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(Click for frequent words.) 74 estuaries 70 Estuary 70 waterway 67 tidal estuary 65 waterways 65 mudflats 64 estuarine 63 shoreline 63 wetlands 63 wetland ecosystem 63 coastal bays 62 tidal marsh 62 saltwater marsh 62 salt marsh 62 salt marshes 61 marshland 61 saltmarshes 61 river 61 wetland 61 marsh 61 saltmarsh 61 mudflat 61 tributary 61 salt marsh habitat 60 inland bays 60 mussel beds 60 freshwater 60 tidal wetlands 59 tidal waters 59 Menai Strait 59 mud flats 59 tributaries 59 intertidal 59 rivers 59 Sheepscot River 59 tidal marshes 59 Necanicum 59 river basin 58 tidal creek 58 marshes 58 scallop fishery 58 aquatic ecosystem 58 estuarine habitat 58 Loch Torridon 58 canal 58 tidal rivers 57 tidal wetland 57 tidal flats 57 eelgrass beds 57 coastal estuaries 57 freshwater marsh 57 eel grass 57 headwaters 57 tidal salt marsh 57 tidal inlet 57 seagrass beds 56 salmon spawning grounds 56 shellfisheries 56 Delaware Inland Bays 56 embayments 56 Aquatic Preserve 56 basin 56 mussel farms 56 Hylebos Creek 56 sewage outfalls 56 lagoon 56 polluted waterway 56 Chichester Harbour 56 Manukau Harbour 56 shorelines 56 Sakonnet River 56 inter tidal 56 Lewes Rehoboth Canal 56 Kaituna River 56 freshwater wetlands 56 Little Assawoman Bay 56 wetland habitat 56 brown trout fishery 56 rivers estuaries 56 saltwater estuary 56 watercourse 56 tern colony 56 outfall 56 River Estuary 56 saltwater marshes 55 Drakes Estero 55 Ballona Creek 55 Albemarle Pamlico 55 oyster reef 55 navigable waterway 55 marine ecosystem 55 eelgrass 55 watersheds 55 Caloosahatchee 55 Cockroach Bay 55 Medomak River 55 tidal flushing 55 fringing reef 55 oyster beds 55 Dee Estuary 55 reef 55 Ninigret Pond 55 River Itchen 55 Annisquam River 55 Lake Alexandrina 55 River Thurne 55 Wagonga Inlet 55 Nottawasaga River 55 shellfish beds 55 rivermouth 55 waterbody 54 freshwater habitats 54 estuarial 54 lake 54 seagrasses 54 tidal lagoon 54 Kickemuit River 54 lough 54 Tauranga Harbour 54 river catchments 54 Narrabeen Lagoon 54 freshwater wetland 54 estuarine ecosystems 54 Sengekontacket 54 Belfast Lough 54 Pumicestone Passage 54 algal bloom 54 catchment 54 Clam Bayou 54 Graveline Bayou 54 acid sulphate soils 54 toxic algal blooms 54 tidal estuaries 54 River Wandle 54 Severn estuary 54 Piankatank River 54 Broadkill River 54 Forth estuary 54 Quartermaster Harbor 54 sewage discharges 54 Bolinas Lagoon 54 Barnegat Bay 54 Peconic Estuary 54 coastal waters 54 reefs 54 Elkhorn Slough 54 weir 54 Severn Estuary 54 Lockwood Folly River 54 riparian corridor 54 ocean outfall 54 Alviso Slough 53 Great Ouse 53 undeveloped shoreline 53 Mooloolah River 53 Popponesset Bay 53 Lagunitas Creek 53 creeks 53 tidal creeks 53 migrating shorebirds 53 Rotorua lakes 53 tributary streams 53 mangrove forest 53 coastline 53 River Deben 53 wildlife habitats 53 tidewaters 53 Conimicut Point 53 Opihi River 53 piers docks 53 freshwater lake 53 polluted stormwater 53 clam beds 53 fishery 53 Sengekontacket Pond 53 Willapa Bay 53 wetland vegetation 53 wetland ecosystems 53 Madaket Harbor 53 pearl mussels 53 Sinclair Inlet 53 dredging 53 cockle beds 53 Barataria Basin 53 Duxbury Reef 53 striped bass fishery 53 watershed 53 Wreck Pond 53 coastland 53 lakes 53 brackish waters 53 canals 53 River Stour 53 shellfish harvests 53 migratory shorebirds 53 clam flats 53 River Tawe 53 jetty 53 Charlestown