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Akuatik: Jurnal Sumberdaya Perairan
Published by Universitas Bangka Belitung
ISSN : 19781652     EISSN : 26565498     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Akuatik merupakan jurnal sumberdaya perairan yang diterbitkan secara berkala oleh Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung. Jurnal ini memuat makalah hasil penelitian, catatan hasil penelitian, artikel ulas balik, dan ulasan penelitian mengenai oseanografi, limnologi, biologi perairan, produktivitas perairan, pencemaran perairan, lingkungan pesisir dan masalah lainnya yang relevan.Terbit perdana pada bulan April 2007 yang selanjutnya akan terbit secara berkala dua kali dalam satu tahun.
Arjuna Subject : -
Articles 238 Documents
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ANALISIS KELEMBAGAAN PENGELOLAAN SUMBERDAYA IKAN DI PESISIR TANJUNG ULAR KABUPATEN BANGKA BARAT ENDANG BIDAYANI
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 1 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Tin production in Kabupaten Bangka Barat (Bangka Belitung Province) generated positive and negative impact to environment. The aim of this research is to analyze institutional of illegal mining (TI) activity to fisherman in Tanjung Ular Coastal area, Kabupaten Bangka Barat. The data was analyzed by the method institutional analysis. The result show that conflict caused by open access regime management. The policy of fishery sector development is alternative policy from government and stake holders
KOMPOSISI KIMIA DAN VITAMIN A, B1, B2, B3 DAGING IKAN GURAMI (Osphronemus gouramy) PADA BERBAGAI UKURAN NURJANAH NURJANAH; TAUFIQURRAHMAN TAUFIQURRAHMAN; TATI NURHAYATI MURYANTO
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 1 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

