Name: West Coast Canopy-Forming Kelp, 1989-2014

Display Field: STATE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: These data are a compilation of existing data sets delineating canopy-forming kelp beds along the coasts of Washington, Oregon, and California. Canopy-forming kelp includes species of the genuses Nereocystis (bull kelp) and Macrocystis (giant kelp). It does not include the understory kelp genuses, such as Laminaria or Alaria. The data depict all kelp observations from all surveys, merged into continuous polygons with the internal boundaries removed (dissolved). This depiction is sometimes referred to as the "maximum extent." These data also delineate general survey extents of canopy-forming kelp surveys performed in the same spatial extent. Different sections of the coast have been surveyed during different time periods. The number of surveys per section of coast ranges from 1 to 25 surveys. The kelp survey extent data depict the general sections of coastline that were surveyed, how many times they were surveyed, the years of the survey, and which source data were included in the final kelp data compilation.

Copyright Text: Bureau of Ocean Energy Management (BOEM)

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MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: false

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Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -1.389184495850845E7
YMin: 3833187.6340999976
XMax: -1.3038167341699999E7
YMax: 6178559.305736183
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
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• Value: kelp
  Label: kelp
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• Value: 1 - 2 surveys
  Label: 1 - 2 surveys
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• Value: 6 - 7 surveys
  Label: 6 - 7 surveys
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• Value: 9 - 11 surveys
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• Value: 18 - 19 surveys
  Label: 18 - 19 surveys
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• Value: 25 surveys
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Labeling Info:

Advanced Query Capabilities:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• SURVEYS ( type: esriFieldTypeInteger, alias: Surveys )
• STATE ( type: esriFieldTypeString, alias: State, length: 20 )
• SURVEYYEARS ( type: esriFieldTypeString, alias: Survey Years, length: 50 )
• SOURCE ( type: esriFieldTypeString, alias: Source, length: 40 )
• DISPLAY ( type: esriFieldTypeString, alias: Display, length: 20 )
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• SHAPE_Area ( type: esriFieldTypeDouble, alias: SHAPE_Area )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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