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(Click for frequent words.) 74 aquatic ecosystem 73 freshwater ecosystems 73 ecosystems 70 aquatic habitats 70 marine ecosystems 67 ocean ecosystems 67 coastal ecosystems 66 wetland ecosystems 65 aquatic organisms 65 terrestrial ecosystems 65 forest ecosystems 65 marine ecosystem 64 aquatic fauna 64 biota 64 aquatic habitat 63 aquatic species 63 habitats 62 mussel populations 62 riparian ecosystems 61 biodiversity 61 delicate ecosystems 61 freshwater habitats 61 wetland ecosystem 61 watersheds 61 reef ecosystems 61 riparian zones 60 wildlife habitats 60 wildlife habitat 60 coral reef ecosystems 59 waterways 59 reef habitats 59 riparian habitats 59 migratory bird populations 59 freshwater 59 aquatic biota 59 toxic algal blooms 59 toxic algae blooms 59 seagrasses 59 Seagrasses 58 estuarine ecosystems 58 estuaries 58 aquatic weeds 58 lakes 58 oceanic ecosystems 57 aquatic insect 57 ecologies 57 ecology 57 estuarine ecosystem 57 coldwater fisheries 57 wetland habitats 57 HABs 57 algae blooms 57 wetlands 57 Phytoplankton 56 freshwater wetlands 56 harmful algal blooms 56 aquatic insects 56 ecosystem 56 wetland habitat 56 benthos 56 coral reefs 56 saltwater estuaries 56 freshwater mussels 56 freshwaters 56 streamside habitat 56 aquatic vegetation 56 habitat 56 aquatic invertebrates 56 algal blooms 56 seagrass beds 56 coastal marine ecosystems 56 headwater stream 55 dwelling organisms 55 waterfowl populations 55 nutrient loading 55 trophic cascades 55 humpback chub 55 river catchments 55 riverine ecosystems 55 marine ecology 55 embayments 55 biosphere 55 macro invertebrates 55 marine habitats 55 wintering habitat 55 seafloor habitats 55 phytoplankton blooms 55 waterbirds 55 headwater streams 55 wetland vegetation 55 predator prey relationships 55 St. Lucie Estuary 55 variable milfoil 55 amphibian populations 55 riparian habitat 55 aquatic flora 55 Little Assawoman Bay 55 degraded ecosystems 55 migratory bird habitat 55 flora 55 marine biodiversity 54 estuarine 54 seagrass meadows 54 harmful algae blooms 54 Invasive plants 54 mussel species 54 forested watersheds 54 freshwater aquifers 54 sea turtle populations 54 species 54 migratory bird habitats 54 ecological 54 oceans 54 acidification 54 estuarine habitats 54 plankton 54 macroinvertebrates 54 submerged aquatic vegetation 54 pollinator populations 54 biogeochemical cycles 54 Endocrine disruptors 54 freshwater lakes 54 eelgrass beds 54 streamside vegetation 54 deplete oxygen 54 marine biota 54 hydrological cycle 54 brook trout populations 54 invertebrate populations 53 estuarine habitat 53 nutrient inputs 53 spawning habitat 53 coldwater streams 53 fauna 53 algal species 53 zooplankton 53 mayflies stoneflies 53 Algae blooms 53 streamside forests 53 insect populations 53 aquatic 53 wildlife corridors 53 microcystins 53 Invasive species 53 phosphorus nutrient 53 eroding shorelines 53 Everglades ecosystem 53 nitrogen deposition 53 hydrologic cycle 53 invasive species 53 fragile marine ecosystems 53 algal toxins 53 eutrophic 53 eel grass 53 biogeochemical processes 53 wetland 53 marine phytoplankton 53 shortnose sturgeon 53 phosphorus runoff 53 reefs 53 eelgrass 53 sedimentation 53 riparian forests 53 salinity 53 