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(Click for frequent words.) 65 fragile ecology 61 fragile ecosystems 59 streamside habitat 59 delicate ecosystems 59 marine ecosystem 58 ecosystems 58 wildlife habitats 57 coastal ecosystems 57 ecological 57 ecosystem 56 wetland ecosystem 56 aquatic ecosystem 55 wetlands 55 mangrove ecosystem 55 ecology 55 salt marsh habitat 55 ecologically sensitive 54 ocean ecosystems 54 habitats 53 habitat 53 freshwater ecosystems 53 aquatic fauna 53 bio diversity 53 salmon spawning grounds 53 marine ecosystems 53 longleaf pine ecosystem 53 Everglades ecosystem 53 pristine forests 53 pristine shorelines 52 biodiversity 52 dune lakes 52 ecologically sensitive areas 52 biodiversity hotspot 52 tortoise habitat 52 migratory bird habitat 52 ecologically fragile 52 estuary 52 fauna 52 spineflower 52 wetland ecosystems 52 Moapa dace 51 freshwater habitats 51 riparian ecosystems 51 aquatic ecosystems 51 Aquatic Preserve 51 saltwater intrusion 50 upland habitats 50 giant garter snake 50 wetland habitats 50 turtle nesting sites 50 pristine coral reef 50 endangered coho salmon 50 Overfishing pollution 50 marine habitats 50 Soil erosion 50 estuarine habitat 50 freshwater aquifers 50 Rio Grande silvery minnow 50 riverbank erosion 50 seagrass beds 49 riparian habitats 49 reef habitats 49 undeveloped shoreline 49 vernal pool habitat 49 viewscapes 49 cypress forest 49 tidal wetlands 49 wildlife 49 pristine wilderness 49 shorebird habitat 49 woodpecker habitat 49 desert tortoise habitat 49 coldwater streams 49 reef ecosystems 49 tarplant 49 estuaries 49 streambanks 49 saltmarshes 48 endangered desert tortoise 48 freshwater wetlands 48 coastal wetlands 48 wetlands floodplains 48 turtle nesting beaches 48 western snowy plover 48 ecologically sensitive wetlands 48 wildlife habitat 48 wetland habitat 48 bioregion 48 Mangrove forests 48 coastal dune 48 mangrove forest 48 seawater intrusion 48 Albemarle Pamlico 48 temperate rainforest 48 Squamish Estuary 48 marine ecology 48 Little Assawoman Bay 48 seagrass habitat 48 biodiverse ecosystems 48 pristine coastline 48 sea turtle populations 48 seagrasses 48 ecologically 48 wildife 48 coral reefs 48 pristine rainforest 48 Lake Mainit 48 environmentally sensitive 47 San Bernardino kangaroo rat 47 fragile marine ecosystems 47 aquatic flora 47 flora 47 freshwater 47 freshwater marshes 47 watersheds 47 riverine ecosystems 47 eroding shorelines 47 coral ecosystems 47 avifauna 47 nesting herons 47 Gangetic dolphin 47 fragile marshes 47 Southwestern willow flycatcher 47 Suisun Marsh 47 coral reef ecosystems 47 southwestern willow flycatcher 47 Chuitna River 47 vaquita 47 fringe toed lizard 47 caribou herd 47 coral reef ecosystem 47 Galapagos volcano erupts 47 raw sewage discharges 47 endangered wood stork 47 aquatic habitats 47 vernal pool species 47 Apo Reef 47 biologically diverse 47 threatened delta smelt 47 Agua Hedionda 47 St. Lucie Estuary 47 biologically diverse ecosystems 47 tidewater goby 47 Pine beetles 47 Gullah Geechee culture 47 wetlands marshes 46 Yasuní 46 headwaters 46 ancient redwoods 46 coastlands 46 Gaviota coast 46 waterways 46 Gaviota Coast 46 sealife 46 biodiverse 46 Hylebos Creek 46 coral habitats 46 nesting habitats 46 Porcupine caribou herd 46 Yellowstone cutthroat trout 