Parent Layer: At Sea Surveys

Name: Study area

Display Field: OBJECTID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Assembled using first the applicable sections of the Canada-United States border as delineated by the International Border Commission (IBC) and second extending out to the 200 nm limit as agreed under the United Nations Convention on the Law Of the Sea (UNCLOS)Some very small edits were required to connect up the line work from IBC and UNCLOS.The shapefile supplied by IBC does not claim large-scale precision (1:62,500, 1:200,000, 1:250,000). Not sure what this means. On previous projects created my own layer from coordinates supplied by IBC. Similarly the boundaries of the EEZ appear to have been based on smaller-scale coatline. The marine boundaris should be sufficiently precise for at-sea surveys.Linework was traced to form a polygon in this layer, BC_Sea.Cut polygon with the BC 1:20,000 TRIM coastline, BC_TRIM_Land_BCtoOregon. So, there should be no slivers when using this with other datasets such as those from the province.BC_Sea_TRIMpolygon split using Strata_Cutlinesto form the strata polygons here in BC_Sea_TRIM_Survey_Strata.

Copyright Text: Doug Hrynyk, GISP Canadian Wildlife Service.

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Extent:

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YMin: 359741.6528000012
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Spatial Reference: 102190  (3005)

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Fields:

• FID ( type: esriFieldTypeOID, alias: FID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• OBJECTID ( type: esriFieldTypeInteger, alias: OBJECTID )
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• area_km2 ( type: esriFieldTypeInteger, alias: area_km2 )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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