Table 1. -- Area of forest land by forest type group and owner
category, Colorado, cycle 2, 2002-2005
(In thousand acres)
Owner category
Forest type group
All
owners
Public
Private
Unidentified
owner
Softwood type groups
Pinyon / juniper group
Douglas-fir group
Ponderosa pine group
Fir / spruce / mountain hemlock group
Lodgepole pine group
Other western softwoods group
All softwood types
5,822.9
1,674.9
1,683.3
4,696.8
2,120.7
258.2
16,256.7
4,243.5
1,191.5
925.5
4,416.1
1,927.0
216.0
12,919.6
1,579.4
483.4
757.8
280.7
193.6
42.2
3,337.1
--------
165.4
3,127.8
2,454.8
36.1
5,784.1
23.3
2,661.4
1,214.4
36.1
3,935.2
142.1
466.4
1,240.4
-1,848.9
------
Hardwood type groups
Elm / ash / cottonwood group
Aspen / birch group
Western oak group
Other western hardwoods group
All hardwood types
Nonstocked
All forest types
1,249.7
773.9
475.8
--
23,290.6
17,628.7
5,661.9
--
All table cells without observations in the inventory sample are indicated by --. Table
value of 0.0 indicates the acres round to less than 0.1 thousand acres. Columns and
rows may not add to their totals due to rounding.
Table 1a. -- Area of forest land by forest type group, forest type, and
owner category, Colorado, cycle 2, 2002-2005
(In thousand acres)
Owner category
Forest type group/
forest type
All
owners
Public
Private
Unidentified
owner
556.4
1,012.1
4,254.4
354.1
726.6
3,162.8
202.3
285.5
1,091.6
----
5,822.9
4,243.5
1,579.4
--
1,674.9
1,191.5
483.4
--
1,674.9
1,191.5
483.4
--
1,683.3
925.5
757.8
--
1,683.3
925.5
757.8
--
177.1
3,006.5
564.2
837.1
111.9
138.3
2,886.4
536.0
791.7
63.7
38.9
120.1
28.2
45.4
48.2
------
4,696.8
4,416.1
280.7
--
2,120.7
1,927.0
193.6
--
2,120.7
1,927.0
193.6
--
101.1
157.2
88.9
127.1
12.1
30.1
---
258.2
16,256.7
216.0
12,919.6
42.2
3,337.1
---
130.9
34.5
165.4
23.3
-23.3
107.6
34.5
142.1
----
Aspen
All forest types
Western oak group
3,127.8
3,127.8
2,661.4
2,661.4
466.4
466.4
---
Deciduous oak woodland
All forest types
Other western hardwoods group
2,454.8
2,454.8
1,214.4
1,214.4
1,240.4
1,240.4
---
36.1
36.1
5,784.1
1,249.7
23,290.6
36.1
36.1
3,935.2
773.9
17,628.7
Softwood type groups
Pinyon / juniper group
Rocky Mountain juniper
Juniper woodland
Pinyon / juniper woodland
All forest types
Douglas-fir group
Douglas-fir
All forest types
Ponderosa pine group
Ponderosa pine
All forest types
Fir / spruce / mountain hemlock group
White fir
Engelmann spruce
Engelman spruce / subalpine fir
Subalpine fir
Blue spruce
All forest types
Lodgepole pine group
Lodgepole pine
All forest types
Other western softwoods group
Foxtail pine / bristlecone pine
Limber pine
All forest types
All softwood groups
Hardwood type groups
Elm / ash / cottonwood group
Cottonwood
Sugarberry / hackberry / elm / green ash
All forest types
Aspen / birch group
Cercocarpus woodland
All forest types
All hardwood groups
Nonstocked
All forest groups
All table cells without observations in the inventory sample are indicated by --. Table
value of 0.0 indicates the acres round to less than 0.1 thousand acres. Columns and
rows may not add to their totals due to rounding.
