Related by context. Frequent words. (Click for all words.) 58 acre impoundment 56 forested wetlands 56 freshwater mussels 55 Kaskaskia River 55 mussel species 54 shortnose sturgeon 54 spawning beds 53 tributary rivers 53 streambanks 53 breakwalls 53 tributary streams 53 Grassy Island 53 Sewage spill 52 creeks rivers 52 dump raw sewage 52 Milfoil 52 Talmadge Creek 52 Pecatonica River 52 shallow bays 51 sea lampreys 51 Cattaraugus Creek 51 tidal marshes 51 Suisun Marsh 51 Habitat Restoration 51 aquatic weeds 51 river bottoms 51 Lake Bistineau 51 Shenango River 51 marsh 50 shoreline 50 coulees 50 Yolo Bypass 50 freshwater marshes 50 eelgrass beds 50 contaminated sediments 50 waterways 50 oxbows 50 reed canary grass 50 river drainages 50 Portneuf River 50 clam beds 50 invasive carp 50 humpback chub 50 seawater intrusion 50 wetlands 49 Altamaha River 49 salmon hatchery 49 spartina 49 Aquatic Preserve 49 Impoundment 49 lakeshores 49 shorelines 49 spawning habitat 49 aquatic habitat 49 Willapa Bay 49 forebay 49 Bolinas Lagoon 49 lakes 49 zebra mussel 49 endangered pallid sturgeon 49 rusty crayfish 49 Kinnickinnic River 49 Pend Oreille River 49 eel grass 48 recharge groundwater 48 salmon fry 48 stormwater discharge 48 Chartiers Creek 48 toxic sediments 48 aquatic vegetation 48 aquatic habitats 48 riparian forest 48 Au Sable 48 Pere Marquette River 48 stormwater ponds 48 Flowage 48 deplete oxygen 48 wet meadows 48 bass bluegill 48 Bushkill Creek 48 Ocklawaha River 48 Zebra mussels 48 harmful algae blooms 48 quaggas 48 Missisquoi Bay 48 giant salvinia 48 creek overflowed 48 inland bays 48 wetland habitat 48 riparian buffer 48 Watershed Partnership 48 Conemaugh River 48 Controlled burns 48 Coralville Reservoir 48 freshwater marsh 48 lampreys 48 Codorus Creek 48 embayment 48 coastal dune 48 Missing Boater 48 wetland restoration