The Rural Voice, 2005-12, Page 57Woodlot Management
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quarantine order that prevents
movement of firewood, ash nursery
stock, trees, logs, lumber or wood
with bark attached, wood chips or
bark chips out of the regulated areas.
Non-compliance with the quarantine
normally results in a $400 fine but
penalties can include up to two years
in prison and a $400,000 fine.
Very little is known about this
pest. In fact, it was named by North
American scientists when discovered
in Michigan. A number of scientists
are now studying the pest both here
and in its native areas of Asia. At
this point the primary hope for
control seems to be the three "P's" —
parasites, pathogens and predators.
Levels of parasitism in North
America at this point are only one or
two percent. In Asia, scientists have
seen up to a 90 per cent rate of attack
by parasitic wasps, some of which
have only recently been discovered. I
think it is likely these natural controls
will eventually catch up to the EAB.
The question is, will it take two, 20 or
200 years?
Butternut has recently been listed
as "Endangered" under Canada's
Species at Risk Act Its decline is
due the Butternut Canker,fcaused by
a fungal pathogen that is believed to
have been introduced from outside
North America. The Endangered
status only impacts on federal lands
and not private property at this point.
Barb Boysen, of the Forest Gene
Conservation Association (FGCA)
believes that one of the primary
possibilities for saving this species
may lie in finding trees that have
natural resistance or some resilience
to the infection. She feels assistance
from private woodlot owners is
critical if the species is to be saved.
She asks that landowners not cut
healthy trees or trees showing
resilience to the disease. It is
important that these trees be allowed
to reproduce and maintain those traits
in the gene pool. She also asks that
surviving trees be reported to the
FGCA and that everyone help to
spread the word on the plight of this
species. For more information, visit
the FGCA web site at www.fgca.net
A native pest, the Hickory Bark
Beetle, continued to cause significant
mortality in hickory trees in 2005,
particularly in southern Huron
County and Middlesex County. This
is normally a secondary pest,
attacking only declining trees or trees
under stress. Field staff believe that
drought -like weather conditions
experienced in 2000 and 2001 has
predisposed the hickory trees to
attack by this pest. It is hoped the
population will eventually collapse,
as normally happens with outbreaks
of native pests.
On a positive note, officials are
optimistic that control measures
targeting the Arian Long -horned
Beetle in north Toronto are achieving
desired results.
If you have questions about
woodlot management or ideas for
topics you would like to see covered
in a future cdlumn, please contact
Steve Bowers at 519-482-3661 or
steve.bowers@mnr.gov.on.ca.
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