----1,848.9
-475.8
-5,661.9
-(Table 1 continued on next page)
Table 2. -- Area of timberland by major forest type group,
stand origin, and owner category, Colorado, cycle 2, 2002-2005
(In thousand acres)
Owner category
Major forest type group
and stand origin
Softwood type groups
Natural
Planted
All softwood types
Hardwood type groups
Natural
All hardwood types
Nonstocked
All groups
All
owners
Public
Private
Unidentified
owner
8,396.5
13.3
8,409.9
6,651.5
13.3
6,664.8
1,745.1
-1,745.1
----
2,813.0
2,813.0
2,228.4
2,228.4
584.5
584.5
---
451.2
292.6
158.6
--
11,674.1
9,185.8
2,488.2
--
All table cells without observations in the inventory sample are indicated by --. Table
value of 0.0 indicates the acres round to less than 0.1 thousand acres. Columns and
rows may not add to their totals due to rounding.
Table 3. -- Area of timberland by forest type group and stand-size class, Colorado, cycle 2, 2002-2005
(In thousand acres)
Stand-size class
class
Stand-size
Foresttype
typegroup
group
Forest
Softwood type groups
Douglas-fir group
Ponderosa pine group
Fir / spruce / mountain hemlock group
Lodgepole pine group
Other western softwoods group
All softwood types
Hardwood type groups
Elm / ash / cottonwood group
Aspen / birch group
All
All
stands
stands
Sawtimber
Sawtimber
Poletimber
Poletimber
SaplingSaplingseedling
seedling
NonNonstocked
stocked
1,588.8
1,643.3
3,262.5
1,722.8
192.5
1,291.4
1,502.9
2,446.4
802.2
160.9
278.3
88.7
531.7
734.6
12.1
19.1
51.7
284.4
186.0
19.4
------
8,409.9
6,203.8
1,645.5
560.6
--
161.4
148.2
13.2
--
--
2,651.6
899.0
1,323.4
429.2
--
All hardwood types
2,813.0
1,047.3
1,336.5
429.2
-Nonstocked
451.2
---451.2
11,674.1
7,251.1
2,982.0
989.8
451.2
All forest types
All table cells without observations in the inventory sample are indicated by --. Table value of 0.0 indicates the acres round to
less than 0.1 thousand acres. Columns and rows may not add to their totals due to rounding.
Table 3a. -- Area of timberland by forest type group, forest type, and
stand-size class, Colorado, cycle 2, 2002-2005
(In thousand acres)
Stand-size class
Forest type group/
forest type
Softwood type groups
Douglas-fir group
Douglas-fir
All forest types
Ponderosa pine group
Ponderosa pine
All forest types
Fir / spruce / mountain hemlock group
White fir
Engelmann spruce
Engelman spruce / subalpine fir
Subalpine fir
Blue spruce
All forest types
Lodgepole pine group
Lodgepole pine
All forest types
Other western softwoods group
Foxtail pine / bristlecone pine
Limber pine
All forest types
All softwood groups
Hardwood type groups
Elm / ash / cottonwood group
Cottonwood
Sugarberry / hackberry / elm / green ash
All forest types
Aspen / birch group
Aspen
All forest types
All hardwood groups
Nonstocked
All forest groups
All
stands
Sawtimber
Poletimber
Saplingseedling
NonNonstocked
stocked
1,588.8
1,588.8
1,291.4
1,291.4
278.3
278.3
19.1
19.1
---
1,643.3
1,643.3
1,502.9
1,502.9
88.7
88.7
51.7
51.7
---
174.0
1,918.3
419.4
653.9
97.0
3,262.5
154.8
1,467.8
309.7
456.2
57.9
2,446.4
19.2
286.2
105.7
103.9
16.8
531.7
-164.2
4.0
93.9
22.3
284.4
-------
1,722.8
1,722.8
802.2
802.2
734.6
734.6
186.0
186.0
---
57.8
134.7
192.5
8,409.9
42.0
118.9
160.9
6,203.8
12.1
-12.1
1,645.5
3.6
15.8
19.4
560.6
-----
130.9
30.5
161.4
117.7
30.5
148.2
13.2
-13.2
----
----
2,651.6
2,651.6
2,813.0
899.0
899.0
1,047.3
1,323.4
1,323.4
1,336.5
429.2
429.2
429.2
----
451.2
--
--
--
451.2
11,674.1
7,251.1
2,982.0
989.8
451.2
All table cells without observations in the inventory sample are indicated by --. Table
value of 0.0 indicates the acres round to less than 0.1 thousand acres. Columns and
rows may not add to their totals due to rounding.
