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INDONESIA
Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan
Published by Universitas Lampung
ISSN : 2301816X     EISSN : 25797638     DOI : -
Core Subject : Education,
Other
Arjuna Subject : -
Articles 10 Documents
 1 
Search results for , issue "Vol 3, No 2 (2015)" : 10 Documents clear
Hubungan Perubahan Kualitas Air Dan Pertumbuhan Fitoplankton Berbahaya Pada Lingkungan Budidaya Ikan Di Perairan Ringgung Teluk Lampung Agus Solihin; Qadar Hasani; Herman Yulianto
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Water quality becomes the critical factor of successfully aqua culture process; especially this is in aquaculture of floating cages. Otherwise, unstable water quality could impact the negative effect toward aquatic ecosystem such as the large explosion of harmful phytoplankton population (HABs). The objective of this research is to analyze a relation between the water quality of floating cages and the growth of harmful phytoplankton population by using canocial corelation analysis. Water quality research includes its brightness, the deepness, disolved oxygen, salinity, pH, value of NO2, NO3, NH3, and PO4 and toxic phytoplankton obtained during the study also indicate the amount of phytoplankton growth The results were obtained 14 species of toxic phytoplankton in the study sites. Overall abundance of phytoplankton dominated by Choclodinium, Trichodesmium Erythraeum, Nitzschia Lanceolata dan Pseudo Nitzschia, where Choclodinium an abundance of phytoplankton with the highest density of 63 739 cells/l. Canonical correlation analysis on triplot diagram showed water quality includes : brightness, disolved oxygen, pH, NO2, NO3 and PO4 together to give effect to toxic phytoplankton abundance. Canonical correlation analysis also specifically indicate the abundance Choclodinium and Trichodesmium Erythraeum in floating nets of Ringgung Marines predominantly influenced by brightness, pH, value of NO3, and PO4.
Pengaruh Padat Tebar Terhadap Pertumbuhan Dan Kualitas Udang Windu (Penaeus monodon) Pada Sistem Nurseri Aris Candra Prihantoro; Sri Waluyo; Yudha Trinoegraha Adiputra; Rara Diantari; Wardiyanto Wardiyanto
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

The low productivity during extensive culture of tiger shrimp (Penaeus monodon) may caused by disability to environmental adaptation of shrimp during cultured period. Nursery system build up to minimize this constrains and enhances shrimp growth, quality and variation in natural pond system. Nursery system is cultured method to take care shrimp during post larvae to juvenile size within 14 days. The objective of this research is to measure the growth and the quality of post larvae shrimp during nursery system at different density which is 750; 1250; 1750 and 2250 shrimps/m2, respectively. The observation of juvenile quality was done to observe the digestive tract, weight variation, necrosis and parasite fouling. In the other side, growth observation was observed by the total length and the body weight. The result showedgrowth and quality of shrimp significantly differentwithin different density. In contrast survival rate of shrimp in differeny density not significantly different. The density of 750 shrimp/m2during nursery system in extensive  shrimp culture showed optimum in growth and quality.Shrimp production rose optimum size at 2250 shrimp/m2. The simulation of economic analysis  of shrimp production showed benefit to farmer in 1750 shrimp/m2 of density. This study support shrimp production in traditional method may increase with nursery system  and additional feed in short period (2 weeks).
Pengaruh Perbedaan Media Dan Periode Transportasi Terhadap Pertumbuhan Bibit Rumput Laut (Kappaphycus alvarezii) Ali, Mahrus; Putri, Berta; Romadoni, Soma
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Brown seaweed (Kappaphycus alvarezii) is one of the important aquaculture commodities in Indonesia. Tissue culture seaweed seed has higher quality than the natural ones, but tissue culture seaweed seed still imported from a specific area. Media and transportation period effect the seed freshness. The study was conducted to determine the effective of transportation medium and the optimal of transportation period. The study was conducted in the Ketapang’s marine, South Lampung. The study using experimental methods with completely randomized factorial design with two treatments and three replication for each treatment. The first treatment is the difference transport media (banana stem and sponge), and the second treatment is the difference transport period (24, 48, and 72 hours). The parameters observed were transport temperature, the seed freshness, seaweed growth weight, and water quality factor (pH, dissolved oxygen, salinity, temperature, water clarity, and flow velocity). The results showed that the seaweed was transported by the media banana stem had seed freshness and weight growth higher quality than the sponge media, and the transportation period affected the seed freshness and the seaweed growth weight.