46 inland bays 46 Algae bloom 46 snail kite 46 biosphere 46 virgin rainforest 46 seal rookery 46 foraging habitat 46 caribou calving 46 mangrove ecosystems 46 endangered delta smelt 46 Alameda whipsnake 46 estuarine ecosystem 46 biota 46 saltwater marshes 46 inter tidal 46 forest ecosystems 46 salt marshes 46 cork oak forests 46 luxuriant vegetation 46 Waterton Glacier 46 endangered leatherback turtles 46 threatened coho salmon 46 endangered steelhead trout 46 plover habitat 46 migratory bird habitats 46 Bolinas Lagoon 46 Shivaliks 46 viewshed 46 delicate marshlands 46 Santa Ana sucker 46 freshwater delta 46 biosphere reserve 46 coastal bays 46 riparian corridor 46 riparian habitat 46 Gila chub 46 wild salmon fishery 46 flora fauna 46 tidal estuaries 46 freshwater wetland 46 migratory corridors 46 Ecological Reserve 46 coastland 46 wildlife corridors 46 damming rivers 46 upland habitat 46 dunes sagebrush lizard 46 Canada Boreal Forest 46 Peninsular bighorn sheep 45 Ramsar wetlands 45 polluted waterway 45 groundwater depletion 45 lowland rainforest 45 pristine rainforests 45 Gahirmatha beach 45 Amazonian rainforest 45 amphibian habitat 45 tidal salt marsh 45 red legged frogs 45 Invasive plants 45 Olive Ridleys 45 virgin rainforests 45 World Heritage Site 45 nonnative snakes 45 marine biodiversity 45 eelgrass habitat 45 endangered mussels 45 fisheries wildlife refuges 45 coastal estuaries 45 endangered arroyo toad 45 receding glaciers 45 Tubli Bay 45 unroaded 45 freshwater marsh 45 Elkhorn Slough 45 Drakes Estero 45 mangrove forests 45 toxic algal blooms 45 ecotourism 45 Maui dolphin 45 Olive Ridley sea turtles 45 bottomland hardwood forest 45 sagebrush ecosystem 45 birdlife 45 deltaic 45 polluted stormwater 45 arroyo toad 45 silt buildup 45 Sourlands 45 condor sanctuary 45 garigue 45 wreaking ecological 45 environmental degradation 45 mussel populations 45 riparian ecosystem 45 Xe Bang Fai 45 Chilka Lake 45 wetland 45 native flora 45 rampant deforestation 45 shorelines 45 conservationists 45 paramo 45 rainforest 45 endangered wood storks 44 dune vegetation 44 orangutan habitat 44 estuarine habitats 44 forest denudation 44 migratory bird populations 44 tidal estuary 44 reefs 44 coastal mangrove forests 44 Amazon Rainforest 44 salamander habitat 44 bottomland hardwood 44 corals reefs 44 Hetch Hetchy Valley 44 Great Bear Rainforest 44 brown trout fishery 44 bays estuaries 44 forested watersheds 44 unspoiled beauty 44 groundwater aquifer 44 aquatic habitat 44 irreversibly alter 44 waterfowl habitats 44 invasive zebra mussels 44 Tropical rainforests 44 Chek Jawa 44 migratory flyway 44 Heritage Site 44 California gnatcatcher 44 Guadalupe Dunes 44 Donana 44 Yellowstone cutthroat 44 Serengeti ecosystem 44 sage grouse nesting 44 grizzly habitat 44 kelp forest 44 Quino checkerspot butterfly 44 Ballona Wetlands 44 degraded ecosystems 44 Algodones Dunes 44 Ossipee Pine Barrens 44 ecological degradation 44 wintering habitat 44 Seagrasses 44 Paiute cutthroat trout 44 mega deltas 44 cypress tupelo 44 Batiquitos Lagoon 44 Biosphere Reserve 44 migrating shorebirds 44 ecotourism destination 44 forested wetlands 44 coastal temperate rainforest 44 brook trout habitat 44 aquatic biodiversity 44 Polluted runoff 44 Nyungwe Forest 44 biodiverse regions 44 virgin forests 44 Great