Parent Layer: Karst

Name: Bexar Karst Zones (2024)

Display Field: ZoneName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Karst Zones are delineated areas that inform the likelihood of rare or endangered species being present. Each Karst Zone is delineated within the boundaries of an established Karst Fauna Region, primarily based on lithology (i.e., general physical characteristics of rock types). The Zone definitions are as follows:<div><ul><li><b>Karst Zone 1</b>. Areas known to contain endangered karst invertebrate species.</li><li><b>Karst Zone 2</b>. Areas having a high probability of suitable habitat for endangered or other endemic karst invertebrate species.</li><li><b>Karst Zone 3a</b>. Areas suitable for endangered karst invertebrate species but which have a low probability of containing endangered karst species because the habitat is occupied by other karst invertebrate species.</li><li><b>Karst Zone 3b</b>. Areas which have a low probability of containing endangered karst invertebrate species because they are poorly suited for karst invertebrate species.</li><li><b>Karst Zone 4a</b>. Areas suitable for karst invertebrate species but which do not contain endangered karst species because the habitat is occupied by other karst invertebrate species.</li><li><b>Karst Zone 4b</b>. Areas which do not contain karst invertebrate species.</li></ul></div>

Service Item Id: 75043b82ef4c4fc098f0e412b00765e9

Copyright Text: Veni G, Cooper J, Dickerson W. 2024. Statistical Analysis and Revision of Endangered Karst Invertebrate Species Distribution, San Antonio Area, Texas. Texas Department of Transportation (TxDOT) Voluntary Conservation Measure for US 281 from Loop 1604 to the Comal County Line, Bexar County, Texas. 74 pp. Downloaded 6/24/2024 by Lauren Cardona Webmap: https://www.arcgis.com/apps/mapviewer/index.html?webmap=ca2173075295495db0ca4f93bfb140c9 Service URL: https://services.arcgis.com/QVENGdaPbd4LUkLV/arcgis/rest/services/SanAntonio_KFRs_2024/FeatureServer/0/

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• Value: Karst Zone 1
  Label: Karst Zone 1 - Areas known to contain endangered karst invertebrate species
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• Value: Karst Zone 2
  Label: Karst Zone 2 - Areas having a high probability of suitable habitat for endangered or other endemic karst invertebrate species
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• Value: Karst Zone 3a
  Label: Karst Zone 3a - Areas suitable for endangered karst invertebrate species but which have a low probability of containing endangered karst species because the habitat is occupied by other karst invertebrate species
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• Value: Karst Zone 3b
  Label: Karst Zone 3b - Areas which have a low probability of containing endangered karst invertebrate species because they are poorly suited for karst invertebrate species
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• Value: Karst Zone 4a
  Label: Karst Zone 4a - Areas suitable for karst invertebrate species but which do not contain endangered karst species because the habitat is occupied by other karst invertebrate species
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• Value: Karst Zone 4b
  Label: Karst Zone 4b - Areas which do not contain karst invertebrate species
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