Abstract
The aims of this research are to know the influence of the moon day period on paperek (Leiognathus spp ) catches and it’s relation to waters physical factors of the boat liftnets in the Dodinga bay. The oceanographic parameter data are sea surface temperature, waters salinity, brightness, current velocity, wind speed and peperek catches that was in situ collected. Data analysis was done descriptively and statistics to explain the relationship among variables by using multiple linear regression. The result of F test gets the Fcount is 0.974 is greater than Ftable value is 0.442. This showing that all physical parameter waters were together to exert an influence upon the presence of paperek fish in waters. The formed of regression equation model are ŷ = 6.675 – 0.22x 1 + 0.70x 2 – 0.126x 3 – 0.58x 4 – 0.806x 1 + e; where: ŷ = total anchovies fish catch; X1 = temperature (°C ); X2 = salinity (o/oo ); X3 = wind speed (ms -1); X4 = brightness (m ); X5 = current velocity ( ms -1 ) and e = standard error. Furthermore the obtained of the paperek (Leiognathus spp ) catches were many caught on Dodinga bay waters with boat liftnets at water temperature are 25.00-25.09 °C. salinities are 30.0-31.0 ppt. current velocity are 0.05 0.18 m s-1. brightness value are 8.97-10 meters and wind speed are 1.83 3.05 ms -1.
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