Parent Layer: Gulf of Mexico

Name: Oyster Reefs

Display Field: oy_code

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Source: TNC Northern Gulf of Mexico ecoregion (2000) Description: This shapefile contains the oyster reef data. Only Texas, Alabama, and Florida oyster data are included in the data. Louisiana & Mississippi data were not available in the format to show the geographical distribution; thus the true distribution of the oyster reefs along the northern Gulf of Mexico is underrepresented in the data. Notes: FL section: Oyster polygons were extracted from NWFWMD Habitat coverage in the Apalachicola Bay and saved as a shapefile. The polygons with Mollusk, oyster reef or beds category were also extracted from the FMRI/NWRC nwgrass92 coverage and saved as a shapefile. TX section: The oyster data (Oysters coverage) from the TPWD/TX A&M University downloaded from the TGLO web site required some cleaning up. Separate TPWD data files (Nr94 and N94) were used to replace the problematic area of the Oysters coverage because they seemed to be the source data for the Texas Oysters coverage (They are identical around the Corpus Christi Bay area). The polygons with non-oyster attribute data were also dropped from the Texas Oysters data. AL section: Alabama oyster reefs were created from the X & Y coordinates of ALDCNR oyster survey data in the ArcView. (1. The X & Y coordinates were saved as a point shapefile ("Add event theme"). 2. Oyster reef polygons were created using the point shapefile (XTools: "Make one polygon from points").) <a href='xml/NGoM_TNC_ERA_2000.pdf' target='_blank'><b>TNC 2000 ERA Report </b><a></br>

Copyright Text:

Default Visibility: false

MaxRecordCount: 100000

Supported Query Formats: JSON, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

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Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -1.08529242006E7
YMin: 3229348.0348999985
XMax: -9203106.6636
YMax: 3547934.2096000016
Spatial Reference: 102100  (3857)

Drawing Info:

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Label: TNC 2000
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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• perimeter ( type: esriFieldTypeDouble, alias: PERIMETER )
• ngomoy_ ( type: esriFieldTypeInteger, alias: NGOMOY_ )
• ngomoyid ( type: esriFieldTypeInteger, alias: NGOMOYID )
• oy_code ( type: esriFieldTypeString, alias: OY_CODE, length: 45 )
• source ( type: esriFieldTypeString, alias: SOURCE, length: 11 )
• habitat ( type: esriFieldTypeString, alias: HABITAT, length: 15 )
• hb_code ( type: esriFieldTypeString, alias: HB_CODE, length: 8 )
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• shape_Area ( type: esriFieldTypeDouble, alias: shape_Area )

Supported Operations:   Query   Generate Renderer   Return Updates

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