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Hirmawan T. Yudha
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PENDEDERAN TIRAM MUTIARA, Pinctada maxima DENGAN PERBEDAAN KEDALAMAN Sudewi Sudewi; Apri I. Supii; Tatam Sutarmat; Hirmawan T. Yudha
Jurnal Perikanan Universitas Gadjah Mada Vol 12, No 2 (2010)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (91.711 KB) | DOI: 10.22146/jfs.2947

Abstract

The aims of this experiment were to study the effect of depth to the growth and survival rate of pearl oyster (Pinctada maxima) during nursery period. The experiment was conducted in ten weeks from November 2008 to January 2009 at the Pegametan Bay using spat collector. The spat collectors were wrapped using polyethylene net, then hanged and placed in the floating cage. The growth and survival rate of juveniles were measured and counted weekly. The experiment used Completely Randomized Design (CRD) with four treatments and four replications. The treatments were 4 depths that were 0 m (near surface), 5 m, 10 m and 15 m. The results showed that the density of plankton in each depth was significantly different, which lead to the differencies of growth among treatment. The high growth and survival rate were obtained at the depth of 5 m. During ten week in nursery, the shell could growth from 3.0 mm to 36.5 mm in length, and from 2.45 mm to 30.1 mm in width. The survival rate was ranged from 2.68% to 25.15%.
Co-Authors Apri I. Supii Sudewi Sudewi Tatam Sutarmat