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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 EFISIENSI PEMASARAN BENIH IKAN LELE DUMBO (Clarias gariepinus) MENURUT PENDEKATAN ELASTISITAS PERMINTAAN (STUDI KASUS DI DESA SAGARACIPTA KECAMATAN CIPARAY KABUPATEN BANDUNG) EVA PRASETIYONO
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 1 (2008): 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 study was performed to recognize marketing efficiency on cat fish seed sale from seeder to the drain by demand elasticity approach. Beside it, this study also performed to know most efficiency marketing at exist drains. The study located at Sagaracipta Village Ciparay Sub regency Bandung Regency from August 2006 until September 2006. The research method that used was survey method. Survey method is research method that taking the sample from one population and using the questioner as tool to collect main data. There are 3 main features of survey method in this study, that are data collected from respondent (sample of population) that represented all population, data collected by questioner, generally analysis unit is individual. The study result describes that cat fish seed marketing from seeder to the drain in Sagaracipta was not efficient for the drain. It can seen by demand elasticity rate was larger than 1 (e>1). Among 6 drains that exist, there are 4 drains that has more efficient that others, because their Marginal Revenue (MR) rate were large.
UJI TOKSISITAS KOLOWE (Chydenanthus excelsus, Miers) DENGAN MENGGUNAKAN METODE BSLT (Brine Shrimp Lethality Test) HENNY HELMI
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 1 (2008): 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

A research to find out the toxicity of kolowe seeds on Artemia salina had been done. Crude extract and fractions of kolowe seeds contain saponin, alkaloid, polifenol and triterpenoid. Based on their antibacteria and antifungi activities, kolowe seeds can be used as biopesticide. Toxicity test against to Brine shrimp has been done to know the safety of this biopesticide. The results showed that kolowe seeds extract and fractions had a low toxicity on Artemia salina (LC50 > 30 ppm). In conclusion, kolowe seeds can be an alternative to be used as biopesticide
PENGELOLAAN OBJEK WISATA PANTAI TANJUNG PENDAM BERDASARKAN DINAMIKA KUNJUNGAN WISATAWAN ALDINO AKBAR
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 1 (2008): 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

Tourist is one of main component of management in Tanjung Pendam Beach Resort which is oriented to mass tourism as funding source for the continuity of the resort. That’s why, it’s important to know the dynamic of the tourists so it can be determined better form of the management to increase the quality of the services that can impact to the increasing of quantity of the tourists. Methode is used in this research is direct observation with combination of the factually data record and interpretative data record in recording the obserbed data. The data summary of the visitor is recorded most are observed in the working day from Monday to Saturday, the data in a row are : 127, 140, 133, 110, 75, 97 persons. But, on Sunday there are only 65 tourists recorded. The number of ticket sold is most on Sunday, as many as 205 tickets sold. Vehicles that is dominantly used by the tourists to reach the location of the resort is motorcycle with the highest amount is 116 on Sunday. The tourists are prefer to visit in cloudy weather as many as 161 tourist than hot, dark cloudy and rainy weather with the visitors in a row are 102, 104 dan 19 person.
PEMBUATAN PUPUK ORGANIK CAIR DARI LIMBAH CAIR INDUSTRI PERIKANAN MENGGUNAKAN ASAM ASETAT DAN EM4 (Effective Microorganisme 4) YULYA FITRIA; BUSTAMI IBRAHIM; DESNIAR DESNIAR
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 1 (2008): 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

