Layer: Biologically Important Areas (ID:5)

View In: Map Viewer

Name: Biologically Important Areas

Display Field: sci_name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Has Views: true

Source Schema Changes Allowed: true

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Description: The Cetacean Density and Distribution Mapping Working Group identified Biologically Important Areas (BIAs) for 24 cetacean species, stocks, or populations in seven regions (US East Coast, Gulf of Mexico, West Coast, Hawaiian Islands, Gulf of Alaska, Aleutian Islands and Bering Sea, and Arctic [encompassing the northeastern Chukchi and western Beaufort seas]) within US waters. BIAs are reproductive areas, feeding areas, migratory corridors, and areas in which small and resident populations are concentrated. BIAs are region-, species-, and time-specific. Information provided for each BIA includes the following: 1) a written narrative describing the information, assumptions, and logic used to delineate the BIA; 2) a map of the BIA; 3) a list of references used in the assessment; and 4) a metadata table that concisely details the type and quantity of information used to define a BIA, providing transparency in how BIAs were designated in a quick reference table format. BIAs were identified through an expert elicitation process. The delineation of BIAs does not have direct or immediate regulatory consequences. Rather, the BIA assessment is intended to provide the best available science to help inform regulatory and management decisions under existing authorities about some, though not all, important cetacean areas in order to minimize the impacts of anthropogenic activities on cetaceans and to achieve conservation and protection goals. In addition, the BIAs and associated information may be used to identify information gaps and prioritize future research and modeling efforts to better understand cetaceans, their habitat, and ecosystems.

Copyright Text: Van Parijs, S. M., Curtice, C., & Ferguson, M. C. (Eds.). (2015). Biologically important areas for cetaceans within U.S. waters. Aquatic Mammals (Special Issue), 41(1), 1-128.

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Max. Scale: 0

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Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

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Object ID Field: FID

Unique ID Field:

Global ID Field:

Type ID Field: BIA_type

Fields:

FID (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
OBJECTID (type: esriFieldTypeInteger, alias: OBJECTID, SQL Type: sqlTypeOther, nullable: true, editable: true)
BIA_ID (type: esriFieldTypeSmallInteger, alias: BIA_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
region (type: esriFieldTypeString, alias: region, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
sci_name (type: esriFieldTypeString, alias: sci_name, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
cmn_name (type: esriFieldTypeString, alias: cmn_name, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
stock_pop (type: esriFieldTypeString, alias: stock_pop, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
BIA_name (type: esriFieldTypeString, alias: BIA_name, SQL Type: sqlTypeOther, length: 75, nullable: true, editable: true)
BIA_type (type: esriFieldTypeString, alias: BIA_type, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
BIA_time (type: esriFieldTypeString, alias: BIA_time, SQL Type: sqlTypeOther, length: 75, nullable: true, editable: true)
migr_dir (type: esriFieldTypeString, alias: migr_dir, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
BIA_size (type: esriFieldTypeDouble, alias: BIA_size, SQL Type: sqlTypeOther, nullable: true, editable: true)
BIA_months (type: esriFieldTypeString, alias: BIA_months, SQL Type: sqlTypeOther, length: 50, 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)

Types:

BIA_type: Feeding

BIA_type: Migration

BIA_type: Reproduction

BIA_type: Small and resident

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 4/21/2024 8:32:31 PM

Schema Last Edit Date: 4/21/2024 8:32:31 PM

Data Last Edit Date: 4/21/2024 8:32:31 PM

Supported Operations: Query Query Top Features Query Analytic Query Bins Generate Renderer Validate SQL Get Estimates ConvertFormat