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Partial Harvesting in Intensive Shrim Culture: A Network-Flow Model

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Abstract
  • Theoretically, partially harvesting the standing stock of cultured species over the growout cycle to reduce competitive pressure due to increased biomass could enhance growth and total yield. There are several promising laboratory results and theoretical arguments on the potential of partial harvesting in enhancing the productivity and profitability of intensive shrimp growout facilities. However, the implementation of partial harvesting in practical operation is rather difficult due to its complex nature. In this paper, we developed a practical model of partial harvesting using the network-flow approach so that it can be readily implemented and solved in MS EXCEL. We demonstrated the use of this spreadsheet model with data from a commercial shrimp farm in Hawaii. The results indicate that the model is capable of identifying the efficient harvest policy as well as assessing the viability of partial harvesting under a variety of managerial conditions and objectives.
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Citation
  • Yu, Run, PingSun Leung and Paul Bienfang. 2008. Partial Harvesting in Intensive Shrim Culture: A Network-Flow Model. In: Proceedings of the Fourteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 22-25, 2008, Nha Trang, Vietnam: Achieving a Sustainable Future: Managing Aquaculture, Fishing, Trade and Development. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2008.
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Mot-clé
Subject
Déclaration de droits
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  • US National Oceanic and Atmospheric Administration (NOAA) Fisheries Division, The Department of Fisheries and Oceans, Canada; Aquaculture CRSP and AquaFish CRSP; Minh Phu Seafood Corporation; Vietnam Datacommunication Company (VDC); Camau Frozen Seafood Processing Import Export Corporation (Camimex); Long Sinh Limited Company; Mai Linh Group and Nam Viet Corporation.
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