Crested Newts 44 saline intrusion 44 Lake Pontchartrain basin 44 endangered species 44 pristine coral reefs 44 bird sanctuary 44 Amazon rainforests 44 riparian zones 44 UNESCO Biosphere Reserve 44 transboundary Flathead 44 endangered Delta smelt 44 flowway 44 Hockomock Swamp 44 Yarlung Zangbo 44 longleaf pine forests 44 Chilean Patagonia 44 streamside forests 44 milk vetch 44 endangered mountain gorillas 44 flatback turtle 44 invasive species 44 viewscape 44 geoduck farming 43 Rainforests 43 Kampar Peninsula 43 panther habitat 43 towering icebergs 43 headwater streams 43 dams spillways 43 nonnative fish 43 Fakahatchee Strand 43 rocky intertidal 43 Vilcanota river 43 Teshekpuk Lake 43 Parque Nacional 43 Olive Ridley turtles 43 coastal bluffs 43 Lake Natron 43 forested lands 43 mangrove wetlands 43 nesting waterfowl 43 Steep slopes 43 tiny delta smelt 43 bighorn habitat 43 Chiquibul 43 unspoilt beauty 43 endangered rainforests 43 Olive Ridley Turtles 43 mangroves 43 Gopher tortoise 43 temperate rainforests 43 saltwater estuaries 43 coastlines 43 Sovi Basin 43 beech forests 43 Coiba 43 nesting habitat 43 lowland forests 43 freshwater springs 43 endangered marine mammals 43 fairy tern 43 giant panda habitat 43 eelgrass meadows 43 abalone fishery 43 overdevelopment 43 wildlife sanctuary 43 endangered songbird 43 Peirson milk vetch 43 Amazon rainforest 43 ecoregion 43 viewsheds 43 Candaba Swamp 43 nesting seabirds 43 Keoladeo 43 marine biota 43 gorilla habitat 43 northwestern Hawaiian Islands 43 endangered leatherback 43 estuarine ecosystems 43 lowland forest 43 cactus ferruginous pygmy owl 43 fringing reef 43 Amargosa toad 43 Doñana 43 endangered orangutan 43 wetland vegetation 43 wildlife refuge 43 elephant herds 43 mudflat 43 Ramsar wetland 43 Coral reef 43 freshwater dolphin 43 seafloor habitats 43 imperiled species 43 sockeye salmon fishery 43 Dianchi Lake 43 threatened Delta smelt 43 Wetlands 43 mangrove vegetation 43 endangered Irrawaddy dolphins 43 scallop dredging 43 San Dieguito Lagoon 43 Chilika lake 43 caribou calving grounds 43 beluga habitat 43 betel leaf farming 43 endangered shorebirds 43 salinization 43 Loktak Lake 43 cypress forests 43 vole populations 43 Florida scrub jay 43 Sparta aquifer 43 Odzala 43 nesting sea turtles 43 siltation 43 Hine emerald dragonfly 43 Chagres 43 stony corals 43 Kariba Dam 43 scenic waterfalls 43 heathland habitat 43 tidal marsh 43 seabird populations 43 endangered porpoise 43 coastal sage scrub 43 silvery minnow 43 marsh 43 intertidal habitat 43 Minqin 43 Nahanni River 43 soil erosion 43 acid sulphate soils 43 elkhorn coral 43 Malibu Lagoon 43 Visayan Sea 43 bird watcher paradise 43 wild sockeye salmon 43 coral formations 42 Sarapiqui 42 salmon fishery 42 marshland 42 roseate tern 42 Wadi Wurayah 42 coastal marshes 42 biologically diverse regions 42 streambank erosion 42 La Amistad 42 mountain plover 42 saltwater marsh 42 endangered loggerhead turtles 42 NWHI 42 karst formations 42 Ramsar sites 42 El Yunque rainforest 42 nonnative mussels 42 vessel groundings 42 Baringo giraffes 42 endangered chinook salmon 42 Hector dolphins 42 creeping urbanization 42 polluted stormwater runoff 42 eco tourism 42 grassland habitat 42 Western snowy plover 42 polar bears caribou 42 mangrove plantations 42 deepwater corals 42 