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Aquacoastmarine
Published by Universitas Sumatera Utara
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
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Jurnal AQUACOASTMARINE merupakan jurnal ilmiah yang diterbitkan berkala secara online yang dikelola oleh Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian, Universitas Sumatera Utara, berisikan hasil-hasil penelitian tentang Pengelolaan Sumberdaya Pesisir dan Konservasi Sumberdaya Perairan, Kualitas Air serta Budidaya Perikanan.
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Articles 354 Documents
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KAJIAN HIDROMORFOLOGI DANAU MARTUBUNG INDAH KECAMATAN MEDAN LABUHAN SUMATERA UTARA (Hydromorphology Study of Martubung Indah Lake Distric of Medan Labuhan North Sumatera) Dita Agnesia; Darma Bakti; Zulham Apandy Harahap
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Lake is the water mass that occupied the basin wide and surrounded by land and can be formed both natural and artificial. Martubung Indah Lake is an artificial lake in PERUMNAS Griya Martubung, North Sumatera. Morphometry data is required in determining layers lake and also determined the lake ability can be used by the public. The purpose of this research was to discover the hydromorphometry aspects Martubung Indah Lake. This research was held from May to June 2016. Collecting data in this research were depth, stream flow, lake width, water quality, and around the lake. These data were processed using ArcMap. The result of this research Martubung Indah lake has 100.532,88 m2 wide scale, maximum length of 509,44 m, maximum width 197,34 m, circumference of 1301.52 m. Maximum depth of 1.5 m, with flat basic shape of the lake. The capacity of Martubung Indah lake which can be used bythe public is 68.657,77 m3 of water volume, stream flow around 0.09 L/s - 0.13 L/s, residence time of water ± 794 - 795 days, the brightness of the water approximately 0.10 to 0.55 m, and Martubung Indah Lake is including into the oligothropic lake.Keywords: Martubung Indah Lake, lake hydromorphometry, the status of the lake.
BIOAKUMULASI LOGAM BERAT Cd DAN Pb PADA API-API (Avicennia alba) DI DESA BAGAN DELI KECAMATAN MEDAN BELAWAN (Bioaccumulation of Heavy Metals Cd and Pb on Api-api (Avicennia alba) in Bagan Deli Village, District of Medan Belawan) Gilang Pradifta S; Yunasfi Djayus; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Many activities by human and industry in Bagan Deli Village and along the Deli river could be caused the present of heavy metal in acuatiq environmental and could be harm to aquatic organism. The purpose of researching in to analyze the content of heavy metals Cadmium (Cd) and Plumbum (Pb) on roots, barks, leaves and knowing the ability of A. alba in accumulating heavy metals. The sample was located in Bagan Deli Village, District of Medan Belawan. The analysis of heavy metals Cd dan Pb was carried out in a Balai Riset dan Standarisasi Industri Medan, by using the metod Atomic Absorption Spectrophotometry (AAS). The results of this research indicated that the heavy metal content of Pb in the roots, barks, and leaves is larger more than Cd. The result of this research, based on the bioconcentration factor, the ability of A. alba in accumulate heavy metals Cd and Pb categorized low, the average value of BCF Pb was 21,38 and BCF Cd was 3,66. The results of chemical physics parameter in Bagan Deli Village stilled in the normal range. Concentrations of Cadmium (Cd) in the water column at each station in average 0,0013 mg/l and the concentration of lead metal (Pb) in the water column 0,15 mg/l. Concentrations of Cadmium (Cd) in the sediment column at each station in average 0,002 mg/kg and the concentration of lead metal (Pb) in the sediment column 11,38 mg/kg. These results indicated the concentration of heavy metal Cu and Pb in the water column had exceeded the quality standard, while concentrations of Cu and Pb in sediments had not exceeded the quality standard.Keywords : Avicennia alba, Heavy Metal, Cadmium (Cd), Plumbum (Pb), AASPENDAHULUANMeningkatnya industri memberikan dampak
