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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/.

Map Name: Layers

Legend

All Layers and Tables

Dynamic Legend

Dynamic All Layers

Layers:

• Ecosystems (0)
• Bioclimates (1)
• Land Surface Forms (2)
• Surficial Lithology (3)
• Topographic Position (4)

Description:

Copyright Text:

Spatial Reference: 102100  (3857)


Single Fused Map Cache: false

Initial Extent:

XMin: -1.2337837254521616E7
YMin: 6195493.788343247
XMax: -9373962.303656496
YMax: 6999256.48688294
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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