U.S. Forestland by Age Class

(in acres)

0-99
years old

100-149
years old

150-199
years old

200+
years old

uneven aged forest

total acres

Western U.S.

92,350,000

28,807,000

12,283,000

9,602,000

190,000

143,232,000

Eastern U.S.

347,972,921

9,737,000

2,647,000

49,000

26,079

360,432,000

Total acres in U.S.

440,322,921

38,544,000

14,930,000

9,651,000

216,079

503,664,000

% of total acres

87.42%

7.65%

2.96%

1.92%

0.04%

100%

0-99
years old

100-149
years old

150-199
years old

200+
years old

uneven aged forest

total acres

Pacific Northwest

28,996,000

6,913,000

2,942,000

2,315,000

-

41,166,000

% of total acres

70.44%

16.79%

7.15%

5.62%

-

100%

 

Source: U.S. Forest Service, 1997 Resources Planning Act (RPA) Assessment, Final Statistics, July 2000, Tables 14-15.

For further breakdown by region and species, see the 1997 RPA report http://www.srsfia.usfs.msstate.edu/wo/FINAL_RPA_TABLES.PDF

 

Other Endgame Webpages

Index to Information on Old-Growth

U.S. Old-Growth Map

World Old-Growth Statistics

Railroads & Clearcuts maps

Clearinghouse on Forests & Corporations

 

Other Sources of Information

Smith, W. Brad et al. Forest Resources of the United States, 1997. Gen. Tech. Rep. NC-219 (St. Paul, MN: USDA, Forest Service, North Central Research Station, 2001)

US Forest Service, 2000 RPA Assessment of Forest and Range Lands http://www.fs.fed.us/pl/rpa/rpaasses.pdf

US Forest Service Forest Statistics (FIA) http://www.srsfia.usfs.msstate.edu/