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Aquacoastmarine
Published by Universitas Sumatera Utara
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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 311 Documents
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Potensi, Tingkat Pemanfaatan dan Keberlanjutan Ikan Tembang (Sardinella spp.) di Perairan Selat Malaka, Kabupaten Serdang Bedagai, Sumatera Utara Rina Sari Lubis; Miswar Budi Mulya; Desrita Desrita
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tembang fish (Sardinella spp.) is a small pelagic fish, which live inschooling. This fish can be caught using drift gill net gear, purse seine, handlinesand payang. The purpose of this study was to determine the potential ofsustainability with optimum fishing effort, utilization rates and insistence,sustainability and management of fish resources in Malacca Strait. The analysisof secondary data from 2008 to 2012 obtained from the Department of Marineand Fisheries Serdang Bedagai regency, and primary data obtained by performeda questionnaire related to the sustainability of tembang fish.The potential prediction performed with Fox model. The result shown thatMSY was 5.930,582 tons/year and optimum effort was 22.466 trips/year. Averageutilization rate of 44,95%, with an average rate of 77,26% insistence, whileallowable catch 4.744,465 tons/year. The sustainability of tembang fish,dimensional the ecological, technologies and institutions into unsustainablecategory. While economic and social dimensions included the category ofsustainable. The management efforts was by setting fishing season, the selectivityof fishing gear, prohibition of fishing gear and quota restrictions arrest.Keywords: Malacca Strait, Potential, Utilization, Sustainability, Sardinella spp.
Uji Efektivitas Antibakteri Ekstrak Daun Kamboja (Plumiera rubra) pada Konsentrasi yang Berbeda Terhadap Pertumbuhan Aeromonas hydrophila secara In Vitro Wan Nita Ulfani Barus; Hasan Sitorus; Indra Lesmana
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Indonesia the outbreaks of disease in red spotted fish is caused byA.hydrophila bacteria. Many efforts have been made by the experts to address thisoutbreak by both giving vitamins and giving probiotics and antibiotics. However aprolonged uncontrolled usage and improper dosage may lead to negative impactsto the species. Thus, the use of medicinal plants or fitofarmaka is a solution toovercome these problems. This research aims to know the effectiveness ofFrangipani leaf extract (Plumeira rubra) on the growth of bacteria A. hydrophilaand to determine the minimum dose of Frangipani leaf extract necessary to inhibitthe growth of bacteria. The research was conducted at Laboratory of FishQuarantine, Quality Control and Fisheries Product Safety Level I, Medan I. Theresearch used a completely randomized experiment method with 6 treatmentlevels and 3 replications. The research shows that, the Frangipani leaf extractdoses has highly significant effect on the growth of bacteria A .hydrophila, andthe minimum dose to inhibit the bacteria is 2 % with a clear zone diameter of 6.4mm.Key words : Effectiveness , Frangipani leaf extract, A. hydrophila
STUDI KANDUNGAN LOGAM BERAT TEMBAGA (Cu) DAN TIMBAL (Pb) DI PERAIRAN DANAU TOBA, PROVINSI SUMATERA UTARA (Study of Heavy Metal of Copper (Cu) and Lead (Pb) in Lake Toba, North Sumatera Province) Hiras Sucipto Tampubolon; Darma Bakti; Indra Lesmana
