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