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Subject: Re: How to calculate economic value of fishes
From: Ed <[log in to unmask]>
Reply-To:Scientific forum on fish and fisheries <[log in to unmask]>
Date:Tue, 8 Aug 2006 10:37:09 -0400
Content-Type:text/plain
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Assessing the economic value of fishes is certainly important since 
funding agencies and policy makers understand value in monetary units 
far better than they understand ecological metrics.  Unfortunately, 
calculating economic value for fish or other natural resources is 
quite complex.  Many fish have both commercial and recreational value 
and determining recreational value can be very difficult.  For 
instance, the annual value of Atlantic Coast striped bass has been 
estimated at over 0.5 billion US dollars (that is billion with a B), 
but this includes the revenue associated with fuel, tackle, and even 
local eateries that depend on the recreational fishery.  The trouble 
with this type of calculation is not knowing whether or not 
recreational fishers would stop fishing if the primary species of 
interest was eliminated.  Fishers might simply target a different 
species.  I suspect locations like Chesapeake Bay would experience a 
major decline in recreational fishing revenue in the absence of 
striped bass but exactly how much is hard to say.

Ed Martino


Ed Martino
[log in to unmask]
University of Maryland Center for Environmental Science (UMCES)
Chesapeake Biological Lab
Solomons, MD 20688

At 02:21 AM 8/8/2006, you wrote:
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>If you reply to this message, it will go to all FISH-SCI members.
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>
>I was told once in a hazmat responder class that the US Fish and Wildlife
>Service assesses the cost of hazardous waste fish kill by weighing the fish
>and then pricing them at the regional supermarkets' averaged per pound
>prices.
>C. Marelius
>
>-----Original Message-----
>From: Scientific forum on fish and fisheries
>[mailto:[log in to unmask]] On Behalf Of Johnston, Justin C
>Sent: Monday, August 07, 2006 12:59 PM
>To: [log in to unmask]
>Subject: How to calculate economic value of fishes
>
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>If you reply to this message, it will go to all FISH-SCI members.
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>
>
>List members,
>
>
>I am trying to find information and resources for calculating the
>economic value of fishes.  I need to find the combined recreational and
>commercial value on a single fish basis.  For instance, I would like to
>know how to find the value of a white crappie in the Ohio River, or an
>emerald shiner in lake Erie.  Can anyone give me any sources?  I would
>prefer published values that are already calculated and that have been
>reviewed.  Otherwise, I would like to find accepted methods for this
>sort of calculation.
>
>
>Cheers!
>
>
>Justin C Johnston
>Biologist
>
>
>Wexford Prof. Bldg. III
>11676 Perry Hwy, suite 3101
>Wexford, PA 15090
>Phone: (724) 940-4200x229
>Cell: (231) 282-2192
>Fax: (724) 940-4205
>
>
>
>
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