Layer: Northern Tongass Forest Service Ground Data (ID:0)

View In: Map Viewer

Name: Northern Tongass Forest Service Ground Data

Display Field: username

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 US Forest Service field crews 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.

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: true

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: objectid

Unique ID Field:

Global ID Field: globalid

Type ID Field:

Fields:

objectid (type: esriFieldTypeOID, alias: objectid, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
globalid (type: esriFieldTypeGlobalID, alias: GlobalID, SQL Type: sqlTypeOther, length: 38, nullable: false, editable: false)
username (type: esriFieldTypeString, alias: username, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
start_time (type: esriFieldTypeDate, alias: start_time, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
observer_initials (type: esriFieldTypeString, alias: Observer Initials, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
site_id (type: esriFieldTypeString, alias: Site ID, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
site_type (type: esriFieldTypeString, alias: Site Type, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [descriptive: Descriptive], [observation: Observational])
managed_stand (type: esriFieldTypeString, alias: Managed Stand, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [yes: Yes], [no: No])
cedar_decline_present (type: esriFieldTypeString, alias: Cedar Decline Present?, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [yes: Yes], [no: No])
defoliators_present (type: esriFieldTypeString, alias: Sawfly/Budworm Defoliation Present?, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [None: None], [Low: Low], [Medium: Medium], ... 1 more ...)
slope (type: esriFieldTypeInteger, alias: % Slope Average, SQL Type: sqlTypeOther, nullable: true, editable: true)
aspect (type: esriFieldTypeInteger, alias: Aspect, SQL Type: sqlTypeOther, nullable: true, editable: true)
site_notes (type: esriFieldTypeString, alias: Site Notes, SQL Type: sqlTypeOther, length: 300, nullable: true, editable: true)
elevation_ft (type: esriFieldTypeInteger, alias: elevation_ft, SQL Type: sqlTypeOther, nullable: true, editable: true)
life_form_cov (type: esriFieldTypeString, alias: Lifeform, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
lf_tree_percent (type: esriFieldTypeInteger, alias: Tree Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_shrub_percent (type: esriFieldTypeInteger, alias: Shrub Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_forb_percent (type: esriFieldTypeInteger, alias: Forb Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_graminoid_percent (type: esriFieldTypeInteger, alias: Graminoid Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_moss_percent (type: esriFieldTypeInteger, alias: Moss Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_lichen_percent (type: esriFieldTypeInteger, alias: Lichen Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_nonveg_percent (type: esriFieldTypeInteger, alias: Non-Veg Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_other_percent (type: esriFieldTypeInteger, alias: Other Lifeform Seen from Above % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_total (type: esriFieldTypeInteger, alias: Grand Total of Lifeform % Cover, SQL Type: sqlTypeOther, nullable: true, editable: true)
lf_count (type: esriFieldTypeString, alias: lf_count, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
dom_lf (type: esriFieldTypeString, alias: Dominant Lifeform, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [conifer_forest: Conifer Forest], [broadleaf_forest: Broadleaf Forest], [con_broadleaf_for: Conifer - Broadleaf Forest], ... 3 more ...)
dominance_type (type: esriFieldTypeString, alias: Dominance Type, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
other_dom_type (type: esriFieldTypeString, alias: Other Dominance Type, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
field_map_unit3 (type: esriFieldTypeString, alias: Map Unit Determined by Field Data Entry, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
tree_size_class (type: esriFieldTypeString, alias: Most Common Tree Size Class, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [se: Seedling (<1.0" DBH)], [sa: Sapling (1 - 4.9" DBH)], [pt: Pole (5.0 - 8.9" DBH)], ... 3 more ...)
shrub_size_class (type: esriFieldTypeString, alias: Most Common Shrub Size Class, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [ls: Low Shrub (<2.5 ft tall)], [ms: Medium Shrub (2.5 - 6.5 ft tall)], [ts: Tall Shrub (>6.5 ft tall)])
forest_series (type: esriFieldTypeString, alias: Forest Series, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [tshe_series: TSHE Series], [tshe_chno_series: TSHE - CHNO Series], [pisi_series: PISI Series], ... 4 more ...)
plant_assn (type: esriFieldTypeString, alias: Plant Association, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
drainage (type: esriFieldTypeString, alias: Soil Drainage, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [well: Well], [mod_well: Moderately Well], [somewhat_poor: Somewhat Poorly], ... 2 more ...)
ph (type: esriFieldTypeDouble, alias: pH, SQL Type: sqlTypeOther, nullable: true, editable: true)
par_material (type: esriFieldTypeString, alias: Parent Material, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [alluvium: Alluvium], [colluvium: Colluvium], [till: Till], ... 2 more ...)
qaqc (type: esriFieldTypeString, alias: qaqc, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
spatial_confidence (type: esriFieldTypeString, alias: spatial_confidence, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
qaqc_notes (type: esriFieldTypeString, alias: qaqc_notes, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
QAQCMapUnit (type: esriFieldTypeString, alias: QAQCMapUnit, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
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)
segmentID (type: esriFieldTypeString, alias: segmentID, SQL Type: sqlTypeOther, length: 256, nullable: true, editable: true)
QC_VegType (type: esriFieldTypeString, alias: QC_VegType, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
GTAC_Site_ID (type: esriFieldTypeString, alias: GTAC_Site_ID, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
Source (type: esriFieldTypeString, alias: Source, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)

Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/13/2025 7:45:29 PM

Schema Last Edit Date: 5/13/2025 7:45:29 PM

Data Last Edit Date: 5/13/2025 7:45:29 PM

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