Residents
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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.
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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…
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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…
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Limited Term Employment (LTE) openings
Limited Term Employment (LTE) openings with the Department of Natural Resources (DNR) are located throughout Wisconsin. LTE jobs are temporary and you do not need to take a civil service examination. Limited term jobs vary in length but will not…
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Internship programs
State Of Wisconsin Student Diversity Internship Program The State of Wisconsin Student Diversity Internship Program offers opportunities for all students across the state. This internship program explicitly targets students across…
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Find Forest Health Help
For sick forest trees, contact a DNR forest health specialist or forester.For sick yard trees, contact a certified arborist or visit the University of Wisconsin-Madison Extension's Ask Your Gardening Question page.
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Spongy Moth
Those currently experiencing a spongy moth infestation are also invited to visit the interagency Wisconsin Spongy Moth Resource Center [exit DNR]. The European spongy moth (Lymantria dispar) was accidentally introduced into Massachusetts in 1869 by…
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Forest Tent Caterpillar
The forest tent caterpillar is an important leaf-eating (defoliating) caterpillar in Wisconsin. Some people call forest tent caterpillars "army worms" because as they travel across the ground they look like marching soldiers. Distribution Forest…
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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…