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Subject: Re: depensatory exploitation
From: Rom Lipcius <[log in to unmask]>
Reply-To:Scientific forum on fish and fisheries <[log in to unmask]>
Date:Thu, 27 Jul 2006 19:37:29 -0400
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Yes, exploitation rate or fishing mortality rate increases at 
decreased stock/population levels, for instance when fishers attempt 
to catch the same number of animals annually, irrespective of stock size.

when the stockDepensatory exploitation At 05:46 PM 7/27/2006, J. 
Orensanz wrote:
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>What is your definition for "depenatory exploitation"? A higher rate 
>of fishing mortality when abundance is low?
>
>On Thu, 27 Jul 2006, Rom Lipcius wrote:
>
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>>Greetings.
>>
>>I am investigating depensatory exploitation of the Chesapeake Bay 
>>blue crab population, and have been searching for published 
>>examples of depensatory exploitation, particularly in marine 
>>invertebrates. I have found some examples for fish, but none yet 
>>for marine invertebrates. Does anyone know of any published 
>>examples of depensatory exploitation in marine (or estuarine) invertebrates?
>>
>>Thanks.
>>
>>Sincerely,
>>Rom Lipcius
>>
>>
>>Romuald N. Lipcius, Ph.D.
>>2006 Aldo Leopold Leadership Fellow
>>&
>>Professor of Marine Science
>>Virginia Institute of Marine Science, The College of William and Mary
>>1208 Greate Road, Gloucester Point, VA 23062 USA
>>804-684-7330, [log in to unmask]
>>http://www.vims.edu/fish/faculty/lipcius_rn.html
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