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The term "overfishing" can be interpreted several ways (both as a
management term and a scientific term), and I think that Dr. Kenchington
was referring to it as a more applicable management term (i.e. legal
terminology) versus a strict scientific interpretation. Population
estimates used in management decisions are scientifically based, but the
best estimates are just that, estimates. It's next to impossible to get
a complete picture of an exploited population because of all the factors
that have an impact on that population. I think the better point to get
from the article is the different ways in which a fishery can be managed
(through input or output regulations) not the specific terms that are
used to describe it.
Chris McDonough
**Please Note New E-Mail Address**
Fisheries Biologist
Marine Resources Research Institute
South Carolina Dept. of Natural Resources
P.O. Box 12599
Charleston, SC 29422-2559
(843)953-9231 phone
(843)953-9820 fax
[log in to unmask]
-----Original Message-----
From: Scientific forum on fish and fisheries
[mailto:[log in to unmask]] On Behalf Of Mike Flaherty
Sent: Thursday, May 26, 2005 9:05 AM
To: [log in to unmask]
Subject: Is overfishing a scientific or legal term?
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An article titled, "Scallops overfished for past 2 years, official
says",
appeared on the front page of today's New Bedford Standard Times.
http://www.southcoasttoday.com/daily/05-05/05-26-05/a01lo102.htm
There was one excerpt in it which gave me pause...
===============================
"Overfishing is a legal term, not a scientific term, and is therefore
not an
accurate way to evaluate the health of the scallop fishery, Dr.
Kenchington
said."
===============================
As I roughly understand things, "overfishing" is defined as a point
beyond
which harvest/mortality levels exceed sustainable levels in a fishery.
It
is further my understanding that the thresholds for sustainability are
arrived at scientifically. If this is true, then isn't overfishing
truly a
scientific term? More importantly, is it a reasonably accurate way to
evaluate the health of a fishery?
Thanks,
Mike Flaherty
Wareham, MA
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