Breachway 53 waterfront 53 tidal tributaries 53 weirs 53 aquatic habitat 53 Wassaw 53 inshore waters 53 reedbeds 53 riverways 53 bays estuaries 52 ocean 52 otters 52 seagrass 52 outer harbor 52 creek 52 Inland Bays 52 Cheesequake Creek 52 polluted runoff 52 saltwater intrusion 52 eelgrass habitat 52 estuarine habitats 52 Brook tributary 52 Chagres River 52 tidal 52 River Wensum 52 River Great Ouse 52 kelp beds 52 Algal bloom 52 inshore fisheries 52 dune lakes 52 spawning habitat 52 Untreated sewage 52 mangroves 52 Driftwood Branch 52 sand dredged 52 shortnose sturgeon 52 shorebird habitat 52 Langstone Harbour 52 inland waterway 52 inlet 52 headland 52 oxbow 52 Tubli Bay 52 tidal basin 52 freshwater mussel 52 Hammonasset River 52 Tukituki River 52 Napatree Point 52 Humber Estuary 52 fragile ecosystem 52 shoaling 52 nearshore reefs 52 reedbed 52 intertidal zone 52 Nicomekl River 52 Carquinez Strait 52 outfalls 52 dredge spoils 52 Kaipara Harbour 52 estero 52 Estuarine Reserve 52 Menai Straits 52 Altamaha River 52 riverside 52 mussel populations 52 groundwater aquifer 52 tidal inlets 52 sandspit 52 sewage effluent 52 dredged material 52 Katama Bay 52 Whangarei Harbour 52 headlands 52 coastal ecosystems 52 habitat 52 harmful algae blooms 51 reed bed 51 harbor porpoise 51 Lake Rotoiti 51 Mobjack Bay 51 Caloosahatchee River 51 algal blooms 51 freshwater ecosystems 51 migratory fish 51 riparian habitat 51 rookery 51 Sungai Terengganu 51 Saugeen River 51 Chuitna River 51 Akaroa Harbour 51 salt marsh restoration 51 reed beds 51 wetland habitats 51 scallop dredging 51 oyster reefs 51 sockeye salmon fishery 51 River tributary 51 Nottoway River 51 seagrass meadows 51 Missisquoi Bay 51 Suisun Marsh 51 Waipaoa 51 gannet colony 51 riparian habitats 51 toxic algae 51 Mersey estuary 51 headwater 51 Tebrau Straits 51 aquatic ecosystems 51 sediment dredged 51 cetacean 51 Lavernock Point 51 Aquia Creek 51 freshwater ponds 51 Mersey Estuary 51 coastal wetlands 51 rockpool 51 bird sanctuary 51 oyster hatchery 51 Egans Creek 51 Magothy 51 Lake Cootharaba 51 riparian 51 Ngaruroro 51 Berners Bay 51 cockle fishery 51 Gualala River 51 aquatic grasses 51 tidepools 51 Campbeltown Loch 51 Houma Navigation Canal 51 pristine coastline 51 Stonington Harbor 51 Johnstone Strait 51 Mawddach 51 River Watershed 51 salmon hatchery 51 Thames estuary 51 Bahia Grande 51 River Exe 51 Estuaries 51 River Spey 51 waterbirds 51 coral reef 51 headwater stream 51 coastal dune 51 silt buildup 51 endangered coho salmon 51 Humber estuary 51 salmon spawning 51 Strangford Lough 51 freshwater lakes 51 Agua Hedionda 51 headpond 51 Breydon Water 51 dredge spoil 51 Waiwhakaiho River 51 Esopus Creek 51 Mamquam Blind Channel 51 watercourses 51 Honker Bay 51 Foss Waterway 50 Sinepuxent Bay 50 kaimoana 50 hardwood swamps 50 brook trout fishery 50 mangrove wetlands 50 Quonochontaug 50 dredged sediment 50 mangrove islands 50 Waquoit Bay 50 prawn fishery 50 Coastal Bays 50 Cockburn Sound 50 silt laden 50 bayshore 50 Haro Strait 50 Lough Neagh 50 saltwater estuaries 50 Skomer 50 Kuiseb River 50 Motuihe 50 culverted 50 waterside 50 Skomer Island 50 Exe estuary 50 St. Lucie Estuary 50 dam removals 50 oyster fishery 50 Carlingford Lough 50 Llangollen Canal 50 shorebirds 50 Cohansey River 50 marine ecology 50 San Elijo Lagoon 50 habitats 50 Anclote River 50 Didemnum 50 Escatawpa River 50 Tulloch Reservoir 50 Sewage