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Omni-Akuatika

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Published by Universitas Jenderal Soedirman

ISSN : 18583873 EISSN : 24769347 DOI : -

Core Subject : Science, Agriculture, Social,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

OmniAquatika is a scholarly refereed research journal which aims to promote the theory and practice, innovation, engineering and management as well as social-economic relevant in fisheries and marine sciences fields. The main aspects of research areas include, but are not exclusive to the current research on cells, organisms, populations, ecosystems, or processes that affect aquatic systems in the field of fisheries and marine science. The journal also welcome other aquatic relevant aspect related to the transport, fate, control of nutrients and abatement of pollutants in the aquatic environment as well as the ecosystem rehabilitation. The authors and readers are students, scientists, and regulatory experts from the academic, industrial, and government sectors worldwide. Master thesis and part of dissertation research work might becoming the potential contributors. High-quality, research articles make up the primary content. Other contributions are short communications, reviews, and special issues. Before contributions are accepted for publication, they must pass a peer-review process managed by the editor-in-chief.

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Articles 10 Documents

Search results for , issue "Vol 12, No 1 (2016): Omni-Akuatika May" : 10 Documents clear

Vibriosis in aquaculture Romi Novriadi
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Current growth in aquaculture production is parallel with the increasing number of diseases outbreaks and can affect the production, profitability and sustainability of the industry worldwide. Among the groups of pathogenic microorganisms, vibriosis is the well-known cause of severe economic losses and responsible for (massive) mortality of cultured shrimp, fish and shellfish. Antibiotics and chemicals have been applied in farms for traditional treatment and prevention of Vibriosis. However, the frequent use of chemotherapeutic agents has allowed for the development of drug-resistant strainsand has led to allergy and toxicity in humans. Therefore, the use of prophylactic approaches to stimulate and enhance the immune responses becomes urgent. In this short review, the application of immunostimulant, vaccine, probiotics and quorum quenching molecules to inhibit the communication of Vibrio spp were presented. Key words: Vibriosis, Aquaculture, Antibiotics, Prophylactic, Virulence, Immune response

Valuasi Ekonomi Hutan Mangrove di Pulau Untung Jawa Kepulauan Seribu : Studi Konservasi Berbasis Green Economy Dandy E Prasetiyo; Firman Zulfikar; Shinta Shinta
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Promoting forest as one of green economy asset in Indonesia become an important agenda in the process of development. Forests have an important role as a source of foreign exchange and also as a form of natural resource wealth. The era of globalization with the accelerated economic growth increases the need for both, the fields of agriculture, infrastructure, land requirements and other sectors. Increased human needs are giving a positive correlation to the increased pressure on forests. Mangrove forests as one of the most productive ecosystems in the world are also experiencing the same threat. The expansion of settlements and ponds in coastal areas lead to degradation of mangrove forests is very high. The economic value of mangrove forests of diverse functions such as shoreline protection, habitat for aquatic organisms, carbon storage, and a variety of other functions has not been a lot of concern to the public and policy makers. This study aimed to quantify the economic value of mangrove forests in Untung Jawa Island, Thousand Islands as an effort to support the government's program to realize the green economy in the forestry sector. Method of economic calculation mangrove forests in this research is to calculate the Total Economic Value / Total Economic Valuation (TEV), which consists of direct use values (Direct Use Value) and indirect use values (Indirect Use Value). The results showed that the direct use value of mangrove forests in Untung Jawa Island is Rp. 395,126,912 which includes the value of timber, fruit value, and the value of the fishery, while the indirect use value is Rp. 7,500,600,000 calculated from the value of coastal protection, the value of foraging, conservation value, educational value, and recreational value. The total economic value (total economic value) of mangrove forests in Untung Jawa Island reached Rp. 7,895,726,912Keywords : mangrove, green economy, total economic valuation

Segara Anakan Lagoon (SAL): Fish Biodiversity and the Ecological Role Setijanto Setijanto; Siti Rukayah
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Two life stages of fish were sampled to examine the fish biodiversity and the ecological role of Segara Anakan lagoon (SAL). The fish were observed in during 2004 – 2014 while the larvae were sampled twice monthly during the full moon and dark periods in daylight hours only over 11 month periods (Novembre 2005 to Septembre 2006) at 10 sites located at SAL, Cilacap. Each trip two samples of the high tide and low ebb periods were taken from each station. The mature fish were sampled at Klaces and Karanganyar. The fish were also collected from fisherman. At least 90 genera of 48 family (65 mature fish and 64 larvae) were recorded at SAL. Gobbidae (range between 67.3 – 72.9 %) and Engraullidae (16.7 – 19.3 %) are the two most abundant larvae captured. Of the fish, at least 40 genera belongs to 16 families are of resident species that inhabit SAL for whole their life cycles. In other hand, 50 genera belongs to 31 families use SAL as temporary habitat (migratory). This finding suggests the important ecological role of SAL for fish.Keywords : segara anakan lagoon, biodiversity, ekological role

