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All Journal Jurnal Penelitian Pascapanen Pertanian Buletin Teknologi Pasca Panen Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Akuatika Indonesia Jurnal Airaha JRAP (Jurnal Riset Akuntansi dan Perpajakan) Farmers: Journal of Community Services
heti herawati
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Journal : Jurnal Airaha

 1 
PENGARUH PADAT TEBAR UNTUK MENINGKATKAN PRODUKTIVITAS BUDIDAYA IKAN NILEM (Osteochilus hasseltii) DENGAN PENGGUNAAN BATU AERASI HIGH OXY Heti Herawati; Rini Yulianti; Zahidah Zahidah; Asep Sahidin
Jurnal Airaha Vol 7 No 01: Juni 2018
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.478 KB) | DOI: 10.15578/ja.v7i01.68

Abstract

Conventional fish cultivation system for nilem fish which is currently mostly done with high density of stocking in order to produce high production as well. This will of course have an impact on the availability of dissolved oxygen in aquaculture ponds that will result in decreased production. The use of high oxy aeration stone can increase the dissolved oxygen level in the conventional fish farming cultivation system so that the productivity of fish nilem will increase also with the reduction of mortality rate of the nilem fish. This study aims to determine the extent of the effect of adding high oxy aeration rock to increase dissolved oxygen levels that can support the success and productivity in conventional fish farming system nilem. The research was conducted in the Physiology Laboratory of Animal Water of FPIK Unpad with experimental method of Completely Random Design with three treatments: fish density of 100, 200 and 300 head / m2 and four replications. The results obtained 200 treatment / m2 gives the best results shown from the growth rate of daily weight and the highest survival during the study of 2.7% and 75.4%.
EVALUASI SELEKTIVITAS DAN KERAMAHAN LINGKUNGAN ALAT TANGKAP DOGOL DI KABUPATEN PANGANDARAN PROVINSI JAWA BARAT Lantun Paradhita Dewanti; Izza Mahdiana; Irfan Zidni; Heti Herawati
Jurnal Airaha Vol 7 No 01: Juni 2018
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.513 KB) | DOI: 10.15578/ja.v7i01.84

Abstract

The purpose of this study was to determine the selectivity and level of environmental friendliness of mini bottom trawl in Pangandaran District. This research conducted on May-October 2017. Primary data obtained from purposive sampling either by interview or observation Selectivity indicator used was selectivity of catch species and size. Environmental friendly fishing was evaluated based on the FAO criteria. The result showed that catch rate of mini bottom trawl was 26.45 kg/hour. The main catch of mini bottom trawl in Pangandaran District was Trachypenaeus asper amount of 39,5% while by catch was Acetes sp¸ Oiolithes ruber, Trichiurus lepturus, and others catch with amount 60,40%. Catch size of mini bottom trawl main catch was ranged 4 cm - 9.90 cm. The main catch was 39,00% was more than size capture and under size capture was 61.00%. Catch utilization of this fishing gear was 93%. The result evaluation of environmental friendliness based on catch selectivity was 6 point which mean ‘less environmentally’ friendly while FAO criteria showed 18 point which mean ‘not environmentally’ friendly fishing.
Co-Authors aditya bayu prianto Asep Sahidin Ferri Satya Darmawan Fitri Awaliyah Ibnu Faizal Ine Maulina Irfan Zidni Iskandar Iskandar Iskandar Iskandar Izza Mahdiana Izza Mahdiana Apriliani Kiki Haetami Lantun Paradhita Dewanti Mochamad Candra Wirawan Arief Noir Primadona Purba prima luna Rini Yulianti Sri Widowati Yuli Andriani Zahidah Hasan Zahidah Zahidah