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E-M:/ Fwd- TREES AT TAHQUAMENON FALLS STATE PARK INFECTED WITH BEEC



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Enviro-Mich message from "Rita Jack" <ritaj@flint.umich.edu>
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------- Forwarded message follows -------
Date sent:      	Thu, 21 Sep 2000 13:15:18 -0400
Send reply to:  	Department of Natural Resources publications list
             	<DNRWIRE@LISTSERV.STATE.MI.US>
From:           	Julee Hasbany <hasbanyj@STATE.MI.US>
Subject:        	TREES AT TAHQUAMENON FALLS STATE PARK INFECTED WITH BEECH BARK
             	DISEASE
To:             	DNRWIRE@LISTSERV.STATE.MI.US

FOR IMMEDIATE RELEASE, 21 SEPT 00
CONTACT:  Chuck Weiringa, 906-492-3415

TREES AT TAHQUAMENON FALLS STATE PARK
INFECTED WITH BEECH BARK DISEASE

LANSING--The Michigan Department of Natural Resources plans 
to remove up to 95 beech trees infected with beech bark 
disease from the two campgrounds at Tahquamenon Falls State 
Park.
Bob Heyd, DNR Forest Health Specialist, inspected the trees 
and confirmed the presence of beech bark disease. "Infested 
trees, especially dead and dying ones, are a safety hazard 
to the public," Heyd said. "Removing them is the most 
responsible course of action."
Beech bark disease causes significant mortality and defect 
in American beech. The disease results when bark is attacked 
by the beech scale, an immobile insect that removes tree sap 
by inserting its needle-like mouthpart into the bark. Scale 
feeding stresses the tree and provides points of entry for a 
fungus, which is the primary damaging agent. Beech bark 
scale appears as white cottony spots, which can completely 
cover the mainstem of a beech in outbreak areas.
Beech bark disease is one of the latest exotic pest problems 
to plague Michigan forests. It accidentally was introduced 
into Nova Scotia in 1890 on ornamental beech imported from 
Europe. By the early 1930s, the scale and associated Nectria 
fungi were found throughout the Maritime Provinces in Canada 
and in localized areas of Maine. Beech bark disease was 
discovered in Michigan this year for the first time.
As the disease runs its course, the DNR expects more beech 
trees to be lost. Early diagnosis, however, allows 
replacement trees to be planted now. 
"We realize the removal of these mature, magnificent trees 
will impact the aesthetic beauty of our park," said Chuck 
Wieringa, Tahquamenon Falls State Park Manager, "but 
planting new trees will maintain our natural setting and 
ensure that Tahquamenon Falls remains one of the most 
pristine parks in our system."

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