Grass valley

A grass valley (also vega and valle) is a meadow located within a forested and relatively small drainage basin such as a headwater. Grass valleys are common in North America, where they are created and maintained principally by the work of beavers. Rarely, they are associated with cienegas.

The words vega and valle are loanwords from Spanish.

Notable examples

Valles Caldera, New Mexico
Las Vegas Springs Preserve, Nevada

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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Grass valley

Notable examples

See also