Omni-Akuatika
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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<![CDATA[Growth Performance of Mono Sex and Mixed Sex Climbing Perch (Anabas testudineus) ]]>
<![CDATA[Helmizuryani Helmizuryani]]>;
<![CDATA[Boby Muslimin]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.105
<![CDATA[Many factors influence fish growth like rearing by sex. This study aims to determine the growth of theClimbing perch of the different sexes. This research was conducted at hatchery business unit at MulyaPlaju, from May to July 2015. Fry spawning fish came from the wet Laboratory Faculty of Agriculture,University of Muhammadiyah Palembang. They were maintained separately between the male and thefemale and the gender-mix between male and female, reared in nets with a density of 30 individualseach net; each treatment was repeated three times. During the research, fry feed used artificial feedwith 30% protein compotition. The results showed that there was growth of female was faster than ofmale and of mixed sex. The growth of fish was 1,40 cm and weight of 4.56 gr, while survival rate ofthem was 100%. Keywords : growth, Anabas testudineus, mixed sex, mono sex]]>
<![CDATA[Profil Oseanografi Biologi Laut Banda: Sebuah Tinjauan Kritis ]]>
<![CDATA[Yosmina H Tapilatu]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.100
<![CDATA[Informasi mengenai keragaan oseanografi biologi di Laut Banda sangat penting dalam rangka menunjangpembangunan kelautan dan perikanan di perairan yang kaya dengan sumber daya alam ini, baik hayatimaupun nir hayati. Makalah ini menyajikan tinjauan mengenai kajian oseanografi biologi Laut Bandasejak tahun 1970-an sampai dengan 2013, sebagai upaya untuk mengungkap karakteristik perairan ini,beserta perspektif penggunaannya dalam mendukung pembangunan kelautan dan perikanan di LautBanda yang beriorientasi kepada pemanfaatan yang berkesinambungan. Keywords: oseanografi biologi, perikanan, kelautan, Laut Banda]]>
<![CDATA[Bioekologi Fitoplankton di Laguna Gampong Pulot (LGP) Kabupaten Aceh Besar ]]>
<![CDATA[Syahrul Purnawan]]>;
<![CDATA[Irma Dewiyanti]]>;
<![CDATA[Teuku M. Marman]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.106
<![CDATA[The objective of the present study was to determine the diversity of phytoplankton and itsrelationship with physical-chemical water parameters of Gampong Pulot Lagoon, Leupungsubdistrict, Aceh Besar. The collecting of phytoplankton and water quality were conducted inDecember 2014. According to field assessment, there were six stations to represent the study site.We recorded 25 species of phytoplankton from class Bacillariophyceae, Dinophyceae andCyanophyceae. The abundance of Bacillariophyceae was 1202.02 ind / L classified as moderate,while Dinophyceae and Cyanophyceae were 621.13 ind / L and 208.49 ind / L, respectively,classified as low abundance. Bacillariophyceae was dominated by Rhizosolenia sp. with 26% ofcomposition. The diversity index has varied from 1,88 to 2,63 indicated as moderate value. Basedon Principal Component Analysis (PCA) showed that the physical-chemical water parameters relatedto the abundance of phytoplankton in Gampong Pulot Lagoon.Keywords: phytoplankton, lagoon, diversity, leupung]]>
<![CDATA[Nike (Awaous melanocephalus) Fishery and Mercury Contamination in the Estuary of BoneBolango River ]]>
<![CDATA[Aziz Salam]]>;
<![CDATA[Femy M Sahami]]>;
<![CDATA[Citra Panigoro]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.121
<![CDATA[Nike fish (Awaous melanocephalus) is a tiny-kind of fish harvested lunar-monthly in the estuary of BoneBolangoRiver in the City of Gorontalo. The fishing activity is showing steady increase recently as thecommodity finds its way to the international market. Fishermen are putting more efforts by escalating thecatching capacity of their gears. Meanwhile, mercury used by the artisanal and small-scale gold mining(ASGM) in the headwaters for amalgamation put another aspect to the A. melanocephalus fishery whenit wasted into the river down to the estuary. This paper describes A. melanocephalus fishery and thethreat of mercury contamination in the habitat and the fish itself. Field research was conducted in theestuary of Bone-Bolango River to observe the technology and methods of A. melanocephalus fishing.Samples of water and fish were taken for mercury content examination with Atomic AbsorptionSpectrophotometer (AAS). Secondary data on production and distribution were obtained fromgovernment offices. The result showed that the water and A. melanocephalus samples contain mercuryat levels exceeding the quality standards determined by government. Keywords: nike, mercury, food security, sustainable fishery]]>
