Study on Fish Density using Split Beam Acoustic System its relation with oceanographic factors at Sunda Strait.
Pasaribu, Bonar P.
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Study on fish density by using split beam acoustic system and its relation with oceanographic factors was conducted in Sunda Strait in last January to July 1998. R.V. Madidihang (300 GT) and various marine research instruments were employed during acoustic cruising tracks. The results shown that fish densities in the upper sea water layer of cruising legs are 1 to 4 fish/1000 m3 with fish length until 31.6 cm, at around thermocline layer 8 – 21/1000 m3 with fish lengt until 178 cm. The fish density is abundant at front area as seawater mass mass exchange of different temperature and salinity. There is also indication that fish densities are found surrounding thermocline layer.