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Testing of optimal fishing effort for sardine in the eastern Adriatic using system dynamics (CROSBI ID 533573)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Slišković, Merica ; Munitić, Ante ; Jelić-Mrčelić, Gorana Testing of optimal fishing effort for sardine in the eastern Adriatic using system dynamics // Proceedings of the 6th EUROSIM Congress on Modelling and Simulation / Zupančić, Borut ; Karba, Kihard ; Blažić, Sašo (ur.). Ljubljana: ARGESIM-ARGE Simulation News, 2007. str. 405-x

Podaci o odgovornosti

Slišković, Merica ; Munitić, Ante ; Jelić-Mrčelić, Gorana

engleski

Testing of optimal fishing effort for sardine in the eastern Adriatic using system dynamics

In this paper Schaefer production model of sardine in the Adriatic Sea is presented using System dynamics methodology. Production models are very simple but they can be good approximation for complex behavior dynamics of biological systems. Sardine population is chosen due to its great economic importance to Croatian fishing. In this paper, Schaefer (1954) production model was used due to lack of appropriate biological data for any other model. The qualitative and quantitative models of observed sardine population have been developed. Different scenarios are made ; using available biological data for sardine in the Adriatic Sea. Total fishing effort in relation to stock under exploitation is an essential parameter in the policy of sustainable marine resources management. Using Schaefer and Fox production models (Alegria– Hernandez, 1983), gave some optimal value for the fishing effort for sardine in the eastern Adriatic. Those values are tested using System Dynamics and obtained results are compared. Modeling and simulation enables testing of different exploitation scenarios without endangering sardine real population. The results of testing lower and upper limit for fishing effort (Scenario 1a and 1b) are shown in this paper. Although, available biological data give range of optimal fishing effort it is evident that upper limit reduce sardine biomass below initial state, while lover limit enables increase of sardine biomass.

Schaefer production model; sardine population; The Adriatic Sea; System dynamics

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Podaci o prilogu

405-x.

2007.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 6th EUROSIM Congress on Modelling and Simulation

Zupančić, Borut ; Karba, Kihard ; Blažić, Sašo

Ljubljana: ARGESIM-ARGE Simulation News

978-3-901608-32-2

Podaci o skupu

6th EUROSIM Congress on Modelling and Simulation

poster

09.09.2007-13.09.2007

Ljubljana, Slovenija

Povezanost rada

Poljoprivreda (agronomija), Drvna tehnologija