Related by context. Frequent words. (Click for all words.) 54 freshwater 53 Algae blooms 53 creeks rivers 52 saltwater intrusion 51 plankton blooms 51 Recreational anglers 51 toxic algae blooms 51 water 51 spawning beds 51 overharvest 51 nutrient loading 50 polluted runoff 50 nutrient runoff 50 saltwater 50 oil sheens 50 tidal rivers 50 snook fishing 49 estuaries 49 freshwaters 49 shallow bays 49 groundwater withdrawals 49 dissolved oxygen levels 49 macroinvertebrates 49 deplete oxygen 49 sewage discharges 49 tributary streams 49 coastal estuaries 49 tidal waters 49 oxygen depletion 49 dam spillway 49 lake 49 algae blooms 49 shoreline erosion 48 sedimentation 48 flowage 48 aquatic vegetation 48 freshwater marshes 48 seagrasses 48 nearshore waters 48 toxic algae 48 brackish waters 48 dissolved oxygen 48 seagrass beds 48 upstream reservoirs 48 sediment runoff 48 upwellings 48 Dunkard Creek 47 Upper Klamath 47 thermocline 47 Floridan Aquifer 47 brackish 47 aquatic organisms 47 sediment 47 oxbows 47 salvinia 47 mussel species 47 turbid 47 Bull Shoals Dam 46 Lake Okeechobee 46 eel grass 46 Snowmelt 46 Soil erosion 46 clathrates 46 salination 46 nonnative fish 46 Ice jams 46 migrating salmon 46 Controlled burns 46 lakes 46 riparian vegetation 46 aquatic habitat 46 groundwater aquifers 46 aquatic ecosystem 46 silts 46 blackwater 46 Apalachicola River 46 rotting vegetation 46 aquatic invertebrates 46 harmful algal blooms 46 shorelines 46 Everglades ecosystem 46 unfishable 46 mudflat 46 tarpon fishing 46 hydrologic cycle 46 creek mouths 46 tailwaters 45 aquifer recharge 45 aquatic weeds 45 phytoplankton blooms 45 marsh 45 inshore waters 45 Lake Cachuma 45 aquatic insects 45 lakeshores 45 riparian zones 45 aquatic ecosystems 45 ponds 45 shoaling 45 reservoir 45 native brook trout