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Ariesia A. Gemaputri
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TINGKAT PEMANFAATAN SUMBER DAYA IKAN HASIL TANGKAPAN DI PERAIRAN JEMBER Ariesia A. Gemaputri
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 1 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9094

Abstract

The purpose of this research was to determine the Maximum Sustainable Yield and Catch Per Unit of Effort as a management tools to solve the fi sh capture in the waters of Puger sub-district, Jember district. This research was conducted by direct observation method in the fi eld, and collected the statistical data from the Animal, Fisheries and Marine Department of Jember, and also from Fishing port of Puger. The statistical data as seconday data was obtained in time series from 2005 to 2011 (7 year), namely fi sh production and catching effort, then it was analyze dusing the Schaefer method to fi nd thevalue of MSY and CPUE. The MSY was analyzed using regression formula Y = a – bX (Y= CPUE, X= effort). The results showed the CPUEin the year 2007 was the highest approximately 23.47kg/trip. The Lowest CPUE was   occurred in the year 2005 approximately12.38kg/trip. Based onthe regression of Y= 33.213 -0.00004X, the MSY was found at 6,894,396.1kg/year,while the maximum catch effort was 207,581.25 trips/year
TINGKAT KELANGSUNGAN HIDUP BENIH IKAN NILA GIFT (Oreochromis niloticus) PADA SALINITAS YANG BERBEDA Adria Yulan; Ida A. Anrosana P.; Ariesia A. Gemaputri
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 2 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9100

Abstract

Oreochromis niloticus is an eurihaline fi sh which has good adaptation level of salinity. Increasing demand of Oreochromis niloticus and availability of salty water in Indonesia give opportunity to develop new strain which is more suitable. The aim of this research is to know the effect of different salinity to Oreochromis niloticus juvenile survival rate and different salinity that can be tolerated. Mean date of all parameters evaluated were sudjected to an analysis of variance (ANOVA). When signifi cant differences were found the means were tested by BNT at  level of signifi cant 1%.The result shows that salinity range 10 to 15 ppt can be tolerated by Oreochromis niloticus with survival rate level of 87,5 % to 81,25 % and 20 to 25 ppt give bad effect toward the survival rate level 25 % to 0 %.
Co-Authors Adria Yulan Ida A. Anrosana P.