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Playas are one of the most numerous wetland types in the Playa Lakes Joint Venture region. Playas are shallow, depressional wetlands that are generally round and small in size. They have clay-lined basins and naturally fill with water periodically from rainfall and its associated runoff. Precipitation is inconsistent in the PLJV region and drought is a common occurrence. The resulting wet-dry cycle of playas produces a highly diverse plant community. When wet, playas provide much needed seeds and invertebrates so migrating birds reach their breeding grounds in better condition. Likewise, birds that overwinter in the region have a better chance of success when playas are allowed to function naturally. Playa lakes may be the most important wetland habitat type for birds in this region. Playas are also a primary source of aquifer recharge. |