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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 290 Documents

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Dominant Water Quality Variables Affecting Plankton Abundance in Traditional Brackish Water Ponds of Tiger Shrimp (penaeus monodon fabr.) in Pasuruan Regency, East Java Province Erfan Andi Hendrajat; Andi Sahrijanna
Journal Omni-Akuatika Vol 14, No 1 (2018): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

ABSTRACTIn applying traditional brackish water pond aquaculture of tiger shrimp (Penaeus monodon), plankton is one of water micro organisms that plays an important role as natural food and stability indicator of water or aquatic environment in which life and growth of aquatic organisms depend on water quality variables, both physical and chemical properties. This research objective was to find out the effects of dominant water variables on plankton abundance in brackish-water pond. The research was conducted in traditional brackish water ponds of tiger shrimp in Pasuruan Regency, East Java Province. The research was conducted through direct measurements in the field and also collection of plankton and water samples. Those were then analyzed in the laboratory. Better change to analysis used in this study was regression model analysis was based on the smallest square method. Dependent variables was plankton abundance and independent variables were the water quality variables such as temperature, dissolved oxygen, salinity, pH, total suspended solid (TSS), nitrite, nitrate, ammonia, phosphate, iron (Fe), and total organic matter (TOM). The result showed that range of plankton abundance was 20.0-6,360 individuals/L with average 401.3 individuals/L. There was a significant relationship between plankton abundance and TSS which negatively affected plankton abundance as much as 0.52 or 52%. Based on index values of average dominance, variety, and uniformity, the brackish water pond water or aquatic area in this study was categorized as moderately stable, where plankton genera were well distributed and there was no genus dominating other genus.

Analysis of Morphometric Character of Chromis Fish in Indonesia and Korea Lee, Jae Won; Mustaruddin, Mustaruddin; Murdiyanto, Bambang; Wahju, Ronny Irawan; Koo, Kim Jin
Journal Omni-Akuatika Vol 14, No 1 (2018): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

There are more than 350 species of Chromis fish in the world. Its distribution covers tropical and subtropical water areas. Spesific geographical conditions determine fish development.Â This study aims to analyze morphometric meristik, and the differences between chromis fish characters in Indonesia and Korea waters. The research methods were consisted of descriptive methods, Kruskal-Wallis, and Mann Whitney test.The result showed the total length of Abudefduf sexfasciatus found in Palabuhan ratu and Pramuka Island water territories are ranged from 9.9 to 10.2 cm and 7.7 to 13.0 cm.This fish has a dorsal fin, caudal fin which consists of 12-17 weak fingers, and ventral fin consists of 1 hard finger and 4-6 weak fingers. Abudefduf vaigiensisâ€™ found in Palabuhan ratu, Buton Island, Sorong, and Korea water has each ranging total length from 6.0 to 10.6 cm, 10.9 -12.3 cm, 11 cm, and 5.0 to 8.6 cm.The differences are in the caudal and ventral fin. Morphometric characters of Abudefduf sexfasciatus found in Palabuhan ratu and Pramuka Island water territories relatively similar. Morphometric characters of Abudefduf vaigiensis found in Korean waters was not significantly different with Palabuhan ratu, Buton Island, and Sorong water territories. Compared with the other two locations, Abudefduf vaigiensis found the island of Buton water territory has closely related family with the Korean waterâ€™s

Chlorophyll-a Distribution and Its Relation with Current Pattern in Northern Waters of Central Java Bella Shabrina; Lilik Maslukah; Sri Yulina
Journal Omni-Akuatika Vol 14, No 1 (2018): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Water fertility will determine the ammount of aquatic biotas (especially fish) that can live in the area. The high concentration of chlorophyll-a will show that water productivity in the area is high and fertile. The availability of chlorophyll-a in the waters is affected by oceanographic condition. One of them is the current pattern. The purpose of this study is to determine the distribution of chlorophyll-a spatially and temporally and its relation with current patterns in the northern waters of Central Java. The data that used in this research includes: chlorophyll-a data that obtained from level III Aqua MODIS imagery, current model data was obtained from MyOcean.eu, rainfall data, and sea surface temperature data that also obtained from Aqua MODIS satellite imagery. Sampling was done by purpossive sampling method. Distribution of chlorophyll-a that happened in Norrthern Waters of Central Java fluctuates every month. The largest concentration of chlorophyll-a was located close to the coastal area. The largest concentration of chlorophyll-a happened in June 2015 and 2016. Current pattern that happened in 2015 – 2016 changed every month and it was affecting the distribution of chlorophyll-a. However, the distribution of chlorophyll-a was not fully affected by the current pattern. There were several other factors such as river runoff and intensity of sunlight that could affect the chlorophyll-a distribution. Keywords : Chlorophyll-a, Phytoplankton, Current, Wind, Moonsoon

