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All Journal HAYATI Journal of Biosciences Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Ilmu Lingkungan Berkala Perikanan Terubuk POSITRON Jurnal Ilmiah Aplikasi Isotop Radiasi BIOTROPIA - The Southeast Asian Journal of Tropical Biology AL KAUNIYAH Jurnal Perikanan dan Kelautan Jurnal Kelautan Tropis JURNAL ENGGANO Omni-Akuatika Biosaintifika: Journal of Biology & Biology Education Jurnal Penelitian Perikanan Indonesia Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) International Journal of Remote Sensing and Earth Sciences (IJReSES) Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan JURNAL PERIKANAN TROPIS Makara Journal of Science The International Journal of Remote Sensing and Earth Sciences (IJReSES)
Tri Prartono
Marine Sciences Department, Faculty Of Fisheries And Marine Sciences, Bogor Agricultural University, Bogor, Indonesia Jln. Agatis, Kampus IPB Dramaga Bogor 16680 Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Physics Veterinary Other

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Journal : Omni-Akuatika

 1 
KEPADATAN DAN LAJU PERTUMBUHAN SPESIFIK Nannochloropsis sp. PADA KULTIVASI HETEROTROPIK MENGGUNAKAN MEDIA HIDROLISAT SINGKONG Mujizat Kawaroe; Tri Prartono; Ganjar Saefurahman
Journal Omni-Akuatika Vol 11, No 2 (2015): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (74.637 KB) | DOI: 10.20884/1.oa.2015.11.2.35

Abstract

Growth of Nannochloropsis sp. was observed in laboratory cultivation condition with enrichment of cassava hydrolysate into culture medium as follow : 25 ml microalgae strain, 75 ml seawater, without cassava hydrolysate (A); 25 ml microalgae strain, 25 ml cassava hydrolysate, 50 ml seawater (B), 25 ml microalgae strain, 50 ml cassava hydrolysate, 25 ml seawater (C). Cultivation condition was fixed as follow temperature 29°C, seawater pH 8, and salinity 30 ‰. Microalgae cultivation was performed at microalgae laboratory of Surfactant and Bioenergy Research Center using 100 ml Erlenmeyer covered by black plastic to prevent the influence of light. The specific growth rate of Nannochloropsis sp. was observed in 7 days for different cultivation medium composition. The highest density of microalgae was in the 4th days with 50ml cassava hydrolysate’s feeding (C treatment) about 172.661 cell/mL. The highest specific growth rate for Nannochloropsis sp. cultivation was observed in the 6th days without cassava hydrolysate’s feeding. Result of statistical analysis showed that different cassava hydrolysate’s feeding treatments (ml) in heterotrophically microalgae cultivation influenced the density of microalgae (cell/mL) but not influenced the specific growth rate of microalgae (per day).Keywords: Cassava hydrolysate, Density, Heterotrophic cultivation, Spesific growth rate, Nannochloropsis sp.
The Production of Organic Matter from Rhizophora mucronata and Sonneratia alba at The Kajhu and Meunasah Mesjid Villages, Aceh Besar Mai Suriani; Dietriech G Bengen; Tri Prartono
Journal Omni-Akuatika Vol 13, No 1 (2017): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (867.421 KB) | DOI: 10.20884/1.oa.2017.13.1.116

Abstract

 Production and decomposition of mangrove litter could contribute organic matter and nutrients to the coastal waters. This study was to estimate the extent to which the rehabilitated mangrove of Rhizophora mucronata and Sonneratia alba contribute organic matter. This study was conducted from November 2015 to January 2016. Litter traps were used to collect the litter production and litterbags to measure decomposition rates. The results showed that the average of litter production for Sonneratia alba and Rhizophora mucronata was 4,38 g.m-2.day-1 and 3,61 g.m-2.day-1, respectively. However, Sonneratia alba apparently showed higher decay rates compare with Rhizophora mucronata. Nutrients element (N and P) released were 321,2 kg.ha-1.years-1 and 47,45 kg.ha-1.years-1 for Sonneratia alba; and 131,4 kg.ha-1.years-1 and 13,14 kg.ha-1.years-1 for Rhizophora mucronata. Overall, this study indicated that the mangrove rehabilitation in the area study contributed insignificantly carbon restocking the affected area, although it was able to provide ecological functions of this mangrove ecosystem.
Distribution Of Batillaria Zonalis (Mollusca : Gastropoda) on Avicennia Marina (Forsk.) Vierh In The Coast Of Banggi, Rembang, Central Java Dafit Ariyanto Ariyanto; Dietriech Geoffrey Bengen; Tri Prartono; Yusli Wardiatno
Journal Omni-Akuatika Vol 14, No 3 (2018): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (393.838 KB) | DOI: 10.20884/1.oa.2018.14.3.458