herbivorous fish 53 freshwater wetland 53 bio diversity 53 inland bays 53 intertidal 53 biologically diverse ecosystems 53 marine organisms 53 Polluted runoff 53 plantlife 52 waterbodies 52 vulnerable marine ecosystems 52 freshwater estuaries 52 organisms 52 coral reef ecosystem 52 diatom species 52 Colorado pikeminnow 52 Freshwater mussels 52 photosynthetic microbes 52 LSRCA 52 fisheries 52 Hydroelectric dams 52 wetland ecology 52 estuarine ecology 52 coccolithophores 52 vegetation 52 nontarget species 52 striped bass fishery 52 grassland birds 52 airsheds 52 phytoplankton 52 fragile ecosystems 52 birdlife 52 Diporeia 52 longleaf pine ecosystem 52 Zooplankton 52 freshwater fisheries 52 Soil erosion 52 tidal wetlands 52 soils 52 Cyanobacteria 52 deepwater corals 52 Coral reef 52 coral reef habitats 52 Athabasca watershed 52 brook trout habitat 52 sediment 52 aquatic grasses 52 Quagga Mussels 52 habitat fragmentation 52 ecoregions 52 wetlands flood plains 52 salt marsh habitat 52 Antarctic krill 51 forested lands 51 streambanks 51 Eelgrass 51 invertebrates 51 underwater grasses 51 native brook trout 51 Microcystis 51 sediment runoff 51 salmon spawning grounds 51 Gizzard shad 51 freshwater springs 51 fragile ecosystem 51 upland habitats 51 Puget Sound chinook 51 groundwater aquifers 51 estuary 51 Schladow 51 Macquarie Marshes 51 groundwaters 51 Methylmercury 51 steelhead populations 51 bryophytes 51 vessel groundings 51 trout fishery 51 mangrove ecosystems 51 Rio Grande silvery minnow 51 acid sulphate soils 51 Boreal forests 51 filter feeders 51 freshwater marsh 51 coldwater species 51 marine biotoxins 51 brook trout fishery 51 bee populations 51 watermilfoil 51 riparian corridors 51 forest understory 51 algaes 51 Yellowstone cutthroat trout 51 woodland habitats 51 coral habitats 51 aquatic nuisances 51 tributary streams 51 bioaccumulation 51 Water hyacinth 51 nitrogen fixation 51 mangrove vegetation 51 coral ecosystems 51 honey bee populations 51 grassland ecosystems 51 keystone species 51 corals 51 damming rivers 51 pristine coral reef 51 wetlands floodplains 51 salmonids 51 macroinvertebrate 51 coaster brook trout 50 gillnet fisheries 50 Pseudo nitzschia 50 Excess nutrients 50 EPA Greenhouse gases 50 pelagic fisheries 50 pollinating insects 50 acquatic 50 Bonneville cutthroat trout 50 nesting habitats 50 cyanobacterial blooms 50 streambank erosion 50 oceans coasts 50 voracious feeders 50 dissolved oxygen concentrations 50 giant garter snake 50 juvenile salmonids 50 groundwater depletion 50 wildlife 50 Zebra Mussel 50 transboundary Flathead 50 Bottom trawling 50 insect pollinators 50 plankton blooms 50 brown trout fishery 50 conserving biodiversity 50 algal bloom 50 rainbow smelt 50 ecoregion 50 tidal wetland 50 Cultus Lake sockeye 50 Wetlands 50 cyanobacteria 50 invertebrate species 50 nitrates phosphates 50 Diatoms 50 seagrass habitat 50 cladophora 50 Overfishing pollution 50 coastal bays 50 Tropical rainforests 50 Coral bleaching 50 elkhorn coral 50 sagebrush ecosystem 50 glacial lakes 50 Moapa dace 50 limnologist 50 Sedimentation 50 alga 50 Hine emerald dragonfly 50 Didymo 50 nutrient pollution 50 Feral swine 50 toxic algae 50 pollinators 50 seabird populations 50 invasive zebra mussels 50 Alligator gar 