Distribution and Habitat Karakteristics of Shrimp Juvenile in Segara Anakan Lagoon Sri Endah Purnamaningtyas; Didik Wahju Hendro Tjahjo
Journal Omni-Akuatika Vol 14, No 1 (2018): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Shrimp is a wealth of fishery resources are abundant and has a high economic value in Laguna Segara lagoon. So the existence and habitat of life from larvae to adult need attention to maintain the survival of shrimp. Therefore, the purpose of this research is to know the distribution of abundance and characteristics of shrimp juvenile habitat in Segara Anakan lagoon. Sampling is done 3 times (June, August and October 2013), with 9 stations Observation station. The results showed that the abundance of shrimp based on the amount in Segara Anakan lagoon was dominated by Metapenaeus elegans (205-8723 ind./1000 m2), whereas the abundance of M. ensis, F merguensis, P. semisulcatus and P. monodon relatively low had the same habitat , ie waters with high fertility and relatively low salinity, relatively high pH. Found in Motean observation station, Muara Dua, Kleces and Majingklak. Harpiosquilla annandalei (0-330 ind/1000 m2), P. monodon (0-238 ind/1000 m2), and Acetes sp (0.1-5.196 ind/1000 m2) sounded a lot of water habitat that contain BOT and high zooplankton abundance. Thus the shrimp Harpiosquilla annandalei, P. monodon, and Acetes sp are found in Tritih observation stations, and are quite commonly found in Kleces observation stations. Keywords: abundance, habitat preferences, juvenile shrimp, Segara Anakan Lagoon

The Osmotic Response and Hydromineral Status of Transported Anguilla bicolor bicolor Glass Eels with Various Ratios of Biomass and Water Volume Ferdinand Hukama Taqwa; Eddy Supriyono; Tatag Budiardi; Mia Setiawati; Bambang Priyo Utomo; Ridwan Affandi
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

This research was conducted to determine the closed transportation system with biomass and water volume ratio that can support the osmoregulation ability of glass eel significantly. Glass eel was obtained from catching activities in the Cimandiri River, Pelabuhan Ratu (mean length 52.40+0.84 mm and weight 0.10+0.01 g) and acclimatized for 24 hours at salinity 6 mg L-1 and temperature 20°C gradually.The research design was a completely randomized design. The applied treatment was glass eel closed transportation system with various ratio of glass eel biomass (kg): water volume (L), i.e. 1:11; 1:12; 1:13; and 1:14 during 24 hours of land transportation and continued with a 3-day recovery period.The water was used refer to the above acclimatization method, with ratio the water part of pure oxygen in a plastic bag was 1:3. The measured parameters include survival rate, osmotic gradient, body hydromineral, and water quality in transport packaging and recovery medium. Survival rates were generated in the high range until recovery period (P<0.05), but the transportation method caused differences significantly (P<0.05) in osmotic response and hydromineral status (sodium, chloride, potassium, and water content), so that it will affect production performance in the next stage of culture. Ratio of glass eel biomass: water volume of 1:13 has been able to support the ability of osmoregulation glass eel to maintain homeostatic condition during the transportation until 3 days of recovery period. There was no drastic decline in physical and chemical value of water in the transport bag so it could reduce the mortality rate for 24 hours.

Phytoremediation of Eel (Anguilla bicolor bicolor) rearing wastewater using amazon sword (Echinodorus amazonicus ) and water jasmine (Echinodorus palaefolius) Hany Handajani; Widanarni Widanarni; Tatag Budiardi; Mia Setiawati; Sujono Sujono
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Management of aquaculture wastewater is still the major problems in fisheries, especially in intensive systems. Intensively aquaculture activities often increase organic matter and nutrients (N and P) in the water. The study was conducted to evaluate the phytoremediator performance of Echinodorus amazonicus and Echinodorus palaefolius in removing inorganic nitrogen and orthophosphate from aquaculture wastewater with the recirculation system. This study used a completely randomized design with three treatments and 3 replications. The treatments of this study were P1: E. amazonicus, P2: E. palaefolius and P3: control (without aquatic plants). The tested fish were elvers which average weight 6.98 ± 0.19 g, and fish density was 4 gL-1. Elvers reared in an aquarium that containing 48 L in a recirculation system. The paste feed which protein level of 45.25% was given at satiation 3 times/day. Elvers reared for 60 days. The results showed that E. palaefolius significantly reduced concentrations of total ammonia nitrogen (TAN), nitrite (NO2), nitrate (NO3) and orthophosphate (PO4) with an efficiency of 27.10 ± 2.42%; 45.03 ± 9.77%; 20.94 ± 1.29% and 14.19 ± 3.05%, respectively higher than E. amazonicus and control. The best result of elver’s performance (SGR and FCR) was in treatment P2 (E. palaefolius), i.e. 1.19 ± 0.18% and 1.57 ± 0.30. Based on the results of this study, it can be concluded that the use of E. palaefolius as phytoremediator in eel culture with recirculation system can removed inorganic nitrogen and orthophosphate more optimal compared to other treatment.

