Name: RiceWhaleDistribution

Display Field: AREA_NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This GIS data represents the current core distribution area Rice's whale based on the best available data. The GIS data will be updated and could change as new data are collected. This Core Area polygon was created by drawing a convex hull polygon around all recorded Rice's whale sighting locations from NMFS SEFSC surveys and tag data collected between 1989 and 2018. The convex hull polygon was trimmed on the western-side to the 410 m. To incorporate the high degree of uncertainty in the whales’ distribution into a definition of core distribution, a 10 km buffer was applied to capture the uncertainty in position data and the 10km strip width of the visual surveys, followed by addition of a 20 km buffer to this "position uncertainty" to account for the possible movement whales could make in any one direction from an observed sighting.

Copyright Text: Rosel, Wilcox and Mullin in press

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -88.2425303140354
YMin: 26.7441580459792
XMax: -84.5147191993366
YMax: 30.1471749553266
Spatial Reference: 4267 (4267)

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID_1

Unique ID Field:

Name : OBJECTID_1

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• OBJECTID_1 (type: esriFieldTypeOID, alias: OBJECTID_1, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• OBJECTID (type: esriFieldTypeInteger, alias: OBJECTID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• AREA_NAME (type: esriFieldTypeString, alias: AREA_NAME, SQL Type: sqlTypeOther, length: 75, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: RiceWhaleDistribution
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/21/2025 5:32:11 PM

Schema Last Edit Date: 2/21/2025 5:32:11 PM

Data Last Edit Date: 2/21/2025 5:32:11 PM

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