floodplains wetlands 42 karst 42 giant sequoia trees 42 Lahontan cutthroat trout 42 coastline 42 Butler garter snake 42 tidal marshes 42 headwater stream 42 endangered manatees 42 Seawalls 42 redwood forests 42 Siltation 42 transfrontier conservation 42 woodland caribou 42 Kimbe Bay 42 Koocanusa Reservoir 42 unspoiled wilderness 42 Thorthormi 42 fragile marshlands 42 biodiversity hotspots 42 Invasive species 42 Houma Navigation Canal 42 Sea otters 42 Irrawaddy dolphin 42 orangutan populations 42 marbled murrelets 42 streamside vegetation 42 Burns Bog 42 Kihansi spray toad 42 Izembek 42 Saltwater intrusion 42 shortnose sturgeon 42 Davidson Seamount 42 Pulicat Lake 42 Water hyacinth 42 contaminate aquifers 42 species extinctions 42 Gahirmatha Marine Sanctuary 42 tropical coral reefs 42 mightiest rivers 42 Belum Temengor 42 environmental 42 Bottom trawling 42 caribou habitat 42 bark beetle epidemic 42 Roadless areas 42 Rohmoria 42 manmade structures 42 mountain plovers 42 silting 42 pristine woodlands 42 Western Snowy Plover 42 Boreal forest 42 eelgrass beds 42 freshwater estuary 42 waterway 42 Bharatpur sanctuary 42 wetland soils 42 mule deer habitat 42 Cosumnes River Preserve 42 peat swamp forest 42 precious coastal marshes 42 salmon spawning 42 Least Tern 42 shoreline erosion 42 California tiger salamander 42 seabird colonies 42 coastal marine ecosystems 42 boreal caribou 42 heron rookery 42 Pantanal 42 bottomland hardwood forests 42 Herbert Hoover Dike 42 tidal shoreline 42 ecologies 42 Stan Senner 42 migratory bird flyway 42 rainforests 42 topsoil erosion 42 EPA Greenhouse gases 42 Tijuana Estuary 42 groundwater aquifers 42 endangered suckers 42 shoreline 42 overfishing pollution 42 woodland caribou herds 42 salmon Delta smelt 42 Mkomazi 42 peat soils 42 polluted runoff 42 Upper Floridan Aquifer 42 shipworm 42 Sumatran orang utan 42 Royal Belum 42 woodland caribou habitat 42 upland forests 42 cypress swamp 42 Robson Bight 42 endangered silvery minnow 42 migratory bird species 42 Sperm whale 42 bottomland forests 42 unfragmented forest 42 Deepor Beel 42 whales polar bears 42 conserving biodiversity 42 groundwaters 42 freshwater sawfish 42 sandspit 42 Yasuni National 42 coldwater fisheries 42 western ghats 42 eucalyptus forests 42 seabird colony 42 forests meadows 42 lynx habitat 42 gully erosion 42 blue heron rookery 42 invertebrate populations 42 glacial meltwater 42 archeological sites 42 endangered leatherback sea turtles 42 sensitive marshlands 42 Invasive mussels 42 Niyamgiri hill 42 acidic oceans 42 mussel infestation 41 trout fishery 41 Ozone layer 41 wildernesses 41 desert pupfish 41 coral triangle 41 indigenous flora 41 Morro Bay estuary 41 peat swamp forests 41 storm drains unclogged 41 Sperrgebiet 41 reservior 41 freshwater aquifer 41 underground aquifer 41 caribou polar bears 41 cultural heritage 41 scenic beauty 41 Nooksack dace 41 Pupukea Paumalu 41 Cerulean Warbler 41 Gunung Leuser 41 Norway Svalbard 41 dikes dams 41 Kearney buckwheat 41 Kinabatangan Wildlife Sanctuary 41 pristine beachfront 41 woodlands wetlands 41 Teshekpuk 41 ecological catastrophe 41 Prolonged droughts 41 nongame animals 41 Pumicestone Passage 41 river deltas 41 longleaf pine habitat 41 limestone karst 41 Tumacacori Highlands 41 Rushikulya river mouth 41 sediment 