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annotated bibliography of fisheries economics literature - Office of ...

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In this paper a bioeconomic simulation <strong>of</strong> the U.S. <strong>fisheries</strong> for silver<br />

hake, Merluccius bilinearis, is presented. The model design combines elements<br />

<strong>of</strong> age structured population and harvest yield models with the <strong>economics</strong> <strong>of</strong><br />

the silver hake fishery. The analysis evaluates both biological and economic<br />

effects <strong>of</strong> interest to managers, such as future yields or rebuilding <strong>of</strong><br />

parental stock as well as future revenues and net returns to vessels. The<br />

bioeconomic model is used to evaluate the economic implications <strong>of</strong> trade<strong>of</strong>fs<br />

between alternative selection patterns in the U.S. Atlantic silver hake<br />

fishery. Throughout the study, a selection pattern is defined as the suite <strong>of</strong><br />

age specific selection coefficients that are applied to a fish population over<br />

time. Of particular interest is exploration <strong>of</strong> whether trade <strong>of</strong>fs among<br />

segments <strong>of</strong> a fish population can result in increased resource value. This<br />

question is explored within the context <strong>of</strong> whether a limited juvenile fishery<br />

can co-exist with traditional <strong>fisheries</strong> without jeopardizing silver hake<br />

stocks and if so, under what conditions might such a fishery operates.<br />

Thunberg, Eric and James L. Seale (1992). "Economic Analysis <strong>of</strong> United<br />

States Demand for Swordfish and the Economic Effects <strong>of</strong> Effort<br />

Reduction on the Gulf <strong>of</strong> Mexico Swordfish Fishery." Final Project<br />

Report, MARFIN, Department <strong>of</strong> Food and Resource Economics, P.O.<br />

Box 110240, University <strong>of</strong> Florida, Gainesville, FL 32611-0240.<br />

In an attempted to reduce fishing mortality on the North Atlantic<br />

swordfish fishery, domestic and international management agencies have<br />

cooperated in a multilateral effort to establish quotas and minimum size<br />

requirements. These restrictions can have significant economic consequences<br />

on the participants in the fishery. However, little information on the<br />

economic relationships <strong>of</strong> the swordfish fishery is available. The objectives<br />

<strong>of</strong> this study were to develop an economic model <strong>of</strong> the U.S. swordfish markets<br />

including swordfish demand and supply functions from each <strong>of</strong> four different<br />

sources <strong>of</strong> supply, estimate changes in consumer and producer surplus<br />

associated with harvest reduction measures in the North Atlantic, examine the<br />

indirect effects <strong>of</strong> North Atlantic swordfish on tunas, and nonmanagement unit<br />

swordfish stocks. A general equilibrium modeling approach was adopted to<br />

construct an economic model <strong>of</strong> swordfish supply and demand. Predicted<br />

consumer surplus losses are $3.4 million annually, while producer surplus<br />

losses to domestic North Atlantic swordfish fishermen are $5.98 million.<br />

These results are based on an analysis in which supplies <strong>of</strong> swordfish from<br />

nonmanagement unit stocks were allowed to respond to predicted price changes<br />

following the imposition <strong>of</strong> quotas in the North Atlantic. Consumer surplus<br />

losses were estimated to be slightly higher if this supply response was not<br />

taken into account. The results showed that changes in swordfish prices do<br />

affect tuna markets, hence, North Atlantic swordfish management may have<br />

unintended effects on effort directed toward tuna as a substitute species.<br />

Further, supply responses from nonmanagement unit were found to be greater<br />

than that for management unit stocks suggesting that North Atlantic swordfish<br />

management could have implications for harvest effort and management concern<br />

toward other stocks.<br />

Thunberg, Eric and Scott Steinback (1996). A Simulation Model to Evaluate<br />

the Impacts <strong>of</strong> Recreational Fishery Bag and Size Limits. Draft report,<br />

Social Sciences Branch, Northeast Fisheries Science Center, 166 Water<br />

Street, Woods Hole, MA.<br />

A stochastic simulation approach is presented to assess the recreational<br />

fishing impacts <strong>of</strong> Amendment 7 to the Northeast Multispecies Fishery<br />

Management Plan. Impacts are presented by mode (party/charter and<br />

private/rental boat) and area (North: Maine, New Hampshire, and Massachusetts,<br />

and South: Connecticut, Rhode Island, and New York). To account for<br />

6 7 0

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