Growing stock statistics

United States of America

Growing stock in forest and other wooded land
FRA 2005 categories Volume (million cubic meters over bark)
Forest Other wooded land
1990 2000 2005 1990 2000 2005
Growing stock in forest and other wooded land 32,172 34,068 35,118 - - -
Commercial growing stock 25,233 26,976 27,635 - - -
Data source: FAO, Global Forest Resources Assessment 2005.



Biomass stock in forest and other wooded land
FRA 2005 categories Biomass (million metric tonnes oven-dry weight)
Forest Other wooded land
1990 2000 2005 1990 2000 2005
Above-ground biomass 28,227 30,562 31,653 - - -
Below-ground biomass 5,611 6,064 6,276 - - -
Total living biomass 33,838 36,626 37,929 - - -
Dead wood 4,888 5,226 5,350 - - -
Total 38,726 41,852 43,279 - - -
Data source: FAO, Global Forest Resources Assessment 2005.



Composition of growing stock
Rank Common name Scientific name Growing stock in Forests (million cubic meters)
1990 2000
1st Douglas-fir Pseudotsuga menziesii 2,939 3,704
2nd Loblolly pine Pinus taeda 1,868 1,905
3rd Ponderosa pine Pinus ponderosa 1,001 1,177
4th Red maple Acer rubrum 732 1,141
5th Western hemlock Tsuga heterophylla 1,212 1,032
6th Lodgepole pine Pinus contorta 862 927
7th White oak Quercus alba 688 925
8th Sugar maple Acer saccharum 553 771
9th Yellow-poplar Liriodendron tulipifera 500 749
10th Norther Red oak Quercus rubra 551 688
Remaining 14,327 13,957
Total 25,233 26,976
Data source: FAO, Global Forest Resources Assessment 2005.

last updated:  Tuesday, February 23, 2010