Low marsh

Low marsh is a tidal marsh zone. It is characterized as being flooded daily.

The water of the low marsh is shallow, silt laden, salty, and warm. These factors decrease the water's capacity to hold dissolved oxygen. Spartina alterniflora and some types of algae are the only plants that can survive in this zone. Some areas of the low marsh are covered by the tides for most of the day. The mud that makes up the soil in the low marsh has high levels of salinity. A plant that lives in soil that is highly saline is known as a halophyte.

Wetlands and conservation
Generally	Acrotelm Aquatic ecosystem Aquatic plants Backswamp Bayou Beach meadow Blackwater river Blanket bog Bog Bog garden Brackish marsh Callows Carr Cataract bog Ciénega Clean Water Act Clearwater river Coastal bog Coniferous swamp Constructed wetland Dambo Drainage basin Estuary Fen Flark Flood-meadow Flooded grasslands and savannas Freshwater marsh Freshwater swamp forest Grass valley Guelta Halosere Hydrosere Igapó Ings Interdunal wetland Intertidal wetland Karst Kermi bog Kettle Lagg Mangrove Marsh Marsh gas Mere Mire Misse Moorland Muck Mudflat Muskeg Oasis Palsa bog Paludification Palustrine wetland Peatland Plateau bog Pocosin Polygonal bog Pond Peat swamp forest Poor fen Pothole Quagmire Raised bog Reed bed Rich fen Riparian zone River delta Salt marsh Salt pannes and pools Shrub swamp Slough String bog Swamp Telmatology Tidal marsh Upland bog Wet meadow Will-o'-the-wisp Várzea forest Vernal pool Whitewater river Yaéré
Classification systems	Wetland classification A Directory of Important Wetlands in Australia National Wetlands Inventory Ramsar Convention
Organizations	Bangladesh Haor and Wetland Development Board Delta Waterfowl Foundation Ducks Unlimited Irish Peatland Conservation Council Wetlands International Wildfowl & Wetlands Trust Society of Wetland Scientists

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