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Contact information
For information on State Natural Areas, contact:
Thomas Meyer
Natural areas conservation biologist

Wisconsin State Natural Areas Program Patterson Hemlocks (No. 216)

Patterson Hemlocks

Photo by Thomas A. Meyer


Overview

Location

Oneida County. T39N-R4E, Section 3 NE¼, E½NW¼. T40-R4E, Sections 34, 35. 304 acres.

Description

Description

Patterson Hemlocks protects a large block of old-growth northern mesic forest on an isthmus between Clear and Fuller Lakes with large hemlock, yellow birch, and white pine throughout. The tract contains examples of all stages of development in a hemlock-hardwood forest from areas of dense hemlock saplings to a mature stand of hemlock with scattered clumps of supercanopy white pine. The hemlock and yellow birch are in the 15-30 inch size class while some white pines are greater than three feet in diameter (dbh) and 120 feet high. The eastern portion of the site is relatively level but becomes more rolling toward the west. Many dead standing trees, a very thick duff layer, and rotting logs on the ground accentuate the stand's old-growth appearance. Understory shrubs include mountain maple and beaked hazelnut. Intermediate wood fern and shining club moss dominate the herbaceous layer, and large patches of mountain wood-sorrel are scattered throughout. Other plants include sharp-lobed hepatica, three-leaved gold-thread, bunchberry, and large-leaved aster. Several soft-water ephemeral pools contain blue-joint grass, common bladderwort, water smartweed, coon's-tail, rattlesnake grass, and wool-grass, and afford breeding areas for frogs and salamanders. Nesting birds include black-throated green and blackburnian warblers, veery, and pileated woodpecker. Patterson Hemlocks is owned by the DNR and was designated a State Natural Area in 1987.

Access

Driving directions

From the intersection of U.S. Highway 51 and State Highway 70 in Woodruff, go west on Highway 70 13.1 miles, then south on West Clear Lake Road 1 mile to the northern boundary of the site. Park along the road.

Ownership

Patterson Hemlocks is owned by:

  • WDNR

Maps

The DNR's state natural areas program is comprised of lands owned by the state, private conservation organizations, municipalities, other governmental agencies, educational institutions and private individuals. While the majority of SNAs are open to the public, access may vary according to individual ownership policies. Public use restrictions may apply due to public safety, or to protect endangered or threatened species or unique natural features. Lands may be temporarily closed due to specific management activities. Users are encouraged to contact the landowner for more specific details.

The data shown on these maps have been obtained from various sources, and are of varying age, reliability, and resolution. The data may contain errors or omissions and should not be interpreted as a legal representation of legal ownership boundaries.

Objectives

Site objectives

Manage the property's uplands as a reserve for relict old-growth northern mesic forest and wet-mesic forest and as an ecological reference area. Natural processes will determine the structure of the forest. Manage property's ephemeral pond depressions as aquatic reserves and ecological reference areas.

Management approach

The property is primarily managed passively, allowing nature to determine the ecological characteristics of the site. Exceptions include control of invasive plants and animals, access to suppress wildfires, and maintenance of existing facilities. Salvage of trees after a major wind event is not considered compatible with management objectives.

Site-specific considerations

  • Utility corridor management occurs sporadically within the utility easement area.

Recreation

Very few State Natural Areas have public facilities, but nearly all are open for a variety of recreational activities as indicated below. Generally, there are no picnic areas, restrooms, or other developments. Parking lots or designated parking areas are noted on individual SNA pages and maps. Trails, if present, are typically undesignated footpaths. If a developed trail is present, it will normally be noted on the SNA map and/or under the "Access" tab. A compass and topographic map or a GPS unit are useful tools for exploring larger, isolated SNAs.

Allowable activities

In general, the activities listed below are allowed on all DNR-owned SNA lands. Exceptions to this list of public uses, such as SNAs closed to hunting, are noted under the "Access" tab above and posted with signs on site.

  • Hiking
  • Fishing
  • Cross country skiing
  • Hunting
  • Trapping

Prohibited activities

  • Camping and campfires
  • Collecting of animals (other than legally harvested species), non-edible fungi, rocks, minerals, fossils, archaeological artifacts, soil, downed wood, or any other natural material, alive or dead. Collecting for scientific research requires a permit issued by the DNR
  • Collecting of plants including seeds, roots or other non-edible parts of herbaceous plants such as wildflowers or grasses
  • Drone use, unless authorized by a SNA research permit
  • Geocaching
  • Horseback riding
  • Rock climbing
  • Vehicles, including bicycles, ATVs, aircraft, and snowmobiles except on trails and roadways designated for their use

For rules governing state-owned SNAs and other state lands, please consult Chapter NR 45 Wis. Admin. Code [exit DNR]

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Last revised: Thursday, October 19, 2017