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wetlands    音标拼音: [w'ɛtl,ændz]
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  • What is a Wetland? | US EPA
    Wetlands are areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season
  • Wetland - Wikipedia
    Article 1 1: " wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low tide does not exceed six meters "
  • StatewideWetlandsInventory - ArcGIS
    The location and extent of wetlands and other waters is approximate There may be unmapped wetlands and other waters present that are subject to regulation A current Oregon Department of State Lands-approved wetland delineation is required for state removal-fill permits
  • Wetland | Definition, Characteristics, Types, Importance, Examples . . .
    wetland, complex ecosystem characterized by flooding or saturation of the soil, which creates low-oxygen environments that favor a specialized assemblage of plants, animals, and microbes These organisms exhibit adaptations designed to tolerate periods of sluggishly moving or standing water
  • Oregon Department of State Lands : Welcome Page : Projects In Wetlands . . .
    While wetlands may take many forms, they all provide essential human and environmental benefits that make them important to conserve Many wetlands absorb and temporarily store stormwater flows, reducing damage caused by flooding and streambank erosion
  • Wetlands Mapper | U. S. Fish Wildlife Service
    The Wetland Mapper fulfills the U S Fish and Wildlife Service’s strategic plan for the development, revision and dissemination of wetlands data and information to resource managers and the public
  • Local Wetland Inventory City of Medford
    The Local Wetlands Inventory Report is available as a PDF document at the bottom of this page Clicking on the Adobe PDF icon will open the report in a new window
  • Oregon Department of State Lands : Inventories and Maps : Projects In . . .
    DSL maintains a Statewide Wetlands Inventory web map that displays the approximate locations of wetlands and waters throughout Oregon The map also shows areas where soil is likely to be wetter longer, indicating there may be unmapped wetlands present
  • Classification and Types of Wetlands - US EPA
    In this system, wetlands are classified by landscape position, vegetation cover and hydrologic regime The Cowardin system includes five major wetland types: marine, estuarine, lacustrine, palustrine and riverine





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