spill 50 Maroochy River 50 Kilchis 50 oxbows 50 habitat restoration 50 Lough Foyle 50 Bayou Texar 50 Macquarie Marshes 50 outfall pipes 50 Langebaan Lagoon 50 eelgrass meadows 50 Furnace Pond 50 sandbanks 50 Lough Mask 50 creosote pilings 50 river basins 50 navigable rivers 50 Wetland 50 Cleddau 50 creeks rivers 50 Dungeness River 50 Outer Harbor 50 Mullica River 50 Manatee Pocket 50 Belle Greve 50 Estuarine 50 recreational fishery 50 groyne 50 tideflats 50 Rivanna River 50 Albemarle Sound 50 snapper fishery 50 Ohau Channel 50 Cobscook Bay 50 Delaware Estuary 50 Piankatank 50 River basin 50 wetland restoration 50 Stump Pass 50 inland waterways 50 tidelands 50 Mothball Fleet 50 sediment 50 Watershed 50 Olifants River 50 Apalachicola River 50 La Parguera 50 salinity 50 Prawle Point 50 salmon fishery 50 Mispillion River 50 freshwater aquifer 50 Merrymeeting Bay 50 Wetlands 50 Nauset Marsh 50 heron rookery 50 Watersheds 50 wild sockeye salmon 50 raw sewage discharges 50 shorebird 50 estuarine waters 50 Pootatuck River 50 mussel harvesting 50 shellfish 50 Dyes Inlet 50 Indus delta 50 intertidal habitat 50 Twofold Bay 50 Bight 50 Narragansett Bay 50 foreshores 50 intracoastal waterway 50 Lough Corrib 50 brackish marshes 50 Ogeechee River 50 Tacoma Commencement 50 Queets River 50 upland habitats 50 greenspaces 50 aquatic fauna 50 silting 50 blanket bog 50 sewage outfall pipe 50 unspoilt coastline 50 Mattawoman Creek 50 riparian zones 49 sturgeon spawning 49 Shannon Estuary 49 sandy cove 49 spartina 49 Lake Manapouri 49 Algae blooms 49 Burry Inlet 49 Skeena River 49 rocky intertidal 49 trout fishery 49 Hylebos 49 Clam Pass 49 aquatic species 49 flowway 49 Hawkesbury Nepean River 49 Wanaque Reservoir 49 Ariake Sea 49 Barwon River 49 Loch Sunart 49 Wakool River 49 marine ecosystems 49 Tomales Bay 49 mussels 49 Mai Po 49 Ruamahanga River 49 freshwater estuary 49 mangrove shorelines 49 fisheries 49 marina 49 Struve Slough 49 submerged aquatic vegetation 49 Tar Pamlico 49 riverbank 49 otter 49 wildlife habitat 49 uplands 49 Choptank River 49 Assawoman Bay 49 Caxambas Pass 49 longfin 49 Ngaruroro River 49 Doubtful Sound 49 cove 49 toxic algae blooms 49 Warm Springs Dam 49 Eld Inlet 49 Neponset River 49 birdlife 49 Maui dolphin 49 shoal 49 Diversion Canal 49 Dabob Bay 49 riparian forest 49 brackish tidal 49 Solway Firth 49 Rangitaiki River 49 marshy wetlands 49 waterfronts 49 Hockomock Swamp 49 pristine coral reefs 49 Opuha 49 Kimmeridge Bay 49 Batiquitos Lagoon 49 oyster larvae 49 River Aln 49 Intracoastal Canal 49 Artificial reefs 49 sockeye fishery 49 Myall River 49 breakwater 49 Brecon Canal 49 Ecological Reserve 49 Algae bloom 49 fishable waters 49 Qiantang River 49 Ballona Wetlands 49 tideland 49 Chesil Beach 49 River 49 Lake Benmore 49 Bodega Head 49 marine habitats 49 heavily silted 49 spawning salmon 49 anadromous 49 freshwater marshes 49 Swartkops River 49 National Estuarine Research 49 Thames Estuary 49 ocean ecosystems 49 Barge Canal 49 coldwater streams 49 Magothy River 49 groundwater basin 49 Blind Pass 49 Kawkawlin River 49 river drainages 49 Lahontan cutthroat 49 inlets 49 spawning grounds 49 riverine 49 sandy bottomed 49 shoreline erosion 49 mitten crabs 49 seawater intrusion 49 sewage outfall 49 Soai Rap 49 Great Crested Newts 49 Wellfleet Harbor 49 Netarts Bay 49 Chinese mitten crabs 49 pristine coral reef 49 noxious algae blooms 49 rivers