Related by context. Frequent words. (Click for all words.) 62 shoreline erosion 62 sediment runoff 61 sedimentation 61 nonpoint source pollution 60 nutrient loading 60 soil erosion 59 nutrient runoff 58 saltwater intrusion 58 toxic algae blooms 56 polluted runoff 56 aquatic ecosystem 55 siltation 55 Algae blooms 54 aquatic habitats 54 aquifer recharge 54 aquatic weeds 54 sediment 54 wetlands 53 seagrasses 53 channelization 53 eutrophication 53 nutrient pollution 53 aquatic vegetation 53 aquatic habitat 53 silting 53 groundwater extraction 53 groundwater pumping 53 wetland habitat 53 sanitary sewer overflows 53 stormwater runoff 52 erosion 52 wetland 52 nutrient absorption 52 dissolved oxygen levels 52 roadbeds 52 salinity 52 streambeds 52 rainwater runoff 52 deplete oxygen 51 groundwater recharge 51 harmful algal blooms 51 grassland habitat 51 spawning habitat 51 seagrass beds 51 riparian habitat 51 habitat fragmentation 51 silts 51 tidal wetlands 51 dam spillway 51 ecological degradation 50 sewage discharges 50 riparian buffers 50 freshwater wetlands 50 oxygen depletion 50 coastal erosion 50 Bushkill Creek 50 aquatic ecosystems 50 sewer overflows 50 pollution 50 wellfields 50 mussel species 50 stormwater pollution 50 wildlife habitat 50 habitat degradation 50 coastal ecosystems 50 Suisun Marsh 50 tidal marshes 50 algae blooms 49 streambed 49 eelgrass 49 acidification 49 vegetation 49 ocean acidity 49 freshwater marshes 49 marsh 49 sewage effluent 49 shoaling 49 eel grass 49 environmental degradation 49 waterways 49 watercourse 49 retention basins 49 waterbodies 49 Dunkard Creek 49 diking 49 silt 48 wetland habitats 48 creeks rivers 48 underwater grasses 48 headwater 48 overgrazing 48 wetland restoration 48 navigational hazards 48 ecological 48 shoreline 48 nesting habitat 48 Erosion 48 soil compaction 48 coulees 48 wastewater discharges 48 watersheds