Related by context. Frequent words. (Click for all words.) 64 headwater streams 63 aquatic habitats 63 forested wetlands 61 freshwater wetlands 60 biota 60 watersheds 60 deciduous forests 59 tidal marshes 59 mussel species 58 freshwater mussels 58 wetland ecosystems 58 freshwater ponds 58 aquatic ecosystem 58 cypress swamps 58 native brook trout 58 wetlands 58 headwater 58 wetland 57 ecologies 56 headwaters 56 trout stream 56 aquatic habitat 56 ecosystems 56 groundwater aquifers 56 aquatic ecosystems 55 embayment 55 tributary streams 55 phytoplankton blooms 55 coastal estuaries 55 grassland habitat 55 inter tidal 55 biogeochemical 55 biodiversity hotspot 55 lakes 54 beaver ponds 54 Soil erosion 54 bottomland 54 Stormwater runoff 54 landform 54 acidic soils 54 wetland habitat 53 tidal wetlands 53 hardwood forests 53 terrestrial ecosystems 53 riparian habitat 53 tributary 53 rivers 53 bioaccumulation 53 waterways 53 lakeshores 53 bottomlands 53 federally endangered 53 fluvial 53 waterbodies 53 deciduous forest 53 species 53 freshwater marshes 53 tributaries 53 intertidal zone 53 drainage basins 53 hydrothermal vent 53 seagrasses 53 streambeds 53 marine sediments 53 estuaries 52 river deltas 52 spawning habitat 52 habitat 52 forest ecosystems 52 soils 52 sediment 52 karst 52 barrens 52 eel grass 52 lake sediments 52 mainstem 52 aquifer recharge 52 tidal marsh 52 tidal rivers 52 wetland habitats 52 seagrass beds 52 aquatic organisms 52 nutrient loading 52 Algae blooms 51 intermittent streams 51 habitats 51 anadromous fish 51 alluvial deposits 51 aquatic insects 51 lowland forests 51 beaver pond 51 nitrogen fixation 51 freshwater 51 streams 51 river valleys 51 Lake Tenkiller 51 salt marshes 51 streamside 51 Cyanobacteria 51 estuary 51 grassland birds