Optimal Bioeconomic Multispecies Fisheries Management: A Baltic Sea Case Study Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/v405sg205

This extended abstract is based on a full article that has been published originally in Marine Resource Economics, volume 27, pp. 115-136, and published here with a kind permission of the journal. Link to the full article:  http://marineresourceeconomics.com/doi/abs/10.5950/0738-1360-27.2.115. This study is part of the Nordic Centre of Excellence project "Nordic Centre for Research on Marine Ecosystems and Resources under Climate Change" (NorMER) supported financially by the Nordforsk Top-Level Research Initiative (TFI), NordForsk Project number 36800.

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  • We assess cod, herring, and sprat fisheries in the Baltic Sea under different salinity conditions using a bioeconomic model with simple predation functions. We compare the current fishing policy to an optimal policy under two different salinity conditions, which have a link to climate change. The fishery of these species is not at the most profitable level. If the fishing mortalities are lower, economic return will be greater in the long run. A lower fishing mortality for cod, which allows time for individuals to grow and achieve a higher economic value and reproduction potential, would result in the recovery of the cod stock. Under a high salinity level, which leads to better conditions for cod recruitment, the cod stock has a better chance to recover even without a decrease in fishing mortality. Therefore, fishery management is even more important under conditions of low salinity, which are likely to prevail in the future due to changing climate.
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  • Nieminen, E., Lindroos, M., and O. Heikinheimo. Optimal Bioeconomic Multispecies Fisheries Management: A Baltic Sea Case Study 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 : Made available in DSpace on 2012-09-26T15:38:54Z (GMT). No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Optimal Bioeconomic Multispecies Fisheries Management_A Baltic Sea Case Study.pdf: 124589 bytes, checksum: 3b3ced7c78fd32979e3225112bc4fb3c (MD5) Previous issue date: 2012
  • description.provenance : Submitted by Emmi Nieminen (emmi.e.nieminen@helsinki.fi) on 2012-09-13T07:16:34Z No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Optimal Bioeconomic Multispecies Fisheries Management_A Baltic Sea Case Study.pdf: 124589 bytes, checksum: 3b3ced7c78fd32979e3225112bc4fb3c (MD5)
  • description.provenance : Approved for entry into archive by Janet Webster(janet.webster@oregonstate.edu) on 2012-09-26T15:38:54Z (GMT) No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Optimal Bioeconomic Multispecies Fisheries Management_A Baltic Sea Case Study.pdf: 124589 bytes, checksum: 3b3ced7c78fd32979e3225112bc4fb3c (MD5)

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