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(Click for frequent words.) 64 streamside habitat 61 dams spillways 61 streambank erosion 61 salt marsh habitat 61 Moapa dace 60 riverways 60 coldwater streams 60 Hylebos Creek 60 forested watersheds 60 shorebird habitat 59 aquatic grasses 59 estuarine habitat 59 silt buildup 59 riparian habitat 59 caribou calving 59 wetland ecosystem 59 riparian corridors 59 intertidal habitat 59 brown trout fishery 59 reef habitats 58 freshwater aquifers 58 aquatic habitat 58 reservior 58 mussel populations 58 riparian habitats 58 Okatie River 58 freshwater aquifer 58 Overfishing pollution 58 Squamish Estuary 58 mangrove wetlands 58 eroding shorelines 58 coastal marine ecosystems 58 trout stream 57 aquatic ecosystem 57 heron rookery 57 spawning habitats 57 Lahontan cutthroat 57 tidal wetland 57 eelgrass beds 57 saltmarshes 57 Kvichak River 57 Siltation 57 endangered coho salmon 57 woodpecker habitat 57 Eightmile 57 freshwater wetland 57 wintering habitat 57 Queets River 57 Lahontan Cutthroat Trout 57 Tsolum River 57 tarplant 57 aquatic habitats 57 unfragmented forest 57 upland habitats 57 Berners Bay 57 wetlands 57 wild salmon fishery 57 coastal bays 57 streamside forests 56 estuary 56 backwater lakes 56 eelgrass habitat 56 streambanks 56 spawning habitat 56 wildlife habitats 56 tidal salt marsh 56 streamside vegetation 56 aquatic hitchhikers 56 tidal estuaries 56 Little Assawoman Bay 56 Algae bloom 56 Tustumena Lake 56 shoreline 56 migratory corridors 56 wetland habitat 56 delicate ecosystems 56 wildlife habitat 56 fragile ecology 56 undeveloped shoreline 56 inland bays 56 fragile marine ecosystems 56 Camanche Reservoir 56 waterways 56 fragile ecosystems 56 riparian corridor 56 nesting habitats 56 kokanee spawning 56 Mattole River 56 shellfish harvests 56 freshwater wetlands 56 Ninemile Creek 56 brook trout habitat 55 coaster brook trout 55 re vegetating 55 invasive zebra mussels 55 salmon spawning 55 Albeni Falls Dam 55 degraded ecosystems 55 nonnative mussels 55 Cutthroat trout 55 longleaf pine ecosystem 55 snail kite 55 Thurmond Dam 55 migratory bird habitat 55 Scofield Reservoir 55 vernal pool species 55 Nicomekl River 55 Soil erosion 55 Matanuska River 55 Necanicum 55 habitats 55 wetland habitats 55 Econlockhatchee River 55 nonnative trout 55 tortoise habitat 55 Saltcedar 55 Imnaha River 55 shrub steppe 55 Arctic grayling 55 Peninsular bighorn sheep 55 groundwater aquifer 55 Suisun Marsh 55 headwater stream 55 tidewater goby 55 arctic grayling 55 shorelines 55 headpond 55 freshwater marsh 55 salamander habitat 55 polluted stormwater runoff 55 giant garter snake 54 Xe Bang Fai 54 Mattawoman Creek 54 spawning gravels 54 estuarine habitats 54 native brook trout 54 Warm Springs Dam 54 dune lakes 54 raw sewage discharges 54 waterway 54 forested wetlands 54 humpback chub 54 endangered Chinook salmon 54 Freshwater mussels 54 juvenile salmonids 54 seagrass habitat 54 acid sulphate soils 54 ecologically sensitive wetlands 54 Bolinas Lagoon 54 creosote pilings 54 tideflats 54 waterfowl habitats 54 polluted stormwater 54 spawning kokanee 54 Sisquoc River 54 Albemarle Pamlico 54 Coxs River 54 upland