The Biodiversity of Gastropods In Karapyak Rocky Shores, Pangandaran Region, West Java Province, Indonesia Asep Sahidin; Zahidah Zahidah; Herman Hamdani; Indah Riyantini; Roni Sewiko
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Pangandaran rocky shores have a unique ecosystem and a variant of invertebrate organisms such as mollusk from the gastropod class. This study aims to analyze the biodiversity of gastropods on the rocky shore of Karapyak beach. This research consists of 5 stations. The quadrant set by 1 m x 1 m vertically toward the sea. The result found 773 individuals scattered in nine families. The family of Neritidae dominated (43%), followed by family cyprinoids with 6.3%. Nerita plicata is a species found to dominate in every station with an average abundance (256 ± 10) and/m2. Using the Bray-Curtis cluster analysis, showed variations in the distribution and abundance of different gastropods vertically into the ocean and uniformly distributed horizontally to the shore. Substrate and tidal are the main variables in the spatial distribution of gastropods in the Karapyak beach.

Bioremediation of Indigosol Blue 04B Batik Effluent by Indigenous Fungal Isolates, Aspergillus spp. Ratna Stia Dewi; Rina Sri Kasiamdari; Erni Martani; Yekti Asih Purwestri
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Effluent from the local batik home industry is a serious problem, because the effluent discharge generated is spread in different places. Untreated effluent can cause environmental pollution, such as in groundwater reservoirs,because most is discharged into rivers. The aim of this research was to evaluate the bioremediation potential of indigenous fungi in liquid culture media with Indigosol Blue 04B (IB) batik effluent. The fungi isolates tested were Aspergillus sp. 1, Aspergillus sp. 2 and Aspergillus sp. 3, isolated from dye effluent soil and batik effluent, and compared to white rot fungi (Phanerochaete chrysosporium) as a positive control. The physiochemical properties of IB batik effluent before and after fungal treatment were investigated. All of these parameters before the fungal treatment were above the recommended standard values based on the Governor regulation of Yogyakarta Special Region No. 7/2010. The level of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS), total suspended solids (TSS), and electrical conductance (EC) was reduce by Aspergillus spp. The highest percentage reduction was achieved by Aspergillus sp. 3, namely 88.34% BOD, 89.11% COD, 75.77% TSS, 85.85% TDS and 71.21% EC, after 3 days of incubation. These results show that the positive control isolate had the lowest value. The study confirms the ability of indigenous fungi isolates in the remediation of IB batik effluent and their potential for future analysis in the treatment of all types of batik effluent.

Heat Shock and Its Consequences on Early Life Performance of Stripped Catfis (Pangasianodon hypophthalmus) Prama Hartami; Odang Carman; Muhammad Zairin; Alimuddin Alimuddin
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Researchers have widely applied heat shock on zygote stadia of domesticated aquatic animals especially for the purpose of ploidy manipulation in fish to accelerate growth, intermediate products for the production of infertile seeds, providing prospective brood stock as well as the monosex population. This is certainly an interesting study to see how far the impact of heat shock on the early development stages. This experiment used a 42 0C heat shock for 2.5 minutes on the zygote at different initial time i.e. 28.5; 29; 29.5; 30 and 30.5 minutes after fertilization. All treated larvae and control were reared in a 25 liters plastic container at density of 5 larvae per liter. The results showed that high percentage of fertilization rate were 92.61 % to 96.32 % and hatching rate was 85.33 % without any abnormalities were achieved in the control. While in all treatments had a very low hatching rate of 4.12 % to 8.93 % with relatively high abnormalities of 12.36 % to 27.60 % and a significant differences (P<0.05) compared to controls, but survival rate, specific growth rate and feed conversion ratio after 30 days rearing period showed no significant difference (P>0,05). In terms of seed production, the heat shock treatment will limit 78 % to 82 % of larvae production.

Effect of Variant Manure on Generation Time in Daphnia sp. Herman Hamdani; Asep Sahidin; Taufiq Hidayat
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

The research about generation times of Daphnia sp. was carried out on Mei – June 2017 in Biology Laboratory, FPIK UNPAD. The objective of this research was to analyse the generation time of Daphnia sp. in different manure. The research used experimental method Randomized Completely Block Design (RCBD) with four treatment and three replication. The variant of manure as treatment were chicken manure (A), quail manure (B), cow manure (C), and goat manure (D). The weight for each manure media as many as 2,4 g/l in 1 litre of glass media. The best performance of life table distribution showed from the cow manure, but quail manure treatment give the best of all biological factor, it mean that Daphnias were cultured with quail manure have good performance in biological parameter.

Page 11 of 29 | Total Record : 290

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Kab. banyumas,

Jawa tengah

INDONESIA