(Table 3 continued on next page)
Table 4. -- Net volume of all live trees on forest land by species group and
owner category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Owner category
Species group
Softwoods
Douglas-fir
Ponderosa and Jeffrey pines
True fir
Engelmann and other spruces
Lodgepole pine
Western woodland softwoods
Other western softwoods
Total softwoods
Hardwoods
Cottonwood and aspen
Cottonwood and aspen
Other western hardwoods
Western woodland hardwoods
Total hardwoods
All species groups
All
owners
Public
Private
Unidentified
owner
3,333,500
2,599,646
4,225,880
11,050,523
5,946,143
4,417,054
482,835
32,055,580
2,515,836
1,406,516
3,875,259
10,613,020
5,546,762
3,354,354
445,298
27,757,046
817,663
1,193,130
350,620
437,503
399,380
1,062,700
37,536
4,298,533
---------
8,617
5,563,009
12,343
180,996
5,764,965
-4,717,512
1,744
94,449
4,813,705
8,617
845,497
10,599
86,547
951,260
------
37,820,545
32,570,752
5,249,793
--
All table cells without observations in the inventory sample are indicated by --. Table
value of 0 indicates the volume rounds to less than 1 thousand cubic feet. Columns and
rows may not add to their totals due to rounding.
Table 4a. -- Net volume of all live trees on forest land by species group, species,
and owner category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Owner category
Species group/
species
All
owners
Public
Private
Unidentified
owner
Douglas-fir
3,333,500
2,515,836
817,663
--
All species
Ponderosa and Jeffrey pines
3,333,500
2,515,836
817,663
--
Ponderosa pine
2,599,646
1,406,516
1,193,130
--
2,599,646
1,406,516
1,193,130
--
736,082
147,982
3,341,815
608,759
142,862
3,123,638
127,324
5,120
218,177
----
4,225,880
3,875,259
350,620
--
10,793,176
257,347
10,455,906
157,114
337,271
100,233
---
11,050,523
10,613,020
437,503
--
Lodgepole pine
5,946,143
5,546,762
399,380
--
All species
Western woodland softwoods
5,946,143
5,546,762
399,380
--
2,186,898
443,945
242,114
1,544,097
1,805,549
292,240
96,314
1,160,251
381,349
151,706
145,799
383,846
-----
4,417,054
3,354,354
1,062,700
--
176,040
298,281
8,513
162,416
274,369
8,513
13,625
23,912
--
----
482,835
32,055,580
445,298
27,757,046
37,536
4,298,533
---
8,617
8,617
---
8,617
8,617
---
12,343
12,343
1,744
1,744
10,599
10,599
---
Quaking aspen
Fremont cottonwood
Narrowleaf cottonwood
All species
Western woodland hardwoods
5,321,580
33,277
208,152
5,563,009
4,655,422
7,450
54,640
4,717,512
666,158
25,827
153,512
845,497
-----
Curlleaf mountain-mahogany
Gambel oak
All species
Total hardwoods
9,150
171,846
180,996
5,764,965
9,150
85,299
94,449
4,813,705
-86,547
86,547
951,260
-----
Douglas-fir
All species
True fir
White fir
Corkbark fir
Subalpine fir
All species
Engelmann and other spruces
Engelmann spruce
Blue spruce
All species
Lodgepole pine
Utah juniper
Rocky Mountain juniper
Oneseed juniper
Common or two-needle pinyon
All species
Other western softwoods
Rocky Mountain bristlecone pine
Limber pine
Southwestern white pine
All species
Total softwoods
Hardwoods
Cottonwood and aspen
Eastern cottonwood
All species
Other eastern soft hardwoods
Boxelder
All species
Cottonwood and aspen
(Table 4a continued)
Owner category
Species group/
species
Hardwoods
All species groups
All
owners
Public
Private
Unidentified
owner
37,820,545
32,570,752
5,249,793
-4 continued
on rounds
next page)
All table cells without observations in the inventory sample are indicated by --. Table value of 0(Table
indicates
the volume
to
less than 1 thousand cubic feet. Columns and rows may not add to their totals due to rounding.
