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INDONESIA
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 6 Documents
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Search results for , issue "Vol 4 No 1 (2010): AKUATIK : Jurnal Sumberdaya Perairan" : 6 Documents clear
PENENTUAN UMUR SIMPAN FISH SNACK (PRODUK EKSTRUSI) MENGGUNAKAN METODE AKSELERASI DENGAN PENDEKATAN KADAR AIR KRITIS DAN METODE KONVENSIONAL AGOES M. JACOEB; MALA NURILMALA; NICOLAS HUTASOIT
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 represent one of protein source. Patin ( Pangasius Sp) is representing one of prospect commodity because it has been cultured better. Fish snack (product extrusion) is food which it enhanced with fish to increase its nutrition. Water rate become critical point and determine characteristic of snack during production and depository. Assessment of age keep fish snack was done by acceleration method pursuant to rate of critical water with sorption curve approach. This research aim to evaluate age keep fish snack with critical water rate approach that is isothermal sorption approach curve and compare it with age keep determined by manual calculation. measure This research is divided become 2 phase; especial research and antecedent research. Antecedent research was conducted in a few phase which are making of fish snack, measuring of rout snack parameter through consumer survey, and determinating of characteristic early product using proximate analysis and cracking test. Especial research are conventional method for rate proximate analyze, TPC, TBA, cracking, and organoleptic every week during depository temperature 30 0C. Calculating of critical water rate, balance water rate, model and isothermal sorption curve, MRD value, slope, package permeability, weight and wide package for calculation of age keep Labuza at acceleration method using critical water rate approach. Based on this research; equation model chosen is model Caurie. Critical water rate both types of the product by hedonic; fish snack without flavor is 0,125 g H2O/G solid and fish snack with flavor is 0,078 g H2O/G solid. Based on critical water rate, both types of the product; fish snack without flavor is 0,124 g H2O/G solid and fish snack with flavor is 0,077 g H2O/G solid. Cracking value that obtained on hedonic test 1164,74 gf for snack TF and 874,54 gf for snack DF. Based on rating test, value of cracking is 1164,04 gf for snack TF and 861,38 gf for snack DF. Value of aw for snack TF is 0,15 and 0,16 for snack DF. Age keep fish snack through isothermal sorption curve approach is 2,9-4,3 month for snack TF and 0,4-0,9 month for snack DF by rating test and also hedonic test on RH depository condition about 85 %. At conventional depository method, fish snack have shown of quality retreating of depository for four weeks, but still be consumed. Isothermal sorption curve approach is representing more precise method in determination of age keep fish snack though has not perfect sigmoid curve, according to Labuza statement. Influenced factors of age keep in general are early water rate, critical water rate, balancing water rate, RH, and packaging. Based on this research can be proved that that isothermal sorption curve approach has advantages; easy to be done, effective, efficient, and cheaper than conventional method in determination of age keep fish snack (product extrusion)
PEMANFAATAN HASIL NITRIFIKASI LIMBAH CAIR PERIKANAN SECARA BIOLOGIS SEBAGAI PUPUK NITROGEN PADA TANAMAN BAYAM (Amaranthus sp.) BUSTAMI IBRAHIM; ANNA C. ERUNGAN; IRMA IRMA
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

Indonesian’s fish processing industry developed very rapidly. During the operational production, these industries consumed clean water in enorrmous volume, as much as wastewater has been produced. One of technologies frequently used is using wasterwater aeration pond. This clean treated wastewater can be used as a liquid organic fertilizer, as it contains nutrient such as N, P and K which is good for growing plant. The research objective is to study utilization of treated fishery industry wastewater by activated sludge as a liquid organic fertilizer for growing of spinach vegetable (Amaranthus sp.). The study resulted that spinach fertilized by liquid treated wastewater grew better than the one that fertilized by other treatments. Concentration of liquid fertilizer from wastewater within treatment was not significant.
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.

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