ISOLASI DAN IDENTIFIKASI BAKTERI POTENSIAL PATOGEN PADA IKAN NILA (Oreochromis niloticus) DI KOLAM BUDIDAYA PATUMBAK Isolation and Identification of Potential Pathogenic Bacteria in Tilapia (Oreochromis niloticus) in Patumbak Pond Aquaculture Ruth Aprilyanti Napitupulu; Dwi Suryanto; Desrita Desrita
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tilapia culture is highly affected by fish diseases, which may be occured because of change in environment. This study was aimed to know potential pathogenic bacteria in nila fish (Oreochromis niloticus). Screening and isolation of the bacteria were done in Balai Karantina Ikan, Pengendalian Mutu dan Keamanan Hasil Perikanan Kelas I Medan I. Identification of the bacteria was conducted using Vitek 2 Compact in RS Murni Teguh. Five potential pathogenic bacteria were found to infect nila fish i.e. Kocuria kristinae and Stenotrophomonas maltophilia of brain, Aeromonas hydrophila of liver, Staphylococcus lentus of kidney and Staphylococcus warneri of skin sample. Water temperature was 32 oC with pH of 6,9 and DO of 2,96 mg/lKeywords : Patumbak, Potential Pathogenic Bacteria, Tilapia, Water Quality.
ISOLASI DAN IDENTIFIKASI BAKTERI POTENSIAL PROBIOTIK PADA SALURAN PENCERNAAN IKAN MAS (Cyprinus carpio) Isolation and Identification Potential Probiotic Bacteria in Digestive Tract of Goldfish (Cyprinus carpio) Mikha Febryana Samosir; Dwi Suryanto; Desrita Desrita
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Probiotics are beneficial microbes to improve microbial balance in the digestive tract. The aims of this study was to isolate the potential probiotic bacteria in Goldfish (Cyprinus carpio). This study was conducted from May to October 2016 at the Fish Quarantine, Quality Control and Safety of Fishery Class I Medan I, Kuala Namu Medan. The isolation and identification of bacteria was carried out based on morphology and biochemistry tests. The result showed that the potential probiotic bacteria in the digestive tract of C. carpio was Micrococcus varians, Staphylococcus arlettae and Bacillus firmus.Keywords : C. carpio, identification, isolation, probiotic.
Kajian Morfologis dan Kelimpahan Ikan Sili (Famili : Mastacembelidae) di Sungai Seruai Desa Namu Suro Kabupaten Deli Serdang Provinsi Sumatera Utara “Morphological Studies and Abundance of Sili Fish (Family: Mastacembelidae) in Seruai River Namu Suro Vill Ali Yunus; Miswar Budi Mulya; Irwanmay Irwanmay
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Sili Fish (Family: Mastacembelidae) can be characterized by an elongated proboscis down the snout. Family Mastacembelidae are divided into three genera namely Mastacembelus (61 species), Macrognathus (24 species), and Sinobdella (1 species). The Research on Sili Fish is still limited, even for the North Sumatra region has never been done before. Seruai River is one of the rivers in North Sumatra that obtained Sili Fish populations. This raserch aimed to determine the character of Morphological and Abundance of Sili Fish (Family: Mastacembelidae) in Seruai River. This research was conducted in August 2016. The result showed that Sungai Seruai only have two species of Sili Fish, They are Mastacembelus unicolor (yellow hue on the parallel roundly body, caudal fin separate from dorsal and anal fins) and Mastacembelus notophthalmus (there are black vertical lines on the muzzle area nearby the eye , caudal fin merges with the dorsal and anal fins). The abundance of Sili fish with the use of 0.15 ind/m² and 0.07 ind/m² nets are in station 1 and 3. The abundance value by using 2.13 ind/m² traps is only found in the station 2. The attendance of Sili Fish is very rarely to be found.Keywords : Abundance, Mastacembelus unicolor, Mastacembelus notophthalmus, Seruai River.