Table 5. -- Net volume of all live trees and salvable dead trees on timberland
by class of timber and softwood/hardwood species category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
All
species
Softwood
species
Hardwood
species
17,340,464
15,453,726
1,886,737
2,536,195
19,876,659
1,903,634
17,357,361
632,561
2,519,298
5,992,704
25,869,363
3,748,842
21,106,203
2,243,861
4,763,160
Sawtimber size
304,494
161,988
142,506
Poletimber size
235,483
62,176
173,308
539,977
224,163
315,813
Sawtimber size
49,491
23,030
26,461
Poletimber size
Total
All live cull trees
All live trees
11,597
61,088
601,065
26,470,427
2,118
25,148
249,311
21,355,514
9,480
35,940
351,754
5,114,913
Salvable dead trees
Sawtimber size
2,067,533
1,806,951
260,582
803,455
2,870,987
429,273
2,236,224
374,182
634,763
29,341,415
23,591,738
5,749,677
Class of timber
Live trees
Growing-stock trees
Sawtimber
Saw log portion
Upper stem portion
Total
Poletimber
All growing-stock trees
Cull trees
1
Rough trees
Total
Rotten trees1
Poletimber size
All salvable dead trees
All classes
All table cells without observations in the inventory sample are indicated by --. Table value of 0 indicates
the volume rounds to less than 1 thousand cubic feet. Columns and rows may not add to their totals due
1to rounding.
Includes noncommercial species.
Table 6. -- Net volume of growing stock on timberland by forest type group and
softwood/hardwood species category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Forest type group
Softwood type groups
Douglas-fir group
Ponderosa pine group
Fir / spruce / mountain hemlock group
Lodgepole pine group
Other western softwoods group
All softwood types
Hardwood type groups
Elm / ash / cottonwood group
Aspen / birch group
All hardwood types
Nonstocked
All forest types
All
species
Softwood
species
Hardwood
species
2,673,027
2,324,696
10,353,340
4,471,147
194,206
20,016,417
2,531,104
2,298,323
9,971,788
4,363,399
188,008
19,352,622
141,923
26,373
381,552
107,748
6,198
663,795
236,571
5,594,664
5,831,235
74,974
1,657,490
1,732,464
161,596
3,937,174
4,098,771
21,711
25,869,363
21,117
21,106,203
594
4,763,160
All table cells without observations in the inventory sample are indicated by --. Table
value of 0 indicates the volume rounds to less than 1 thousand cubic feet. Columns and
rows may not add to their totals due to rounding.
Table 6a. -- Net volume of growing stock on timberland by forest type group,
forest type, and softwood/hardwood species category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Forest type group/
forest type
Softwood type groups
Douglas-fir group
Douglas-fir
All forest types
Ponderosa pine group
Ponderosa pine
All forest types
Fir / spruce / mountain hemlock group
White fir
Engelmann spruce
Engelman spruce / subalpine fir
Subalpine fir
Blue spruce
All forest types
Lodgepole pine group
Lodgepole pine
All forest types
Other western softwoods group
Foxtail pine / bristlecone pine
Limber pine
All forest types
All softwood groups
Hardwood type groups
Elm / ash / cottonwood group
Cottonwood
Sugarberry / hackberry / elm / green ash
All forest types
Aspen / birch group
Aspen
All forest types
All hardwood groups
Nonstocked
All
species
Softwood
species
Hardwood
species
2,673,027
2,673,027
2,531,104
2,531,104
141,923
141,923
2,324,696
2,324,696
2,298,323
2,298,323
26,373
26,373
559,969
6,502,827
1,329,173
1,820,408
140,963
10,353,340
500,642
6,410,901
1,170,430
1,751,769
138,046
9,971,788
59,327
91,926
158,743
68,639
2,917
381,552
4,471,147
4,471,147
4,363,399
4,363,399
107,748
107,748
77,395
116,811
194,206
20,016,417
73,500
114,509
188,008
19,352,622
3,896
2,302
6,198
663,795
235,768
803
236,571
74,974
-74,974
160,794
803
161,596
1,657,490
3,937,174
1,657,490
3,937,174
1,732,464
4,098,771
594
21,117
All forest groups
21,106,203
4,763,160
(Table
6 continued
on next
page)
All table cells without observations in the inventory sample are
indicated
by --. Table
value
of 0
indicates the volume rounds to less than 1 thousand cubic feet. Columns and rows may not
add to their totals due to rounding.