Analisis Daya Dukung Perairan Puhawang untuk Kegiatan Budidaya Sistem Karamba Jaring Apung Herman Yulianto; Nikky Astiastari; Abdullah Aman Damai
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Puhawang Island have a potency to developed for aquaculture especially cage system. Aquaculture with cage system will be an optimum production if the environment still support for fish to growth. Environment faktor that support the growth of fish and production of cage system called carrying capacity. The aim of this research was to determined the ability of waters around Puhawang Island to support cage system especially for cultivated grouper with floating net cages. This research was conducted using descriptive method in August to September 2014. The result shown that water quality in Puhawang Island still suitable for cage system. Holding capacity could be optimized to 53.550 tons ( with carrying density is 107.100.000 of fish). This production could be reach if used 39.600 units with 6x6x3m in volume dimension, and maksimum density is 25 fish each unit cage
Keanekaragaman Dan Kepadatan Gastropoda Di Perairan Desa Morindino Kecamatan Kambowa Kabupaten Buton Utara Ira, Ira; Rahmadani, Rahmadani; Irawati, Nur
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Gastropods have important economic value because the shell can be used for a variety of decorations are expensive and the meat as a source of food. Gastropods also a key organism in the food chain in aquatic ecosystems. This research aims to determine the diversity and density of gastropods and environmental conditions that affect gastropods. The usefulness of the research is as information for the relevant agencies and parties that need as well as information for further research. The research was conducted in morindino village watersfrom August to October 2014. The placement transect squared/plots based on the state of the substrate is sandy and rocky beaches. The results found 20 species of gastropods which belong to 17 genera in 16 families. Density on the rocky shore organisms higher than the sandy beach that is 29.11 ind/m2 while the sandy beach that is 1.44 ind/m2. Rocky shore species diversity in higher at 1.8742 while the lower sandy beach which is 1.5858. However overall, the diversity of marine gastropods in Morindino village water was included in the medium category. Water velocity Parameter affects the density and diversity of gastropods.
Suplementasi Minyak Ikan Untuk Peningkatan Imunitas Non Spesifik Udang Vaname (Litopenaeus vannamei) Vina Olivia Indraswati; Supono Supono; Asep Saefulloh
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Increased immunity shrimp became one of the targets of feeding with a complete nutrient constituent composition. Shrimp have a different immune system compared to fish in general and can be increased quickly by providing the right nutrients. Research nutrient supplementation to increase non-specific immunity, especially in Pacific white shrimp (Litopenaeus vannamei) still rarely done, especially with the addition of fish oil. This research was conducted to study the effect of fish oil supplementation in different oil among lemuru oil and patin oil with a non-specific parameter of Pacific white shrimp among total haemocyte count (THC), the differential haemocyte count (DHC), challenge test with Vibrio harveyi and relative percent survival (RPS). Design of experiments using a completely random design with three treatments and four replications. The treatment is adding  the lemuru oil (treatment A), patin oil (treatent B) and without the addition of fish oil (control). The results showed that the addition of lemuru fish and patin fish oil treatment can increase THC, DHC, which affect the phagocytic activity relative to the level of protection without giving fish oil (P<0.05). The increasing of non-specific immunity of Pacific white shrimp with fish oil needs to analyze in the economic  side to be more economical if applied to the shrimp farmers or commercial feed mills.
Prospek Pengembangan Usaha Budidaya Kerang Hijau (Perna viridis) Di Pulau Pasaran, Bandar Lampung Nuning Mahmudah Noor
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Pasaran Island  located in the Western District of Teluk Betung within 5 km from the center of Bandar Lampung. This island was known as a central anchovy in Lampung. Several attempts have been made to optimize the production of fishery there, especially anchovies, in the form of technical assistance policy to business operations. However, the potential Pasaran Island is very diverse and not limited to the anchovy, one of which is the potential for the cultivation of green mussel (Perna viridis). Mussels in Pasaran Island was cultivating in 3 years ago. This study uses a combination of aquaculture site surveys, water quality data collection, interviews and laboratory analysis of heavy metal content. With adequate environmental carrying capacity, ease of cultivation technology, the proximity of the location of the city of Bandar Lampung, food safety aspects as well as support for the various parties expected the green mussel farming can be a new icon other than Pasaran anchovy so as to improve social welfare in Pasaran Island.