PERTUMBUHAN DAN LAJU EKSPLOITASI IKAN TERI PEKTO (Stolephorus Waitei) DI PERAIRAN BELAWAN KOTA MEDAN SUMATERA UTARA “Growth and the rate exploitation of Anchovy Pekto (Stolephorus waitei) in the sea of Belawan , Medan, North Sumatra” Dede Yuanda; Miswar Budi Mulya; Ahmad Muhtadi
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Anchovy Pekto is one of fish commodity that has high economic value in Medan, especially in Belawan. This type of fish is also in demand in the local market. So as fisherman of anchovies put Anchovy Pekto as a main target catch for their fishing. But, this activity has a negative impact to Anchovy Pekto population. This research was conducted in Belawan in June to August 2015, which aims to examine growth pattern, growth parameters, condition factor, and the rate of exploitation in order to provide appropriate management model for the fish resources. Primary data is total length and wet weight of 1137 samples of Anchovy pekto, whereas secondary data is the sea surface temperature data. The cohort length of fish is separated by Bhattacarya method in FISAT II software. Based on the estimation growth parameters by Von Bertalanffyin which the asymptotic length (L∞) = 7,04 cm, the growth coefficient (K) = 1,50 per year and the age at zero length (to) = -0,15 from the empiricalPauly’s method. Then the growth equation of Anchovy Pekto is Lt = 7,04 (1-e[-150(t+0,15]). The value of b obtained from the relations of weight- length Anchovy Pekto 2,975. Anchovy Pekto growth pattern is negative allometric with an equation growth W=0,007L2,975. the highest and the lowest valueof factor conditionare 0,53 and 1,86. the rate of total mortality (Z) Anchovy Pekto is 4,42 per year with natural mortality rate (M) 2,87 per year, and fishing mortality rate 1,54 per year so that the rate of exploitation is obtained with the amount 0,34 and the value of the exploitation rate does not exceed the optimum exploitation which is 0,5.Keywords: Anchovy Pekto, Long-weight, Pattern Of Growth, Factor Condition, Mortality.
HUBUNGAN KERAPATAN MANGROVE TERHADAP KEPADATAN POPULASI IKAN GELODOK (FAMILI: GOBIIDAE) DI DESA PULAU SEMBILAN KABUPATEN LANGKAT SUMATERA UTARA The Relationships Mangrove Density with Population Density of Mudskipper (Family: Gobiidae) in the Sembilan Isl Bill Maulana Bidawi; Yunasfi Djayus; Desrita Desrita
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Utilization of Mangrove Ecosystem as land conversion resulting decline in the productivity of the mangrove ecosystem. The transition function of the mangrove ecosystem damage and disrupt the microbial life in it. One of which is a Mudskipper. The research aims to determine how the population density of Mudskipper and how the relationship of mangrove density to the population density of Mudskipper. The research was conducted for two months from March to April 2016 at the mangrove ecosystem in the Sembilan Island village. The research used purposive random sampling method. There are three kind of fish can be found in those areas, which are Periophthalmus chrysospilos, Periophthalmus gracilis, and Boleophthalmus boddarti. The results of this research is the highest population density of Mudskipper are found at station III with a value of 7400 Ind/ha and lowest were in station IV with a value of 2600 Ind/ha. The highest density of mangrove are found at station 4 with a value of 4800 Ind/ha and lowest were in station III with a value of 4066 Ind/ha and categorized good. Relationship between the mangrove density and the population density of Mudskipper exhibits a positive correlation with a value of 0,941.Key Words : Identification, Mangrove, Mudskipper, Population Density.
