Education
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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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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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Germann Road Fire
One of the largest wildfires to hit Wisconsin in over 33 years, 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 and the Town of Barnes in Bayfield…
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Community Tree Management Institute
Wisconsin Community Tree Management Institute (CTMI) is a unique training experience designed for municipal staff with tree management responsibilities, but without a strong background in urban forestry. The program is ideal for staff who spend just…
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Tree Learning Center
An abundant, healthy urban tree canopy increases property values, reduces storm water runoff and erosion, improves air quality and reduces energy used for heating and cooling. Every tree makes a difference! A single 8-inch-diameter red oak in a…