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Application of System Dynamics Methodology for determination of sustainable sardine catch in Eastern Adriatic

In this paper qualitative and quantitative models of observed sardine population are made using available biological data for sardine in the Adriatic Sea. According to the System dynamics methodology Schaefer production model for sardine population is presented. Several simulation scenarios for determination of sustainable sardine catch are made, all in Powersim and DYNAMO program package. The Schaefer production model is often applied for investigation behavior dynamics of fish population, particularly for efficient management of marine biological resources including their protection. Alegria-Hernandez (1983) also used Schaefer and Fox production models for sardine population in eastern Adriatic. In this paper Schaefer production model is used due to lack of appropriate biological data for any other model. Sardine population is chosen due to its great economic importance to Croatian fishing.

System Dynamics Methodology; sustainable sardine catch; Eastern Adriatic

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