Abstract

Mangroves prove a habitat for Batillaria zonalis as nursery ground, feeding ground and reproductive ground. This research was conducted from September 2016 - August 2017 and to determine the spasial and temporal pattern  with based on mangrove zone  and environmental characteristics. The gastropods and environmental characteristics were analyzed using Principal Component Analysis (PCA). The results showed that significant changes in gastropod assemblages were primarily due to changes in the water quality and season. Correlation between gastropod and physico-chemical parameters in A. marina  revealed significant relationship with gastropod B. zonalis distribution.
Co-Authors . Riska Abdullah Hisam bin Omar Achyani, Ratno Adriani Sunuddin Agus Atmadipoera Agus S Atmadipoera Alan Frendy Koropitan Albida Rante Tasak Ali Arman Ali Arman Ali Arman Ali Arman Ali Arman Ali Arman Lubis Ali Arman Lubis Amir Yarkhasy Yuliardi Andi Agussalim, Andi Angga Dwinovantyo Ani Haryati, Ani Anma Hari Kusuma Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Asmika Harnalin Simarmata Bengen, Detriech G Beta Susanto Barus Beta Susanto Barus Bibiana W. Lay Bintal Amin Chandrika Eka Larasati Dafit Ariyanto DAHLIA WULAN SARI Dea Fauzia Lestari, Dea Fauzia Dedi Soedarma Dedi Soedarma Deni Saputra Dewi S. Ariesta Dewy Septiyanti Yolanda Dietrich G Bengen Dietriech G Bengen Dietriech Geoffrey Bengen Dina Augustine DINA AUGUSTINE DWI ANDREAS SANTOSA Dwi Hindarti Dwi Hindarti, Dwi Dwiyoga Nugroho Efriyeldi, Efriyeldi Enan M. Adiwilaga Etty Riani Fadli Syamsudin Fadli Syamsudin Febrianto, Muhammad Riza Hanief Ganjar Saefurahman Hadi Hermansyah Hadi Hermansyah Harpasis S Sanusi Harpasis S. Sanusi Harpasis S. Sanusi Harpasis S. Sanusi Harpasis s. Sanusi Harpasis Slamet Sanusi Hartanto, Mochamad Tri Heron Surbakti Hilda Zulkifli Hilda Zulkifli Hilda Zulkifli I Wayan Nurjaya Imalpen Imalpen Imalpen, Imalpen Indra Jaya Indra Jaya Intan Sari Dewi, Intan Sari Irzal Effendi Iswandi Wahab Kolibongso, Duaitd Kusumaningsih, Alvianita Lestari LILY MARIA GORETTI PANGGABEAN Mai Suriani Mardiansyah Mardiansyah, Mardiansyah Martinez, Stepahnie J. Mohammad Agung Nugraha Mohammad Agung Nugraha Mohammad Khotib Mohammad Tri Hartanto Muhamad Riza Kurnia Lubis Muhammad Trial Fiar Erawan Mujizat Kawaroe Mujizat Kawaroe MUJIZAT KAWAROE Mujizat Kawaroe MUJIZAT KAWAROE Mujizat Kawaroe Mulia Purba Najamuddin N Nella Tri Agustini, Nella Tri Neviaty P Zamani Neviaty P. Zamani Nico Wantona Prabowo Nuchsin, Ruyitno Paputungan, Mohammad Sumiran Puradiredja, Sena Pasha Rastina Rastina, Rastina Restya Rahmaniar RICHARDUS KASWADJI RIDWAN AFFANDI Rina Zuraida Rina Zuraida Riris Aryawati Riris Aryawati Robinson Sitepu Ruyitno Ruyitno Salsabila, Afviya Salsabilah, Raisyah Santi Susanti Santi Susanti Santi Susanti, Santi Syahrial Syahrial Syahrial Syahrial Syahrial Syahrial Taslim Arifin WIDIASTUTI KARIM Wike Ayu Eka Putri Yani Permanawati Yeti Darmayati Yeti Darmayati Yuanpin Chang Yunita A. Noya Yusli Wardiatno Zainal Arifin Zaki, Nurul Hidayah Mat