Acrotelm - Wikipedia

The acrotelm is one of two distinct layers in undisturbed peat bogs. It overlies the catotelm. The boundary between the two layers is defined by the transition from peat containing living plants (acrotelm) to peat containing dead plant material (catotelm). This typically coincides with the lowest level of the water table.^[1] Fluctuations in water table in a peat bog occur within the acrotelm, and hence conditions may vary from aerobic to anaerobic with time.

References

^ Definitions and explanations on the Peatland Ecology Research Group (PERG) website (Accessed 18 May 2010)

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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 Converted 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 Inland salt marsh Interdunal wetland Intertidal wetland Karst Kermi bog Kettle Lagg Mangrove Marsh Marsh gas Mere Mire Misse Moorland Muck Mudflat Muskeg Oasis Pakihi 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 Water-meadow 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 Society of Wetland Scientists Wetlands International Wildfowl & Wetlands Trust
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References