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Subject: Re: A data disconnect??
From: Gilles van de Walle <[log in to unmask]>
Reply-To:[log in to unmask]
Date:Wed, 5 Jul 2006 13:56:55 +0000
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Mr Stolpe could use the same argument for world fisheries maybe: indeed as 
catches have been stagnating at around 100 million tons for the past few 
years, he could argue that world fisheries are stable and sustainable at 
this level !!!!

Gilles van de Walle
Fisheries management consultant
Dakar, Senegal


>From: R G Dudley <[log in to unmask]>
>Reply-To: Scientific forum on fish and fisheries <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: A data disconnect??
>Date: Thu, 29 Jun 2006 15:53:10 +0700
>
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>
>Mike:
>
>Thanks for posting this link.  Good to see a different view of fisheries
>management!
>
>Of course looking at landings only is a problem.  Some sort of corrected
>catch per unit effort is a better measure of abundance.  Catches can remain
>stable with rising effort (either boats or efficiency) and dropping
>populations.  Of course, as Stolpe points out the details were anything but
>constant -- catches of individual fisheries doubled and dropped to almost
>nothing.  Such fluctuations are not just due to natural causes, but are due
>to over fishing and subsequent response by management and fishers to the
>decreased catches/abundance.  Certainly some of those stock recoveries were
>due to intensive management efforts (e.g. halibut) that Stolpe pokes fun 
>at.
>
>I am surprised this guy doesn't work for Fox News.... Or maybe....?
>
>I am sure others will have interesting responses.
>
>Richard
>
>
>
>
>
>-----PARTIAL Original Message-----
>From: Scientific forum on fish and fisheries
>[mailto:[log in to unmask]] On Behalf Of Mike Flaherty
>Sent: Thursday, June 29, 2006 8:52 AM
>To: [log in to unmask]
>Subject: A data disconnect??
>
>
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>
>Dear Fish-SCI,
>
>I came accross a recent blog article written by Nils Stolpe entitled, "Then
>and Now".  In it Nils lays out his case that, according to NMFS data,
>overall commercial landings have been flat between 1950 through 2004.
>
>............................
>The article can be found at the following link
>
>http://www.fishnet-usa.com/then_now.html
>
>............................
>Any insight would be appreciated.
>
>Sincerely,
>Mike Flaherty
>Wareham, MA
>
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