41 Jenner Headlands 41 Danube Delta 41 endangered bowhead whales 41 sagebrush steppe 41 catastrophic wildfires 41 salinity ingress 41 Aletsch 41 orangutan habitats 41 endemic species 41 seabird nesting 41 Overgrazing 41 coaster brook trout 41 marshes wetlands 41 Stephens kangaroo rat 41 snowy plovers 41 Devils Hole pupfish 41 DellaSala 41 migratory birds 41 condor preserve 41 Las Trampas Regional 41 livelihoods 41 acquatic 41 boreal forest 41 mangrove estuary 41 Tarkine wilderness 41 Foping 41 Brahmaputra rivers 41 Warmer seas 41 Yasuni 41 glacially carved 41 Cootes Paradise 41 oyster fishery 41 tuna fishery 41 Brazil Pantanal 41 seawaters 41 Wadden Sea 41 salty seawater 41 Hawaiian petrel 41 Sespe Condor Sanctuary 41 Teztan Biny 41 coastal 41 toxins leaching 41 Daintree rainforest 41 blanket bog 41 coral reef biodiversity 41 ecosphere 41 urban sprawl 41 mangroves coral reefs 41 cork forests 41 Neil Armingeon 41 Superintendent Don Neubacher 41 alpine terrain 41 brackish marshes 41 Lahontan Cutthroat Trout 41 Lower Kinabatangan 41 ecosytem 41 Caloosahatchee estuary 41 depleting groundwater 41 groundwater basin 41 wildebeest migration 41 critically endangered mammals 41 Tarim River 41 mussel beds 41 seabeds 41 toxic algae blooms 41 Las Tablas de Daimiel 41 Pilarcitos Creek 41 Cockpit Country 41 tanner crab fishery 41 Belum Temenggor 41 Endangered sea turtles 41 Hawaiian monk seals 41 marine mammals 41 Ellwood Mesa 41 Nyungwe 41 estero 41 Stormwater runoff 41 Porcupine caribou 41 Chandeleur Sound 41 groundwater 41 seals sea otters 41 river basin 41 heelsplitter 41 habitat fragmentation 41 oyster reef 41 Klamath basin 41 scenic vistas 41 valley elderberry longhorn beetle 41 eel fishery 41 Belize Barrier Reef 41 vulnerable marine ecosystems 41 shrub steppe habitat 41 rainforests disrupt 41 Lake Okeechobee dike 41 Sespe Wilderness 41 Boreal forests 41 Yangtze rivers 41 North Fork Toutle 41 Hondoq 41 Warm Springs Dam 41 oceanic ecosystems 41 Mau Complex 41 Wied il 41 karst caves 41 grasslands 41 wetlands flood plains 41 nesting birds 41 riparian forest 41 spotted owls salmon 41 aquatic insect 41 cattail marshes 41 Ganga basin 41 seabird breeding 41 Caspian Sea sturgeon 41 Cultus Lake sockeye 41 estuarine ecology 41 Barataria Basin 41 Carden Alvar 41 Carmans River 41 seaside sparrow 41 Tonle Sap lake 41 riverways 41 steelhead fishery 41 dammed rivers 41 Bicknell thrush 41 baylands 41 San Francisco garter snake 41 Sunol Regional 41 Edwards Aquifer 41 Lancang River 41 Hueco Bolson 41 Off roaders 41 endangered seabirds 41 whitebark pines 41 salt marsh ecosystem 41 Usangu 41 Taal Lake 41 denning habitat 41 Lossi 41 Wenlock River 41 scenic splendor 41 Osa Peninsula 41 Rebecca Wodder president 41 mangrove reforestation 41 riparian wetland 40 overhunted 40 intertidal marsh 40 Atitlan 40 clogging waterways 40 aquifer 40 archaeological sites 40 ivory poaching 40 wildlife sanctuaries 40 uninhabited wilderness 40 Laguna Atascosa 40 mussel species 40 saltwater estuary 40 spectacled eider 40 fishable waters 40 Coral Triangle 40 riparian woodlands 40 Waterloo moraine 40 Bolsa Chica Wetlands 40 spawning habitat 40 species 40 Neuse River basin 40 Artificial reefs 40 Sulu Sulawesi 40 flatback turtles 40 striped bass fishery 40 Cook Inlet beluga whales 40 heavily silted 40 nesting