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Subject: R: Is overfishing a scientific or legal term?
From: donatella del piero <[log in to unmask]>
Reply-To:Scientific forum on fish and fisheries <[log in to unmask]>
Date:Thu, 26 May 2005 15:40:24 +0200
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Hi, I supposed it was a technical term so :if F is 0,51 Z you are
technically in overfishing (Gulland ????)
but maybe we need other definition, i'm thinking to cohort number  or length
deficit, but it's difficult to implement such concept (for me of course)
D.Del Piero

-----Messaggio originale-----
Da: Scientific forum on fish and fisheries
[mailto:[log in to unmask]]Per conto di Mike Flaherty
Inviato: giovedý 26 maggio 2005 15.05
A: [log in to unmask]
Oggetto: 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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