Name: Goshawk - Threshold Zone

Display Field: Nest

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This feature class contains goshawk threshold zones based on the TRPA definition of 500 acres (± 5 acres) of the best habitat surrounding a nest, including a ¼ mile radius around the nest tree. Threshold zones were delineated without regard to land owner or known project areas. The LTBMU goshawk habitat model and the author’s personal knowledge of each site were used to delineate habitat since time and funds for field visits were unavailable. Outside of the ¼ mile buffer high quality habitat was prioritized, followed by moderate quality habitat. Low quality habitat was excluded where possible. Where ¼ mile nest buffers overlapped, one threshold zone that included all ¼ mile buffers was made, equaling 500 acres, regardless of the number of nests. The one exception to this is the Hellhole territory. The combined overlapping ¼ mile buffers alone equaled more than 500 acres. In this case the threshold zone exceeds 500 acres and does not include habitat beyond the nest buffer. Only nests where the tree has been verified to be non-extant (Cascade Lake 1984B, and Angora Creek 1981B, 1981D, 1991C, 1992A, 1993C, 2001A, 2003A and 2004I) or where the nest tree is outside the TRPA boundary (not always the same as the LTBMU boundary) (Genoa Peak 1999D, 2003L and 2004L, and Martis Peak 2009F) were excluded from this shapefile.

Service Item Id: 65ef1554153c4df78ca4851b5a5585ea

Copyright Text: Tahoe Regional Planning Agency

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -1.338546479570979E7
YMin: 4687545.612000472
XMax: -1.3344322671990683E7
YMax: 4764324.901156472
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Simple Renderer:
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Outline:
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Transparency: 30
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
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Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Nest ( type: esriFieldTypeString, alias: Nest, length: 254 )
• Territory ( type: esriFieldTypeString, alias: Territory, length: 254 )
• Perimeter ( type: esriFieldTypeDouble, alias: Perimeter )
• Acres ( type: esriFieldTypeDouble, alias: Acres )
• Hectares ( type: esriFieldTypeDouble, alias: Hectares )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• Shape.STArea() ( type: esriFieldTypeDouble, alias: Shape.STArea() )
• Shape.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )
• GlobalID ( type: esriFieldTypeGlobalID, alias: GlobalID, length: 38 )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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