Dukes Research Natural Area, Experimental forest and National Natural Landmark in Michigan, United States.
Dukes Research Natural Area is a 233-acre forest in Michigan's Upper Peninsula that forms part of an experimental forest complex. It contains mature tree stands with species including eastern hemlock, sugar maple, and white cedar distributed across different forest types.
The forest received its National Natural Landmark designation in 1974 from the U.S. Department of Interior. This recognition followed extensive logging across the Upper Peninsula before 1920 that had dramatically altered the landscape.
Scientists use this natural area as a reference site to study northern hardwood forests and track ecological shifts over long periods. Visitors encounter an active research site where experts regularly collect data and document forest patterns.
The area lies about 10 miles west of Chatham along State Road M-94 in eastern Marquette County. Visitors should wear sturdy footwear for wet terrain and be aware that active research operations may limit access to certain sections.
The forest protects intact white cedar and conifer swamps that are uncommon in the region and preserve some original forest conditions. These wetland forests are difficult to reach and show the natural state that existed before regional logging operations.
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