Vegetation Classification and Mapping Project Report - USGS

G38
B35 Barren Wash
Figure.G68..Ground.photo.for.map.class.B35,.
Barren.Wash.
Location: This map class occurred in the project boundary in sandy wash bottoms washes that have no to
little vegetation. It occurred mainly in areas where periodic water flow limits vegetation establishment. The
ground photo shows the barren wash bottom with adjacent vegetation.
Photosignature: This map class was identified in wash bottoms as a light brownish, tan color without any
speckles of vegetation.
Plant communities
NA
Group map class Inter-Mountain Basins Wash (1 of 6)
Management map class Barren Wash (1 of 1)
Macrogroup map class Inter-Mountain Basins Wash (1 of 6)
Number of map units in park 35
Number of map units in park & environs 47
Number of map units less than 0.5 ha 5 (0.3% of total map class area)
Area of map class in park
319.4 ha / 789.1 ac
Total area of map class
498.7 ha / 1232.4 ac
Proportion of land cover in park 0.8%
Proportion of map class in project environs 36.0%
Base map class accuracy user 70.8 (54.1 - 83.3), producer 85.0 (67.8 - 93.8)
Group map class accuracy user 66.3 (57.7 - 73.9), producer 69.4 (60.7 - 76.9)
Management map class accuracy user 70.8 (54.1 - 83.3), producer 85.0 (67.8 - 93.8)
Macrogroup map class accuracy user 66.3 (57.5 - 73.9), producer 69.4 (60.7 - 76.9)
Documentation for base map class
0 2003 relevés, 0 1996 relevés, 0 AA observation sites
Vegetation Classification and Distribution Mapping Report: Petrified Forest National Park
Figure.G69..Photosignature.for.map.class.B35,.
Barren.Wash.