50 calcifying organisms 50 depletes oxygen 50 rivers 50 VHSV 50 bioregion 50 nesting habitat 50 vernal pool species 50 Gangetic dolphin 50 saltwater marshes 50 migrating shorebirds 49 lichens 49 shellfisheries 49 quaggas 49 shellfish aquaculture 49 algae 49 freshwater invertebrates 49 oligotrophic 49 eutrophication 49 freshwater ponds 49 Peconic Estuary 49 microscopic organisms 49 sagebrush ecosystems 49 warmwater species 49 soil fertility 49 freshwater mussel 49 Watersheds 49 groundfish stocks 49 amphibians 49 Estuaries 49 phosphorus pollution 49 aquatic weed 49 Acidification 49 oysters shrimp crabs 49 spawning beds 49 benthic habitat 49 intestinal bacteria 49 benthic 49 elkhorn corals 49 swamps marshes 49 polar oceans 49 Santa Ana sucker 49 mountain glaciers 49 acidic oceans 49 wild salmon fishery 49 transboundary waters 49 northern leopard frogs 49 dissolved oxygen levels 49 Domoic acid neurotoxin 49 planktons 49 heathland habitat 49 ocean acidity 49 amphibian declines 49 walleye fishery 49 algal mats 49 nutrient 49 turtle nesting beaches 49 endemic species 49 biotopes 49 Lahontan cutthroat trout 49 aquatic creatures 49 endocrine disrupting compounds 49 Kearney buckwheat 49 shorelines 49 salt marshes 49 robbing algae blooms 49 anadromous fish 49 ocean acidification 49 nonpoint source pollution 49 tortoise habitat 49 floodplains wetlands 49 aquatic invasive species 49 waterfowl habitat 49 aquatic biodiversity 49 harmful algae bloom 49 endangered mussels 49 polynyas 49 nonpoint pollution 49 elevated atmospheric CO2 49 Warmer seas 49 temperate forests 49 sediments 49 Inland Bays 49 riverbank erosion 49 oceanic islands 49 decaying vegetation 49 mussel larvae 49 stratospheric ozone 49 Professor Hoegh Guldberg 49 alpine ecosystems 49 Harmful algal blooms 49 nutrients 49 krill fishery 49 corals sponges 49 diatoms 49 rivers estuaries 49 kelp forests 49 spawning habitats 49 benthic macroinvertebrates 49 sturgeon striped bass 49 wetlands marshes 49 southwestern willow flycatcher 49 rivers lakes 49 invertebrate animals 49 microscopic algae 49 decomposers 49 endangered pallid sturgeon 49 flora fauna 49 invasive weeds 49 blufflands 49 pollutant discharges 49 vernal pool habitat 48 wildife 48 vole populations 48 endocrine disrupting chemicals 48 benthic organisms 48 Biomonitoring 48 climatic variability 48 Salt marshes 48 subglacial lakes 48 migratory fish 48 breeding waders 48 threatened coho salmon 48 sturgeon spawning 48 Floodplains 48 coldwater fish 48 dissolving coral reefs 48 Woodland caribou 48 biomasses 48 soil erosion 48 PCBs dioxins 48 Delaware Inland Bays 48 salination 48 sewage discharges 48 Peatlands 48 lake 48 calcium carbonate shells 48 westslope cutthroat trout 48 biodiverse ecosystems 48 Canada Boreal Forest 48 phytoplankton populations 48 habitat degradation 48 rocky intertidal 48 dwelling invertebrates 48 plantlike bacteria 48 icesheets 48 Coorong wetlands 48 National Wildlife Refuges 48 Paiute cutthroat trout 48 trawl fisheries 48 abalone fishery 48 Jamie Pittock 48 nonnative fish 48 cormorant populations 48 Rotorua lakes 48 riverways 48 phytoplankton microscopic 48 estrogenic chemicals 48 ecologically 48 seabird species 48 Brackish water 48 Yellowstone cutthroat 48 Baringo giraffes 48 intertidal