Wolf River GMU

Below are statistics, charts and general information on the Wolf River GMU. All chart and map links open in a separate window.

The Wolf River GMU is heavily forested in the north and west. Almost the entire land area (95%) of Menominee County is timberland.

Forest acreage

The area of timberland in the Wolf River GMU has decreased by 11,370 acres or 1% over the past decade. The most recent survey (2001-2005) indicates that productive forest land makes up about 819,296 acres or 41% of the total land area of the GMU.
View bar chart: Timberland acreage in the Wolf River GMU

Forest types

Hard maple-dominated forest types, sugar maple/beech/yellow birch and hard maple/basswood, account for 24% of all timberland acreage. Bottomland types, such as black ash/American elm/red maple, tamarack, northern white cedar, and sugarberry/hackberry/elm/green ash, make up another 26% of acreage.
View bar chart: The most important forest types in the Wolf River GMU

Growing stock volume

Total growing stock volume in the Wolf River GMU is 1.5 billion cubic feet. Sugar maple accounts for the greatest growing stock volume, followed by red maple, red pine and northern white cedar.

Ratio of growth to removals

Net annual growth of trees (47.1 million cubic feet) in the Wolf River GMU exceeds annual removals (27.6 million cubic feet) by about 71%. Quaking aspen accounts for the largest volume or 36% of all removals. Northern red, pin and bur oak together make up another 25% of growing stock removals.

Habitat type

Over a third of the timberland in the Wolf River GMU is classified as either mesic-wet mesic or lowland.
View pie chart: Major habitat types in the Wolf River GMU

Timberland ownership

The overwhelming majority or 96% of the timberland in the Wolf River GMU remains in private hands with only 4% owned by state, county and municipal government.
View pie chart: Ownership of Timberland in the Wolf River GMU