5,594,664
5,594,664
5,831,235
21,711
25,869,363
Table 7. -- Net volume of growing stock on timberland by species group and diameter class, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Diameter class (inches at breast height)
All
classes
5.0-6.9
7.0-8.9
9.0-10.9
11.0-12.9
13.0-14.9
15.0-16.9
17.0-18.9
19.0-20.9
21.0-28.9
29.0+
2,827,998
2,359,059
3,414,677
7,403,241
4,814,277
286,951
104,988
63,970
261,764
294,552
563,308
16,549
251,159
145,825
444,944
598,501
966,610
36,674
339,560
244,726
510,295
822,508
1,150,880
46,077
368,261
346,511
572,571
933,584
847,774
33,109
342,639
327,877
430,457
982,049
606,892
53,622
372,905
320,609
338,852
943,457
383,395
33,452
243,450
230,054
274,910
816,126
217,055
28,941
257,793
196,279
239,271
594,971
58,285
17,445
369,076
368,704
271,010
1,284,680
20,078
21,081
178,167
114,506
70,601
132,813
---
Total softwoods
21,106,203
1,305,130
2,443,712
3,114,045
3,101,811
2,743,536
2,392,671
1,810,537
1,364,045
2,334,629
496,087
Hardwoods
Cottonwood and aspen
Cottonwood and aspen
Other western hardwoods
8,617
4,751,996
2,547
-381,654
126
-784,196
--
-1,077,885
--
-1,035,042
803
2,124
716,791
--
2,801
356,099
1,618
3,692
150,460
--
-96,909
--
-125,157
--
-27,802
--
Species group
Softwoods
Douglas-fir
Ponderosa and Jeffrey pines
True fir
Engelmann and other spruces
Lodgepole pine
Other western softwoods
Total hardwoods
4,763,160
381,780
784,196
1,077,885
1,035,845
All species
25,869,363
1,686,911
3,227,908
4,191,930
4,137,655
All table cells without observations in the inventory sample are indicated by --. Table value of 0 indicates the volume rounds to
less than 1 thousand cubic feet. Columns and rows may not add to their totals due to rounding.
718,916
360,517
154,152
96,909
125,157
27,802
3,462,451
2,753,188
1,964,689
1,460,954
2,459,787
523,890
Table 7a. -- Net volume of growing stock on timberland by species group, species, and diameter class, Colorado, cycle 2, 2002-2005
(In thousand cubic feet)
Species group/
species
Diameter class (inches at breast height)
11.0-12.9
13.0-14.9
15.0-16.9
17.0-18.9
All
classes
5.0-6.9
7.0-8.9
9.0-10.9
2,827,998
104,988
251,159
339,560
368,261
342,639
372,905
243,450
257,793
369,076
178,167
2,827,998
104,988
251,159
339,560
368,261
342,639
372,905
243,450
257,793
369,076
178,167
Ponderosa pine
2,359,059
63,970
145,825
244,726
346,511
327,877
320,609
230,054
196,279
368,704
114,506
All species
2,359,059
63,970
145,825
244,726
346,511
327,877
320,609
230,054
196,279
368,704
114,506
White fir
720,640
18,812
33,110
67,649
82,908
50,033
75,231
78,263
85,701
169,380
59,553
Corkbark fir
121,632
8,836
16,852
13,110
17,018
12,027
9,268
18,685
5,249
20,586
--
2,572,405
234,116
394,982
429,536
472,645
368,398
254,352
177,963
148,322
81,043
11,048
3,414,677
261,764
444,944
510,295
572,571
430,457
338,852
274,910
239,271
271,010
70,601
7,175,540
288,361
584,083
804,733
904,541
969,753
913,722
788,600
569,616
1,219,318
132,813
227,701
6,191
14,418
17,775
29,043
12,296
29,735
27,526
25,355
65,362
--
7,403,241
294,552
598,501
822,508
933,584
982,049
943,457
816,126
594,971
1,284,680
132,813
4,814,277
563,308
966,610
1,150,880
847,774
606,892
383,395
217,055
58,285
20,078
--
4,814,277
563,308
966,610
1,150,880