habitat 54 Moyie River 54 viewscapes 54 Rivanna River 54 tidal estuary 54 Dworshak Dam 54 coastal estuaries 54 aquaculture ponds 54 Teztan Biny 54 Piankatank River 54 Klamath basin 54 slackwater 54 estuarine ecosystem 54 wetlands floodplains 54 Hydroelectric dams 54 shorebird nesting 54 threatened coho salmon 54 fishable waters 54 coastland 54 Kilchis 54 ecologically sensitive areas 54 Conneaut Creek 54 amphibian habitat 54 nearshore reefs 54 riparian zones 54 nesting herons 54 Upper Floridan Aquifer 54 Alviso Slough 54 Batiquitos Lagoon 54 nesting waterfowl 54 streambank 54 river drainages 54 ancient redwoods 54 endangered Delta smelt 54 headwater streams 53 removing contaminated sediments 53 Houma Navigation Canal 53 rainbow trout fishery 53 Driftwood Branch 53 Medomak River 53 Cohansey River 53 habitat 53 tidal wetlands 53 spineflower 53 tributary creeks 53 eelgrass meadows 53 shipworm 53 mussel beds 53 blufflands 53 riparian ecosystems 53 Alligator gar 53 steelhead fishery 53 Cheoah River 53 fragile ecosystem 53 Tulloch Reservoir 53 Napindan Channel 53 sewage outfalls 53 deer wintering 53 Paiute cutthroat trout 53 freshwater ecosystems 53 mainstem Columbia 53 Sheepscot River 53 Rio Grande silvery minnow 53 Kuiseb River 53 Naches River 53 saltwater estuary 53 Polluted runoff 53 Hanford Reach 53 saltwater marsh 53 westslope cutthroat trout 53 Ferry Reservoir 53 wetland ecosystems 53 Santa Ana sucker 53 Invasive mussels 53 streambeds 53 Vallecito Creek 53 riverine ecosystems 53 Deshka River 53 grizzly habitat 53 Rattlesnake Creek 53 tidal flushing 53 redband trout 53 migrating salmon 53 Willapa Bay 53 Sewage spill 53 Pootatuck River 53 mangrove ecosystems 53 bays estuaries 53 Bighorn River 53 eel grass 53 damming rivers 53 Hells Canyon dams 53 wildlife corridors 53 derelict crab pots 53 Ossipee Pine Barrens 53 Chuitna River 53 southwestern willow flycatcher 53 dam spillway 53 Klamath salmon 53 coastal dune 53 Pardee Reservoir 53 tidal waters 53 turtle nesting beaches 53 Mississipi River 53 Upper Floridan aquifer 53 steelhead spawning 53 Eld Inlet 53 native cutthroat trout 53 seabird nesting 52 Cootes Paradise 52 pike minnow 52 freshwater habitats 52 Lake Maumelle 52 mule deer habitat 52 endangered steelhead trout 52 gnatcatchers 52 vernal pool habitat 52 San Bernardino kangaroo rat 52 endangered salamanders 52 wild sockeye salmon 52 mangrove estuary 52 freshwater mussel 52 Puntledge River 52 Steep slopes 52 Louisiana coastal marshes 52 Untreated sewage 52 Jiggs Landing 52 Jarbidge River 52 Great Crested Newts 52 Hungry Horse Dam 52 waterbodies 52 heathland habitat 52 foraging habitat 52 riparian vegetation 52 tributary streams 52 steep bluffs 52 trout fishery 52 kokanee fishery 52 nontidal wetlands 52 Tenmile Creek 52 Sparta aquifer 52 endangered chinook salmon 52 smallmouth fishery 52 Tomales Point 52 coho fishery 52 nutrient inputs 52 Dosewallips 52 Nicomekl 52 silt laden 52 Tumalo Creek 52 pristine coastline 52 prairie grassland 52 irrigate farmland 52 shortnose sturgeon 52 Yolo Bypass 52 freshwater springs 52 acid sulphate soil 52 northern leopard frogs 52 pine savanna 52 Kelani River 52 salmon hatchery 52 intracoastal