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Table 3 Annual net change in HWP carbon stocks for selected years for harvests beginning in 1906 using the IPCC/EPA production accounting approach.

From: Estimates of carbon stored in harvested wood products from the United States forest service northern region, 1906-2010

Inventory year Stock changea
(MgC yr-1)
1910 104,116
1920 97,021
1930 75,712
1940 16,051
1950 298,029
1960 591,785
1970 966,125
1980 437,628
1990 481,517
1995 59,764
2000 -184,812
2005 -151,437
2006 -135,679
2007 -200,187
2008 -198,821
2009 -191,391
2010 -173,214
  1. a Net annual change in carbon in products in use and SWDS