847,774
606,892
383,395
217,055
58,285
20,078
--
19.0-20.9
21.0-28.9
29.0+
Softwoods
Douglas-fir
Douglas-fir
All species
Softwoods
Ponderosa and Jeffrey pines
Softwoods
True fir
Subalpine fir
All species
Softwoods
Engelmann and other spruces
Engelmann spruce
Blue spruce
All species
Softwoods
Lodgepole pine
Lodgepole pine
All species
Softwoods
Other western softwoods
Rocky Mountain bristlecone pine
Limber pine
Southwestern white pine
All species
Total softwoods
84,216
5,232
11,661
14,862
12,952
21,544
7,405
4,719
5,841
--
--
194,222
10,272
25,013
31,215
20,157
32,078
22,278
24,222
7,906
21,081
--
8,513
1,045
--
--
--
--
3,769
--
3,699
--
--
286,951
16,549
36,674
46,077
33,109
53,622
33,452
28,941
17,445
21,081
--
21,106,203
1,305,130
2,443,712
3,114,045
3,101,811
2,743,536
2,392,671
1,810,537
1,364,045
2,334,629
496,087
8,617
8,617
---
---
---
---
2,124
2,124
2,801
2,801
3,692
3,692
---
---
---
2,547
2,547
126
126
---
---
803
803
---
1,618
1,618
---
---
---
---
4,593,299
32,738
125,960
4,751,996
4,763,160
378,731
195
2,728
381,654
381,780
780,303
398
3,495
784,196
784,196
1,068,803
-9,081
1,077,885
1,077,885
1,025,717
-9,325
1,035,042
1,035,845
705,143
2,393
9,255
716,791
718,916
331,823
6,543
17,733
356,099
360,517
147,102
-3,358
150,460
154,152
79,331
-17,579
96,909
96,909
76,347
23,207
25,603
125,157
125,157
--27,802
27,802
27,802
25,869,363
1,686,911
3,227,908
4,191,930
4,137,655
3,462,451
2,753,188
1,964,689
1,460,954
2,459,787
523,890
Hardwoods
Cottonwood and aspen
Eastern cottonwood
All species
Other eastern soft hardwoods
Boxelder
All species
Cottonwood and aspen
Quaking aspen
Fremont cottonwood
Narrowleaf cottonwood
All species
Total hardwoods
All species groups
All table cells without observations in the inventory sample are indicated by --. Table value of 0 indicates
the volume rounds to less than 1 thousand cubic feet. Columns and rows may not add to their totals due to rounding.
(Table 7 continued on next page)
Table 8. -- Net volume of sawtimber on timberland by species group and diameter class, Colorado, cycle 2, 2002-2005
(In thousand board feet)
1
Diameter class (inches at breast height)
All
classes
9.0-10.9
11.0-12.9
13.0-14.9
15.0-16.9
17.0-18.9
19.0-20.9
21.0-28.9
29.0+
11,893,366
10,017,388
13,201,362
33,841,608
14,244,265
908,601
84,106,589
1,216,544
773,901
2,019,519
3,332,436
4,242,504
115,412
11,700,317
1,620,602
1,404,252
2,661,169
4,412,383
3,662,809
115,442
13,876,657
1,643,647
1,491,682
2,133,882
5,038,429
2,903,680
205,656
13,416,975
1,874,395
1,555,015
1,715,348
5,013,123
1,895,370
149,711
12,202,961
1,234,781
1,164,757
1,448,954
4,450,254
1,137,072
141,470
9,577,288
1,326,792
1,027,420
1,280,922
3,318,544
290,548
82,581
7,326,808
2,027,776
1,971,250
1,521,865
7,482,789
112,281
98,329
13,214,290
948,829
629,113
419,704
793,649
--2,791,294
34,001
-8,436
10,434
-11,718,463
-3,410,264
1,745,406
4,572,129
8,366
--6,668
1,698
-4,573,827
11,760,829
3,418,701
1,762,508
95,867,419
11,700,317
18,450,484
16,835,675
13,965,469
All table cells without observations in the inventory sample are indicated by --. Table value of 0 indicates the volume rounds to
less than 1 thousand board feet. Columns and rows may not add to their totals due to rounding.
