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• 321. [Article] Fishermen, Markets, and Population Diversity

  Fishing impacts biodiversity on multiple levels, potentially resulting in unintended feedbacks to economic performance of the fishery over time. For example, targeting observable traits within a population ...

  Citation × Citation Citation Abstract Copy Title: Fishermen, Markets, and Population Diversity Author: Sanchirico, James N., Jardine, Sunny Fishing impacts biodiversity on multiple levels, potentially resulting in unintended feedbacks to economic performance of the fishery over time. For example, targeting observable traits within a population can impact genetic diversity, targeting populations within a species can impact population diversity, and targeting valuable species can impact biodiversity at the ecosystem level. The natural science and economics literatures, however, have given little attention to the impact of fishing on population diversity, even though population diversity is directly linked ecosystem services and estimates of population extinction rates are three orders of magnitude higher than species extinction rates. Here we develop a stochastic bioeconomic model that links the harvest of multiple salmon populations by a single commercial fishery to the trajectory of population diversity in a salmon stock complex. We parameterize our model with biological and economic data from the Copper River Chinook salmon fishery. We show that markets can incentivize the degradation of population diversity, reducing infra-marginal fishery rents and increase the variability in financial returns to the fishery. Factors impacting the magnitude of our results include the level and distribution of harvesting efficiency and market conditions. We also show that second-best management can conserve population diversity and improve welfare. Furthermore, depending fishermen’s time preferences, this management strategy is potentially self-financing. Title: Fishermen, Markets, and Population Diversity Author: Sanchirico, James N., Jardine, Sunny Fishing impacts biodiversity on multiple levels, potentially resulting in unintended feedbacks to economic performance of the fishery over time. For example, targeting observable traits within a population can impact genetic diversity, targeting populations within a species can impact population diversity, and targeting valuable species can impact biodiversity at the ecosystem level. The natural science and economics literatures, however, have given little attention to the impact of fishing on population diversity, even though population diversity is directly linked ecosystem services and estimates of population extinction rates are three orders of magnitude higher than species extinction rates. Here we develop a stochastic bioeconomic model that links the harvest of multiple salmon populations by a single commercial fishery to the trajectory of population diversity in a salmon stock complex. We parameterize our model with biological and economic data from the Copper River Chinook salmon fishery. We show that markets can incentivize the degradation of population diversity, reducing infra-marginal fishery rents and increase the variability in financial returns to the fishery. Factors impacting the magnitude of our results include the level and distribution of harvesting efficiency and market conditions. We also show that second-best management can conserve population diversity and improve welfare. Furthermore, depending fishermen’s time preferences, this management strategy is potentially self-financing. Close

• 322. [Article] An Iterated Multiyear Simulation Model to Assess Impacts of Halibut Bycatch Limits

  Bering Sea/Aleutian Islands (BSAI) groundfish fisheries are hugely productive with 2008 – 2014 harvests averaging 1.6 million tons and generating $1.95 billion annually. The BSAI also hosts a commercial ...

  Citation × Citation Citation Abstract Copy Title: An Iterated Multiyear Simulation Model to Assess Impacts of Halibut Bycatch Limits Author: Hartley, Marcus Bering Sea/Aleutian Islands (BSAI) groundfish fisheries are hugely productive with 2008 – 2014 harvests averaging 1.6 million tons and generating $1.95 billion annually. The BSAI also hosts a commercial halibut fishery with 2013 landings of 3,500 tons and revenues of $41.5 million. Downward trends in halibut biomass combined with continued bycatch mortality in the groundfish fishery pushed the commercial harvests down to 2,000 tons in 2014, with lower harvest limits expected in 2015. Halibut bycatch mortality in the groundfish fisheries have exceeded commercial halibut harvests since 2012, and barring significant changes, bycatch will continue to exceed commercial harvests. An Iterated Multi-year Simulation (IMS) model was developed to assess future impacts to both the groundfish and commercial halibut fisheries of proposed reductions of up to 35 percent from current NMFS limits on bycatch mortality, established in the groundfish management plan. The IMS-model randomly selects from the basis years (2008 – 2013) to generate a simulated future from 2014 – 2023, in which the exploitable halibut biomass is held at 2014 estimates. Each randomly drawn year brings with it the halibut bycatch from that year, along with the groundfish harvests and revenue generated. Allowable future halibut harvests are estimated using the International Pacific Halibut Commission’s harvest policy algorithm, which nets out predicted bycatch mortality from exploitable biomass levels. After 10,000 iterations, the IMS-model yields distributions of expected bycatch and harvest levels, along with estimates of changes in the net present value of revenue over the 10-year future period for both the halibut and groundfish fisheries. Title: An Iterated Multiyear Simulation Model to Assess Impacts of Halibut Bycatch Limits Author: Hartley, Marcus Bering Sea/Aleutian Islands (BSAI) groundfish fisheries are hugely productive with 2008 – 2014 harvests averaging 1.6 million tons and generating $1.95 billion annually. The BSAI also hosts a commercial halibut fishery with 2013 landings of 3,500 tons and revenues of $41.5 million. Downward trends in halibut biomass combined with continued bycatch mortality in the groundfish fishery pushed the commercial harvests down to 2,000 tons in 2014, with lower harvest limits expected in 2015. Halibut bycatch mortality in the groundfish fisheries have exceeded commercial halibut harvests since 2012, and barring significant changes, bycatch will continue to exceed commercial harvests. An Iterated Multi-year Simulation (IMS) model was developed to assess future impacts to both the groundfish and commercial halibut fisheries of proposed reductions of up to 35 percent from current NMFS limits on bycatch mortality, established in the groundfish management plan. The IMS-model randomly selects from the basis years (2008 – 2013) to generate a simulated future from 2014 – 2023, in which the exploitable halibut biomass is held at 2014 estimates. Each randomly drawn year brings with it the halibut bycatch from that year, along with the groundfish harvests and revenue generated. Allowable future halibut harvests are estimated using the International Pacific Halibut Commission’s harvest policy algorithm, which nets out predicted bycatch mortality from exploitable biomass levels. After 10,000 iterations, the IMS-model yields distributions of expected bycatch and harvest levels, along with estimates of changes in the net present value of revenue over the 10-year future period for both the halibut and groundfish fisheries. Close

