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Filtering by: Creator Biel, Frances M. Remove constraint Creator: Biel, Frances M. Conference Name International Institute of Fisheries Economics & Trade Remove constraint Conference Name: International Institute of Fisheries Economics & Trade Subject Fish populations Remove constraint Subject: Fish populations

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U.S. Catfish Farm Supply Under Uncertainties

Creator:

Nguyen, Giap and Jolly, Curtis M.

Abstract:

The present study uses normalized profit function and adaptive expectation approaches to analyze U.S. catfish farm supply. Empirical estimations give short-run supply elasticity of 0.25 and 0.26 and long-run supply elasticity of 0.47 and 2.1 in each of the two approaches, respectively. Technological improvement is attributed for only 9.8% out...

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Research Paper

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, nguyegv@auburn.edu Curtis M. Jolly, Auburn University, cjolly@auburn.edu ABSTRACT The present study
Estimating A Supply Function for the Galician Fleet in the Celtic Sea Fishery

Creator:

Torralba-Cano, Julia, Pérez-Pérez, Marcos, Garza-Gil, M. Dolores, and Varela-Lafuente, Manuel M.

Abstract:

The aim of this work is to estimate the supply elasticity of the fish regarding the variationsin one of the most important running costs (fuel cost) for the Galician fleet in the Celtic Sea. The Spanish fleet involved in the Celtic Sea fishing grounds, also known as the _300 fleet_,...

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Research Paper

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, University of Vigo, jtorralba@uvigo.es Marcos Pérez-Pérez, University of Vigo, marcos.perez@uvigo.es M
Optimal Harvesting Time in Aquaculture Assuming Nonlinear Size-Heterogeneous Growth

Creator:

Araneda, Marcelo E., Hernandez, Juan M., and Gasca-Leyva, Eucario

Abstract:

This study explores the optimal harvesting time in a size-heterogeneous population dynamics. The model includes the effect of population density in both the mortality rate and individual growth. An application to specific conditions of shrimp culture in Mexico is presented. The optimal harvesting rule is numerically found for different economic...

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Research Paper

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M. Hernandez, Universidad de las Palmas de Gran Canaria, Spain, jhernandez@dmc.ulpgc.es Eucario
An Economic Analysis of Low Value Species As An Alternative Nutritional Source In Strengthening Food Security In India

Creator:

Kodial, Harshini and Reddy, Muni

Abstract:

According to nutrition based indicators, 50% of Indias population is estimated to be below poverty line with inadequate nutritional intake. Though majority of Indian population derives its nutritional requirement from plant sources, there is a need to include animal proteins according to nutritionists. In India, animal protein costs much more...

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Other

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between 655-3,280 ft (200-1,000 m). GLOBEC study (1993) has estimated a stock of 100 mn tons of
Generalization of Age-Structured Models in Theory and Practice

Creator:

Steinshamn, Stein Ivar

Abstract:

A generalization of the harvesting functions and the stock updating functions in age-structured bioeconomic models is outlined. Using this generalization everything from completely uniformly distributed fish to extreme schooling is taken care of. The classical Beverton-Holt model comes out as a special case of the generalized model. Both the theoretical...

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Research Paper

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                 1 1 )1(1 0)( M qE e M qE NtN tM 2 Et selskap i NHH miljøet 33 • Number of fish at time t
Protected Areas for Conflict Resolution and Management of Recreational and Commercial Fisheries

Creator:

Ngoc, Quach Thi Khanh and Flaaten, Ola

Abstract:

This paper investigates interactions between recreational and commercial fisheries. It introduces the idea of a protected area for recreational fisheries, as a way to reduce conflicts between the two sectors and to preserve the natural resource. It is demonstrated that without a protected area for recreational fisheries, open access may...

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Research Paper

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recreational fishery; and m m1 is the area for the commercial fishery. Since the recreational sector
Microeconomic influence of Marine Environment Conditions on Red Seabream Fishery of the Strait of Gibraltar

Creator:

Castilla Espino, David, Bago Sotillo, Elena, and García del Hoyo, Juan José

Abstract:

This paper is aimed at determining the impact of the variability of marine environment conditions on the capture of a vessel that exploit the red seabream fishery of the Strait of Gibraltar. This paper estimates first and second order elasticities of a Translog approximation of a Stochastic Distance Functions of...

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Research Paper

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shore and goes to deeper waters at it becomes mature up to 400 m. in Eastern Atlantic and Western
Bioeconomic Dynamic Modelling of the Chilean Southern Demersal Fishery

Creator:

Cerda-D'Amico, Rene, Gonzalez Poblete, Exequiel, and Molina Hernandez, Renato

Abstract:

The demersal fishery of southern Chile is a complex system including multiple species, fishing fleets and markets. Fishing activity is conducted under a rights-based system for southern hake (Merluccius australis) and hoki (Macroronus magellanicus), where a TAC is allocated in an even manner among fleets and operators. New management approaches...

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Research Paper

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time t, Rt recruitment to the fishery at time t and m is the instantaneous natural mortality rate
A Stackelberg Analysis of the Potential for Cooperation in Straddling Stock Fisheries

Creator:

Long, Le Kim and Flaaten, Ola

Abstract:

To ensure the long-term conservation and sustainable use of straddling fish stocks, the 1995 United Nations Fish Stock Agreement calls for the establishment of regional fisheries management organizations to manage such stocks. This paper studies the potential for cooperation in straddling stock fisheries when the cooperative coalition of countries acts...

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Research Paper

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) Straddling fishery: a differential game model. Economica 69: 207–221 Bjorndal T, Kaitala V, Lindroos M
Towards Behavioural Models of Fleet Dynamics

Creator:

Van Putten, Ingrid, Kulmala, Soile, Dowling, Natalie, Hamon, Katell G., Hutton, Trevor, Pascoe, Sean, and Thébaud, Olivier

Abstract:

Considerable attention has been applied to the development of models explaining how fish stocks change over space and time, from relatively simple stock-recruitment relationships to ecosystem models with a complex food web structure. However, in many case studies fishing effort is assumed to be exogenous and even in dynamic models...

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Research Paper

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70, 29280Plouzané, France Université européenne de Bretagne, Université de Brest, UMR AMURE, IUEM

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Conference Name

International Institute of Fisheries Economics & Trade[remove]18

Creator

Flaaten, Ola2
Alabi, Reuben Adeolu1
Araneda, Marcelo E.1
Bago Sotillo, Elena1
Berkenhagen, Jorg1
more Creators »

Date

201018

Decade

2010-201918

Language

English [eng]18

Peer Reviewed

No18

Resource Type

Research Paper17
Other1

Rights Statement

Copyright Not Evaluated18

Subject

Fish populations[remove]18
Fishery management7
Conservation of natural resources2
Sustainability2
Catfishes1
more Subjects »

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