1 International 1/4-inch rule.
15,131
776,809
-791,940
10,369,228
-499,175
-499,175
7,825,983
-603,666
-603,666
13,817,955
-111,014
-111,014
2,902,307
Species group
Softwoods
Douglas-fir
Ponderosa and Jeffrey pines
True fir
Engelmann and other spruces
Lodgepole pine
Other western softwoods
Total softwoods
Hardwoods
Cottonwood and aspen
Cottonwood and aspen
Other western hardwoods
Total hardwoods
All species
Table 8a. -- Net volume of sawtimber on timberland by species group, species, and diameter class, Colorado, cycle 2, 2002-2005
(In thousand board feet)
Species group/
species
1
Diameter class (inches at breast height)
13.0-14.9
15.0-16.9
17.0-18.9
19.0-20.9
All
classes
9.0-10.9
11,893,366
1,216,544
1,620,602
1,643,647
1,874,395
1,234,781
11,893,366
1,216,544
1,620,602
1,643,647
1,874,395
1,234,781
Ponderosa pine
10,017,388
773,901
1,404,252
1,491,682
1,555,015
1,164,757
All species
10,017,388
773,901
1,404,252
1,491,682
1,555,015
1,164,757
3,377,791
231,612
357,829
227,180
372,114
407,353
493,514
50,560
79,281
63,452
48,496
101,984
9,330,057
1,737,347
2,224,059
1,843,250
1,294,738
13,201,362
2,019,519
2,661,169
2,133,882
32,786,451
3,268,696
4,282,945
1,055,156
63,740
129,438
33,841,608
3,332,436
4,412,383
14,244,265
4,242,504
3,662,809
14,244,265
4,242,504
3,662,809
Rocky Mountain bristlecone pine
261,864
40,943
48,900
86,594
Limber pine
613,049
74,470
66,542
119,062
33,687
--
--
908,601
115,412
84,106,589
11.0-12.9
21.0-28.9
29.0+
1,326,792
2,027,776
948,829
1,326,792
2,027,776
948,829
1,027,420
1,971,250
629,113
1,027,420
1,971,250
629,113
458,897
969,754
353,052
27,528
122,213
--
939,617
794,498
429,897
66,652
1,715,348
1,448,954
1,280,922
1,521,865
419,704
4,978,669
4,866,936
4,307,528
3,176,671
7,111,356
793,649
59,760
146,187
142,726
141,873
371,433
--
5,038,429
5,013,123
4,450,254
3,318,544
7,482,789
793,649
2,903,680
1,895,370
1,137,072
290,548
112,281
--
2,903,680
1,895,370
1,137,072
290,548
112,281
--
34,573
22,056
28,798
--
--
98,249
119,413
36,985
98,329
--
--
16,889
--
16,798
--
--
115,442
205,656
149,711
141,470
82,581
98,329
--
11,700,317
13,876,657
13,416,975
12,202,961
9,577,288
7,326,808
13,214,290
2,791,294
34,001
34,001
---
---
8,436
8,436
10,434
10,434
15,131
15,131
---
---
---
8,366
8,366
---
1,698
1,698
---
6,668
6,668
---
---
---
---
All species
Total hardwoods
11,133,650
127,537
457,275
11,718,463
11,760,829
------
4,531,083
-41,045
4,572,129
4,573,827
3,358,438
7,489
44,338
3,410,264
3,418,701
1,637,783
24,426
83,196
1,745,406
1,762,508
764,742
-12,067
776,809
791,940
435,445
-63,731
499,175
499,175
406,159
95,621
101,885
603,666
603,666
--111,014
111,014
111,014
All species groups
95,867,419
11,700,317
18,450,484
16,835,675
13,965,469
10,369,228
7,825,983
13,817,955
2,902,307
Softwoods
Douglas-fir
Douglas-fir
All species
Ponderosa and Jeffrey pines
True fir
White fir
Corkbark fir
Subalpine fir
All species
Engelmann and other spruces
Engelmann spruce
Blue spruce
All species
Lodgepole pine
Lodgepole pine
All species
Other western softwoods
Southwestern white pine
All species
Total softwoods
Hardwoods
Cottonwood and aspen
Eastern cottonwood
All species
Other eastern soft hardwoods
Boxelder
All species
Cottonwood and aspen
Quaking aspen
Fremont cottonwood
Narrowleaf cottonwood
All table cells without observations in the inventory sample are indicated by --. Table
value of 0 indicates the volume rounds to less than 1 thousand board feet. Columns and
rows may not add to their totals due to rounding.