lakes 49 Pagham Harbour 49 Nissequogue River 49 native brook trout 49 Grassy Sound 49 Chinese mitten crab 49 Tamaki Estuary 49 basking shark 49 Lamlash Bay 49 coastlands 48 Wasque 48 Coxs River 48 Chagres 48 riverbed 48 Lizard Peninsula 48 inlands 48 oxbow lakes 48 nontidal 48 sandy bottoms 48 abalone fishery 48 Totten Inlet 48 Coorong 48 nutrient pollution 48 freshwater lagoons 48 tidal salt marshes 48 Absecon Inlet 48 uplake 48 Yeongsan 48 Matanzas Inlet 48 Gatun Lake 48 jetties 48 Coorong wetlands 48 Klamath basin 48 Jumpinpin 48 Okatie River 48 Blueways 48 Chesapeake Bay 48 steelhead fishery 48 Tsolum River 48 Kakanui River 48 Wairau River 48 roseate tern 48 aquifer 48 Ninemile Creek 48 tuna fishery 48 Squamscott River 48 Mokihinui 48 spawning gravels 48 intracoastal 48 flowage 48 spawning herring 48 Visayan Sea 48 Landguard 48 coastal 48 Blueskin Bay 48 effluent discharges 48 marshlands 48 underground aquifer 48 streamside forests 48 tributary creeks 48 dredgings 48 Wullar Lake 48 fragile marine ecosystems 48 salmonid 48 groundwater 48 nearshore waters 48 Llyn Padarn 48 Ciliwung River 48 dams spillways 48 streamside habitat 48 River Derwent 48 oceans 48 Levisa 48 Suffolk Broads 48 riverbanks 48 navigable waterways 48 Chilka Lake 48 Somass River 48 tidal mudflats 48 Megunticook River 48 sheltered bays 48 Alafia River 48 Hawkesbury Nepean 48 Kvichak River 48 riverkeeper 48 Mattaponi River 48 Salt Pond 48 bioregion 48 River Irwell 48 Steelhead trout 48 freshwater springs 48 Jewfish 48 Ramsar wetlands 48 Puntledge River 48 Lake Zoar 48 Napatree 48 Necanicum River 48 Basking sharks 48 Shannon Erne Waterway 48 Ohiwa Harbour 48 floating pontoon 48 coral formations 48 aquatic habitats 48 Suisun Slough 48 Astoria Megler Bridge 48 Wallasea Island 48 Prettyboy Reservoir 48 Teddington Lock 48 invasive zebra mussels 48 aquifer recharge 48 Creek tributary 48 Caloosahatchee rivers 48 dredged silt 48 elvers 48 Pardee Reservoir 48 Xe Bang Fai 48 shellfish aquaculture 48 Wailua River 48 tributary rivers 48 Lake Okaro 48 Petteril 48 clam fishery 48 Sewage spills 48 Nahoon River 48 Mattawoman 48 Murrumbidgee River 48 Bassenthwaite Lake 48 colonial waterbirds 48 Lake Mainit 48 Trent Severn 48 coho smolts 48 mataitai 48 aquatic vegetation 48 Carquinez Straits 48 Lake Gatun 48 rainbow trout fishery 48 Lough Conn 48 Armingeon 48 Stonycreek River 48 ecosystems 48 Morro Rock 48 River Nith 48 bitterns 48 Hatea River 48 Freshwater mussels 48 waters 48 Hickling Broad 48 Metedeconk River 48 Passamaquoddy Bay 48 eutrophic 48 freshwaters 48 Yangtze rivers 48 mangrove swamps 48 sandy spit 48 Menhaden 48 sea loch 48 horseshoe crab eggs 48 Brean Down 48 waterbodies 48 Tred Avon River 48 Pilarcitos Creek 48 riverkeepers 48 tannin stained 48 oyster restoration 48 cordgrass 48 baylands 48 Struisbaai 48 Mosquito Lagoon 48 Westerschelde 48 Larne Lough 48 Cardigan Bay 48 Spurn Point 48 Fisherman drowns 48 causeway 48 Maribyrnong River 48 towpath 48 sea lochs 48 Econfina Creek 48 Vembanad lake 48 Salt Ponds 48 harmful algae bloom 48 reservior 48 tidewater goby 48 Willapa 48 heronry 47 Blyth Estuary 47 Seagrasses 47 breeding waders 47 wintering habitat 47 Aniva Bay 47 sewin 47 whitebaiting 47 Río de la 47 renourishing 47 toxic algae bloom 47 Wadden Sea 47 tidal lagoons 47 Currituck Sound 47 Altamaha 47 inshore reefs 47 mainstem 47 Alberni Inlet 47 Point Buchon 47 Ganges Brahmaputra 47 