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Oregon Indicators of Sustainable Forests
A photo of North and Middle Sister mountains in Central Oregon

Indicator E.a. - Maps and Data for the Report on the South East Oregon Mapping Region
 
Figure 26. Forest type based on dominant species. 
Figure 27. Size classes. 
Figure 28. Amount of forested area in each size class by dominant tree species. 
Figure 29. Percent canopy cover of all live trees. 
Table 8. Summary statistics of the diversity of forest types. 
 
 
 
Figure 26. Forest type based on dominant species
 
This is a map of the forest types based on dominant species for the South East Oregon Mapping Region. 
 

Map Legend and Data for Figure 26
Dominant Species
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Juniper
173 (427)
92.6
 Mountain mahogany 
6 (15)
3.2
 Ponderosa pine
6 (15)
3.2
 
 
Printable map and data file [jpg; 221 KB]

 
 
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Figure 27. Six categories of size classes.
 
This is a map displaying six categories of size classes for the South East Oregon Mapping Region. 


 
Map Legend and Data for Figure 27
Size Class
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Shrub/Seedling
QMDA_DOM <2.5 or CANCOV <10
2 (5)
1.0
 Sapling/Pole
QMDA_DOM <=2.5 and <25.0
115 (283)
61.3
Small tree
QMDA_DOM <=25.0 and <37.5
47 (115)
25.0
Medium tree
QMDA_DOM <=37.5 and <50.0
12 (29)
6.32
Large tree
QMDA_DOM <=50.0 and <75.0
12 (29)
6.4
Giant tree
QMDA_DOM >=75.0
0 (0)
0
 
*QMDA_DOM represents the quadratic mean diameter (in centimeters) or the dominent tree species.  CANCOV represents canopy cover estimated from the Forest Vegetation Simulator.
 
 
Printable map and data file [jpg; 223 KB]

 
 
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Figure 28. Amount of forested area in each size class by dominant tree species.
 
This is a bar graph displaying the amount of forested area in each size class by dominant tree species for the South East Oregon Mapping Region. 
 
 
Printable chart [jpg; 42 KB]

 
 
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Figure 29. Percent canopy cover of all live trees.
 
This is a map displaying the percent canopy cover of all live trees in the South East Oregon Mapping Region. 
 
 

Map Legend and Data for Figure 29
Canopy Cover Class
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Less than 10%
61 (150)
32.4
 10% to 40%
123 (304)
65.9
 40% to 70%
3 (8)
1.7
 Greater than 70%
0 (0)
0
 
 
Printable map and data file [jpg; 191 KB]

 
 
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Table 8. Summary statistics of the diversity of forest types.
 
Species
Average
Percent
Canopy
Cover
Area
Hectares (Acres)
Percent
of Total
Forest Area
Number of
Forest
Subtypes
 Juniper
14
173,090 (427,716)
93
1
 Mountain mahogany
21
5,899 (14,576)
3
1
Ponderosa pine
46
5,885 (14,543)
3
1
 
 
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Page updated: April 24, 2012