Reversing the Decline of Private Oyster Planting in the Chesapeake Bay: An Evaluation of Policy Strategies
Virginia Agricultural Experiment Station, Virginia Polytechnic Institute and State University, 1990 - Oyster culture - 62 pages
"Virginia oyster production is declining primarily because of reduction in private harvests. The state has a goal of increasing private oyster production. If private production is to be increased, policies must be instituted to deal with the constraints facing private production. As a result, the state requires a better understanding of the factors that have contributed to the decline of private planting. The oyster disease MSX has received much of the blame for reduced profitability of private planting. However, economic factors, particularly the rising real cost of oyster seed relative to market prices, are also an important reason for declining profits. The objectives of this study were to evaluate economic and biological factors affecting private planting in order to identify the reasons for reduced private harvests. The results were used as a basis for making policy recommendations for restoring private production. The analysis of private planting was carried out using personal interviews with private planters and oyster biologists, and mail interviews with leaseholders, and by developing a bioeconomic simulation model for analyzing private oyster production"--National Sea Grant Library publication website.
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Trends in Oyster Production Risks and Returns
Strategies to Encourage Private Oyster Planting
Other Strategies to Encourage Private Oyster Planting
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42-year simulation Agricultural Experiment Station Andrews areas average bioeconomic model Blacksburg Burreson bushels of seed Chesapeake Bay currently planting Dermo Economics evaluated expected NPV factors Gloucester Point growth and disease growth rates Hargis Haven higher salinity incubation indicated Institute of Marine James River leases mail survey Marine Resources Commission Marine Science market oysters mechanized harvest month monthly mortality threshold MSX disease MSX infection MSX mortality MSX-resistant seed nonplanters NPV's oyster grounds oyster growth oyster industry oyster planting oyster production oyster seed Parameters per-bushel Perkinsus marinus plant oysters planters planting risky Present Value private grounds private harvests private planting private production produce oysters profitability public grounds public seed Rappahannock River reduced regular leaseholders respondents river mouth salinity levels seed beds seed costs seed harvest seed prices Shabman shown in Table strategies streamflow threshold salinity transplanting trigger U. S. Congress upriver Virginia Institute Virginia Marine Resources Virginia Water