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Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan

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Published by Universitas Lampung

ISSN : 2301816X EISSN : 25797638 DOI : -

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Articles 221 Documents

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UNTILIZATION OF Moringa oleifera LEAF EXTRACT ON DECREASING INFESTATION OF Argulus japonicus IN GOLDFISH (Carassius auratus) Setyawati, Febri; Kismiyati, Kismiyati; Subekti, Sri
AQUASAINS Vol 8, No 1 (2019)
Publisher : Jurusan Perikanan dan Kelautan

Abstrak Goldfish (Carassius auratus) is one of the fishes that can be infected by parasites. Commonly, this fish is often attacked by Argulus japonicus ectoparasites. Control of infestation in A. japonicus can be done by utilizing one of the natural ingredients, Moringa oleifera leaf extract, which contains of alkaloids, tannins, saponins and flavonoids. This study aims to determine the effect of M. oleifera leaf extract in reducing the infestation of A. japonicus and the optimal concentration of M. oleifera leaf extract in reducing the infestation of A. japonicus in goldfish (C. auratus). This study used a completely randomized design (CRD) with treatments namely control, 600 ppm, 700 ppm, 800 ppm and 900 ppm with four times of replication. The main parameter is the percentage decrease in infestation of A. japonicus. The results of the research data were analyzed by using ANOVA and followed with the Ducan Multiple Range Test. The results showed that Moringa leaf extract could reduce the infestation of A. japonicus. The optimal concentration of Moringa leaf extract in reducing the infestation of A. japonicus was obtained from a concentration of 700 ppm.

ANALYSIS OF SUPERIOR COMMODITIES OF MARINE CAPTURE FISHERIES IN CENTRAL BANGKA REGENCY, INDONESIA Kurniawan, Kurniawan; Wahyudin, Cecep; Ferdinand, Teguh
AQUASAINS Vol 8, No 1 (2019)
Publisher : Jurusan Perikanan dan Kelautan

This research aims to analyze the superior commodities of catch fisheries subsector in Central Bangka Regency. The method that was used in this research is descriptive method. The analysis approach which were used are Location Quotient (LQ), Shift Share analysis (SSA), and Typology Klassen (TK). Based on the results of the research, the catch fisheries subsector in Central Bangka Regency is a potential and non base subsector, but growing faster in The Province of Bangka Belitung Islands. Based on the results of the analysis of LQ, SSA and TK acquired the superior commodities of catch fisheries in Central Bangka Regency consists of 11 commodities seen from production (tonnes) and value of the production (Rp). These types of fish areÂ mullet, black-barred halfbeak, indian mackerel, scad fish, smallfin gulper shark, smalltooth sand tiger, dorab wolf-herring, tonguesole fish, sharpnose hammer croaker, crabs, and swimming crabs. Based on the results of this research recommended to continue to maintain the conditions of the fishing ground for the 9 types of fish caught, keep the fishing trip so that production is maintained for regional income and increasing the welfare of fishermen in Central Bangka Regency.

DETERMINATION OF WATER QUALITY IN PHYSIC AND CHEMICAL USE STORET INDEX AND POLLUTION INDEX IN COASTAL WATERS DUMAI RIAU PROVINCE Nur Arifin; Sofyan Husein Siregar; Syafrudin Nasution
AQUASAINS Vol 8, No 1 (2019)
Publisher : Jurusan Perikanan dan Kelautan

The condition of good water quality is essential to support the survival of organisms that live in it. Determination of the status of water quality needs to be done as a reference in monitoring the water quality pollution.The purpose of this study to analyze and determine the status of water quality physically and chemically in the coastal waters Dumai. The method used in this research is survey method was conducted in December 2018 - April 2019 in the Coastal Water Dumai in Riau province. Sampling sites physical and chemical parameters determined by purposive sampling. Based on consideration of environmental conditions and Dumai City Regulation No. 11 In 2002, it was determined sampling consisted of four stations, with each station there are 5 sampling points were used as replicates. Determining the status of water quality using storet index and the index of pollution. Water quality measurement results About Coastal Dumai use Storet index and the pollution index shows that the coastal waters of Dumai categorized as Heavy Polluted waters.

WATER QUALITY IN THE NORTH MADURA : IS IT SUITABLE FOR VANNAMEI SHRIMP FARMING OR NOT? Santanumurti, Muhammad Browijoyo; Samara, Syifania Hanifah; Nindarwi, Daruti Dinda
AQUASAINS Vol 8, No 1 (2019)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v8i1.p753-758

Indonesia is one of the countries with the highest potential and production of vannamei shrimp (Litopenaues vannamei) in the world. Therefore, the government continues to improve theactivity of vannamei shrimp farming continuously. This study aimed to determine whether the water quality of the waters in Larangan Glintong Village, Bangkalan-Madura, East Java was suitable for vannamei shrimp farming activities. Water quality was one of the keys for successful vannamei shrimp farming since it could affect the metabolism, reproduction, osmoregulation and stress of the organism. The parameter water quality used in this study was salinity, temperature, and pH. This research was a water quality survey that was carried out for three months (March-May). The result showed that the average water salinity was 30.5 ppt. The average DO and brightness showed 7.02 mg/l and 30.69 cm. The average temperature at there was 29.41oC while the pH valued showed 8.13. The It could be concluded from water quality aspect that pond in Larangan Glintong Village, Bangkalan-Madura could be used for vannamei aquaculture development.

