Bio-economic Model of Eastern Baltic Cod Under the Influence of Nutrient Enrichment Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/2514nr02f

The full paper is published in Natural Resource Modeling: DOI: 10.1111/j.1939-7445.2012.00137.x

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  • The objective of this paper is to study the economic management of Eastern Baltic cod (Gadusmorhua) under the influence of nutrient enrichment. Average nitrogen concentration in the spawning areas during the spawning season of cod stock is chosen to be an indicator of nutrient enrichment. The optimal cod stock is defined using a dynamic bio-economic model for the cod fisheries. The results show that the current stock level is about half of the estimated optimal stock level and that the current Total Allowable Catch (TAC) is about onefourth of the optimal equilibrium yield. The results also indicate that the benefit from a reduction in nitrogen very much depends on the harvest policies. If the TAC is set equal to the optimal equilibrium yield, the benefit of a nitrogen reduction from the 2009 level to the optimal nitrogen level would be about604 million DKK over a 10-year time horizon, given a discount rate of 4% per year. However, if a recovery management plan is chosen, the benefit would only be about 49 million DKK over a 10-year time horizon.
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  • Nguyen, V.T. Bio-economic Model of Eastern Baltic Cod Under the Influence of Nutrient Enrichment. In: Visible Possibilities: The Economics of Sustainable Fisheries, Aquaculture and Seafood Trade: Proceedings of the Sixteenth Biennial Conference of the International Institute of Fisheries Economics and Trade, July 16-20, Dar es Salaam, Tanzania. Edited by Ann L. Shriver. International Institute of Fisheries Economics and Trade (IIFET), Corvallis, 2012.
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  • description.provenance : Submitted by Thanh Viet Nguyen (thanhmpa@gmail.com) on 2013-01-15T16:02:18Z No. of bitstreams: 1 BIOECONOMIC MODEL OF EASTERN BALTIC COD UNDER THE INFLUENCE OF NUTRIENT ENRICHMENT.pdf: 81056 bytes, checksum: 59e9dfa8ee0eb627610f8ad487f844e7 (MD5)
  • description.provenance : Made available in DSpace on 2013-02-22T23:41:57Z (GMT). No. of bitstreams: 1 BIOECONOMIC MODEL OF EASTERN BALTIC COD UNDER THE INFLUENCE OF NUTRIENT ENRICHMENT.pdf: 81056 bytes, checksum: 59e9dfa8ee0eb627610f8ad487f844e7 (MD5) Previous issue date: 2012
  • description.provenance : Approved for entry into archive by Janet Webster(janet.webster@oregonstate.edu) on 2013-02-22T23:41:57Z (GMT) No. of bitstreams: 1 BIOECONOMIC MODEL OF EASTERN BALTIC COD UNDER THE INFLUENCE OF NUTRIENT ENRICHMENT.pdf: 81056 bytes, checksum: 59e9dfa8ee0eb627610f8ad487f844e7 (MD5)

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