waterways 52 seagrasses 52 Altamaha River 52 aquatic biodiversity 52 Skilak Lake 52 Snake River salmon 52 Lake Iliamna 52 seagrass beds 52 Bayou Sauvage National 52 desert tortoise habitat 52 Lagunitas Creek 52 STAMPEDE RESERVOIR 52 Lake Ozette 52 Gaviota coast 52 Tahquamenon River 52 speckled dace 52 bottomland hardwood forests 52 alpine terrain 52 Peconic Estuary 52 Kensico Reservoir 52 Magaguadavic River 52 Gualala River 52 hardwood swamps 52 New Zealand mudsnails 52 Coho salmon 52 migratory bird habitats 52 subsistence harvests 52 seabird colonies 52 overharvest 52 Pine beetles 52 Cheesman Reservoir 52 Methow River 52 forested lands 52 endangered shortnose sturgeon 52 piers docks 52 freshwater marshes 52 Nissitissit River 52 brook trout populations 52 dammed rivers 52 nonnative predators 51 fir forests 51 baylands 51 steelhead rainbow trout 51 temperate rainforest 51 condor sanctuary 51 shellfishing waters 51 marbled murrelets 51 estero 51 Portneuf River 51 flowage 51 watertable 51 spawning tributary 51 Elkhorn Slough 51 aquatic ecosystems 51 Puget Island 51 wetland 51 Necanicum River 51 spawning beds 51 rainbow smelt 51 Washaway Beach 51 sagebrush steppe 51 vessel groundings 51 Nottawasaga River 51 Brackish water 51 Water hyacinth 51 waterfowl habitat 51 endangered silvery minnow 51 lake 51 Lockwoods Folly 51 Lower Laguna Madre 51 Bitterroot River 51 Plainwell Dam 51 Lake Koocanusa 51 Little Susitna 51 Clam Bayou 51 tidal inlets 51 Snake River steelhead 51 Chiricahua leopard frogs 51 imperiled salmon 51 pristine rainforest 51 Lake Mainit 51 wetland buffers 51 kelp beds 51 grassland habitat 51 squawfish 51 tern colony 51 beaver ponds 51 sandstone bluffs 51 Sespe Condor Sanctuary 51 Metolius River 51 Pilarcitos Creek 51 brook trout fishery 51 McClusky Canal 51 rivers 51 hydrological cycles 51 clam beds 51 bottomland hardwood 51 brackish marshes 51 abalone fishery 51 toxic algal blooms 51 pristine woodlands 51 endangered mussels 51 uplake 51 Mattawoman 51 Yellowstone cutthroat 51 Elburz 51 riverbank erosion 51 navigable rivers 51 Makushin Bay 51 Seawalls 51 Sengekontacket 51 Aniva Bay 51 Whirling disease 51 cypress tupelo 51 freshwater 51 Tarryall 51 Nimbus Hatchery 51 Sluice gates 51 seabird populations 51 warmwater fish 51 Bahia Grande 51 oxbows 51 cypress forest 51 Fourche Creek 51 emergent vegetation 51 dredge spoil 51 headwaters 51 Garter Snake 51 virgin rainforests 51 Porcupine caribou 51 Zebra mussel 51 milfoil infestation 51 Everglades ecosystem 51 heelsplitter 51 tidal marsh 51 sea turtle populations 51 Fisheating Creek 51 aquatic fauna 51 river 51 spawning grounds 51 sandy shorelines 51 shad herring 51 Mangrove forests 51 upland meadows 51 willow flycatcher 51 Lahontan cutthroat trout 51 scrub jay habitat 51 striped bass fishery 51 Quagga mussel 51 Suisun Slough 51 instream flows 51 Sinepuxent Bay 51 cypress tupelo swamp 51 erosion sedimentation 51 revegetating 51 seawater intrusion 51 invasive quagga mussel 51 Seagrasses 51 prawn farms 50 cormorant populations 50 Invasive species 50 cattail marshes 50 Colorado pikeminnow 50 Eelgrass 50 Mooloolah River 50 limestone ledges 50 Lower Klamath 50 Elephant Butte Reservoir 50 