Fishery industrial wastewater contents high in nutritional elements especially nitrogen which can be used as an organic fertilizer. In order to increase the effectivity of this wastewater as a fertilizer, the complex substances need to be brokendown become a simpler one. Acetic acid and EM4 (Effective Microorganism 4) is a chemical and biological activator which applied to degradate the complex substances. The objective of research are to study a treatment of fishery industrial wastewater to become an organic fertilizer, and to identify the quality of liquid organic fertilizer resulted when applied to spinach plant (Amaranthus tricolor). Hasil penelitian terhadap kandungan unsur hara awal limbah cair memiliki rata-rata kandungan N total, Total C organik, P tersedia dan K yang dapat dipertukarkan masing-masing adalah 628,10 mg/l; 2115,56 mg/l; 241,1 mg/l dan 246 mg/l dengan nilai pH 6,96. The observation of raw wastewater shows that N total, C organic total, available P and K ionic transfer are 628,10 mg/l; 2115,56 mg/l; 241,1 mg/l dan 246 mg/l orderly with pH value is 6,96. After treatment pH value become 5,2 - 6, 93. Content of C organic total, N total, ratio C/N, nitate, available P and K ionic transfer become 2102,83 – 9622,30 mg/l; 628,10-1064,93 mg/l; 3,69-9,04; 3,0326-4,5123 mg/l, ; 151,77-649,4 mg/l dan 157-548 mg/l orderly. When applied to spinach plant (Amaranthus tricolor) the treatment of the wastewater with activator EM4 give the best result, which has C/N ratio similar to soil, with higher in nitrogen, phosphor and kalium.
KAJIAN TINGKAT KEBERHASILAN REHABILITASI VEGETASI MANGROVE DITINJAU DARI ASPEK BIOEKOLOGI DI PANTAI TOKKE-TOKKE KECAMATAN PITUMPANUA KABUPATEN WAJO MARZUKI UKKAS; ZULKIFLI ZULKIFLI
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 2 (2008): 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 research aim to know level of rehabilitation success mangrove vegetation based on condition of bioecology especially level of mangrove growth and ecology index makrozoobenthos. Result of research indicates that thickness of vegetation of mangrove formed after rehabilitation still be thin with the range of average of between 14-54 m. Rhizophora mucronata is mangrove type giving the biggest influence in structure vegetation of mangrove Tokke-Tokke. composition of type makrozoobenthos found at vegetation of mangrove Tokke-Tokke enough heights (consisted of out of 45 types coming from 5 clast and 25 set of relativeses and predominated by Class Gastropoda), with highest abundance 77,33 ind/m2 and average of 52,13 ind/m2. Ecology index every station with different stand age is relative equal to diversity index (H') pertained medium (2.17-2.65). Uniformity index (E) and domination (D) each in categorizing stable (0.61-0.88) and low (0.10-0.22), except station I (age 10 years) with uniformity index in categorizing unstable ( 0,68). Spreading pattern of type makrozoobenthos found able to be categorized distribution of random, uniform and generally group indicating that condition of area formed at vegetation of mangrove Tokke-Tokke enough varies for every type makrozoobenthos.
KAJIAN POTENSI TERUMBU KARANG DI PANTAI TELUK LIMAU SEBAGAI DASAR RUMUSAN DAERAH PERLINDUNGAN LAUT KABUPATEN BANGKA INDRA AMBALIKA
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 2 (2008): 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

Inconventional Mining becomes more lustrous in Bangka since government gave a freedom to society in 2000 to mine tin. They mine not only on the ground but also in the coastal area, known as floating inconventional mining (TI Apung). This condition actually will destruct the coral reef ecosystem in the sea. Therefore, so many efforts should be done to keep and prevent the last coral reef ecosystem. One of them is to develop a good coral reef ecosystem into Marine Protection Area (MPA). This research is aimed to inventory the potential of coral reef ecosystem located in Teluk Limau Beach as a formulation base of MPA in Bangka. This activity was held from July 2007 till February 2008. It took the samples on July 2007, October 2007, and January 2008. The waters temperature was approximately 29OC and the salinity was approximately 33O/OO. Water pH tends to be alkali, meanwhile, the sediment pH is acid. Generally, this area has sand composition about 94,94% - 95,05% more than dust and clayey composition. Hard coral, Acropora Solitaryensis, has a solid value higher than others. Whereas, soft coral, Polyphyllia Talpina, is more dominant. Totally, both of them are about 73,9 % and coral mortality index is about 7,81%. An index of divercity coral community in Teluk Limau Beach is among 1,89484 – 2,0417. Homogeneous value (E) is about 0,58175 – 0,64411 and dominant value (D) is among 0,142722 – 0,195502. The potential of coral in Teluk Limau Beach can be developed as the Marine Protection Area in order to save the ecosystem from the pollution caused by floating inconventional mining.
KAJIAN DAMPAK USAHA BUDIDAYA IKAN PATIN JAMBAL (Pangasius djambal) SISTEM KARAMBA TERHADAP KUALITAS AIR SUNGAI OGAN KECAMATAN PEMULUTAN BARAT KABUPATEN OGAN ILIR EKA CHANDRA
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 2 (2008): 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 current research aimed to know the influence of floating cage density on water quality of Ogan River for fishery activity at West Pemulutan, Sub District.Method applied in this research was survey method. River characteristics and water quality variables observed namely: the depth of river, river width, water transparance, pH and water temperature were measured directly in the field. Other variables such as carbondioxide, nitrite, nitrate, ammonia, dissolved oxygen (DO) and TOM were measured in the laboratory. The Determination of sample location was determined based on the total of floating cage, namely: without floating cage (up-stream), the highest density of floating cage (Sukamerindu), the high density floating cage (Kamal), the low density floating cage (Talang Pangeran), without floating cage (down-stream). Amount of samples was 5 - 10 % of floating cages and determined based on stratification sampling procedure. Result showed that the water quality status of Ogan River determined based on STORET method was slightly contaminated in all five locations. Ammonia yielded from floating cage activities (feeding and metabolism) polluted Ogan River water. The ammonia concentration increased as floating cage density increased
DEAGREGASI EKSTRAK KASAR PIGMEN (Sargassum crasifolium) J.G. AGARDH DALAM PELARUT ASETON DAN METANOL EDWIN MAHENDRA; LIA KUSMITA; A.B. SUSANTO; LEENAWATY LIMANTARA
Akuatik: Jurnal Sumberdaya Perairan Vol 2 No 2 (2008): 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