zone 48 salmonid 48 comb jellyfish 48 zebra mussels 48 bryozoan 48 inshore fisheries 48 Sourlands 48 waterweed 48 headwater 48 calcium carbonate skeletons 48 Zebra mussels 48 Prek Toal 48 soil salinity 48 biodiversity hotspot 48 avifauna 48 mudsnails 48 salmonid species 48 recreational angling 48 honeybee populations 48 splittail 48 aquifer recharge 48 Dr Abila 48 tiny single celled 48 aquatic invaders 48 Invasive mussels 48 snail kite 48 biogeochemical cycling 48 microorganisms 48 Zebra Mussels 48 coastal estuaries 48 grassland habitat 48 Coral reefs 48 temperate rainforest 48 biosystem 48 microbialites 48 shoreline erosion 48 Ramsar wetlands 48 Cladophora 48 unicellular algae 48 microflora 48 reproduce prolifically 48 riparian 48 mangrove habitats 48 rainbow trout fishery 48 semiarid regions 48 refugia 48 vibrios 48 soils sediments 48 bottomland hardwood 48 dams spillways 48 transmountain diversions 48 marine invertebrates 48 Phragmites 48 endangered suckers 48 wintering eagles 48 foraging habitats 48 circumpolar Arctic 48 carbon sinks 48 invasives 47 tidal marshes 47 microbial ecosystems 47 tributary creeks 47 Carden Alvar 47 endangered coho salmon 47 peat swamps 47 native cutthroat trout 47 Azolla 47 Mesopotamian Marshlands 47 woodland caribou 47 species extinctions 47 redband trout 47 Transboundary 47 nitrogen fixers 47 longleaf pine forests 47 backwater lakes 47 Amazonian forest 47 lakes rivers 47 endocrine disruption 47 geomorphology 47 aquacultural 47 coastal dune 47 benthic invertebrates 47 Toxic algae 47 migratory waterbirds 47 limnology 47 Algal bloom 47 nutrient absorption 47 river deltas 47 finfish aquaculture 47 nutrient loadings 47 nonnative trout 47 whirling disease 47 freshwater streams 47 Harmful Algal Blooms 47 nitrogenous compounds 47 macro invertebrate 47 aquatic ecologist 47 Warmer oceans 47 polluted stormwater runoff 47 Gangetic dolphins 47 Topeka shiner 47 riparian forest 47 biodiversity hotspots 47 Dr. Pikitch 47 migratory species 47 freshwater snails 47 waterfowl nesting 47 Coastal Ecosystems 47 waterborne pathogens 47 atmospheric carbon dioxide 47 bottomland forests 47 seagrass 47 kaimoana 47 freshwater fishes 47 spawning gravels 47 fragile ecology 47 Methyl mercury 47 endocrine disrupting chemicals EDCs 47 reef corals 47 cetacean populations 47 nonnative invasive species 47 saltmarshes 47 acidifying 47 upland habitat 47 soil biota 47 herbivorous insects 47 commensal bacteria 47 Lake Okaro 47 wastewater effluent 47 scallop fishery 47 sagebrush steppe 47 invasive alga 47 grizzly populations 47 Loggerhead Shrike 47 naturally reproducing 47 nonnative invasive 47 glacial meltwater 47 trematode 47 fishery 47 oyster reefs 47 riparian vegetation 47 groundwater aquifer 47 marine ecologist 47 Mexican garter snake 47 brown trout spawn 47 sea lampreys 47 intestinal flora 47 willow flycatcher 47 steelhead fishery 47 sockeye salmon fishery 47 native flora 47 beneficial microflora 47 remnant vegetation 47 Pallid sturgeon 47 mildly alkaline 47 polluted runoff 47 Intersex fish 47 saltmarsh 47 marine sediments 47 Ossipee Pine Barrens 47 carbon fluxes 47 biotic 47 reef organisms 47 freshwater impoundments 47 ungulate populations 47 overfishing pollution 47 pest insects 47 salinisation 47 bays estuaries 