Megunticook River 50 rivers estuaries 50 Steep terrain 50 migrating shorebirds 50 Afterbay 50 Lemolo Lake 50 Algal bloom 50 Iao Stream 50 Kotzebue Sound 50 Piru Creek 50 Delaware Inland Bays 50 Barataria basin 50 Skeena River 50 Bulkley River 50 cypress swamp 50 coastal ecosystems 50 Tucannon River 50 Shetucket River 50 salmonid species 50 stream buffers 50 red legged frogs 50 Stormwater runoff 50 Dyes Inlet 50 Ogeechee River 50 meadows woodlands 50 artesian springs 50 St. Lucie Estuary 50 Orange roughy 50 marsh 50 Wanaque Reservoir 50 Yellowstone cutthroat trout 50 Alberni Inlet 50 Chenier Plain 50 Yaquina River 50 Forth estuary 50 Ausable River 50 Nottoway River 50 Waldsea Lake 50 Sperm whale 50 Banklick Creek 50 Atlantic flyway 50 dredged silt 50 nesting habitat 50 Aquatic Preserve 50 Carrowmore Lake 50 Namakan 50 Pend Oreille River 50 chinook salmon steelhead 50 ocean ecosystems 50 Mehoopany Creek 50 Vilcanota river 50 Wallula Gap 50 Artificial reefs 50 Fisherman drowns 50 vegetated buffers 50 Wagonga Inlet 50 watersheds 50 nontarget species 50 Fryingpan River 50 Attwater Prairie Chicken 50 Lake Kaweah 50 nesting beaches 50 Sinnemahoning Creek 50 bald eagles nest 50 tortoise burrows 50 calving caribou 50 nongame animals 50 blanket bog 50 forest understory 50 depleted aquifers 50 Bolsa Chica Wetlands 50 estuaries 50 salmonid 50 trout streams 50 coastal bluffs 50 whitewater boating 50 riverbanks 50 oxbow lakes 50 lowland forest 50 riparian forest 50 Alligator Creek 50 Ptarmigan Peak 50 Ammonoosuc River 50 Econfina Creek 50 Honker Bay 50 groundwater depletion 50 nesting seabirds 50 mussel species 50 herring shad 50 Hungry Horse Reservoir 50 Yentna River 50 Steelhead trout 50 Escatawpa River 50 tidal shoreline 50 groundwaters 50 recharging aquifers 50 salt cedars 50 cormorant population 50 Agua Hedionda 50 Middle Fork 50 embayments 50 migratory bird populations 50 Fourmile Creek 50 Nushagak 50 shellfisheries 50 freshwater estuaries 50 Sand dunes 50 saltwater marshes 50 spawning aggregations 50 Opihi River 50 wetland soils 50 Invasive plants 50 Elwha dams 50 bighorn habitat 50 hatchery trout 50 orangutan habitat 50 Fidalgo Bay 50 Butler garter snake 50 Wynoochee 50 mussel infestation 50 whitewater rivers 50 Cosumnes River Preserve 50 coastal mudflats 50 intertidal marsh 50 Netarts Bay 50 mussel larvae 50 pristine coral reef 50 silted rivers 50 Moclips 50 seacoasts 50 grassbeds 50 Saltwater intrusion 50 reedbeds 50 Spenceville Wildlife Area 50 variable milfoil 50 Barataria Basin 50 Sixes rivers 50 hatchery reared fish 50 Nemadji River 50 Katama Bay 49 Alberton Gorge 49 brooks streams 49 floodplains wetlands 49 vole populations 49 Situk River 49 tidal marshes 49 Sewage spills 49 Carmans River 49 Kaituna River 49 Lacamas Creek 49 sage grouse nesting 49 Skan Bay 49 Salt marshes 49 nonnative invasive 49 Mattaponi River 49 rearing ponds 49 Lochsa River 49 Taku Inlet 49 sedimentation basins 49 brown bullhead catfish 49 blue heron rookery 49 Gastineau Channel 49 Blanding turtle 49 Fishtrap Lake 49 nearby Pocosin Lakes 49 upland forests 49 Tubli Bay 49 Winnicut River 49 Snake River sockeye 49 Moosehorn 49 shoreline erosion 49 Nahanni River 