Name: Habitat_OffshoreVentura

Display Field: Hab_Code

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This part of SIM 3254 presents data for the habitat map of the seafloor (see sheet 7, SIM 3254) of the Offshore of Ventura map area, California. The vector data file is included in "Habitat_OffshoreVentura.zip," which is accessible from http://pubs.usgs.gov/ds/781/OffshoreVentura/data_catalog_OffshoreVentura.html. Using multibeam echosounder (MBES) bathymetry and backscatter data, potential marine benthic habitat maps were constructed. The habitats were based on substrate types and documented or "ground truthed" using underwater video images and seafloor samples obtained by the USGS. These maps display various habitat types that range from flat, soft, unconsolidated sediment-covered seafloor to hard, deformed (folded), or highly rugose and differentially eroded bedrock exposures. Rugged, high-relief, rocky outcrops that have been eroded to form ledges and small caves are ideal habitat for rockfish (Sebastes spp.) and other bottom fish such as lingcod (Ophiodon elongatus). Habitat map is presented in a map format generated in a GIS (ArcMap), and both digital and hard-copy versions will be produced.

Definition Expression: N/A

Copyright Text:

Default Visibility: true

MaxRecordCount: 1000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

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YMin: 4058026.9862404983
XMax: -1.3276320441439305E7
YMax: 4076672.319106773
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: Hab_Code
Field 2: null
Field 3: null
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Labeling Info:

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Type ID Field: null

Fields:

• FID ( type: esriFieldTypeOID , alias: FID )
• Shape ( type: esriFieldTypeGeometry , alias: Shape )
• Hab_Code ( type: esriFieldTypeString , alias: Hab_Code , length: 20 )
• Hab_Type ( type: esriFieldTypeString , alias: Hab_Type , length: 50 )
• Mega_ID ( type: esriFieldTypeString , alias: Mega_ID , length: 10 )
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• Mod_ID ( type: esriFieldTypeString , alias: Mod_ID , length: 35 )
• Mod ( type: esriFieldTypeString , alias: Mod , length: 50 )
• Hab_Desc ( type: esriFieldTypeString , alias: Hab_Desc , length: 250 )
• area_m2 ( type: esriFieldTypeSingle , alias: area_m2 )

Supported Operations:   Query   Generate Renderer   Return Updates

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