47 Ecology Letters 47 crop pollination 47 turtle nesting sites 47 warmwater fish 47 endangered wood storks 47 nonnative snakes 47 raw sewage discharges 47 gut flora 47 coral reefs mangroves 47 Stratospheric ozone 47 silvery minnow 47 Rebecca Wodder president 47 upwellings 47 Snake River sockeye 47 kelp beds 47 understorey 47 waterfowl habitats 47 intertidal zones 47 Polar Regions 47 caribou herds 47 boreal forest 47 endocrine disrupters 47 irrigated agriculture 47 microbial 47 lobster fishery 47 acidic soils 47 stinging jellyfish 47 Artificial reefs 47 wetland restoration 47 recreational fishery 47 subglacial 47 brevetoxins 47 forested wetlands 47 dissolved oxygen 47 Snake River salmon 47 coral reef 47 Salvinia 47 fairy tern 47 tropical coral reefs 47 deforestation overfishing 47 mangrove forests 47 atmospheric ozone 47 tiny pteropod 47 endangered wood stork 47 tributaries 47 migratory corridors 47 razorback sucker 47 groundwater withdrawals 46 sealife 46 marine mammals sea turtles 46 spawning aggregations 46 atmospheric methane 46 micro organisms 46 foraging habitat 46 tributary rivers 46 sewage effluent 46 boreal ecosystems 46 microhabitats 46 overharvested 46 reedbeds 46 molluscan 46 grasshopper populations 46 Eutrophication 46 subalpine meadows 46 streambeds 46 microscopic plankton 46 hydrological cycles 46 agro ecosystems 46 inter tidal 46 tidal estuary 46 seabird colonies 46 conserve biodiversity 46 microbes 46 chemosynthetic 46 Batrachochytrium dendrobatidis 46 microbial degradation 46 phytoplankton bloom 46 deforestation desertification 46 Lillinonah 46 planktonic 46 arctic grayling 46 toxic alga 46 hormone disrupters 46 Jake Vander Zanden 46 walrus polar bears 46 cutthroat trout 46 nitrification 46 eelgrass meadows 46 lampricide 46 frogs toads salamanders 46 Alewives 46 rusty crayfish 46 Subarctic 46 bioregions 46 amphibian habitat 46 pallid sturgeon fish 46 amphipods 46 birds amphibians reptiles 46 tidal estuaries 46 atmospheric nitrogen 46 pelicans turtles 46 Saltcedar 46 Coral Reefs 46 nonfederal lands 46 mussels 46 pollutants 46 tidal salt marsh 46 Teztan Biny 46 freshwater ecologist 46 Waquoit Bay 46 Okataina 46 mud snails 46 oyster fishery 46 Boreal Forest 46 Spotted Owls 46 roundtail chub 46 Quagga mussel 46 marbled murrelets 46 Boris Worm 46 climatic variations 46 Biological Conservation 46 Vernal pools 46 inorganic contaminants 46 nutrient depletion 46 waterfleas 46 curly leaf pondweed 46 Sengekontacket 46 inland lakes 46 saltwater estuary 46 longline fisheries 46 grasslands 46 wild sockeye salmon 46 transboundary 46 boreal forests 46 seals sea otters 46 bottomland hardwood forest 46 gut microbial 46 Jules Blais 46 vertebrate fossils 46 eggshell thinning 46 prairie pothole 46 mountain plovers 46 Maine lobster fishery 46 Leatherback Turtle 46 shellfish beds 46 voracious predators 46 Prochlorococcus 46 vernal ponds 46 mangroves 46 deltaic 46 trihalomethanes THMs 46 Albemarle Pamlico 46 pristine coral reefs 46 Alexandrium 46 aquatic hitchhikers 46 rockweed 46 migratory shorebirds 46 stormwater overflows 46 salmon spawning 46 bee pollination 46 instream flows 46 atmospheric CO2 levels 46 mussel infestation 46 diporeia 46 phytoplankton zooplankton 46 sea turtle species 46 salmon fishery 46 