Niche Architecture of Thalassina anomala in the Mangrove Ecosystem of Tanjung Tiram Village South Konawe Regency - Southeast Sulawesi Muhammad Fajar Purnama; A. Ginong Pratikino; Abdullah Abdullah; La Ode Alirman Afu; Muhammad Trial Fiar Erawan
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

Penelitian ini diharapkan mampu memberikan informasi ekologis Thalassina anomala terutama yang berkaitan dengan arsitektur relung T. anomala dan peranannya terhadap kehidupan (interaksi timbal balik) biota akuatik lainnya yang ada di ekosistem mangrove Desa Tanjung Tiram Kecamatan Moramo Utara Kabupaten Konawe Selatan - Sulawesi Tenggara. Penelitian ini dilaksanakan pada bulan Oktober-Desember 2019 bertempat di Desa Tanjung Tiram Kecamatan Moramo Utara Kabupaten Konawe Selatan. Penelitian ini bertujuan untuk mengetahui secara detail arsitektur gundukan T. anomala di ekosistem mangrove Desa Tanjung Tiram Kabupaten Konawe Selatan. Penentuan stasiun penelitian menggunakan metode purposive sampling atau penetapan stasiun berdasarkan habitat alami lobster lumpur (T. anomala) di alam yakni pada ekosistem mangrove. Pengamatan relung T. anomala dilakukan secara langsung menggunakan metode random sampling. Parameter utama yang diamati pada penelitian adalah arsitektur relung (niche) antara lain tinggi gundukan, diameter atas gundukan, diameter bawah gundukan, kedalaman liang, diameter liang, kemiringan gundukan, kemiringan liang dan arah liang. Hasil pengukuran arsitektur relung lobster lumpur dan parameter lingkungan di analisis nonparametrik menggunakan uji spearmen, demikian juga dengan hubungan antara diameter atas gundukan dan lebar karapas lobster lumpur (T. anomala). Pola distribusi T. anomala pada setiap stasiun memperlihatkan pola yang acak (random). Kepadatan lobster lumpur (mud lobster) tertinggi diperoleh pada stasiun 2 (substrat berlumpur) dengan jumlah 4,5 ind/m2 sedangkan kepadatan terendah (1,5 ind/m2) diperoleh pada stasiun 3 dengan substrat kombinasi (lumpur, pasir dan kerikil). Terdapat korelasi yang sangat signifikan atau signifikan positif antara diameter liang dan lebar karapas (carapace width) dari T. anomala. 95% dari parameter arsitektur gundukan tersebut memiliki korelasi yang signifikan, artinya hanya terdapat satu parameter yang tidak memiliki korelasi signifikan yakni hubungan antara parameter kemiringan gundukan dengan kemiringan liang (P>0,05). Diantara parameter tersebut tinggi gundukan dengan diameter bawah gundukan memiliki korelasi yang sangat signifikan (0,005<0,01) dan tinggi gundukan dengan kedalaman liang (0,026<0,05).Kata Kunci : Mounds Architecture; Density; Distribution Pattern; Thalassina anomala

ECOTOURISM DEVELOPMENT OF SNORKELING AND DIVING ACTIVITY TOWARD CORAL REEF HABITATS IN THE LEMUKUTAN ISLAND OF BENGKAYANG REGENCY Rudianto, Arif; Dewi, Yohana S. K; Burhanuddin, Burhanuddin
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

Lemukutan Island has the potential of coral reefs to be developed into snorkeling and diving destinations. This study aims to (1) Analyze the suitability and carrying capacity of Lemukutan Island Conservation area in the development of snorkeling and diving ecotourism; (2) Formulate a strategy for developing Snorkeling and diving ecotourism in Lemukutan Island. Primary data collection with field observations and structured interviews to 30 respondents on Lemukutan Island. Secondary data is collected by various libraries and related. Based on results of the study, Lemukutan Island's coral reef ecosystem for the purpose of snorkeling and diving tourism was in the appropriate category (S2) with an IKW value of 76.8% and 68.86%. While the Ecological Carrying Capacity of each Â± 6,139 people / day and Â± 1,008 people / day. Based on the results of the SWOT analysis obtained alternatif strategies (1) Management and utilization of coral reefs optimally by taking into account the sustainability; (2) Increased access to Lemukutan islands, such as speed boats and timely departures; (3) Adding snorkeling and diving equipment, and improving resort services; (4) Arrangement of land and sea space in accordance with its designation so that marine resources can be sustainable; (5) Packaging of unique and environmentally based snorkeling and diving tours; (6) Increasing promotion through digital technology and promotion through tourism events to build partnership networks; (7) Improving skills for the community to open up alternative opportunities for new jobs; (8) Disseminating the importance of protecting coral reefs and making rules for snorkeling and diving tours