<![CDATA[Distribusi Ukuran Spasial-Temporal dan Berdasarkan Tingkat Kematangan Gonad Rajungan (Portunus pelagicus Linnaeus 1758) di Teluk Lasongko, Buton Tengah, Sulawesi Tenggara ]]>
<![CDATA[Abdul Hamid]]>;
<![CDATA[Yusli Wardiatno]]>;
<![CDATA[Djamar T.F. Lumban Batu]]>;
<![CDATA[Etty Riani]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.101
<![CDATA[The aim of the study was to reveal spatial-temporal distribution of the blue swimming crab(Portunus pelagicus Linnaeus 1758) in terms of size and gonad maturity stage of both male andfemale. Sampling of crab was conducted with a gill net from April 2013 until March 2014 inLasongko Bay. Of the whole population the mean size of male was smaller than that of females.Spatially smaller crabs (juveniles and young ones) inhabited mostly inner side of the bay, whilemedium size crabs occurred in the middle part of the bay. Big crabs were mostly found in theouter side of the bay. In terms of time, big sise of male and female crabs were collected inperiod of October to November and September to March, respectively. Small size of male andfemale occurred in February to September and in April, respectively. Related to gonad maturity,the sizes of both sexes with mature stages were variable. Ovigerous female (OF) was presencewidely in the bay, but the size of ovigerous females living in the shallow part of the bay wassmaller than those living in the deeper part. Keywords: blue swimming crab, size distribution, carapace width, spatial-temporal, gonadmaturity ]]>
<![CDATA[Profil Suhu, Oksigen Terlarut, dan pH Secara Vertikal Selama 24 Jam di Danau Kelapa Gading Kabupaten Asahan Sumatera Utara ]]>
<![CDATA[Eva Lia Risky Sinaga]]>;
<![CDATA[Ahmad Muhtadi]]>;
<![CDATA[Darma Bakti]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.107
<![CDATA[Lake Kelapa Gading is an artificial lake located in Asahan district of North Sumatra province. Thepurpose of this study was to determine: 1) description of conditions of temperature, dissolved oxygenand pH vertically in the water for 24 hours, 2) production and consumption of oxygen in the waters ofLake Kelapa Gading. The study was conducted in March-April 2016 with preliminary and mainresearch activities. There are three observation stations are stations 1 (near KJA), station 2 (the areanear the settlement) and station 3 (outlet). The measured temperature ranges from 30-35 ºC.dissolved oxygen highest in the surface waters of 5.12 mg / l during the afternoon and the lowestoccurred at a depth of compensation of 0.64 mg / l when the weather is rainy. The measured pHvalue ranging between 6-9. In general there is a decrease in temperature, dissolved oxygen, and pHwith increasing depth. The highest percent saturation of 71.30 % in the surface waters. Comparisonbetween photosynthesis to respiration indicates that there has been a deficit in respiration is greaterthan the value of photosynthesis. dissolved oxygen concentration has reached a deficit at a depth of36.5 cm to reach at night. Keywords: dissolved oxygen, lake, pH, saturation, temperature.]]>
<![CDATA[The Influence of Ketapang (Terminalia catappa) Bark Extract on Survival Rate and Histopathology of Common Carp (Cyprinus carpio) Liver Which is Infected by Aeromonas hydrophilia ]]>
<![CDATA[Maftuch Maftuch]]>;
<![CDATA[Gede Angga Krishna Fariestha]]>;
<![CDATA[Heny Suprastyani]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.94
<![CDATA[This research aims to investigate the influence of Ketapang (Terminalia catappa) bark extract (KBE) on the survival rate and liver histopathology of Common carp (Cyprinus carpio) which was Infected by Aeromonas hydrophilia. Experimental design with Completely Randomized Design (CRD). Obtained data were analyzed by using Analysis of Varian (ANOVA) and further Least Significant Differed (LSD) analysis. The main parameters in this research are the damage level of Common carp liver based on scoring value and survival rates. Based on the result from scoring data, it was shown that there is altered-histology on Common carp fish liver. The damages found were congestion, melanomacrofag, and necrosis. In average, treatment A (730 ppm) had the highest damage average while treatment C (770 ppm) had the lowest damage average value. The final result shows that the bigger the dose, the lower the damage. In contrast, the survival rates would decrease with the higher dose of KBE. It can be concluded that KBE able to reduce the liver alteration however in some extend it will cause the mortality.Keywords : common carp, histopathology, ketapang, liver, survival rate.]]>