49 riverway 49 Wrangell Narrows 49 roundtail chub 49 acquifer 49 Roadless areas 49 Thorthormi 49 Sucker Brook 49 Marina Pez Vela 49 scenic vista 49 brook lamprey 49 Porcupine caribou herd 49 Lake Cootharaba 49 Steelhead anglers 49 Dosewallips River 49 salmon Delta smelt 49 Situk 49 Carvins Cove 49 NWHI 49 oysters shrimp crabs 49 sage grouse leks 49 geoduck harvesting 49 riparian wetland 49 Oklawaha River 49 Pamlico River 49 sedimentation basin 49 Wacissa 49 saline intrusion 49 catchment basins 49 Thermalito Afterbay 49 Duxbury Reef 49 Gizzard shad 49 Basking shark 49 salinisation 49 saltwater estuaries 49 submerged aquatic vegetation 49 heron colony 49 Bayou Sauvage 49 Algal blooms 49 tidepools 49 Kayaker rescued 49 coho chinook 49 lakeshores 49 threatened marbled murrelet 49 Skilak 49 freshwater impoundments 49 scallop fishery 49 Arctic Coastal Plain 49 brown trout spawn 49 coldwater fisheries 49 silvery minnows 49 Tebrau Straits 49 mangrove ecosystem 49 Mispillion River 49 delicate marshlands 49 Deschutes Basin 49 Fork Flathead 49 Limantour Beach 49 Cape Poge 49 seal rookery 49 glacially carved 49 Stephens kangaroo rat 49 endangered wood storks 49 Sinclair Inlet 49 adjoining shorelines 49 longleaf pine trees 49 lamprey larvae 49 cui ui 49 native westslope cutthroat 49 bottomland forest 49 intertidal zone 49 pristine rainforests 49 blue crab traps 49 Ninglick 49 Point Buchon 49 Sea otters 49 Grindstone Creek 49 tidal marshlands 49 headwater chub 49 Struve Slough 49 desal plants 49 conifer forest 49 National Wildlife Refuges 49 forested ridge 49 Maui dolphin 49 Izembek 49 Western Snowy Plover 49 Kinnickinnic River 49 Loch Torridon 49 rugged topography 49 Clarks Fork 49 endangered seabird 49 dunes sagebrush lizard 49 lakes 49 Sol Duc River 49 Hammonasset River 49 Ninigret Pond 49 Ganaraska River 49 inholdings 49 Taal Lake 49 Putah 49 waterfowl nesting 49 Lake Gerar 49 biodiverse ecosystems 49 Bottomlands 49 creek 49 Caney Fork River 49 Recreational boating 49 Robson Bight 49 snail kites 49 mussel farms 49 wild brook trout 49 Burrowing owls 49 Goose droppings 49 fairy tern 49 seawalk 49 Algae blooms 49 stormwater ponds 49 Ediz Hook 49 stony corals 49 sediment basins 49 oyster reef 49 towering icebergs 49 Arapaima gigas 49 Ruedi Reservoir 49 Paulinskill River 49 seafloor habitats 49 wintering elk 49 Mokelumne 49 basalt cliffs 49 polluted waterway 49 Quartermaster Harbor 49 Aspetuck River 49 California gnatcatcher 49 cedar swamp 49 Coral reef 49 Eel Pond 49 Klinaklini 49 Chatanika River 49 wintering eagles 49 longleaf pine forest 49 fisheries bycatch 49 Chetco River 49 Lake Pontchartrain basin 49 Titicaca 49 mangrove shoreline 49 undammed rivers 49 contaminate aquifers 49 karst formations 49 Neuse River basin 49 pronghorn migration 49 Snake River Plain Aquifer 49 coho smolts 49 bald eagle nesting 49 Brownlee Reservoir 49 Gunlock Reservoir 49 Elevenmile Reservoir 49 streambank stabilization 49 Wilson phalaropes 49 creeks 49 acre impoundment 49 Canada Boreal Forest 49 endangered desert tortoise 49 threatened Delta smelt 49 coastal mangrove forests 49 creek bottoms 49 mangrove shorelines 49 Madaket Harbor 49 dikes dams 49 Gila chub 49 