1969 Vegetation Map of Illilouette Creek Basin

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Created: May 21, 2017 at 10:03 p.m.
Last updated: May 21, 2017 at 10:03 p.m.
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Content types: Geographic Raster Content 
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The Illilouette Creek Basin in Yosemite National Park has experienced a large number of managed wildfires since 1972, when the managed wildfire program in this area began. The 1969 map captures vegetation cover following a period of at least 90 years with no wildfires above 5 ha in size within the watershed. This vegetation map was created in eCognition using aerial imagery provided by the Yosemite National Park archives, taken by Cartwright aerial surveys. Vegetation is divided into the following broad categories: conifer, shrubland, sparse vegetation, and dense meadow.

Vegetation Type Codes
0 - Exposed rock or open water
1 - Conifer (mainly Pinus contorta, Pinus jeffreyi, Abies magnifica, Abies concolor)
2 - Shrubland (mainly Ceanothus cordulatus)
3 - Sparsely Vegetated (but not exposed rock)
4 - Dense Meadow (most of this area is wetland, but not all could be verified as true wetland)

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Resource Level Coverage


Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:


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Related Resources

This resource updates and replaces a previous version Boisrame, G. (2017). 1969 Vegetation Map of Illilouette Creek Basin, HydroShare, http://www.hydroshare.org/resource/6fd8f33c510245aca4ca878bf3028d65
The content of this resource is derived from http://www.hydroshare.org/resource/358f49ee812648ccaaf4da4ce79f3313

How to Cite

Boisrame, G. (2017). 1969 Vegetation Map of Illilouette Creek Basin, HydroShare, http://www.hydroshare.org/resource/333de41ff60d495cb65efb4cf09868af

This resource is shared under the Creative Commons Attribution CC BY.



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