Residents
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Beech Bark Disease
Beech bark disease is a major threat to American beech (Fagus grandifolia) in eastern North America. The disease is the result of an interaction between an insect (a scale) and a fungus (Neonectria) and it only happens when both are present.
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Bark Beetles and Associated Issues
Bark and ambrosia beetles (family Curculionidae, subfamily Scolytinae) are a diverse group of wood-boring beetles found in every forest type across the world. The United States and Canada are home to approximately 600 species of bark and ambrosia…
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Asian Longhorned Beetle
Learn here how to identify Asian longhorned beetle, where it is and how to help keep it from moving to new places. This pest is a serious threat to Wisconsin forests because it can attack many different tree species, even when the trees are…
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Heterobasidion Root Disease (HRD)
The Wisconsin DNR maintains the locations of all stands confirmed with HRD. If you suspect HRD in your stand, please contact forest health staff for confirmation and consultation.Heterobasidion root disease (HRD), formerly known as annosum root rot…
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Hemlock Woolly Adelgid
Hemlock woolly adelgid (Adelges tsugae) is a tree-killing insect that was accidentally introduced to eastern North America. It can become a threat to Wisconsin’s eastern hemlocks if it arrives here. Learn where this pest is now, what it looks like…
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Wildfire Causes
Wildfires pose a serious threat to public safety, property and our natural resources. Over 98% of all wildfires in Wisconsin are caused by people. Knowing the common fire causes, understanding the conditions under which fires can start and spread,…
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Major Fires in Wisconsin History
Germann Road Fire | 2013 White pine torching with flame lengths reported to be 20–30 feet high. The Germann Road Fire consumed 7,499 acres and destroyed 104 structures (23 of them residences) in the Towns of Gordon and Highland in Douglas County…
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Risk of Wildfire by Season
Weather is the single most important factor influencing how fires start and spread. Temperature, wind, humidity and precipitation are the key weather components that determine the daily fire danger. Wildfires can happen just about any time of year,…
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Prescribed Fire
Prescribed fire is the intentional application of fire to a specific pre-planned area, under specific environmental conditions, to accomplish planned land management objectives. Without the use of prescribed burning as a management tool, Wisconsin…
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Preparing Your Property
A unique wildfire danger is growing where homes and other buildings are built in areas of highly flammable vegetation, creating a condition called the wildland urban interface. Homes and cabins in the middle of forests, housing developments on the…