• 323. [Article] Catch Quotas for the Pacific Hake Fishery in the Gulf of California

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: Catch Quotas for the Pacific Hake Fishery in the Gulf of California Author: Ramirez-Rodriguez, Mauricio Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: Catch Quotas for the Pacific Hake Fishery in the Gulf of California Author: Ramirez-Rodriguez, Mauricio Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 324. [Article] Commercial Fishing Behavior under Changing Ocean Conditions: Spatial Analysis of the US West Coast Salmon Fishery

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: Commercial Fishing Behavior under Changing Ocean Conditions: Spatial Analysis of the US West Coast Salmon Fishery Author: Thomas-Smyth, Alice, Speir, Cameron Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: Commercial Fishing Behavior under Changing Ocean Conditions: Spatial Analysis of the US West Coast Salmon Fishery Author: Thomas-Smyth, Alice, Speir, Cameron Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 325. [Article] The Economic Impacts of Emerging Diseases in Shrimp Aquaculture: Insights from a Multi-Year, Global Survey of the Industry

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: The Economic Impacts of Emerging Diseases in Shrimp Aquaculture: Insights from a Multi-Year, Global Survey of the Industry Author: Jory, Darryl, Valderrama, Diego, Anderson, James Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: The Economic Impacts of Emerging Diseases in Shrimp Aquaculture: Insights from a Multi-Year, Global Survey of the Industry Author: Jory, Darryl, Valderrama, Diego, Anderson, James Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 326. [Article] Securing Women's Rights and Livelihoods

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: Securing Women's Rights and Livelihoods Author: Smith, Sarah, Williams, Jordan, Rife, Alexis Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: Securing Women's Rights and Livelihoods Author: Smith, Sarah, Williams, Jordan, Rife, Alexis Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 327. [Article] The Round Table of Mexican Fisheries: Fisheries Governance Examples from Northwestern Mexico

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: The Round Table of Mexican Fisheries: Fisheries Governance Examples from Northwestern Mexico Author: Lluch-Belda, Daniel, Zepeda Domínguez, Jose Alberto, Ponce-Díaz, Germán, Arreguín-Sánchez, Francisco, Espinoza-Tenorio, Alejandro, Zetina-Rejón, Manuel Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: The Round Table of Mexican Fisheries: Fisheries Governance Examples from Northwestern Mexico Author: Lluch-Belda, Daniel, Zepeda Domínguez, Jose Alberto, Ponce-Díaz, Germán, Arreguín-Sánchez, Francisco, Espinoza-Tenorio, Alejandro, Zetina-Rejón, Manuel Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 328. [Article] The New Fisheries Catch Shares Program in Argentina: Balancing Efficiency and Equity Objectives in Rights-Based Management Systems

  Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), ...

  Citation × Citation Citation Abstract Copy Title: The New Fisheries Catch Shares Program in Argentina: Balancing Efficiency and Equity Objectives in Rights-Based Management Systems Author: Stefanksi, Stephanie Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Title: The New Fisheries Catch Shares Program in Argentina: Balancing Efficiency and Equity Objectives in Rights-Based Management Systems Author: Stefanksi, Stephanie Suggested Bibliographic Reference: NAAFE Forum 2017 Proceedings, March 22-24, 2017. Compiled by Ann L. Shriver with assistance from Stefani Evers. North American Association of Fisheries Economists (NAAFE), Corvallis, 2017. Close

• 329. [Article] The Challenge of Improving Fish Consumption in Developing Countries : The Case of Indonesia

  Research Paper

  Citation × Citation Citation Abstract Copy Title: The Challenge of Improving Fish Consumption in Developing Countries : The Case of Indonesia Author: Kusumastanto, Tridoyo Research Paper Title: The Challenge of Improving Fish Consumption in Developing Countries : The Case of Indonesia Author: Kusumastanto, Tridoyo Research Paper Close

• 330. [Article] A Study of the Impacts of Free Trade on Taiwan's Fisheries Sector - by Incorporating the Effect of Mainland China's Accession

  Research Paper

  Citation × Citation Citation Abstract Copy Title: A Study of the Impacts of Free Trade on Taiwan's Fisheries Sector - by Incorporating the Effect of Mainland China's Accession Author: Chiang, Fu-Sung Research Paper Title: A Study of the Impacts of Free Trade on Taiwan's Fisheries Sector - by Incorporating the Effect of Mainland China's Accession Author: Chiang, Fu-Sung Research Paper Close