 whales dolphins 43 king salmon 43 Coral reefs 43 mangrove forests 43 subsistence hunting 42 menhaden 42 coral bleaching 42 Whales 42 gill nets 42 Scallops 42 Zebra mussels 42 freshwater lakes 42 fishing 42 sturgeons 42 anchovy 42 billfish 42 striped bass 42 gizzard shad 42 shellfish beds 42 endangered species 42 tilefish 42 Halibut 42 Shellfish 42 NMFS