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The Purpose of Lake Toba were very diverse and required water qualityand fulled certain requirements. Otherwise, the used of the lake for the variousactivities of the society also gave impact to water quality degradation. Thisresearch were conducted from May to July 2013 in Lake Toba. This research usedPurpossive Random Sampling. There were 3 locations. Station I: Ajibata area,Station II: Haranggaol area and Station III: Porsea as the outlet of Lake Toba.Sampling activities were conducted once/month. This research aimed to knewheavy metal consentrate of Lead (Pb) and Copper (Cu) in water and sediment.This results showed indicated chemical physics parameter of Lake Tobastilled in the normal range. Concentrations of copper (Cu) in the water column ateach station in sequence 0.027 mg/l, 0.025 mg/l, 0.033 mg/l and the concentrationof lead metal (Pb) in the water column 0.039 mg/l, 0.014 mg/l, 0.029 mg/l. Whilemetal concentrations of copper (Cu) in sediments at each station in sequence1.092 mg/kg, 2.85 mg/kg, and 2.483 mg/kg and the concentration of lead metal(Pb) of 3,058 mg/kg, 3.592 mg/kg and 2,833 mg/kg. These results indicated theconcentration of heavy metal Cu and Pb in the water column had exceeded thequality standard, while concentrations of Cu and Pb in sediments had notexceeded the quality standard.Keyword: Cuprum (Cu), Lead (Pb), Toba Lake, Water Quality
Keanekaragaman dan Kelimpahan Makrozoobentos di Sungai Naborsahan Kabupaten Toba Samosir Sumatera Utara Melinda Sari Lubis; Mohammad Basyuni; Ani Suryanti
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research described diversity and abundance of macrozoobenthos in Naborsahan River Toba Samosir Regency of North Sumatra. Macrozoobenthos sampling station consists of 3 stations using purposive random sampling method. Physical and chemical parameters were measured as temperature, currents, depth, brightness, turbidity, organic content on C-substrate, pH, DO, and BOD5. Macrozoobenthos obtained 5 phylum, i.e. Annelida, Arthropoda, Nemertea, molluscs and Platyhelminthes which were divided into 26 genera. First station had a value diversity index (H') of 2,25 with a high of 11 genera. Tryonia genera had the highest value abundance of 14.430 ind/m2 that found at third station.Keywords: Diversity, Abundance, Macrozoobenthos, Naborsahan.
DAMPAK PENGERUKAN PASIR TERHADAP KELIMPAHAN PLANKTON DAN KUALITAS AIR DI HULU DAERAH ALIRAN SUNGAI BELAWAN, KECAMATAN PANCUR BATU, KABUPATEN DELI SERDANG Christina Sagala; Zulkifli Nasution; Yunasfi Djayus
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Watershed is the area bounded ridge where the rain water that falls on the area will be accommodated by the ridge and will be streamed through small streams to the main river. The presence of sand dredging activities in upstream watersheds Belawan can be lower water quality and abundance of micro-organisms, including plankton. This research had been conducted from April to July 2013 in Belawan Watershed Headwaters. This research used Purpossive Random Sampling methods. There were 2 stations, Station 1: Pertampilen village, District Pancur Batu as an active area of sand dredging activities, Station 2: Salam Tani village, District Pancur Batu as areas which were far away from the sand dredging activities. Sampling activities were conducted 4 times once/month. The research aimed to knew water quality and determined the abundance of plankton in Belawan Watershed Headwaters.The results showed that at the station I, there were found 19 genera of phytoplankton and 1 genera of zooplankton and at the station II, there were only found 17 genera of phytoplankton. Plankton abundance at the station I was 85, 404 ind/l and at station II was 128,684 ind/l. Water quality at the station I had passed the thresholds as water quality raw materials, such as ammonia and nitrite. Turbidity also have very high at station I. This research showed that the sand dredging activity affected the abudance of plankton in the river.Keywords: Water Quality, Sand Dredging, Plankton, River
Produktivitas Primer Perifiton di Sungai Naborsahan Sumatera Utara Betzy Victor Telaumbanua; Ternala Alexander Barus; Ani Suryanti
