The gamecock. (Columbia, S.C.) 1908-2006, March 16, 1988, Page 2, Image 2
Clemson rese
into effects t
By Associated Press
CLEMSON ? Researchers at Clemson University are
heading to the woods in hopes of finding what effects acid
rain and other pollutants have on pine trees.
The project is paid for by the Environmental Protection
Agency, and Clemson has already received a $750,000
gituii. inc stiiooi cxpctis 10 gei anomer ?juu,wu soon,
said Davis McGregor, a forestry professor.
Most of the money has been spent building 24 beehivelike
chambers on Clemson's experimental forest two miles
from campus. In each circular 15-foot-wide chamber,
rows of short-leaf pine seedlings have been planted. A
special rain machine will mix acid with pure water and
funnel the mixture to the chambers.
Acid rain is suspected of slowing the growth of and killing
trees in several parts of the country and posing a
threat to the nation's $38.5 billion forest products
industry.
Foresty in South Carolina alone is a $3.5 billion
ousmess, ana me state s largest casn crop, McUregor
said.
"A reduction in growth like we've been seeing means a
lot of dollars lost from South Carolina," he said.
Acid rain is caused when sulfur dioxide and nitrogen
oxides in the air mix with rain. In the 1970s, Canadian
scientists found high levels of acidity in that country's
lakes and linked fish kills to emissions from the United
States.
Those scientists say the problem is coal-fired plants in
the Midwest, where huge smokestacks boost pollution
high into the air and away from surrounding communities.
The pollution is carried by atmospheric currents
and deposited hundreds of miles away in the form of acid
rain, scientists say.
In the early 1980s, experts in the United States began to
notice unexplained reductions in forest growth. The trend
was first SDOtted in New York and New FnolanH hut
McGregor said a study four years ago showed tree growth
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i
archers look
>f acid rain
in the Piedmont area of North Carolina, South Carolina
and Georgia had declined by an alarming 18 to 25 percent.
He said whole stands of spruce trees are dying in the
North Carolina mountains, "and no one knows why."
McGregor said he's seen patches of vegetation on the
Blue Ridge Parkway that look like they were doused with
a herbicide.
"They, of course, don't use herbicides up there, so it's
hard to believe that it's caused by anything else than air
pollution," he said.
Some experts think changes in the climate are affecting
the forests. Others blame insects and disease.
"The problem is we're really not sure what's happening,
and we need to find out," McGregor said.
"EPA's ultimate purpose is to determine the effects of
acid rain and find out at what levels pollution limits
should be set," he said.
It EXCUSES DONT SAVE UVES.
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4
Traffic. Continued from page 1
with the Division of Law and Safety budget, he said.
17 .1 f,
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Williams said Stokes was "ex- with the project, :
tremely helpful" and added that funds would hav
Stokes was impressed with Student university.
Government for getting involved.
The problem of pedestrian crossings
was then referred to the management
of the city of Columbia by
Stokes, more specifically to the traffic
division department.
Williams had been working with a
member of that department, Mike
Cribb, to ensure that something was
done. *
Cribb said S.G. hadn't been the
first to bring the problem to the at- i
tention of the city. A USC professor /
first requested that the problem be [j
looked into some time ago. \
These danger areas around campus j A]'
include the corner of Devine and
Sumter streets ? what students know ^ [
?*a nit uuiaiy / iuwcis tucu ? Hie
crossings between the Law Center
and the Coliseum; Pickens and
Greene streets and Pickens and
Pendleton. Other areas include
various crossings of Sumter and
Main streets.
Cribb said the warning signs have
all been put up and 25 mph speed
signs have also been posted.
Moreover, pedestrian crosswalks will
be painted to make them more visible
to drivers.
Money for these signs and additions
comes from the city's signing
Sitfrary an
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wiwiams ana ^rioo ooin said they
>t become involved don't know of any accidents that
said Williams, the have involved pedestrians, but Cribb
e come from the said there have been several close
calls.
Sttff Wutuanon by TROY TAGUt'
Athenian I
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PEECH DEBATE
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Candidates for the Office of
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zh 16th, 7:30 P.M.
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