JENIS-JENIS BAKTERI POTENSIAL PATOGEN YANG MENGINFEKSI IKAN MAS (Cyprinus carpio) DI KOLAM PATUMBAK KABUPATEN DELI SERDANG (Potential Pathogen Bacteria Infecting Goldfish (Cyprinus carpio) in Patumbak Pond Deli Serdang Regency) Meirani Ritonga; Dwi Suryanto; Yunasfi Djayus
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Goldfish is commonly found in Indonesia. Pest and disease infected goldfish is being one of the factors to decrease production of the goldfish. The goldfish infected with bacteria was founded in a pond in Patumbak. The study was aim to observe bacteria that might cause fish disease. The isolation of the potensial pathogenic bacteria of goldfish was utilised using the agar spread method. Identification of pathogenic bacteria was done using Vitec 2 compact. Test of water samples was conducted at the Laboratory BTKL Class 1 Medan. Two species were found as potential pathogens in the goldfish, i.e. Pseudomonas aeruginosa and Enterecoccus faecalis. Test of water quality showed that the water quality was still in permitted condition.Keywords: Bacterial pathogens, Goldfish, Pond, Water Quality
PENENTUAN KUALITAS AIR DI PERAIRAN TIGARAS KECAMATAN DOLOK PARDAMEAN KABUPATEN SIMALUNGUN (Determination of Water Quality in Waters Tigaras of District Dolok of Pardamean, Simalungun) Luly Nanda Arista; Budi Utomo; Zulham Apandy Harahap
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tigaras waters is one of Lake Toba area which is used as a tourist area, ferry ports and floating net cage aquaculture activities which could effect water quality in Tigaras. The research to determine the value of the parameter of physic, chemistry, biology and water quality based on the quality standard PP RI No. 82/2001 on water quality management and water pollution control. This research was done on June to July 2016. The study used purposive random sampling method. There were four first station (port), the second station (cages), the third station (tourist), and fourth station (control). Value parameter of physics, chemistry and biology, among others temperature 26oC–29oC, TSS 54-56 mg/l, TDS 25-27,5 mg/l, brightness 180-198 m, pH 7,2-7,65, DO 5,35-6,45 mg/l, BOD 0,9-2,85 mg/l, COD 2,812-8,90565 mg/l, nitrate 0,5 mg/l, phosphote 0,19-0,51 mg/l, total coliform 65,9–2505 MPN/100ml. Water quality based on standard class one and class two is being polluted with respective value are -25 and -15, while based on standard class three is not polluted or meet quality standard value.Keywords : water quality, Storet method, Tigaras waters
STUDI TUTUPAN KARANG DI DESA SITARDAS KECAMATAN BADIRI KABUPATEN TAPANULI TENGAH PROVINSI SUMATERA UTARA Study of Life form Coral in Stardas Village Tapian Nauli Sub district, District of Tapanuli Tengah, Sumaterea Harry Muda Hasibuan; Hasan Sitorus; Indra Lesmana
AQUACOASTMARINE Vol 5, No 1 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Sitardas Village at Badiri sub district, District of Tapanuli Tengah is one of conservesion area that potensial tourism and fhisiries at Districtof Tapanuli Tengah. The aims of the study are to analize the percentage of coral covered area.The research was conducted for two months from April to Agust 2014 in Stradas Village. The research used survey method by using Line Intercept Transect (LIT) in two research stations with line transect 100 meters and three replications in each transect. Guildelines for measuring the condition of coral refers to Bapeda Regulation No. 47 of 2001. The results showed the condition of coral reefs in the Stardas Village was middle health category with coral covered area of 27,53%. The result dicreased compared to monitoring conducted by Marine and Fisheries Department of North Sumatera in, 2014 (50,96%), and 2015 (34.06%). The highest lifeform coral percentages in first station was Dead Scleractinia with a persentation of 34 %and than the highest lifeform coral percentages in second station was Hard Coral (Acropora) to cover a persentation of 44.4 %.Keywords : Coral Covered Area, Sitardas Village, Tapanuli Tengah District

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