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Oregon Indicators of Sustainable Forests

Indicator E.a. - Maps and Data for the Report on the Klamath Mapping Region
 
Figure 14. Forest type based on dominant species. 
Figure 15. Size classes. 
Figure 16. Amount of forested area in each size class by dominant tree species. 
Figure 17. Percent canopy cover of all live trees. 
Table 5. Summary statistics of the diversity of forest types. 
 
 

Figure 14. Forest type based on dominant species.
 
This is a map of the forest types based on dominant species for the Klamath Mountains Mapping Region. 
 
Map Legend and Data for Figure 14
Dominant Species
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Douglas-fir
816 (2,017)
57.6
 Oregon white oak
118 (293)
8.4
 Pacific madrone
100 (246)
7.0
 Tanoak
59 (147)
4.2
 Ponderosa pine
52 (128)
3.7
 White fir
48 (119)
3.4
 California black oak
37 (93)
2.6
 Incense-cedar
27 (66)
1.9
 Western white pine
27 (66)
1.9
Canyon live oak
26 (63)
1.8
Jeffrey pine
19 (46)
1.3
 Sugar pine
14 (36)
1.0
 Port Orford cedar
11 (28)
1.0
 Other species
37 (92)
2.6
 Regenerating forest
25 (63)
1.8
 
 
Printable map and data file [jpg; 591 KB]

 
 
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Figure 15. Size classes.
This is a map of size classes for the Klamath Mountains Mapping Region. 
 

Map Legend and Data for Figure 15
Size Class
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Shrub/Seedling
QMDA_DOM <2.5 or CANCOV <10
33 (81)
2.3
 Sapling/Pole
QMDA_DOM <=2.5 and <25.0
562 (1388)
39.6
Small tree
QMDA_DOM <=25.0 and <37.5
384 (950)
27.1
Medium tree
QMDA_DOM <=37.5 and <50.0
199 (491)
14.0
Large tree
QMDA_DOM <=50.0 and <75.0
190 (470)
13.4
Giant tree
QMDA_DOM >=75.0
51 (126)
3.6
 
*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; 508 KB]

 
 
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Figure 16. Amount of forested area in each size class by dominant tree species.
 
This is a map displaying the amount of forested area in each size class displayed by dominant tree species for the Klamath Mounts Mapping Region. 
*Forest areas represented by the "Other Species" category include knobcone pine, giant chinquapin, bigleaf maple, Shasta red fir, California laurel, grand fir, lodgepole pine, red alder, California red fir, mountain hemlock, willow, western hemlock, white alder, redwood, bitter cherry, and western redcedar. 
 
 
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Figure 17. Percent canopy cover of all live trees.
 
This is a map displaying the percent of canopy cover of all live trees for the Klamath Mountains Mapping Region. 
 
Map Legend and Data for Figure 17
Canopy Cover Class
Hectares (Acres) x 1000
Percent of Total
Forested Area
 Less than 10%
62 (154)
4.4
 10% to 40%
235 (582)
16.6
 40% to 70%
420 (1037)
29.6
 Greater than 70%
701 (1731)
49.4
 
 
Printable map and data file [jpg; 452 KB]

 
 
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Table 5. 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
 Douglas-fir
72
816,382 (2,017,324)
58
22
 Oregon white oak 
41
118,693 (293,298)
8
8
 Pacific madrone
59
99,579 (246,064)
7
12
 Tanoak
85
59,372 (146,711)
4
9
 Ponderosa pine
51
51,937 (128,340)
4
8
 White fir
60
48,345 (119,462)
3
12
 California black oak
52
37,514 (92,700)
3
7
 Incense-cedar
50
26,842 (66,327)
2
10
 Western white pine
42
26,834 (66,308)
2
8
 Canyon live oak
67
25,555 (63,147)
2
6
 Jeffrey pine
26
18,586 (45,926)
1
5
 Sugar pine
52
14,437 (35,676)
1
9
 Port Orford cedar
48
11,346 (28,037)
1
4
 Knobcone pine
42
7,401 (18,287)
1
4
 Port Orford cedar
71
4,958 (12,251)
0.3
3
 Knobcone pine
29
4,547 (11,237)
0.3
3
 Giant chinaquapin
64
4,017 (9,926)
0.3
3
 Bigleaf maple
68
3,822 (9,443)
0.3
5
 Shasta red fir
68
3,031 (7,489)
0.2
1
 California laurel
38
2,268 (5,604)
0.2
3
 Grand fir
48
1,800 (4,448)
0.1
2
 Lodgepole pine
73
1,482 (3,662)
0.1
2
 Red alder
77
1,236 (3,053)
0.1
1
 California red fir
67
571 (1,411)
0.04
1
 Mountain hemlock
86
567 (1,402)
0.04
3
 White alder
77
510 (1,259)
0.04
1
 Redwood
71
454 (1,122)
0.03
2
 Bitter cherry
11
391 (966)
0.03
1
 Western redcedar
86
99 (245)
0.01
2
 
 
 
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