Table 2.10 - Average and total storage of carbon in live trees on timberland in the Pacific Coast, by forest type and productivity class, 1987
Volume of
growing stock
Volume of
solid wood
Forest type and
productivity class
Area of timberland Softwood Hardwood Softwood Hardwood Average carbon storage in trees Total carbon storage in trees
(1,000 ac) (1,000,000 cu ft) (1,000,000 cu ft) (Lbs/ac) (1,000 metric tons)
Douglas-fir
85+ 13,723 51,448 3,449 80,224 6,367 93,705 583,285
50 to 85 3,632 14,073 431 21,964 817 93,933 154,751
20 to 50 1,938 5,189 111 8,116 212 64,501 56,701
Total 19,294 70,709 3,991 110,302 7,395 90,809 794,727
Ponderosa pine
85+ 2,548 6,925 740 10,888 1,441 63,444 73,327
50 to 85 4,081 6,841 335 10,694 651 36,705 67,945
20 to 50 4,340 6,153 127 9,618 246 30,118 59,290
Total 10,968 19,920 1,201 31,201 2,336 40,314 200,561
Western white pine
85 + 12 12 0 19 0 18,550 102
50 to 85 0 0 0 0 0 0 0
20 to 50 2 3 0 5 0 25,593 26
Total 14 15 0 23 0 20,088 128
Fir-spruce
85 + 3,827 15,868 613 24,911 1,196 76,253 132,371
50 to 85 5,230 16,293 398 25,517 775 56,144 133,191
20 to 50 6,791 9,245 1,545 14,913 4,777 32,759 100,908
Total 15,850 41,406 2,556 65,341 6,748 50,973 366,471
Hemlock-Sitka spruce
85 + 6,800 37,098 686 59,525 1,357 123,910 382,192
50 to 85 1,528 7,074 66 11,459 167 105,331 73,005
20 to 50 1,168 4,995 8 8,017 22 95,303 50,496
Total 9,497 49,165 761 78,997 1,549 117,391 505,692
Larch
85 + 523 1,511 63 2,362 114 76,222 18,083
50 to 85 284 636 1 994 2 56,873 7,327
20 to 50 45 74 0 115 0 41,341 846
Total 852 2,221 65 3,471 117 67,966 26,267
Lodgepole pine
85 + 157 487 3 763 5 66,009 4,701
50 to 85 534 1,011 1 1,583 2 40,050 9,701
20 to 50 1,488 2,153 7 3,355 14 30,539 20,612
Total 2,179 3,651 11 5,701 21 35,426 35,015
Redwood
85 + 1,064 5,740 686 9,032 1,339 135,403 65,351
50 to 85 37 52 18 82 35 46,284 780
20 to 50 0 0 0 0 0 0 0
Total 1,102 5,792 704 9,114 1,374 132,294 66,130
Other softwood types
85 + 176 59 91 92 250 23,985 1,916
50 to 85 104 32 25 50 47 11,944 565
20 to 50 211 83 19 135 60 12,008 1,151
Total 491 174 133 278 354 16,216 3,611
Western hardwood types
85 + 5,329 4,994 9,820 7,815 18,484 61,042 147,551
50 to 85 978 441 1,181 693 2,415 38,899 17,258
20 to 50 4,738 772 2,988 1,248 9,245 26,733 57,454
Total 11,046 6,207 13,989 9,756 30,142 44,359 222,256
Non-stocked timberland
85 + 508 88 83 137 152 7,200 1,659
50 to 85 143 26 0 41 0 3,850 250
20 to 50 164 14 0 22 0 1,802 134
Total 815 125 83 195 152 5,448 2,014
All timberland
85 + 34,667 124,229 16,236 195,767 30,708 89,702 1,410,538
50 to 85 16,552 46,479 2,457 73,077 4,914 61,904 464,772
20 to 50 20,888 28,678 4,804 45,538 14,572 36,689 347,619
Total 72,107 199,386 23,496 314,381 50,191 67,963 2,222,873