Several kinds of algae have high economical value because its nutrition and chemical composition can be used in every social aspects. One of them is Brown algae, Sargassum crasifolium which contains photosynthesis pigment, that is chlorophyl a and c. According to Goodwin (1974) and Fitton (2005) this algae is very rich of karotenoid, a kind of fukosantin. According to Gross (1991), chloropyhl will be easy to have degradation if there is extremely environmental changing, for instances: temperature, light intensity, and acid. This research is aimed to know the influence of acid on the aggregate and rough extract spectrum system of Sargassum crasifolium in aseton and metanol by in vitro which has been formed after adding water. Adding acid either asetat acid or hydrochloric acid forms Feofitin Tang indicated by the changing of rough extract spectrum system of Sargassum crasifolium in Qy, Qx and Soret. Kinds of solvent and amount of acid do influence the extract deaggregation process of Sargassum crasifolium. Hydrochloric acid and CH3COOH are able to deaggregate the extract of Sargassum crasifolium in aseton and metanol which has been formed after adding water. If we compare them, HCL will be more significant than CH3COOH to deaggregate.
PENGGUNAAN KAPANG (Trichoderma viride) DALAM PEMBUATAN SIRUP GLUKOSA RUMPUT LAUT (Eucheuma spinosum) ANDRI KURNIAWAN
Akuatik: Jurnal Sumberdaya Perairan Vol 3 No 1 (2009): 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

Glucose syrup is an aqueous solution liquid that produced from strach hidrolysis with use enzyme catalisator, acid, or combination between enzyme and acid. Glucose syrup is secondary product which more used in food and drink industries, substrate for fermentation, or even used as raw material for chemical materials productions like ethanol and acetat acid. Glucose can be produced with used cellulose with breaking down cellulose is as polysaccharide to its monomer, that glucose. One of cellulose source that very much in the nature is seaweed. Cell wall of seaweed specially from red algae and green algae is cellulose. How ever, cell wall of brown algae is mixed of cellulose and algin acid (Tortora et al, 2001). Fiber compotitions of E. spinosum 5,936% and E. cottonii 5,478% (Ayu, 2007). The used data analysis are substrate concentration has 3 levels that 1% (K1), 3% (K2), dan 5% (K3) and fermentation time has 4 levels, that 2 days (H1), 4 days (H2), 6 days (H3), and 8 days (H4) and each repeated 3 times. In the process of seaweed E. spinosum fermentation by Fungi T .viride has been carried out in K2H3, that in substrate concentration 3% and fermentation time 6 days include glucose value 6,242%, pH value 8,9, total solved solution 2,3% brix, color L 43,32, and hidrolized cellulose percentage 3,90%
PEMANFAATAN RUANG MEDIA BUDIDAYA KERAMBA JARING APUNG MELALUI POLIKULTUR IKAN KERAPU (Serranidae), IKAN KUWE (Carangidae), DAN IKAN NAPOLEON (Cheilinus undulatus) BOBY DANI DARMAWAN
Akuatik: Jurnal Sumberdaya Perairan Vol 3 No 1 (2009): 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

Commonly, the problem of using floating net cage is how to cultivate the commodity in limited space with high density to gain the maximum production. This study was therefore designed to answer that question. The habit of fishes which it live at the different space at water territorial such as demersal, pelagic, and benthic fishes was used in this research. The space usement for polyculture was done according to the fishes habit which its live at the different water territorial. Economical potent of the cultured fishes was also attended to get the profit from this business. According to the statement, the fishes used in this research was trevally (demersal), grouper (benthic), and napoleon wrasse (pelagic). The water space usement of floating net cage brought the positive things. The cultivated fishes growth with no problem such as the normally cultivation in a single space of floating net cage. The food is used optimally, shown with the food convertion ratio 5,13 : 1. The water space usement at this research not make some problem called competition in space usement and feeding either. Polyculture made the usement of floating net cage more efficient. The cultivation that normally used three places was minimized to became a single place. This manner also decreasing the time and the energy of the cultivator for feeding and nursering.

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