Tree Species

Highlights of Wisconsin's White Birch Resource

Region	Acres	%	Cords	%
Northwest	185,900	37.7	3,831,000	36.4
Northeast	174,000	35.2	4,280,000	40.6
Central	65,500	13.3	959,000	9.1
Southwest	42,900	8.7	991,000	9.4
Southeast	25,400	5.1	475,000	4.5

1996 Acreage Of White Birch Forest Type: 493,700 Acres

1996 Volume Of White Birch Growing Stock In All Forest Types: 10,536,000 Cords

Wisconsin's white birch forest type contains a mixture of almost all tree species that are common in Wisconsin. White birch accounts for 42 percent of the growing stock volume on the white birch forest type.

1996 Growing Stock: 10,536,000 Cords.

1983 - 1995 Net Growth (Average Annual): 95,000 Cords.

Removals: 269,000 Cords.

During the period 1983 - 1995 average annual removals of white birch were about 283 percent of average net annual growth.

The white birch forest type in Wisconsin is aging. About 67 percent of this short-lived forest type is over 41 years old.

The decrease in white birch acreage and volume is a result of forest aging, drought in 1988-89 and associated insect infestations and increased harvest levels.

Last Revised: Monday July 30 2007