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Imanda Hikmat Pradana
Xiamen University, Xiamen, People Republic of China
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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DETERMINING MONOFILAMENT GILLNET OPTIMUM MESH SIZE TO MITIGATE Amphilophus citrinellus POPULATION OUTBREAKS IN IR.H.DJUANDA RESERVOIR Prawira A.R.P. Tampubolon; Imanda Hikmat Pradana; Andri Warsa
Indonesian Fisheries Research Journal Vol 21, No 2 (2015): (December 2015)
Publisher : Research Center for Fisheries

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (393.13 KB) | DOI: 10.15578/ifrj.21.2.2015.67-74

Abstract

Gillnet is the most common fishing gear used by fishers in Ir. H. Djuanda Reservoir. Currently, gillnet catches are dominated by midas cichlid (Amphilophus citrinellus) which is not the main target catch. To some extent, their presence is even considered intrusive by the fishers. The aim of this study is to reveal the optimum gillnet mesh size in catching this alien species, which in turn can be useful to control the fish population in Ir. H. Djuanda Reservoir. The study was conducted from August 2011 to January 2012. The mesh size of the gillnets were 1, 1.5, 2, 2.5, 3, and 3.5 inches. The total midas cichlid caught were 628 fish which were mostly caught in 1.5 inches sized gillnet. Length first mature fish is 13.31 cm. The optimum size of fish caught in the mesh of 1.5, 2, 2.5, 3, and 3.5 inches are 9.7, 12.9, 16.2, 19.4, and 22.6 cm, respectively.
Co-Authors Andri Warsa Prawira A.R.P. Tampubolon