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current conditions and trends in forest resources and the forest products industry.
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data on Wisconsin's forests.
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Forest Products Services Team

Forest resourcesAnnual report and publications

Information on current conditions and trends in forest resources and the forest products industry in Wisconsin. These reports are produced annually by the Wisconsin Deparment of Natural Resources Division of Forestry, Utilization and Marketing Program and with the U.S.D.A. Forest Service.

Statewide summary

Glossary

Average annual mortality of growing stock
The average cubic foot volume of sound wood in growing-stock trees that died in one year. This statistic is an average for the years between inventories.
Average annual net growth
The annual change in cubic foot volume of sound wood in live trees through growth less volume losses resulting from natural causes. This statistic is an average for the years between inventories.
Average annual removals
The average net growing stock volume in growing stock trees removed annually for roundwood forest products. This statistic is an average for the years between inventories.
Average weighted stumpage prices
The weighted average is calculated by adding up the total value (volume multiplied by unit value) for each timber species and product combination of each timber sale in a given calendar year and then dividing by the total volume. The timber sale data analyzed was from both private land and public land timber sales conducted throughout the state. See Chapter NR 46 of the Wisconsin Administrative Code [PDF exit DNR] for more information.
Forest type
Classification of forest land based on the species forming a plurality of live tree stocking. The associated species for each forest type are based on net volume of growing stock and all live biomass by species group.
Gross growth
Net growth plus volume losses due to mortality.
Growing stock tree
A live tree of commercial species that meets specified standards of size, quality, and merchantability. Excludes rough, rotten, and dead trees.
Growing stock volume
Net volume in cubic feet of growing stock trees 5.0 inches d.b.h. and over, from 1 foot above the ground to a minimum 4.0-inch top diameter outside bark of the central stem or to the point where the central stem breaks into limbs.
Pole tree
A live tree of commercial species at least 5.0 inches d.b.h. (diameter at 4.5 ft), but smaller than sawtimber size.
Roundwood
Logs, bolts, or other round sections (including chips from roundwood) cut from trees for industrial or consumer uses.
Sapling
A live tree 1.0 to 5.0 inches d.b.h (diameter at 4.5 ft).
Sawtimber tree
A live tree of commercial species containing at least a 12-foot saw log or two noncontiguous saw logs 8 feet or longer, and meeting regional specifications for freedom from defect. Softwoods must be at least 9.0 inches d.b.h. (diameter at 4.5 ft). Hardwoods must be at least 11.0 inches d.b.h.
Seedling
A live tree less than 1.0 inch d.b.h (diameter at 4.5 ft) that is expected to survive.
Timber Mart North
Reported prices resulting from a survey of timber buyers, sellers, and their agents. Survey participants are asked to report on typical prices in the region during the specified period, to eliminate the variation that can result simply because of a limited number of observations. Published semi-annually by George Banzhaf & Company.
Weighted average stumpage prices
Calculated as the total value (volume multiplied by unit value) for each timber species and product combination of each timber sale in.

Publications

Business management:

Sawmill production:

Grading and scaling:

Kiln drying:

Utilization:

Last Revised: Wednesday September 06 2017