Uji Toksisitas Letal dan Subletal Logam Berat Merkuri (Hg) Terhadap Ikan Nilem (Osteochilus hasselti) Norman Arie Prayogo; Atik Hidayati; Asrul Sahri Siregar; Yunasfi Yunasfi
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Mercury (Hg) is a heavy metal could pollute the river. Hg impacts on aquatic organism chronically. The influence of chemical toxic on aquatic organisms could be determined using toxicity (lethal and sublethal) tests. Osteochilus hasselti could be an object for toxicity test. A research, aiming to find LC50-96h concentration, was to find letal and subletal effects of Hg on erythrocyte and hematocryte changes. An experimental method applied Completely Randomized Design. The research was devided into 3 stages, i.e. preliminary, lethal toxicity (LC50-96h) and sublethal toxicity tests, in triplicates. Sampling of sublethal test was performed after an exposure time of 96 h (4 days) and 288 h (12 days). Lethal toxicity test data were analyzed as probit and data from sublethal toxicity test were F-tested. The result showed that LC50-96h of Hg on Osteochilus hasselti was 0.39 mg/L. The sublethal effect of Hg decreased erythrocyte ad hematocryte counts in parallel with increasing its concentration and its exposure time.Keywords: Hg, toxicity, LC50-96 hours, erythrocytes, hematocrits.

Struktur Komunitas Karang Berdasarkan Karakteristik Perairan di Taman Wisata Perairan (TWP) Kepulauan Anambas Ade Tyas T Puspitasari; Amron Amron; Syawaludin Alisyahbana
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Taman Wisata Perairan Kepulauan Anambas merupakan salah satu Kawasan Konservasi Laut (KKL) di Indonesia yang ditujukan untuk mewujudkan pengelolaan sumberdaya kelautan yang berkelanjutan, khususnya terumbu karang. Tujuan dari penelitian ini adalah mengetahui struktur komunitas terumbu karang, kondisi kualitas air ekosistem terumbu karang dan hubungan kualitas air terhadap struktur komunitas terumbu karang pada Taman Wisata Perairan Kepulauan Anambas. Data struktur komunitas karang diperoleh dengan menggunakan metode Line Intercept Transect, dan dianalisis menggunakan indeks ekologi dan analisis regresi linier berganda. Hasil penelitian menunjukkan bahwa persentase tutupan karang, indeks mortalitas, indeks keragaman dan indeks keseragaman secara berurutan tergolong dalam kriteria sedang, tinggi, sedang dan tinggi. Kondisi kualitas perairan secara keseluruhan ada pada kisaran optimum bagi habitat terumbu karang. Salinitas perairan memiliki dampak yang signifikan terhadap indeks mortalitas, sedangkan oksigen terlarut (DO) dengan mortalitas karang dan oksigen terlarut (DO) mempengaruhi indeks keragaman dari terumbu karang.Kata kunci: terumbu karang, taman wisata perairan

Identifikasi Penjalaran Gelombang Panjang Samudera Hindia Ke Selat Lombok Berdasarkan Komponen Harmonik Arus Yogo Pratomo; Widodo Setiyo Pranowo; Hendrawan Setiadi
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

The Lombok Strait is one area passing by seawater mass from Pacific Ocean to Indian Ocean, well known as Indonesia Through Flow (ARLINDO). It was profen by the existane of long periode harmonic current component affected by the sun (SA, SSA ) , and an influence by moon (MSF). The harmonic current speed has an average of 0.370668 m/s in the depths of 100 meters during January 9, 2004 until 14 June 2005 (1.5 years). Time series data ocean current of INSTANT project (2004-2005) is used in this research, analized by using toolbox module of t-tide 1.3 beta. The current rose at 350 meters deep and 450 meters deep shous pattern of the a unique ocean current, which mastly toward to north and northeast (55 %) with velocity at 0.2-1.0 m/s. The current is coming from Indian Ocean which proven by the existence of components like M4, MS4, MSF, O1. There is also ocean current toward to south and southwest as (45 %) with speed of 0.11-0.9 m/s. Thie ocean current which coming from Indian Ocean is indication of propagation of long wave penetration to Lombok Strait. During its propagation passing the sill, the wave become an internal wave in Lombok Strait.Keywords: internal wave, indian ocean, lombok strait, harmonic currents component, INSTANT 2004-2005