Ocklawaha River 47 Calcasieu Lake 47 Oklawaha River 47 nutrient inputs 47 Fairway Buoy 47 aquatic organisms 47 untreated sewage flowed 47 delta 47 sealife 47 Rangitoto Island 47 lagoons 47 spreader canal 47 limestone grassland 47 shellfish harvesting 47 estrogenic chemicals discovered 47 Everglades ecosystem 47 Striped bass fishing 47 garigue 47 Saugatuck Reservoir 47 shallow weedy 47 Rangitaiki 47 Horsey Mere 47 River Lagoon 47 Cowpasture 47 rocky shoreline 47 algae blooms 47 Winnicut River 47 shellfishing beds 47 leatherback turtles 47 slackwater 47 Kenduskeag Stream 47 Putah 47 Umgeni River 47 Rollover Pass 47 chalk grassland 47 pier jutting 47 Rangitata River 47 backwater lakes 47 Biscayne Aquifer 47 wharf 47 Basking shark 47 Geographe Bay 47 Shellfishing 47 Egmont Key 47 spawning beds 47 Sperm whale 47 forebay 47 groynes 47 kelp forests 47 Seagrass 47 subtidal 47 parklands 47 Budd Inlet 47 freshwater delta 47 reef habitats 47 boats moored 47 Loch Linnhe 47 freshwater crocs 47 Musconetcong River 47 headwater streams 47 Waioeka 47 Estuary Program 47 intertidal zones 47 turtle nesting beaches 47 inland lakes 47 Minsmere 47 salmon aquaculture 47 shallow reefs 47 seabird colonies 47 boatyards 47 fiord 47 sandy shoals 47 pier 47 Upper Floridan aquifer 47 Spartina 47 trout stream 47 Allens Pond 47 Buriganga 47 sandbank 47 Deshka River 47 Lake Eucumbene 47 freshwater lagoon 47 Dismal Swamp Canal 47 tarplant 47 lobster fishery 47 shallow lagoon 47 River Ouse 47 Bonnechere River 47 dredged sand 47 Lake Lothing 47 mangrove forests 47 Manchester Ship Canal 47 seawaters 47 freshwater pearl mussels 47 Napeague Harbor 47 Whangapoua 47 Cannonsville 47 scallop fisheries 47 freshwater mussels 47 inland waters 47 shallow aquifer 47 Siltcoos 47 rugged coastline 47 coaster brook trout 47 Minke whale 47 freshwater aquifers 47 Stormwater runoff 47 Lynnhaven River 47 Fundy tides 47 Jiggs Landing 47 Van Kull 47 Wainiha 47 cypress forest 47 rocky headlands 47 Steelhead anglers 47 Otonabee River 47 sandy shorelines 47 wading birds 47 Catchment 47 Bayou Dorcheat 47 Makushin Bay 47 Cootes Paradise 47 Nisqually River 47 Risso dolphins 47 Ulladulla Harbour 47 fish 47 hoki fishery 47 Quonochontaug Pond 47 quay 47 steelhead trout 47 Kawainui 47 silted 47 forested wetlands 47 grassbeds 47 eider duck 47 towpaths 47 Steinhatchee River 47 trawl fishery 47 cladophora 47 Corte Madera Creek 47 luderick 47 Pawtuxet Cove 47 Ausable River 47 Coho salmon 47 Laguna Madre 47 Ruamahanga 47 snail kite 47 penguin colony 47 Mrs Faragher 47 Nashawannuck Pond 47 Burrard Inlet 47 Meghna rivers 47 floodplains 47 ecosystem 47 Broads 47 Beaverdam Creek 47 Seawalls 47 Chef Menteur Pass 47 Shetucket River 47 pristine rainforest 47 Alaska pollock fishery 47 Appalachicola 47 mangrove shoreline 47 Spectacle Island 47 Nisqually Reach 47 aquatic flora 47 boatsheds 47 Waterway 47 Contoocook River 47 Aberjona River 47 Saanich Inlet 47 shellfish harvested 46 shallow waters 46 seabird breeding 46 Peconic River 46 Okeechobee Waterway 46 Lockwoods Folly 46 Tarbela reservoir 46 Hereford Inlet 46 Caretta caretta 46 sandbars 46 rookeries 46 mitten crab 46 chalk downland 46 Baykeeper 46 Gower Peninsula 46 Broads Authority 46 saltwater lagoon 46 Cayuga Inlet 46 squid fishery 46 salmon fry 46 smallmouth bass fishery 46 seabird nesting 46 spawning kokanee 46 Penobscot River 46 waterbird 46 toxic algal bloom 46 harbor