Name: Northern Tongass GO Ground Data

Display Field: Date

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: Reference data for this project came from numerous sources including: 1) Forest Service field crews collecting vegetation information specific to this project; 2) GO field crews collecting vegetation information for this project; 3) helicopter survey data; 4) Young-Growth Inventory data; 5) legacy data from previous Forest Service survey plots and the Forest Inventory and Analysis (FIA) program (FIA data are not included in this database); 6) legacy data from the prior Yakutat vegetation mapping project; and 7) image interpretation. This database contains reference data collected by GO staff for the Northern Tongass Existing Vegetation Type Map.Tongass National Forest personnel collected most of the ground data that was targeted for this mapping effort using a variety of means—primarily by foot using existing trail and road infrastructure, or by boat—to collect samples that capture the diversity of vegetation across the project area. Helicopter survey data were collected over the course of three weeks in July 2024 for the Northern Tongass, with the goal of reaching difficult to access areas. The Young-Growth Inventory information was leveraged as reference data from actively managed forest stands. Legacy data was cross-referenced with the classification key to label each plot with a vegetation type. All sites were reviewed within the context of their corresponding segment using high-resolution imagery.For more detailed information on reference data methodology please see the Central and Northern Tongass Existing Vegetation Project Report.

Copyright Text: Alaska Region Office, Tongass National Forest, Geospatial Office, The Nature Conservancy, Forest Inventory and Analysis (FIA), State & Private Forestry.

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Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

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YMin: 576234.713399999
XMax: 777238.546
YMax: 761783.8358
Spatial Reference: 26931 (26931)

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Object ID Field: OBJECTID

Unique ID Field:

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Global ID Field: GlobalID

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Date (type: esriFieldTypeDate, alias: Date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• ConiferType (type: esriFieldTypeString, alias: ConiferType, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Shore Pine Peatland: Shore Pine Peatland], [Yellow Cedar Peatland: Yellow Cedar Peatland], [Mixed Conifer Peatland: Mixed Conifer Peatland], ... 13 more ...)
• BroadleafType (type: esriFieldTypeString, alias: BroadleafType, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Red Alder: Red Alder], [Black Cottonwood: Black Cottonwood], [Sitka Spruce-Black Cottonwood: Sitka Spruce-Black Cottonwood], ... 1 more ...)
• ShrubType (type: esriFieldTypeString, alias: ShrubType, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Alder Shrub: Alder Shrub], [Shrub Peatland: Shrub Peatland], [Tall Shrub Mix: Tall Shrub Mix], ... 2 more ...)
• HerbType (type: esriFieldTypeString, alias: HerbType, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Aquatic Herbaceous: Aquatic Herbaceous], [Sedge Peatland: Sedge Peatland], [Wet Herbaceous: Wet Herbaceous], ... 3 more ...)
• NonVegType (type: esriFieldTypeString, alias: NonVegType, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Nonvascular: Nonvascular], [Sparse Vegetation: Sparse Vegetation], [Water: Water], ... 2 more ...)
• TreeCanopyCover (type: esriFieldTypeString, alias: TreeCanopyCover, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Woodland (10-24%): Woodland (10-24%)], [Open (25-59%): Open (25-59%)], [Closed (60-100%): Closed (60-100%)])
• TreeSize (type: esriFieldTypeString, alias: TreeSize, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [TS1 (Sapling <5"dbh): TS1 (Sapling <5"dbh)], [TS2 (Pole 5-8.9"dbh): TS2 (Pole 5-8.9"dbh)], [TS3 (Medium 9-20.9"dbh): TS3 (Medium 9-20.9"dbh)], ... 1 more ...)
• Notes (type: esriFieldTypeString, alias: Notes, SQL Type: sqlTypeOther, length: 300, nullable: true, editable: true)
• TreeSpecies1 (type: esriFieldTypeString, alias: TreeSpecies1, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Sitka Spruce: Sitka Spruce], [Western Hemlock: Western Hemlock], [Red Cedar: Red Cedar], ... 6 more ...)
• Species1_RelCov (type: esriFieldTypeSmallInteger, alias: Species1_RelCov, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeSpecies2 (type: esriFieldTypeString, alias: TreeSpecies2, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Sitka Spruce: Sitka Spruce], [Western Hemlock: Western Hemlock], [Red Cedar: Red Cedar], ... 6 more ...)
• Species2_RelCov (type: esriFieldTypeSmallInteger, alias: Species2_RelCov, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeSpecies3 (type: esriFieldTypeString, alias: TreeSpecies3, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Sitka Spruce: Sitka Spruce], [Western Hemlock: Western Hemlock], [Red Cedar: Red Cedar], ... 6 more ...)
• Species3_RelCov (type: esriFieldTypeSmallInteger, alias: Species3_RelCov, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeSpecies4 (type: esriFieldTypeString, alias: TreeSpecies4, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [Sitka Spruce: Sitka Spruce], [Western Hemlock: Western Hemlock], [Red Cedar: Red Cedar], ... 6 more ...)
• Species4_RelCov (type: esriFieldTypeSmallInteger, alias: Species4_RelCov, SQL Type: sqlTypeOther, nullable: true, editable: true)
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• CreationDate (type: esriFieldTypeDate, alias: CreationDate, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
• Creator (type: esriFieldTypeString, alias: Creator, SQL Type: sqlTypeOther, length: 128, nullable: true, editable: false)
• EditDate (type: esriFieldTypeDate, alias: EditDate, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
• Editor (type: esriFieldTypeString, alias: Editor, SQL Type: sqlTypeOther, length: 128, nullable: true, editable: false)
• Site_ID (type: esriFieldTypeString, alias: Site_ID, SQL Type: sqlTypeOther, length: 512, nullable: true, editable: true)
• QC_VegType (type: esriFieldTypeString, alias: QC_VegType, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true, Coded Values: [Sitka Spruce: Sitka Spruce], [Forested Peatland: Forested Peatland], [Black Cottonwood: Black Cottonwood], ... 36 more ...)
• Source (type: esriFieldTypeString, alias: Source, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)

Templates:

Name: Northern Tongass GO Ground Data
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/13/2025 5:51:22 PM

Schema Last Edit Date: 5/13/2025 5:51:22 PM

Data Last Edit Date: 5/13/2025 5:51:22 PM

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