scholarly journals Water Quality and Planktological Approach to Monitor Eutrophication by Cage Culture of Red Tilapia (Oreochromis sp) at the Sermo Reservoir, Yogyakarta, Indonesia

2002 ◽  
Vol 15 (2) ◽  
Author(s):  
RUSTADI RUSTADI ◽  
R. KUWABARA ◽  
H.N. KAMISO
Keyword(s):  
Water Quality ◽  
Cage Culture ◽  
Red Tilapia

scholarly journals Pengaruh Aerasi Injeksi Udara terhadap Beberapa Parameter Kualitas Air di Lokasi Budidaya Ikan Waduk Ir. H. Djuanda

Omni-Akuatika ◽  
2016 ◽  
Vol 12 (3) ◽  
Author(s):  
Lismining Pujiyani Astuti ◽  
Niken TM Pratiwi
Keyword(s):  
Water Quality ◽  
Organic Matter ◽  
Organic Materials ◽  
Fish Farming ◽  
Observation Point ◽  
Organic Matter Decomposition ◽  
Air Injection ◽  
Cage Culture ◽  
Perforated Pipe

Waste of fish farming in floating net are fish feces, urine and undigested feed which is one source of organic matter inputs in Ir. H. Djuanda. Waste organic materials can cause eutrophication of waters. Air injection is one way aeration to increase oxygen to help the process of organic matter decomposition. The purpose of this study was to assess the effect of air injection on some parameters of water quality in fish farming side. This research was conducted at the location of fish farming Ir. H. Djuanda in June-September 2013. Injection of air using a compressor with a pressure of 3 atm as a source of air and perforated pipe at a depth of 3.6 m. Air injection carried out for 8 hours. Observation point vertically at a depth of 3.6 m and horizontally at a distance of -1.5 m (behind the diffuser pipe); 0 (the diffuser pipe); 1.5 m (right and left pipe); +1.5; +3 And +6 m (in front of the pipe diffuser) and a distance of 17 m of pipe which is control. After eight hours of aeration showed that the concentration of organic matter, free carbondioxide, N-NO2 tend to belower in cages aerated but N-NO3 concentration was higher in locations aeration cage than controls cageKeywords: air injection aeration, water quality, fish cage culture, Ir. H. Djuanda Reservoir

scholarly journals Water quality and bacterial populations in a tropical marine cage culture farm

1998 ◽  
Vol 29 (9) ◽  
pp. 617-624 ◽  
Author(s):  
P Arulampalam ◽  
F M Yusoff ◽  
M Shariff ◽  
A T Law ◽  
P S Srinivasa Rao
Keyword(s):  
Water Quality ◽  
Cage Culture ◽  
Bacterial Populations

scholarly journals Analisis Kandungan N-Nitrogen (Amonia, Nitrit, Nitrat) dan Fosfat di Perairan Teluk Pandan Provinsi Lampung

2019 ◽  
Vol 8 (1) ◽  
pp. 57-66
Author(s):  
Reza Iklima AS ◽  
Gusti Diansyah ◽  
Andi Agussalim ◽  
Citra Mulia
Keyword(s):  
Water Quality ◽  
Principal Component Analysis ◽  
Data Analysis ◽  
Sampling Method ◽  
Principal Component ◽  
Pearl Oyster ◽  
Water Sampling ◽  
Cage Culture ◽  
Water Sampler ◽  
Pca Method

Iklima AS et al, 2019. Analysis of N-Nitrogen (Ammonia, Nitrate, and Nitric) and Phosphate at Teluk Pandan’s water territorial, Lampung Province. JLSO 8(1):57-66.Teluk Pandan’s water territorial was known to aquaculture activity such as prawn, pearl oyster and cage culture by community that lived in the area. It activities could makes water quality to be polluted.This research was purposed to known the content of nutrient (Ammonia, Nitrate, Nitric, and Phosphate) and to studied nutrient that related to other’s water quality parametric at Teluk Pandan water territorial. Sampling was determinate by 15station using purposive sampling method. Data analysis was used to studied relation between water quality’s parametric using Principal Component Analysis (PCA). Water sampling was taken at surface using water sampler. It was analyze in Oceanography and Instrumentation Laboratory, Department of Marine Science, Universitas Sriwijaya. Result of this research showing that rate of content nutrient at Teluk Pandan’s water territory ranging from 0.0007-0.0087 mg/L NO3-N, nitric ranging from 0.0001-0.0062 mg/L NO2-N, and phosphate ranging form 0,0012 – 0,0091 mg/L PO4-P. Based on result Teluk Pandan’s water territory still can be used for water’s ecosystem. Result using PCA method showing that correlation between parametric are directly proportional and inversely. Correlation that directly proportional showing by parametric group quadrant I (Temperature, Salinity, Velocity, and Abundance of Phytoplankton), quadrant II (DO, pH and nitrate) and quadrant III (Ammonia, nitric and phosphate). Inversely showing by parametric group quadrant I to parametric group quadrant III.