Analisa Spasial Luas Tutupan Lamun di Pulau Tunda Serang, Banten Nunung Noer Aziizah; Vincentius Paulus Siregar; Syamsul Bahri Agus
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Mass Mortality of Fish in Lampung Bay, Indonesia Tumpak Sidabutar
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

The surface waters in Lampung Bay appeared with dark reddish brown color from the beginning of October until November 2012 due to a bloom, an explosion in the phytoplankton population. This event resulted in the mass mortality of fishes that are cultured in floating nets there. Other smaller and less frequent blooms occurred in the bay the next year. This algal bloom was caused by the dinoflagellate species Cochlodinium polykrikoides. This was thought to be the first bloom of Coclodinium in these waters, or any in Indonesian waters. The highest abundance of Cochlodinium during the incident reached to 3.07 x 107 cells.l-1. Mass fish mortality in the floating nets was due to oxygen depletion, mainly during the night time. The clogging of their gills by dense phytoplankton cells was assumed to be the cause. The population explosion of Cochlodinium was triggered by a high ratio of nitrate and phosphate concentration in the waters. The nutrient ratios of N/P in the water were high, indicating nitrate as a triggering factor and phosphate as a limiting factor.Keywords: algal bloom, Cochlodinium, discoloration, fish mortalities, Lampung Bay

Marine Bacteria from Eastern Indonesia Waters and Their Potential Use in Biotechnology Yosmina H Tapilatu
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Indonesian vast marine waters, which constitute 81% of the country’s total area, have a great potential in terms of marine bacteria biodiversity. However, marine bacteria are still under-explored in Indonesia, especially in its eastern area. Known as one of the biodiversity hotspots worldwide, this area surely harbors various marine bacteria of particular interest. Despite the growing number of oceanic expeditions carried out in this area, only little attention has been attributed to marine bacteria. Limited literatures exist on the isolation of marine bacteria producing compounds with potential biotechnological applications from the aforementioned waters. There are two main causes of this problem, namely lack of infrastructures and limited competent human resources. In this paper, I will highlight the preliminary results of isolation and bioprospecting attempts on this group of bacteria during the last fifteen years. These results indicate that research activities on marine bacteria in this area need to be intensified, to uncover their potential applications in various biotechnological fields.Keywords: marine bacteria, eastern Indonesian waters, biotechnological application

Penguatan Modal Sosial Sebagai Upaya Pengembangan Ekonomi dan Kapasitas Rumah Tangga Nelayan Berkelanjutan di Desa Pangandaran Dandy E Prasetiyo; Firman Zulfikar; Siti Aisyah Ningrum
Journal Omni-Akuatika Vol 12, No 1 (2016): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

This research was conducted Pangandaran District, Pangandaran Regency. The purpose of this study was to analyze the existing social conditions and to performe system analyze of social capital to be used as a strategy to improve the economy and the capacity of households of fishermen. The data was collected through the secondary data obtained from goverment offices and primary data was generated from interviews with fishermen household, village governments, and institutions or social organizations associated with fishing. The research instrument used is Social Capital Assessment Tool (SOCAT). Data were analyzed using descriptive qualitative method. Social capital research was assessed based on the profession similarity. The results showed that social capital was presumably beneficial for fishermen households by boosting the economy level and welfare as well as their capacity building. Institutions or social organizations in the village of Pangandaran namely Business Group (KUB), the Regional Commissioner (Komda), Rukun Fisherman (RN), the Fishermen Association of Indonesia (HNSI), and the Village Unit Cooperatives (KUD). Institutions or institutional activity may stimulate the further development and productivity of the coastal community. As most of the coastal communities depend on the limited marine resources, social capital strengthening can be a promising approach for expansion and development of existing networks. The strategy can be applied was the involvement of other family members to participate on any form of institutional bodies dedicated for coastal community.Keywords : social capital, coastal, fishermen households

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Contact Name
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Kampus Perikanan dan Ilmu Kelautan Universitas Jenderal Soedirman Jl. Dr. Soeparno, Karang Wangkal, Purwokerto 53122

Location
Kab. banyumas,

Jawa tengah

INDONESIA