Layer: Nonindigenous Aquatic Species _ NAS _ USGS

View In: Map Viewer

Name: Nonindigenous Aquatic Species _ NAS _ USGS _ ds731

Display Field: CUNAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This GIS dataset offers a link to the California portion of the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. The NAS program has been established as a central repository for accurate and spatially referenced biogeographic accounts of nonindigenous aquatic species. The program provides scientic reports, online/realtime queries, spatial data sets, regional contact lists, and general information. The goal of the information system is to provide timely, reliable data about the presence and distribution of nonindigenous aquatic species. The NAS database contains locality information for more than 1100 species of vertebrates, invertebrates, and vascular plants. The NAS program provides a continual national repository of distribution information for nonindigenous aquatic species that is used to gain an understanding of aquatic introductions, identify geographic gaps, and access the status of introduced aquatic species nationwide. Data are obtained from many sources including literature, museums, databases, monitoring programs, state and federal agencies, professional communications, online reporting forms, and Aquatic Nuisance Species (ANS) hotline reports. The NAS program defines a nonindigenous aquatic species as a member(s) of a species that enters a body of water of aquatic ecosystem outside of its historic or native range. This includes not only species that arrived from outside of North America but also species native to North America that have been introduced to drainages outside their ranges within the country. Please visit http://nas.er.usgs.gov for more information and to see all of the products and data available through the NAS program.

Copyright Text: U.S. Geological Survey. 2012. Nonindigenous Aquatic Species (NAS) Database, Gainesville, FL. Please visit http://nas.er.usgs.gov to see the full range of products and services offered by NAS. This particular dataset was produced by Laura Ryley, Pacific States Marine Fisheries Commission, to bring the functionality of the NAS Query by Drainage (8-digit HUC) page (http://nas.er.usgs.gov/queries/huc8.aspx?state=CA) into the CalFish map viewer.

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

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

Unique ID Field:

Global ID Field:

Type ID Field:

Fields:

OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
HUC (type: esriFieldTypeInteger, alias: HUC, SQL Type: sqlTypeOther, nullable: true, editable: true)
CUNAME (type: esriFieldTypeString, alias: CUNAME, SQL Type: sqlTypeOther, length: 48, nullable: true, editable: true)
LINK (type: esriFieldTypeString, alias: LINK, SQL Type: sqlTypeOther, length: 254, 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:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 10/23/2025 8:35:12 PM

Schema Last Edit Date: 10/23/2025 8:35:12 PM

Data Last Edit Date: 10/23/2025 8:32:33 PM

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

Layer: Nonindigenous Aquatic Species _ NAS _ USGS _ ds731 (ID:0)