beaches 40 Melting glaciers 40 clog waterways 40 treasured landscapes 40 elderberry bushes 40 Zapata Swamp 40 conservancy 40 Klamath salmon 40 tropical forest 40 lush forested 40 spawning aggregations 40 Madaket Harbor 40 Woodland Caribou 40 Bay checkerspot butterfly 40 riparian corridors 40 sandpipers plovers 40 Croatia Dalmatian 40 scrub jay habitat 40 deforestation overfishing 40 Tamaki Estuary 40 caribou herds 40 Louisiana marshlands 40 Wekiva River 40 fauna flora 40 Snowy Plover 40 threatened woodland caribou 40 Mata Atlantica 40 Environmentalists 40 fisheries bycatch 40 watertable 40 Cottontails seek 40 marine turtles 40 Paracas 40 Carl Gustaf Lundin 40 enormous sperm whales 40 forests 40 Garry oak 40 encroaching urbanization 40 Peary caribou 40 Succulent Karoo 40 San Elijo Lagoon 40 pine savanna 40 Protected Landscape 40 aquatic species 40 Puget Sound orcas 40 Lake Lanao 40 clearcut logging 40 Tulloch Reservoir 40 ecopark 40 freshwater mussel 40 Kauai Na Pali 40 Modoc Plateau 40 Swainson hawk 40 tidal tributaries 40 Woodland caribou 40 Neotropical migrants 40 Mongabay How 40 Beidler Forest 40 canebrake rattlesnakes 40 Palar river 40 Amargosa River 40 Okatie River 40 salt marsh 40 Sonny Bono Salton Sea 40 tuna fisheries 40 mountain caribou 40 Bolson tortoise 40 derelict fishing trawlers 40 Ecological Preserve 40 Ozone Layer 40 tidal marshlands 40 lesser flamingo 40 Pacuare 40 seagrass meadows 40 saltmarsh 40 Yangtze basin 40 Eelgrass 40 Untreated sewage 40 nearby Pocosin Lakes 40 baylands corridor 40 ravenous carp 40 endangered orang utans 40 river Kosi 40 Hondoq ir Rummien 40 Econlockhatchee River 40 early successional forest 40 coral reef degradation 40 Lahontan cutthroat 40 environmental impacts 40 coastal erosion 40 pristine 40 freshwater lake 40 Hawaiian archipelago 40 Puget Sound steelhead 40 longfin smelt 40 endangered 40 karst topography 40 toxic tailing ponds 40 Chuitna 40 Valle Vidal 40 aquatic creatures 40 Chiricahua leopard frogs 40 agro biodiversity 40 woeful tracts 40 whales seals 40 Kalmiopsis Wilderness 40 Caloosahatchee rivers 40 tidal wetland 40 cottonwood willow 40 scenic vista 40 groundwater withdrawals 40 Barataria basin 40 vernal pool fairy 40 migratory shorebirds 40 invasive mussels 40 aquifers 40 Pu Luong 40 Ninglick 40 nonnative predators 40 endangered orangutans 40 Garter Snake 40 aquatic grasses 40 Isles Dernieres 40 overstory 40 freshwater lagoon 40 Wet Tropics 40 Wildlife Refuges 40 equatorial rainforests 40 waterbodies 40 Danum Valley 40 Kawainui Marsh 40 migratory seabirds 40 Watersheds 40 seashores 40 Maliau Basin 40 Rio Grande cutthroat trout 40 important seabird colony 40 Berners Bay 40 oak savannahs 40 great crested newt 40 Bacalar Chico 40 whitebark 40 red legged frog 40 Ecuadorian Amazon 40 shorebird nesting 40 Tony Iallonardo 40 Tomales Point 40 peat swamps 40 deplete oxygen 40 kangaroo overpopulation 40 re vegetating 40 Peatlands 40 Ramsar Site 40 shrinking Aral Sea 40 wolves grizzly bears 40 biosphere reserves 40 Loggerhead Shrike 40 Ca Mau Cape 40 Lake Balkhash 40 Caledonian pine 40 penguin colonies 40 Citrus greening 40 predator prey relationships 40 wildlife refuges 40 Yarlung Tsangpo 40 blufflands 40 wiliwili trees 40 foraging habitats 40 redwood forest 40 Mattole 40 tropical savanna 40 Agusan River