The aim of this research are to determine original sample, conservancy time, characteristic of carp fish such as body length, rendemen and chemical composition (proximate) and also influence of conservancy time toward vitamin in carp fish flesh of (Osphronemus gouramy). Rendemen value of carp fish flesh is 45-52%, bone 30-38%, inner organ 6-8%, gill 1-2%, fin 3-5% and scalp 4%. Chemical composition of carp fish are irrigate rate 72,96-75,48%; ash 0,95-1,03%; fat 2,20-2,79% and protein 18,71-20,67%. Rendemen of fish flesh age 2,5-3 year has highest value ( 52%) and rendemen of fish bone age 7 bulan- 1 year has highest value ( 38 %). Value of Vitamin A is 589,665 IU/100G; vitamin B1 is 0,0786 mg/100g; vitamin B2 is 0,074 mg/100g; vitamin B3 is 1,13 mg/100g for the fairish fish minimize ( age harvest is 7 month until one year). Value of vitamin A is 749,715 IU/100G; vitamin B1 is 0,0792 mg/100g; vitamin B2 is 0,083 mg/100g; vitamin B3 is 1,22 mg/100g of fairish fish age harvest 1,5-2 year. Value of vitamin A is 938,14 IU/100G; vitamin B1 is 0,0875 mg/100g; vitamin B2 is 0,094 mg/100g; vitamin B3 is 1,39 mg/100g in age harvest more than two years. Value height of vitamin A, B1, B2, and B3 of carp fish in age harvest more than 2 years because of bigger carp fish get more food than small carp fish
TEKNIK PERANAN KITOSAN DALAM PENINGKATAN PERTUMBUHAN TOMAT (Lycopersicum esculentum) SELAMA FASE VEGETATIF PIPIH SUPTIJAH; AGOES M. JACOB; SUGARA MURSID
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 1 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Chitosan is product of shrimp shell waste utilization that derived from chitin. Based on its nature and characteristics, it is known that chitosan has important role in agriculture as a stimulant for the plant defense system as well as growth and production of some horticultural crops such as tomatoes. The purpose of this research is to study the influence of the chitosan treatment on the growth of tomatoes and to determine the effect of treatment combination on the growth of tomatoes. Chitosan treatment experiments on the growth of tomatoes during vegetative phase is done by Complete Random Design with 1 factor, that is chitosan treatments combination including P1 (control), P2 (chitosan soaking 25 ppm), P3 (watering and chitosan soaking 25 ppm), P4 (soaking and spraying chitosan 25 ppm) and P5 (soaking, watering and spraying chitosan 25 ppm). Chitosan soaking treatment at 25 ppm in tomato seeds have more value in growth rate and growth effort than the untreated plant. The best treatment is founded in the combination of soaking treatment with chitosan spraying in 25 ppm (P4), it’s better if it’s compared with other treatment (each parameter include the height of plants, the number of branches, the number of leaves, the length of leaves and wet weight and dry weight of the plants)
AKTIVITAS ENZIM KATEPSIN DAN KOLAGENASE PADA KULIT IKAN BANDENG (Chanos chanos, Forskal) SELAMA PERIODE KEMUNDURAN MUTU TATI NURHAYATI; ELLA SALAMAH; MOHAMMAD IRFAN; RONI NUGRAHA
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 1 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Fish skin is one of many parts from fish that can be utillized beside the muscle. Proteolytic enzymes like cathepsin and collagenase are known as one of the factors that influence in fish skin quality deterotiation after death. The research purposes were to determine post mortem phase, quality deterioration pattern, cathepsin and collagenase activity, and its correlation to the parameters of milkfish freshness. The observations were done on fasted and fed fish before harvested at room and chilling temperature storage. The highest chatepsin and collagenase activity i.e. 7800-1429 U/ml and 0,0667-0,0792 U/ml respectively, were found in fish during the post-rigor phase. Simple linear correlation analysis showed that chatepsin and collagenase activity have a very close linear relationship (r 0.7) with fish freshness quality parameters during the process of quality deterioration from pre rigor until post rigor phase.
KARAKTERISTIK MIKROSKOPIS DAN KOMPONEN BIOAKTIF TANAMAN GENJER (Limnocharis flava) DARI SITU GEDE BOGOR AGOES M. JACOEB; ASADATUN ABDULLAH; RACHMAWATI RUSYDI
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 2 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Yellow velvetleaf (Limnocharis flava) is aquatic plant and known as vegetable and source of bioactive compound but it has aerenchyma system which affects to its proximate. The research purpose was to determine microscopic characteristics of yellow velvetleaf tissues such as leaf, stem, and root tissue. The proximate and bioactive compound from fresh and steam materials were also evaluated. The methods of the research consisted of plant dimension measurement, making of tissue slide by paraffin method in Johansen-TBA series, phytochemical analysis, proximate and carotenoid total analysis. The results showed that leaf tissue was composed by epidermis unilayer containing stoma, a palisades parenchyma layer, spongy parenchyma layer with some aerenchyma system, and vascular bundle. Stem tissue consisted of epidermis unilayer, cortex containing chlorophyll, starch, and some aerenchyma system, and vascular bundle was amphicribral type. Root tissue was composed by rhizodermis, cortex with aerenchyma system, endodermis multilayer, and vascular bundle. Fresh yellow velvetleaf contained 91,76% of moisture, 12,40% of ash, 7,95% of fat, 22,96% of protein, 11,93% of crude fibre, and 219,01 g/g of carotenoid total in its leaf. Its stem contained 95,33% of moisture, 16,38% of ash, 5,62% of fat, 13,23% of protein, 16,12% of crude fibre, and 92,99 g/g of carotenoid total. Steaming decreased crude fibre content, but increased ash, fat, and protein content. Steaming also increased leaf carotenoid total, but decreased stem carotenoid total. Leaf extract contained flavonoid, phenol, reducing sugar, and amino acid. Stem extract was composed by flavonoid, reducing sugar, amino acid. Flavonoid and reducing sugar were major bioactive compounds in this plant.
KARAKTERISTIK KIMIA DAN FISIK SISIK IKAN GURAMI (Osphronemus gouramy) NURJANAH NURJANAH; RUDDY SUWANDI; VANADIA YOGASWARI
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 2 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Scales of fish represent side product which not yet been exploited optimally. Fish scales in industrial scale (side product of fish fillet industry) can be used as collagen source, while in domestic scale generally only thrown. This research aim to know fish scales potency by determining rendemen, chemical composition and physical, and possibility of existence active component in fish scales. If the target point have been known, hence which wish known hereinafter is influence of fish weight toward content of fish scales. Result of research on fish scales of carp with 260-3.315 gram in weight is rendemen mean of carp scales from 3,0-5,7 %. Carp scales is over three big component which is protein 29,8-40,9%, water 30,0-36,8%, and dusty 18,7-26,3% ( content of calcium 5,0-8,6%). Other component are fat 0,1-1,0 % and carbohydrate by differences 2,0-5,7 % ( content of chitin 0,4-3,7 %). Carp scales is alkalis, pH 8,0-8,7. Carp scales thickness is 0,02-0,07 mm and diameter range is 0,9-2,1 cm. Carp scales contain alkaloid, carbohydrate, compound of peptide, and amino acid. Carp weight have an effect on chitin rate. Ever greater of carp weight, progressively have lower chitin rate at its scales
KITOSAN SEBAGAI ABSORBEN IMPURITY DALAM PEMBUATAN AGAR MEDIA PIPIH SUPTIJAH; LINAWATI HARDJITO; JOHN HALUAN; MAGGY T WIJAYA
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 2 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Existing problem in production process for fulfilling International standard still taking as a problem for Indonesian product, therefore need modification of production process which can match with the commercial standard even also International standard. One of alternative of the production process that is through input of chitosan as impurity absorbent in its extraction, so can get high quality product of jelly for medium, and others. This research aim to application of chitosan as absorbent, to produce jelly with simple method and without chemicals, and characterize of jelly and also compare it to commercial bakto ( difco). Method used in this research is using impurity absorbent by chitosan in extraction process through chitosan filtration which obtainable absorbs can directly acquire jelly extract in order to clear of pollutant omit continued with draining. Result of jelly extract analysis showed characteristic quality of jelly produced which is viscosities 9,1cPs - 12,5cPs ( bakto 17,5cPs), value of TPC 1,8x101 CFU ( bakto 1,1x102 CFU), gel strength 261,26 gF - 297,8 gF with irrigate rate 20,9% - 23% higher than bakto jelly 16,9%. Bacterium growth through TPC test at chitosan treatment 0,1% obtained TPC value is 1,8x101 colony, while TPC value in bakto jelly is 1,1x102 colony. Sulphate value is very determine and difficult enough to decrease it. Sulphate value of jelly of chitosan absorbs treatment showed vary value, from 0,15% until 0,28%, but statistically do not differ reality. Sulphate value is lower than jelly without treatment ( 0,65%) and also is lower than bakto jelly as standard (0,35%)
AKTIVITAS ANTIOKSIDAN DAN KOMPONEN BIOAKTIF DARI KEONG PEPAYA (Melo sp.) RUDDY SUWANDI; NURJANAH NURJANAH; FAUZIAH NARYUNING TIAS
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 2 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Free radicals are highly reactive a molecule because it has one or more unpaired electrons. Reactivity of free radicals can be inhibited by antioxidant systems. Antioxidants are compounds that can inhibit reactive oxygen species/reactive nitrogen species (ROS/RNA) as well as free radicals. The raw materials are expected to have antioxidant activity is snail papaya. Conch papaya is widely used gastropods waters of Cirebon, West Java. The purpose of this study was to determine the characteristics, yield of crude extract, antioxidant activity and bioactive components of the snail papaya with various kinds of solvents. Test of antioxidant activity using DPPH method. The examination of fitokimia and antioxidant activity which performed on kloroform, etil asetat and methanol extracs with concentration activity antioxidant 200, 400, 600 and 800 ppm. Results yield the largest extraction solvent extraction using methanol (polar), while the smallest yield that is using the solvent ethyl acetate (semi-polar). The highest antioxidant activity contained in the innards of methanol crude extract with IC50 value of 1156 ppm, whereas the lowest activity of the innards that come from crude chloroform extract with IC50 value of 2799 ppm. The antioxidant activity of snail meat or offal papaya has a very low activity. Conch papaya has alkaloids, carbohydrates. Bioactive components in the form of steroid found only in extracts of chloroform and ethyl acetate extract. Bioactive components in the form of an amino acid found only in meat and offal of crude extract of methanol
TEKNIK PENANGKAPAN DALAM PERIKANAN KEKUAK KOMERSIAL-TRADISIONAL DI BANGKA YULIAN FAKHRURROZI; JOHN HALUAN; ARI PURBAYANTO; SOEWARNO T. SOEKARTO
Akuatik: Jurnal Sumberdaya Perairan Vol 4 No 2 (2010): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

