Service Description: Illinois Biological Stream Ratings (Illinois DNR, 2007) uploaded by Raina Monaghan (Field Museum)
Service ItemId: 2c5be64ff93d45e1b6cf3d840b97bc3a
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
Supports Shared Templates: True
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Description: Developed by the Biological Stream Characterization (BSC) Work Group, this multi-tiered classification of streams is based primarily on fish communities. The use of letter grades "A" through "E" for evaluated reaches established a means of communicating levels of biotic integrity to diverse stakeholders. . In 1992, the Illinois Natural History Survey (INHS) published a list of biologically significant streams (BSS) for the purpose of conserving biodiversity across the state. The BSS process expanded on BSC "A" rated streams by adding additional information on endangered and threatened species and mussel diversity. This data layer includes ratings from 1997 through 2007.
Copyright Text: Illinois DNR
Spatial Reference: PROJCS["Illinois State Transverse_Mercator",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",3280833.3333333],PARAMETER["False_Northing",3937000.0],PARAMETER["Central_Meridian",-89.5],PARAMETER["Scale_Factor",0.9998529411767059],PARAMETER["Latitude_Of_Origin",36.66666666666666],UNIT["Foot_US",0.3048006096012192]]
Initial Extent:
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Spatial Reference: PROJCS["Illinois State Transverse_Mercator",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",3280833.3333333],PARAMETER["False_Northing",3937000.0],PARAMETER["Central_Meridian",-89.5],PARAMETER["Scale_Factor",0.9998529411767059],PARAMETER["Latitude_Of_Origin",36.66666666666666],UNIT["Foot_US",0.3048006096012192]]
Full Extent:
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Spatial Reference: PROJCS["Illinois State Transverse_Mercator",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",3280833.3333333],PARAMETER["False_Northing",3937000.0],PARAMETER["Central_Meridian",-89.5],PARAMETER["Scale_Factor",0.9998529411767059],PARAMETER["Latitude_Of_Origin",36.66666666666666],UNIT["Foot_US",0.3048006096012192]]
Units: esriFeet
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