IMPROVEMENT IN THE GROWTH PERFORMANCE OF TIGER GROUPER Epinephelus fuscoguttatus (Forsskal, 1775) BY PROBIOTIC MICROCAPSULES, Bacillus sp. D2.2 Ignatius Sandra Setyabudi; Esti Harpeni; Wardiyanto Wardiyanto
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

Probiotics in the fish's body are able to optimize the nutrition of feed given for growth. Microcapsule techniques can protect probiotics as they pass through the digestive tract. This study aims to study the increase in growth of tiger grouper fish fed with probiotic Bacillus sp. Microcapsules. D2.2 with different dosages. The study was conducted in May - June (30 days) with 5 treatments and 3 replications. The treatments applied are K- (feed without probiotics), K + (feed + liquid probiotics), A (feed + probiotic microcapsules 1 gram / kg of feed), B (feed + probiotic microcapsules 2 gram / kg of feed), C (feed + probiotic microcapsules 3 grams / kg of feed). The following are the highest observations, namely absolute weight gain (23.8 ± 0.7) grams, specific growth rate (1.35 ± 0.04)% /day, feed covertion ratio (FCR) (1.3 ± 0.1) ), survival rate (83 ± 2.9)% and protein digestibility 90.56% while the lowest value is in the control treatment. The results showed that the administration of probiotic microcapsules was able to significantly increase the growth of tiger grouper fish compared to control treatments.

Population parameters and exploitation level of striped snakehead, Channa striata (Bloch, 1793) in Aopa Swamp, Southeast Sulawesi Bahrin, Nurtini; La Sara, La Sara; Asriyana, Asriyana
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

Striped snakehead is one of the important economical fish in Aopa Swamp waters. Research on population parameters and exploitation level of striped snakehead was conducted from November 2018 to January 2019. The objective of this research was to analyze population parameters and exploitation level ofÂ Â striped snakehead in the Rawa Aopa waters in Southeast Sulawesi. Fish samples were caught using a fishing trap used by fishermen. A total of 449 individual fish were caught with ranging 20.0-47.0 cm in length and 59.0-994.0 g in weight. Striped snakehead has an isometric growth pattern (b=3.08 ; r=0.96, R2=0.92) with the equation model W=6.10-3L3,08. Striped snakehead reaches its maximum length in size L Íš = 48.62 cm with a growth coefficient (K) of 0.68 year-1. Fishing mortality (F= 0.87) is higher than natural mortality (0.63). Exploitation level of striped snakehead in Rawa Aopa waters is categorized as overfishing (E> 0.5).Keywords :Â Striped snakehead, isometrics, overfishing, Aopa Swamp, Southeast Sulawesi

WATER QUALITY OF FISHING LOCATION OF SEPATUNG FISH (Pristolepis grootii) AT KELEKAR RIVER, OGAN ILIR REGENCY OF SOUTH SUMATERA Muslim, Muslim
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

This study aims to determine the parameters of water quality at the fishing locations of the sepatung fish (Pristolepis grootii). Water quality is very influenced by environmental conditions. Kelekar River is one of the rivers located in the area of the flooded swamp area. The water quality characteristics of this river are very influenced by the condition of the surrounding swamps. Based on water acidity (pH) parameters, the quality of river water tends to be acidic, but the sepatung fish (P grootii) can live, grow and develop in this habitat. Water quality in natural waters habitats h can be used as a reference in the maintenance of fish in aquaculture media.

Feasibility Analysis of Freshwater Fish Farming Business Development in Pringsewu District Sirat, Muhiddin; Shaleh, Shofyan; Ermawati, Ratna; Sirat, Muhammad Mirandy Pratama; Utomo, Deny Sapto Chondro
AQUASAINS Vol 8, No 2 (2020)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v8i2.p815-828

This research has two aims, the first was to see and analyze the business of freshwater fish farming in Pringsewu District which is feasible or not to be developed. The second aim was to find out whether the freshwater fish farming business in Pringsewu District remain feasible to be developed if there was a decrease in production levels and an increased in production costs. This research analyzes several aspects of business feasibility, namely marketing aspect, production aspect, management aspect dan financial aspect. In the financial aspect, two approaches were used, that were analysis of unpaid business feasibility using the Benefit Cost Ratio (B/C Ratio), Break event point (BEP), Return On Invesment (ROI) analysis tools and discounted business feasibility analysis with the Net Present Value (NPV), Net Benefit Cost Ratio (Net B/C), Internal rate of retur (IRR), Gross Benefit Cost Ratio (Gross B/C), Payback period analysis tools. The results of this study indicate that the aspects of marketing, production aspect, and management aspect have the potential to be developed, as well as the financial aspects with the feasibility analysis of non-discounted shows that the business of freshwater fish farming in Pringsewu District is feasible to be developed. The results of the sensitivity analysis also show that the business is still feasible to be developed despite a decline in production levels and an increased in production costs.Â Keywords : Business Development, Business Feasibility, Project Evaluation, Freshwater Fish Farming

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