This paper describes the research result on kekuak catching technique applied by Bangka fishermen at two production centres, Pebuar and Nangkabesar. The objectives is exploring and comparing the commercial kekuak catching techniques. Data were collected by observation at fishing activities and interview with key informans. This research found there are three kinds of technique: nyucok, ngerangkang, and nyerampang. Nyucok is the technique came from ancient tradition, but ngerangkang and nyerampang came from fishermen innovation. The nyucok applied at all of regions in Bangka, but the ngerangkang is applied only at Pebuar, and the nyerampang only at Nangkabesar. All of the techniques are not affect to the dry kekuak qualities, and the ngerangkang is the technique that produce the best wet (fresh) kekuak quality.
Antagonis Bacterial Selection of Siam Patin Larvae (Pangasius hypopthalmus) Toward Aeromonas hydrophila ARDIANSYAH KURNIAWAN
Akuatik: Jurnal Sumberdaya Perairan Vol 5 No 1 (2011): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

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Abstract

Bacterial isolate of Patin siam ( Pangasius hypopthalmus) larvae are Bacillus mycoides, Bacillus megaterium, Micrococcus sp, Acinetobacter baumannii, Pseudomonas putida, and Actinobacillus sp. Bacterial isolate identification on protein precipitation method showed prohibit value is 6,07 – 6,20 mm. Extracellular metabolite method revealed exclude value is 7,16 – 16,14 mm. Actinobacillus sp have ability for proscribe bigger than other bacteria isolate.

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