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Service Description: This map contains the terrestrial ecosystems in the conterminous United States developed during a United States Geological Survey’s (USGS) global ecosystems mapping effort. Terrestrial ecosystem distribution mapping used a geospatial mapping methodology based on a deductive, biophysical stratification approach to delineate ecosystems by their major structural elements (Sayre and others, 2009). First major ecosystem structural components were modeled (bioclimates, land surface forms, surficial lithology and topographic moisture position) and spatially combined to produce a new set of biophysical settings, termed ecosystem structural footprints, to characterize the abiotic (physical) potential of the environment. Aggregation of the unique structural footprints into the terrestrial ecosystems classification developed by NatureServe was the final step (Comer and others, 2003). Additional information and access to this data is available at https://rmgsc.cr.usgs.gov/ecosystems/.
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Copyright Text:
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -1.2337837254521616E7
YMin: 6195493.788343247
XMax: -9373962.303656496
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Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.425013993774186E7
YMin: 2595044.691510197
XMax: -7260718.9458013335
YMax: 6741644.630725439
Spatial Reference: 102100
(3857)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Conterminous United States Terrestrial Ecosystems and Base Layers
Author: USGS Land Change Science Program Global Ecosystems
Comments: This map contains the terrestrial ecosystems in the conterminous United States developed during a United States Geological Survey’s (USGS) global ecosystems mapping effort. Terrestrial ecosystem distribution mapping used a geospatial mapping methodology based on a deductive, biophysical stratification approach to delineate ecosystems by their major structural elements (Sayre and others, 2009). First major ecosystem structural components were modeled (bioclimates, land surface forms, surficial lithology and topographic moisture position) and spatially combined to produce a new set of biophysical settings, termed ecosystem structural footprints, to characterize the abiotic (physical) potential of the environment. Aggregation of the unique structural footprints into the terrestrial ecosystems classification developed by NatureServe was the final step (Comer and others, 2003). Additional information and access to this data is available at https://rmgsc.cr.usgs.gov/ecosystems/.
Subject: This map contains the terrestrial ecosystems in the conterminous United States.
Category:
Keywords: global ecosystems
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, AMF, geoJSON
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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