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Table 16.25--Average annual mortality of growing stock on timberland by species group and year, Southern United States

Species group	Yeara
	1953	1963	1982	1989	1999
	Million cubic feet
Softwood	333	399	632	874	1,052
Hardwood	639	770	646	973	1,199
All groups	972	1,169	1,278	1,847	2,251

Numbers in columns may not sum to totals due to rounding.

^a Data for 1953, 1963, and 1982 are taken from Smith and others 2001. Except for Kentucky,

data for 1989 and 1999 are based on FIA inventories conducted between 1982-1989 and 1990-

1999, respectively. Kentucky data for both the 1989 and 1999 reporting years are from a 1988

FIA survey.

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