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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Omni-Akuatika Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) Jurnal Perikanan Universitas Gadjah Mada
Yogi Putranto
Dirjen Pengawasan dan Pengendalian Sumberdaya Kelautan dan Perikanan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Population of Esteochilus spp. as a Base of Sustainable Fishing in Serayu River Lestari, Windiarini; Putranto, Yogi; Setyaningrum, Nuning; Sugiharto, Sugiharto
Jurnal Perikanan Universitas Gadjah Mada Vol 11, No 2 (2009)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (34.127 KB) | DOI: 10.22146/jfs.9

Abstract

The increasing demand for freshwater resources generated by human population growth, urbanization, industrialization and irrigation will result in a decline or loss of freshwater fish such as Osteochilus spp. The aims of research were to analysis the population of Osteochilus spp in terms of abundance, longitudinal distribution and sex ratio and to determine environmental factors of river driven these populations. The research was carried out in upper part of Serayu River during wet season (January – March) and dry season (June - August) 2007. Fish was collected by using electro fishing and stratified random sampling was applied by dividing this river into five strata based on altitude. The result showed that the total abundances of Osteochilus spp. was 149 individuals, it was composed by of O. hasselti (47) with 8.30 – 24.35 cm and 11.20 – 198.70 g, O. microchephalus (101) with 11.35 – 25.21 cm and 17.9 – 206.5 g and O. kahajanensis (1) with 17.30 cm and 68.80 g. The size of population O hasselti and O. microchephalus gradually increased from 7 and 4 individuals in stratum A became 27 and 12 individuals in stratum D, and then increased up to 43 and 17 individuals in stratum E. The sex ratio of O. hasselti was 10:16 and O. microchephalus was 20:23. Both species were longitudinally distributed in Serayu River. It seems that the population of O. hasellti and O. microchephalus were more influenced by physical factors i.e. depth and current rather than chemical factors i.e. DO and pH of Serayu River.
Polycyclic Aromatic Hydrocarbons (PAHs) Potential Sources in Sediments of Plawangan Timur, Segara Anakan, Cilacap: Occurrence and Distribution Haris, Abdul; El Mouchtari, El Mountassir; Nurshofia, Winarni; Putranto, Yogi; Hidayat, Rizqi Rizaldi; Husni, Iqbal Ali; Hendrayana, Hendrayana; Mahdiana, Arif; Sulistyo, Isdy; Hidayati, Nuning Vita
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 29, No 3 (2024): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.29.3.393-402

Abstract

Polycyclic Aromatic Hydrocarbons (PAHs) have the potential to contaminate the coastal area of Plawangan Timur, Cilacap, Indonesia. Therefore, this research aims to determine the composition, distribution, source, and contamination level of PAHs in this region. Sediment samples were taken at seven stations. The research findings indicate that among the 16 types of PAHs, the proportion of each PAH varied between 3-12%. Notably, Benzo(a) Pyrene (BaP) had the highest proportion at 12%, while Naphthalene had the lowest proportion at 3%. According to the distribution pattern, PAHs with a high molecular weight (HMW) are more prevalent than those with a low molecular weight (LMW). The total amount of PAHs ranged from 185 to 1289.9 mg.kg-1 (dw), with an average of 1016.97 mg.kg-1 (dw). Using a diagnostic ratio, it was determined that the origin of the PAHs was either petrogenic, pyrogenic, mixed petrogenic and pyrogenic, or pyrolytic. As a result, Plawangan Timur's degree of pollution was classified as a very high polluted. The average concentration value of each PAHs is higher than the values for the Effect Range Low (ERL) and Effect Range Median (ERM) ranges, indicated there is a significant ecological risk that could have negative consequences on marine life and the ecosystem. It is urgently to handle PAHs pollution due to their relatively high content in sediments. This can be achieved by improving the management of wastewater treatment plants (WWTPs) for industry, optimizing the role of mangrove forests in reducing pollution in the waters, as well as building and increasing collaboration between related agencies in the prevention of marine oil spills.
Feasibility of Ray Processing Business in Cilacap, Central Java Sala, Ridwan; Putranto, Yogi; Tarigan, Daniel J.; Patanda, Mercy
Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) Vol 8 No 1 (2024): Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management)
Publisher : Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jppt.v8i1.52844

Abstract

Ikan pari salah satu ikan demersal yang banyak ditemukan di Indonesia khususnya Cilacap dan daging ikan pari merupakan salah satu ikah yang dikonsumsi serta dijadikan olahan ikan. Ikan pari di cilacap banyak diolah menjadi ikan asin selain itu ikan pari dijadikan komoditas ekspor tersebut seperti fillet daging, kerajinan kulit, tulang, sirip dan insang ikan Pari. Penelitian tentang pengolahan ikan pari bertujuan untuk menganalisis kelayakan usaha pengolahan ikan pari di Cilacap Jawa Tengah dan dilakukan di Cilacap dari bulan Maret sampai April 2022 di Desa Menganti. Data primer diperoleh dari hasil wawancara kepada nelayan dan pengolah ikan pari dengan responden berjumlah 10 orang. Data primer tersebut dianalisis dengan analisis kelayakan usaha dan hasil analisis data menunjukkan bahwa dari BEP (Break Event Point) Usaha Olahan ikan pari ini l sangat layak karena nilai R/C adalah rata-rata 11,6 dimana ratio>1,0 sedangkan periode pengembalian investasi (PBP) adalah selama 4 bula. Begitupula keuntungan rata-rata yaitu Rp.396.892.142,9.
Utilization of Social Media on Income of Fishery Products Distribution Businesses In Cilacap Regency During the Covid-19 Pandemic Putranto, Yogi; Sudarmo, Agnes Puspitasari; Patanda, Mercy
Journal Omni-Akuatika Vol 18 (2022): Omni-Akuatika Special Issue 4th Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2022.18.S1.982

Abstract

Product marketing during the Covid-19 pandemic has changed. During this pandemic, marketing fishery products through social media is a solution and innovative step towards increasing income. This purposes of this study were to determine the type of social media used and the effect of the use of social media on the income of fishery product distribution business actors in Cilacap Regency. This study used purposive random sampling data collection techniques at Fish Auction Places (Tempat Pelelangan Ikan-TPI) Lengkong and Menganti Kisik Cilacap Regency with a sample of 30 respondents with 15 respondents each TPI. The analytical method used in this research is descriptive, SWOT analysis and scoring system. The results revealed that WhatsApps was the most widely used social media and was considered the most effective by respondents in marketing fishery products both at TPI Lengkong (60%) and TPI Menganti Kisik (66.7%). The study indicated that fishery product distribution business actors in Cilacap Regency consider that social media has an effect on increasing income at TPI Lengkong (46.7%) while at TPI Menganti Kisik (53.3%). This study recommends that stakeholders take an active role in opening up market share for fishery products, so that wider export opportunities for traditional fishery products could penetrate international market.Keywords: social media, distribution of fishery products, Cilacap, Covid 19 pandemic
Co-Authors Abdul Haris Arif Mahdiana, Arif El Mouchtari, El Mountassir Hendrayana Hendrayana, Hendrayana Hidayat, Rizqi Rizaldi Husni, Iqbal Ali Isdy Sulistyo Mercy Patanda Nuning Setyaningrum Nuning Vita Hidayati Nurshofia, Winarni Ridwan Sala S. Sugiharto Sudarmo, Agnes Puspitasari Tarigan, Daniel J. Windiarini Lestari