Name: Tidal Marsh Inventory (TMI)

Display Field: MarshType

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Virginia Institute of Marine Science published the first Tidal marsh Inventories using data collected in the early 1970's. </SPAN><SPAN>Using high resolution color infra-red imagery from 2009, 2011 and 2013 new Tidal Marsh Inventories have been developed beginning in 2010. Marsh boundaries were generated using heads-up digitizing techniques at a scale of 1:1,000. From 2010 through 2014 marsh polygons were classified by morphologic type: fringe, extensive, embayed, or marsh island. Beginning in 2015, morphologic classification was discontinued. Marshes were ground-truthed in the field where a community type index was assigned to each marsh based on plant community make-up.</SPAN></P><P><SPAN /></P><P><SPAN /></P></DIV></DIV></DIV>

Copyright Text:

Default Visibility: false

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Supported Query Formats: JSON, geoJSON, PBF

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YMin: 4398425.679799996
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Spatial Reference: 102100  (3857)

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• MarshType ( type: esriFieldTypeString, alias: MarshType, length: 50 )
• CmtyType ( type: esriFieldTypeString, alias: CmtyType, length: 254 )
• Reedgrass ( type: esriFieldTypeString, alias: Reedgrass, length: 254 )
• PrcntPhrag ( type: esriFieldTypeString, alias: PrcntPhrag, length: 254 )
• FieldDate ( type: esriFieldTypeDate, alias: FieldDate, length: 8 )
• CommunType ( type: esriFieldTypeString, alias: CommunType, length: 254 )
• Dominant_P ( type: esriFieldTypeString, alias: Dominant_P, length: 254 )
• COUNTY ( type: esriFieldTypeString, alias: COUNTY, length: 50 )
• PubYear ( type: esriFieldTypeString, alias: PubYear, length: 50 )
• Acres ( type: esriFieldTypeDouble, alias: Acres )
• FieldCheck ( type: esriFieldTypeString, alias: FieldCheck, length: 5 )
• MarshNo ( type: esriFieldTypeDouble, alias: MarshNo )
• FIPS ( type: esriFieldTypeSmallInteger, alias: FIPS )
• FIPSCode ( type: esriFieldTypeString, alias: FIPSCode, length: 10 )
• PhragPres ( type: esriFieldTypeString, alias: PhragPres, length: 50 )
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