Forest Health
- News
DNR Announces Temporary Trail Closures At Potawatomi State Park
Temporary trail closures to the northern half of Potawatomi State Park's trail system are in immediate effect while logging operations are underway to improve safety for visitors and the health of the ecosystem.
- News
Spotlight On Wisconsin Forests During Oct. 21 Premiere Of America’s Forests With Chuck Leavell
The Nelson Institute for Environmental Studies at University of Wisconsin-Madison will host a virtual premiere of the national TV program, America’s Forests with Chuck Leavell, featuring the acclaimed host's travels to Wisconsin in the series' latest episodes.
- News
Emerald Ash Borer Confirmed In Oconto And Shawano Counties
Wisconsin Department of Natural Resources (DNR) forestry staff have confirmed the presence of emerald ash borer (EAB) in the Town of Little Suamico in Oconto County and the city of Shawano in Shawano County.
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Emerald Ash Borer
Emerald ash borer (Agrilus planipennis) is an invasive, wood-boring beetle that kills ash trees (Fraxinus spp.) by eating the tissues under the bark. Native to northeastern Asia, emerald ash borer (EAB) was first detected in the United States in…
- Webpage
Emerald Ash Borer
Emerald ash borer (Agrilus planipennis) is an invasive, wood-boring beetle that kills ash trees (Fraxinus spp.) by eating the tissues under the bark. Native to northeastern Asia, emerald ash borer (EAB) was first detected in the United States in…
- Webpage
Weed Management
The information below is intended to help manage some specific weeds in new tree planting sites and in forest sites. There is also information about general weed management in new tree plantations. Alfalfa Alfalfa grows to about 3 feet in height…
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Environmental Causes of Tree Damage
Trees are damaged by a variety of weather events including storms, drought and flooding. Chemicals like pesticides and salt also harm trees. Healthy trees are better able to recover from these stress events.
- Webpage
Red Pine Pocket Decline and Mortality
Red pine pocket decline and mortality is a disease of plantation-grown red pine. The most likely trees to show symptoms of this syndrome are 30- to 45-year-old red pines in thinned plantations. Studies to identify the reasons why certain…
- Webpage
Oak Wilt
Learn if your property is at risk, how to reduce the spread of oak wilt in a forested area, how to know if a tree has oak wilt and much more.DistributionOak wilt is widespread in southern Wisconsin, but in much of northern Wisconsin it is still a…