Abstract
Forecasting fish landings is a critical element tool for fisheries managers and policymakers to short-term quantitative recommendations for fisheries management. In this study, the forecasting of a quarterly landing of total fish catch and the catch of major pelagic fish species (Indian Mackerel and Bombay duck) was done by nonlinear autoregressive with exogenous inputs (NARX), an artificial neural network model. The quarterly landings data of total fish catch and the catch of major pelagic fish along with quarterly average data on the mean value of environmental variables were used for building the model and forecasting. The developed NARX model was validated with the actual fish catch on holdout data with prediction error 2.45–11.42%. Further, the developed NARX model was used to forecast fish catch for the next 20 quarters (5 years) and was compared and found good agreement with the actual catch reported by Central Marine Fisheries Research Institute, Kochi, annual report(Year- 2014, 2015 and 2016). The developed NARX model in the present case study is of the first time to forecast the fish catch landing using exogenous input in the Maharashtra region.
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References
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Acknowledgements
The authors thank the Director ICAR-Central Institute of Fisheries Education (CIFE), Mumbai, India, for providing the facilities to carry this work. This paper forms part of the Ph.D. thesis of the first author. The authors sincerely thank the Director, Indian Institute of Technology Bombay, India, for providing necessary facilities for the study.
Funding
No funding. However, the research analysis was a part of Institutional (ICAR-CIFE Mumbai-400061) activity. Project code: CIFE-2014/2.
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Yadav, V.K., Jahageerdar, S. & Adinarayana, J. Modeling Framework to Study the Influence of Environmental Variables for Forecasting the Quarterly Landing of Total Fish Catch and Catch of Small Major Pelagic Fish of North-West Maharashtra Coast of India. Natl. Acad. Sci. Lett. 43, 515–518 (2020). https://doi.org/10.1007/s40009-020-00922-2
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DOI: https://doi.org/10.1007/s40009-020-00922-2