Lahontan cutthroat 46 koala populations 46 biodiverse 46 siltation 46 foresting 46 combating desertification 46 penguin colonies 46 oxygen depletion 46 intertidal marsh 46 pearl mussel 46 dam removals 46 acid sulphate soil 46 peat lands 46 groundwater recharge 46 ship groundings 46 crustaceans mollusks 46 cryosphere 46 PPCPs 46 Maui dolphin 46 Cootes Paradise 46 biodiversity conservation 46 viewscapes 46 biospheres 46 nutrient leaching 46 Algal blooms 46 invasive milfoil 46 Semlitsch 46 gastropods 46 stormwater discharges 46 Missisquoi Bay 46 pheasant populations 46 freshwater aquifer 46 seabird nesting 46 mass beachings 46 trembling aspen 46 copepods 46 Florida scrub jay 46 faunal 46 Siltation 46 ponds 46 Aburto Oropeza 46 Tsolum River 46 warmwater 46 Aureococcus 46 Carl Gustaf Lundin 46 Sediments 46 oceanic currents 46 spawning kokanee 46 bottomland hardwood forests 46 waterbird 46 glaciers 46 threatened delta smelt 46 stratospheric ozone depletion 46 mosquito vector 46 salmon aquaculture 46 invasive aquatic 46 trawl fishery 46 clogging waterways 46 colonial waterbirds 46 Mosquito larvae 46 landforms 46 Southwestern willow flycatcher 46 receding glaciers 46 salmon Delta smelt 46 oceanic circulation 46 freshwater lakes rivers 46 riparian corridor 45 Klamath Siskiyou 45 beech forests 45 Steelhead trout 45 shorebird nesting 45 rangelands 45 coho fishery 45 Amundsen Sea 45 Cottontails seek 45 Romero Lankao 45 endangered chinook salmon 45 wolverine habitat 45 endangered amphibians 45 coral polyps 45 aquifers 45 Perchlorate contamination 45 inshore fishery 45 flatback turtle 45 freshwater aquaculture 45 microbial ecology 45 reactive nitrogen 45 invasive lionfish 45 purple loosestrife 45 marsh grasses 45 acid sulfate 45 Tar Pamlico 45 saltwater flushing 45 polluted waterway 45 mussel beds 45 Great Lakes basin 45 Nassau grouper 45 salinization 45 clog waterways 45 groundwater 45 rainforests disrupt 45 nonindigenous species 45 banned pesticide DDT 45 methane seeps 45 seals sea lions 45 Don Scavia 45 seamounts 45 dioxin PCBs 45 mainstem Umpqua 45 antibiotic resistant germs 45 scallop dredging 45 cypress forest 45 Serengeti ecosystem 45 author Boris Worm 45 Boreal forest 45 Eurasian milfoil 45 sediment buildup 45 riverway 45 sturgeon fishery 45 Milfoil 45 indigenous flora 45 wildlife habitat watersheds 45 Furnace Pond 45 nutrient discharges 45 Inland Bays watershed 45 spectacled eider 45 toxic pollutants 45 cyanobacterial 45 Grass carp 45 saltwater intrusion 45 tidal salt marshes 45 Biodiversity 45 phosphorus concentrations 45 underwater volcanos 45 soil borne pathogens 45 Letsibogo Dam 45 white clawed crayfish 45 Caloosahatchee estuary 45 cui ui 45 coastal upwelling 45 disinfection byproducts 45 hydrology geology 45 wetland soils 45 river basins 45 biogeochemical 45 waterbody 45 noxious algae blooms 45 lake sediments 45 salmon steelhead 45 toxaphene 45 Viral Hemorrhagic Septicemia VHS 45 wastewater overflows 45 overharvest 45 trophic cascade 45 fauna flora 45 COSEWIC 45 insect outbreaks 45 spawning walleyes 45 Ozone layer 45 Himalayan river basins 45 stony corals 45 Wetland 45 pike minnow 45 Eurasian watermilfoil 45 vegetated buffers 45 abiotic stresses 45 gaseous pollutants 45 marine ecologists 45 infertile soils