1 International 1/4-inch rule.
(Table 8 continued on next page)
Table 9. -- All live aboveground tree biomass on timberland by owner category,
softwood/hardwood species category, and tree biomass component, Colorado, cycle 2, 2002-2005
(In thousand dry tons)
Tree biomass component
Owner category and
softwood/hardwood
category
Public
Softwoods
Hardwoods
Total
Private
Softwoods
Growing-stock trees
All
components
All live
1-5 inch trees
Total
319,470
22,431
75,726
395,195
3,536
25,967
Non-growing-stock trees
Boles
Stumps, tops,
and limbs
Total
Boles
Stumps, tops,
and limbs
292,242
228,744
63,498
4,796
3,395
1,401
66,718
358,960
56,890
285,634
9,828
73,326
5,471
10,268
4,486
7,881
986
2,387
59,695
2,742
55,851
42,155
13,696
1,103
713
389
Hardwoods
15,615
12,349
Total
75,311
1,186
3,927
68,200
10,377
52,532
1,972
15,668
2,081
3,184
1,802
2,516
278
668
379,165
91,341
470,506
25,173
4,722
29,895
348,093
79,067
427,160
270,899
67,267
338,166
77,194
11,800
88,994
5,899
7,552
13,451
4,109
6,288
10,397
1,791
1,264
3,055
All ownerships
Softwoods
Hardwoods
Total
All table cells without observations in the inventory sample are indicated by --. Table value of 0 indicates the aboveground tree
biomass rounds to less than 1 thousand dry ton. Columns and rows may not add to their totals due to rounding.
Table 10. -- Average annual net growth of growing stock on timberland by species group and
owner category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet per year)
Owner category
All
owners
Public
Douglas-fir
21,921
Ponderosa and Jeffrey pines
19,985
Private
Unidentified
owner
13,883
8,038
--
4,180
15,805
--
895
-1,288
2,184
--
Engelmann and other spruces
91,311
82,867
8,445
--
Lodgepole pine
37,521
31,884
5,636
---
Species group
Softwoods
True fir
Western woodland softwoods
Other western softwoods
Total softwoods
Hardwoods
--
--
--
3,726
3,095
631
--
175,359
134,621
40,738
--
Cottonwood and aspen
44
--
44
--
Other eastern soft hardwoods
23
18
5
--
52,630
48,068
4,562
--
--
--
--
--
52,697
48,086
4,611
--
Cottonwood and aspen
Western woodland hardwoods
Total hardwoods
All species groups
228,056
182,707
45,349
-All table cells without observations in the inventory sample are indicated by
--. Table
value of 0
(Table
10 continued
onindicates
next page)
the volume rounds to less than 1 thousand cubic feet. Columns and rows may not add to their totals due
to rounding.
Table 12. -- Average annual mortality of growing stock on timberland by species group and
owner category, Colorado, cycle 2, 2002-2005
(In thousand cubic feet per year)
Owner category
All
owners
Public
Private
Unidentified
owner
Douglas-fir
26,863
21,488
5,375
--
Ponderosa and Jeffrey pines
19,534
16,273
3,261
--
True fir
79,277
71,698
7,580
--
Engelmann and other spruces
32,241
31,362
879
--
Lodgepole pine
46,267
44,581
1,686
--
Species group
Softwoods
Western woodland softwoods
Other western softwoods
Total softwoods
Hardwoods
Cottonwood and aspen
Western woodland hardwoods
Total hardwoods
--
--
--
--
1,049
1,049
--
--
205,231
186,449
18,782
--
43,680
33,338
10,343
--
--
--
--
--
43,680
33,338
10,343
--
All species groups
248,911
219,787
29,124
-All table cells without observations in the inventory sample are indicated (Table
by --. Table
value of on
0 indicates
12 continued
next page)
the volume rounds to less than 1 thousand cubic feet. Columns and rows may not add to their totals due
to rounding.