Wodder 49 Tahuya River 49 Mattagami River 49 garigue 49 riparian forests 49 bottomland hardwood forest 49 Glendo Reservoir 49 forebay 49 Kalamalka Lake 49 Georgiana Slough 48 unroaded 48 seals sea otters 48 turtle nesting sites 48 Olive Ridley Turtles 48 gillnet fisheries 48 Kickemuit River 48 salmon redds 48 tanner crab fishery 48 algal mats 48 Macal River 48 bottomlands 48 Kariba Dam 48 Pallid sturgeon 48 derelict fishing trawlers 48 headwater 48 silvery minnow 48 ebb tides 48 Contaminated groundwater 48 Leviathan Mine 48 freshwater sawfish 48 Double crested cormorants 48 snowy plovers 48 Quino checkerspot butterfly 48 sportfishermen 48 Wasque 48 Maurepas Swamp 48 westslope cutthroat 48 longleaf pine habitat 48 smallmouth bass fishery 48 heavily vegetated 48 Florida scrub jay 48 coastlines 48 anadromous fish 48 Natomas Basin 48 Whitmore Ravine 48 tidal creek 48 sea lochs 48 Radioactive contamination 48 PacifiCorp dams 48 Alsek River 48 dredgings 48 Tellico Dam 48 watercourse 48 rocky intertidal 48 Golfo Dulce 48 forests meadows 48 Taneycomo 48 Iliamna Lake 48 instream 48 Whychus Creek 48 forested uplands 48 Lake Eucumbene 48 polluting waterways 48 bottomland forests 48 Tinkers Creek 48 Guemes Channel 48 Elochoman 48 mudflat 48 migrant songbirds 48 stormwater basins 48 elderberry bushes 48 Lake Umbagog 48 brackish marsh 48 Chiquito Creek 48 Palisades Reservoir 48 Mobjack Bay 48 Willapa 48 Ninglick River 48 Parleys Creek 48 Carquinez Strait 48 freshwater delta 48 Sonny Bono Salton Sea 48 Noyo River 48 ecosystems 48 increased storminess 48 deepwater corals 48 Hawaiian monk seals 48 NERR 48 Ice floes 48 greater amberjack 48 docks piers 48 Nolichucky 48 Alameda whipsnake 48 crustaceans molluscs 48 Embankments 48 Dianchi Lake 48 freshwater streams 48 Red Legged Frog 48 Chinese mitten crabs 48 Potholes Reservoir 48 Duckabush 48 pristine coral reefs 48 reefs 48 Nooksack dace 48 Weitchpec 48 Uncompahgre River 48 Cattle grazing 48 Bolsa Chica wetlands 48 trout stocked 48 invertebrate populations 48 Mamquam Blind Channel 48 Kamishak Bay 48 inlet 48 wildife 48 Apo Reef 48 sagebrush ecosystem 48 Picayune Strand 48 Salmon Trout 48 Caples Lake 48 fine grained sediment 48 aquifer recharge zone 48 eelgrass 48 Corkscrew Swamp 48 shortgrass prairie 48 Norfork Dam 48 escarpments 48 threatened desert tortoise 48 Dogfish Creek 48 Odessa aquifer 48 Nisqually River 48 Langara Island 48 Cullasaja River 48 king salmon fishery 48 Graveline Bayou 48 habitat fragmentation 48 endangered woodland caribou 48 subalpine meadows 48 beluga habitat 48 Zebra Mussels 48 Pupukea Paumalu 48 Suiattle 48 Lockwood Folly River 48 Stikine River 48 marshy wetland 48 Quonochontaug Pond 48 topsoil erosion 48 ecologically 48 ecologically sensitive 48 pollutant discharges 48 Cienega Creek 48 Great blue herons 48 endangered songbird 48 vaquita 48 turbid waters 48 Tucannon 48 Shoal Lakes 48 salmon 48 Namakan Lake 48 Au Sable River 48 roadless wilderness 48 caribou herd 48 coastline 48 Cucumber Gulch 48 navigational hazards 48 cork oak forests 48 bayshore 48 weed infestation 48 Rotorua lakes 48 San Francisco garter snake 48 Yellow Breeches 48 dune vegetation 48 bottomland hardwoods