Akumulasi Logam Cu, Cd dan Pb Pada Meiofauna Intertitial Dan Epifit Di Ekosistem Lamun Monotipic (Enhalus Acoroides) Efendi, Eko
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Enhalus acoroides is water plant intertidal that might be interaction between ecosystem eachother so it have ability to adsorb heavy metal that came from sea water and sediment that can accumulated in roots, leaf and bar ponder. Variation methods used to know distribution of meiofauna as intertitial fauna or epiphytic fauna on seagrass. The concentration of heavy metal of water, sediment and meiofana will be analyzed. The purpose of this research to determined correlation between concentration in seagrass, sediment, water and organism which associated whitin. The result of this research shown that  concentration of heavy metal Cu, Cd and Pb have a significant correlation between water, sediment, part of seagrass and meiofauna. The value of R2 shown that correlation between water and sediment have bigest value, otherwise the  R2 value of heavy metal shown that Pb is the biggest than Cd and Cu. Concentration heavy metal in seagrass shown that Cu>Cd>Pb and the same condition is also due in meiofauna. Its mean that the heavy metal is bioavailble for accumulation by meiofauna. Meifauna and segrass can be a good bioindicator for environmenta change especially heavy metal.
Evaluasi Kualitas Sedimen Beberapa Tambak Udang Di Kabupaten Tulang Bawang Provinsi Lampung Supono Supono
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Pond bottom  management play  an important role in the success of shrimp culture. Study on the     use of pond bottom pond as an indicator of shrimp pond productivity is still limitted.   Shrimp culture has been developing in tulang Bawang Regency, Province of Lampung since early 1990.  The waste produced by shrimp culture activity is possible to reduce pond bottom soil quality due to high organic compund and toxic material. The aim of this research was to evaluate the shrimp ponds bottom condition in Tulang Bawang Regency, Province of Lampung.  This research was an explorative one.  Data collection was done towards 12 shrimp pond units during water preparation period (pre-spreading) with the different locations of each pond from the watergate. The collected data of pond soil qualities were organic matter content, chlorophyll a, cation exchange capacity, oxidation-reduction potential, pH, and soil texture. The research results showed that soil qualities in shrimp ponds in Tulang Bawang Regency were still in range for shrimp culture. In generally, shrimp ponds in the area have soil textute of clay, sandy, and sandy clay.Chlorophyll a content, oxidation reduction potential (ORP) and organic carbon matter content were 21,5 μg/g, 76 mv and 1,26% in average respectively.  Meanwhile  cation exchange capacity and soil pH were 11,2 me/100g and 6,8 in average.
Penerapan Manajemen Kesehatan Panti Benih Udang Di Kalianda Lampung Selatan Rico Wahyu Prabowo; Sri Waluyo; Yudha Trinoegraha Adiputra; Rara Diantari; Esti Harpeni
AQUASAINS Vol 3, No 2 (2015)
Publisher : Jurusan Perikanan dan Kelautan

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Abstract

Shrimp culture drives the national economy that are included in the program of industrialization of fisheries in the economic development programs of blue ( blue economy ). Shrimp farming in Lampung province remains a mainstay of the region as a foreign exchange earner . Kalianda , South Lampung is the center hatchery tiger shrimp (Penaeus monodon) and vannamei shrimp (Litopeneaeus vannamei ) the largest in Lampung. research conducted to observe the shrimp health management applied by growers of black tiger shrimp and vannamei shrimp in South Lampung and learn relationship between seed health management with quality seeds and tiger prawn shrimp vannamei shrimp health management dihasilkan. Data obtained by interview and the quality of shrimp seed obtained from observations in the laboratory with the observed light response, swimming activity, abnormality, gut contents, lipid droplets, the condition of the hepatopancreas and pigmentation. There are 22 hatchery were observed with the application of the value of health management in the high category for the third hatchery , hatchery medium category 6 and category bneih low at 13 homes. The quality of virus-free shrimp WSSV and IHHNV and the amount of bacteria in the body are normal and healthy shrimp was observed in the overall nursing bneih diamati. Relation between hatchery management application health and seed quality is reflected by the equation Y = 0,019X2 - 1,358X + 52.49 with the coefficient of determination ( R2 ) of 0.419. This relationship indicates that the quality of shrimp seed is determined by the health of hatchery management practices (r = 0.647). This study reinforces the importance of implementing health management hatchery known by farmers with biosecurity as a form of sustainable shrimp farming .

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