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Description
These polygons were created to represent our perceptions of floristically and physiographically cohesive regions of Nevada. Using Plant Geography of the Intermountain Region (by Noel H. Holmgren, 1972, pages 77-161 in Intermountain Flora, vol. 1, New York Botanical Garden, Bronx) as an initial guide, boundaries were digitized on-screen over the 1998 GAP Land Cover 30-m grid data at between 1:50,000 and 1:100,000 display scale. Each region was visualized to encompass a similar overall mosaic of vegetational, floristic, geologic, topographic, and climatic features, using the GAP data as a tool, but also employing other data including personal knowledge of various portions of the state.
1:100,000.
Source: heritage.nv.gov...
License
- Attribution 3.0
Must credit creator
Specifications
| Type: | Vector polygon |
|---|---|
| Feature count: | 27 |
Version history
Version 1 - Imported on June 27, 2009 from Shapefile 'phytoreg' in NAD27. No errors encountered.
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