scholarly journals Influence of Trout Cage Culture On Water Quality, Plankton And Benthos Anatolian Dam Lake

2001 ◽  
Author(s):  
Süleyman Bekcan ◽  
Serap Pulatsü ◽  
Mine U. Kirkagac ◽  
Nilsun Demir
Keyword(s):  
Water Quality ◽  
Cage Culture

scholarly journals SUITABILITY ANALYSIS OF FLOATING CAGE CULTURE OF GROUPER FISH USING GIS IN RINGGUNG WATERS OF LAMPUNG

2017 ◽  
Vol 9 (1) ◽  
pp. 151
Author(s):  
Indah Febry Hastari ◽  
Rahmat Kurnia ◽  
M. Mukhlis Kamal
Keyword(s):  
Water Quality ◽  
Spatial Analysis ◽  
Dissolved Oxygen ◽  
Suitability Analysis ◽  
Cage Culture

<p><em>The study aims to determine suitability of </em><em>floating cage (KJA) culture of </em><em>grouper </em><em>fish </em><em>in Ringgung waters </em><em>of </em><em>Lampung. </em><em>Data were analysed using </em><em>GIS </em><em>for </em><em>spatial analysis </em><em>at</em><em> five stations.  There were 10 </em><em>water quality </em><em>parameters measured</em><em>, such as</em><em> bathimetry, current</em><em> velocity</em><em>, water </em><em>transparency</em><em>, temperature, salinity, pH, dissolved oxygen, nitrate, ammonia, and phosp</em><em>h</em><em>ate. </em><em>Three</em><em> suitability criteria,</em><em> i.e</em><em> very suitable, suitable, and not suitable </em><em>were used to determine the suitability of floating cage culture of grouper fish</em><em>. </em><em>The results show that from</em><em> 99.168,5 ha </em><em>of the total area used for floating cage culture of grouper fish</em><em>,</em><em> about</em><em> 85,94% covering 8522,16 ha </em><em>were </em><em>classified as very suitable, 5,64% covering 559,69 ha classified as suitable, and  8,42% covering 835 ha classified </em><em>as </em><em>not suitable. </em></p><p><em>                                    </em></p><p><strong><em>Keywords :</em></strong><em> grouper culture, suitability, </em><em>R</em><em>inggung waters</em><em>, Lampung Province</em><em>, GIS</em></p>

PERTUMBUHAN, SINTASAN DAN PRODUKSI IKAN NILA MERAH (Oreochromis niloticus) YANG DIBERI KOMBINASI PAKAN KOMERSIL DAN AMPAS TAHU HASIL FERMENTASI

2018 ◽  
Vol 17 (3) ◽  
Author(s):  
Hidayat Suryanto Suwoyo ◽  
Sri Redjeki Hesti Mulyaningrum ◽  
Rachman Syah
Keyword(s):  
Water Quality ◽  
Survival Rate ◽  
Oreochromis Niloticus ◽  
Stocking Density ◽  
Pond Water ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Feed Conversion ◽  
Red Tilapia ◽  
Commercial Feed

The study aimed to evaluate the combination between commercial feed and fermented tofu waste feeding for growth, survival rate and production of red Tilapia Oreochromis niloticus in pond. The study was conducted in Experimental Pond Installation of Research Institute for Coastal Aquaculture, Maros, South Sulawesi, using eight ponds with 2,500 m2 in size. Red Tilapia fingerlings (±8 cm in length) were reared for 112 days with 1 individu/m2 of stocking density. The feeding treatments were of 100% commercial feed (A), 75% commercial feed + 25% fermented tofu waste (B), 50% commercial feed + 50% fermented tofu waste (C), and 25% commercial feed + 75% fermented tofu waste (D). Feeding frequency was given twice a day using concentration 10% of biomass weight in the first month, and decreased by 3% of biomass weight in the fourth month. Experimental was designed by a completely randomized designed consisted of four treatments and two replications for each treatment. Observed variables were growth, survival rate, feed conversion ratio, production, and water quality. Present study indicated that different levels of combination of commercial feed and fermented tofu waste had significant effect on growth (P<0.05), but did not have significant effect on survival rate, production, and feed conversion ratio (P>0.05). Feeding by combination of 75% commercial feed + 25% fermented tofu waste could be utilized optimally by Tilapia. During experiment, pond water quality was in conducive condition to support the growth and survival rate of red Tilapia.

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