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1148. Forest Land -- Total and Timberland Area, Volume of Sawtimer, and Growing Stock

[As of Jan. 1. For definitions, see Terms below table}

 
Sawtimber, Growing stock,
           Timberland, ownership 1 net volume 3 net volume 4
Total
Year forest All Federally State, Total Soft- Total Soft-
and land owner- owned or county, Private (bil. wood (bil. wood
Division (mil. ship managed 2 and bd. (bil. cu. (bil.
acres) (mil. (mil. municipal Total Percent ft.) bd. ft.) cu.
acres) acres) (mil. (mil. of ft.) ft.)
acres) acres) total
 
    United States, 1970........................................................... 754 504 116 29 360 71.4 2,587 2,035 694 458
North........................................................... (NA) 154 11 18 126 81.4 295 81 146 39
South........................................................... (NA) 203 15 3 185 91.0 569 302 191 87
Rocky Mountains........................................................... (NA) 65 42 2 20 30.6 398 384 101 95
Pacific Coast........................................................... (NA) 82 47 5 29 35.9 1,325 1,268 257 238
 
    United States, 1977........................................................... 737 492 107 31 354 71.9 2,665 2,029 733 467
North........................................................... 162 153 10 18 125 81.4 340 95 163 44
South........................................................... 219 200 15 3 181 90.8 678 354 223 101
Rocky Mountains........................................................... 141 60 38 2 20 32.5 395 381 101 95
Pacific Coast........................................................... 214 79 43 7 29 36.1 1,252 1,199 245 227
 
    United States, 1987........................................................... 731 485 97 34 354 73.0 2,853 2,040 766 453
North........................................................... 165 154 11 19 124 80.6 459 126 190 48
South........................................................... 203 197 16 4 177 89.9 781 388 245 106
Rocky Mountains........................................................... 142 61 39 3 20 32.3 411 394 108 100
Pacific Coast........................................................... 220 72 31 8 32 44.9 1,202 1,132 223 199
 
    United States, 1992........................................................... 737 490 97 35 358 73.1 2,992 2,047 786 450
North........................................................... 168 158 11 19 127 80.8 540 137 207 51
South........................................................... 212 199 16 4 179 89.7 842 389 251 103
Rocky Mountains........................................................... 140 63 40 3 20 32.3 415 397 110 101
Pacific Coast........................................................... 217 70 30 8 32 45.1 1,196 1,124 218 195
 
    United States, 1996........................................................... 746 518 124 35 357 68.9 3,227 2,231 860 503
North........................................................... 170 180 32 21 127 70.6 574 146 213 49
South........................................................... 214 201 16 5 180 89.6 858 393 256 105
Rocky Mountains........................................................... 143 68 44 2 21 30.9 482 457 141 126
Pacific Coast........................................................... 219 69 32 7 29 42.0 1,313 1,235 250 223
 


NA Not available.
1 Timberland is forest land that is producing or is capable of crops of industrial wood and not withdrawn from timber utilization by statute or administrative regulation. Areas qualifying as timberland have the capability of producing in excess of 20 cubic feet per acre per year of industrial wood in natural stands. Currently inaccessible and inoperable areas are included.
2 Includes Indian lands.
3 Sawtimber is timber suitable for sawing into lumber. Live trees, Live trees of commercial species containing at least one 12-foot sawlog or two noncontiguous 8-foot logs, and meeting regional specifications for freedom from defect. Softwood trees must be at least 9.0-inches diameter, and hardwood trees must be at least 11.0-inches diameter at 4 1/2 feet above ground. International 1/4-inch rule.
4 Live trees of commercial species meeting specified standards of quality or vigor. Cull trees are excluded. Includes only trees 5.0-inches diameter or larger at 4 1/2 feet above ground.

Source: U.S. Forest Service, Forest Resources of the United States, 1992 and Timber Demand and Technology Assessment, 1996, RWU-4851.

http://www.srsfia.usfs.msstate.edu/rpa/rpa.htm http://WWW.FPL.FS.FED.US/econ/Publications.htm#New

* TERMS

Forest Land--Land currently growing forest trees of any size with a total stocking value of at least 16.7 (10 base 100 in the West), or lands formerly forested, currently capable of becoming forest land, and not currently developed for nonforest uses. These lands must be a minimum of 1 acre in area. Roadside, streamside, and shelterbelt strips of timber must have a crown width of at least 120 feet to qualify as forest land. Unimproved roads, trails, streams, and clearings within forest areas are classified as forest land if they are less than 120 feet wide. Recently clearcut areas that are currently nonstocked are classed as forest land unless they are being used for a nonforest use such as agriculture. Forest land is divided into two categories (timberland and other forest land), and both of these categories may be further classified as reserved if harvesting of trees is prohibited by statutory or administrative restrictions.

Timberland--Forest land that is producing, or capable of producing, in excess of 20 cubic feet per acre per year of industrial roundwood products, and is not withdrawn from timber utilization by statute or administrative regulation.

OwnershipA classification of forest land based on the legal owner at the time of the current inventory. Also indicates private lands leased to forest industry. Individual ownerships are logically organized into ownership groups and classes for reporting purposes:

National Forest--Lands owned or administered by USDA Forest Service, National Forest System.

Other Public--BLM. Lands administered by USDI Bureau of Land Management.

Misc. Federal--Lands owned or administered by Federal agencies other than the Forest Service . These include military reservations, National Parks, National Fish and Wildlife Service lands, and Corps of Engineers lands.

State--Lands owned by State governments, or lands leased by State governmental units for more than 50 years.

County and municipal--Lands owned by county or municipal agencies, or lands leased by these agencies for more than 50 years.

Forest Industry--Lands owned by companies or individuals operating wood-using plants. These include lands leased to forest industry.

Other Private(Farmer/rancher)--Lands owned by an individual who operates a farm or a ranch and who either does or directly supervises the work.

Private corporate--Lands owned by private corporations other than forest industry or farmers.

Private individual--Lands owned by individuals other than farmers.

Tribal trust--Lands held in trust by the Federal Government for a Native American tribe or individual.

Sawtimber tree--A growing-stock tree that in the East contains at least a 12-foot saw log or two noncontiguous saw logs 8 feet or longer, or that in the West contains at least an 8-foot saw log, and meets regional specifications for freedom from defect. Softwoods must be at least 9.0 inches diameter and hardwoods must be at least 11.0 inches diameter

Volume of sawtimber--The net volume in board feet (International 1/4-inch rule) of the sawlog portion of sawtimber trees.

Growing-stock tree--Live timberland trees of commercial species that in the East contain at least one 12-foot saw log or two saw logs 8 feet or longer, or that in the West contain at least one 8-foot saw log, now or prospectively, and meet specified standards of size, quality, and merchantability. (Note: Excludes rough, rotten, and dead trees.)

*



https://allcountries.org/uscensus/1148_forest_land_total_and_timberland_area.html

These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau.

Copyright © 2006 Photius Coutsoukis and Information Technology Associates, all rights reserved.