<![CDATA[Model Dinamik Pengelolaan Jasa Ekosistem Waduk Koto Panjang Kabupaten Kampar Riau ]]>
<![CDATA[Trisla Warningsih]]>;
<![CDATA[D Djoko Setiyanto]]>;
<![CDATA[Achmad Fahrudin]]>;
<![CDATA[Luky Adrianto]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.103
<![CDATA[The study aims to establish the management model of ecosystem services Koto Panjang Reservoir.The approach used in this modeling is the Dynamic Modelling. The results showed the value ofprediction error of the simulation results based on the data used was in the range 0.4 % - 4.64 %. Thesimulation results show the value of economic growth in 2020 will reach its peak value Rp.3,3 billion.The economic value of the total economic value of the four main activities of the utilization ofecosystem services Koto Panjang Reservoir namely; KJA cultivation of Rp.1,1 billion, tourism Rp.1,6billion, fishing by paddle for 60 million, fishing by fishing boat engine at Rp.489 million. Modelscenarios developed by increasing the KJA growth of 30% and 100% for tourism, managed toincrease the total economic value of Rp.5,08 billion from previously around Rp.3,3 billion or anincrease of approximately 53.95%. The increase in the economic value derived from an increase inthe economic value of Rp.1,56 billion KJA activities and improvement of the economic value oftourism activities Rp 2,9 billion. Keywords: ecosystem services, reservoirs, total economic value, dynamic modelling]]>
<![CDATA[The Sea Urchin (Echinoidea) from Panjang Island Water, Bangka Belitung Province ]]>
<![CDATA[Siti Aisyah Lubis]]>;
<![CDATA[Rofiza Yolanda]]>;
<![CDATA[Arief Anthonius Purnama]]>;
<![CDATA[Ria Karno]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.111
<![CDATA[This study has been conducted from May to July 2016 in Panjang island, Bangka Tengah District,Bangka Belitung Province. The aims of this study was to evaluate the species of sea urchins by usingsurvey method at four sites. Sampling was done by using a square transect of 50 x 50 m. A total of868 individuals of sea urchin belonging to 2 species were recorded in this study, namely Diademasetosum and Echinothrix calamaris. D. setosum was the most abundant in individual number (828individuals) meanwhile E. calamaris only 40 individuals.Keywords: Diadema setosum, Echi nothrix calamaris, reef flat]]>
<![CDATA[Bathymetry and Hydrodynamics in Pare Bay Waters During Transitional Seasons (SeptemberOctober) ]]>
<![CDATA[Ulung Jantama Wisha]]>;
<![CDATA[Aida Heriati]]>
<![CDATA[ Journal Omni-Akuatika Vol 12, No 2 (2016): Omni-Akuatika November ]]>
Publisher : <![CDATA[Fisheries and Marine Science Faculty - Jenderal Soedirman University ]]>
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DOI: 10.20884/1.oa.2016.12.2.98
<![CDATA[Sedimentation on Pare bay and Karajae estuary originated from the run off of Karajae River. Highsedimentation process leads to the adverse effect of abiotic environmental changes. The aim of thisresearch is to analyse bathymetry condition and hydrodynamic characteristics of the area inunderstanding sediment distribution on Pare Bay. Corrected bathymetric data by tide data isprocessed using Surfer software 9.0 versions to analyse Pare Bay contour in 2D and 3D, the resultshow depth ranges from 0 to 20 meters. Flow model module by MIKE 21 software was used inhydrodynamic simulation (MRSE 11.44%) and shows that current condition in Pare Bay wasdominated by tidal (within its speed up to 0.43 ms-1), surface currents speed is higher and morerandom than the speed in water column and near bottom. Due to its location, Pare Bay is directlyinfluenced by Indonesian Through flow which has strong currents flow and cause mixing andturbulence along its way, this condition influences Pare Bay condition, especially in the process ofsedimentation and turbulence. Keywords: bathymetry, currents, hydrodynamics, sedimentation, pare bay]]>