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The aimed of this research is to know diversity and abundance of periphytonand to know the primary productivity of periphyton in the Naborsahan River.Water quality parameters measured were temperature, current, dissolved oxygen(DO), nitrate, orthophosphate and abundance of periphyton. The observationswere made four times in two the research station. Sample taking carried is threetime repetition on each station. Based on the result obtained the periphytondiversity ranged from 2.903 to 2.971, the abundance of periphyton ranged from79.02 to 329.76 ind/cm2 and periphyton primary productivity value ranged from57.140 to 571.405 mgC/m3/day.Keywords: periphyton, primary productivity, Naborsahan River
STUDI ASPEK REPRODUKSI IKAN BAUNG (Mystus nemurus Cuvier Valenciennes) DI SUNGAI BINGAI KOTA BINJAI PROVINSI SUMATERA UTARA Vindy Rilani Manurung; Yunasfi Djayus; Desrita Desrita
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Baung fish (Mystus nemurus CV) is a fish of high economic value. Thepurpose of research to reproductive aspects (sex ratio, gonad maturity level (TKG),gonad maturity index (IKG), first time size mature gonad, fecundity and eggdiameter). The study was conducted from March to May 2013 at three locations . Themethod used descriptive analytic .Sex ratio of Baung fish with unbalanced sex ratio with a value of 4.5>3.8.Gonad maturity level (TKG) found I- IV, while the male fish only I- III. gonadmaturity index (IKG) female fish 0.01-7.33% and 0.01-0.26% for male fish . The firstgonad size mature female fish is 268 mm . Fecundity of Baung fish is 18229-44 392eggs . Distribution diameter on the distribution of fish eggs female 0.38 to 2.05 mm.Keyword : Baung fish, Bingai river, Fish reproduction, Mystus nemurus CV.
Struktur Komunitas Ikan di Sungai Naborsahan Danau Toba Sumatera Utara Putri Ananda Tarigan; Yunasfi Djayus; Ani Suryanti
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research was conducted in Naborsahan River, North Sumatera in April-June 2013. It was aimed to know water quality in Naborsahan River, fish community structure and the relationship between community structure and physical and chemical factors of water. A survey method was conducted using Purpose Random Sampling in 4 stations. The obtained data were principal component Analysis (PCA) and analyzed descriptively.This research obtained 8 families, 9 genus, 10 species and 10745 individual fish. Highest relative abundance was fish species Bilih of 98.83%, while the lowest was goldfish and Sword Platy fish is 0.016%. Diversity index, fish uniformity index obtained,dominance index and index of similarity ranged from 0.08–0.73, 0.04-0.53, 0.59 - 0.98 and 50% - 89%, respectively. Temperature, current velocity, depth, brightness, pH, dissolved oxygen, biochemical oxygen demand, phosphate, nitrite, nitrate and turbidity varied between 22-25oC, 0.24-0.44 m/s, 0.62-0.79, 0.45-0.76, 6.75-7.9, 7.1-10.9 mg/l, 2.22-8.06 mg/l, 0.003-0.005 mg/l, 0.424-0.584 mg/l, 0.039-0.059 mg/l and 4.207-16.617 NTU, respectively. The results of PCA showed that temperature, depth, brightness, pH, DO and BOD5 are highly correlated with community structure. While flow, turbidity, nitrate, nitrite and phosphate are the lowest correlating factor of community structure.Keywords: Diversity, Fish, Water Quality, Naborsahan.
Kondisi Kualitas Air Danau Toba di Kecamatan Haranggaol Horison Kabupaten Simalungun Sumatera Utara Debi Debora Haro; Yunasfi Djayus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Aquaculture of floating net cages system at Lake Toba in particularHaranggaol developed rapidly, As uncontrolled development unit ofculture can cause water quality decreased in Haranggaol, Toba Lake sothat it can pass through water quality standard. This research aim to knowthe level of water pollution in Lake Toba Haranggaol using the STORETand Index Pollution Method then compare it without floating net cages.This research was done in May- July 2013. Sampling method used methodof purposive random sampling. Station was used for research was Station 1at environment of floating net cages and Station 2 at without floating netcages area. Result shown water temperature: 26-28 0C, brightness: 2,8-5,35meter, turbidity: 0,16-7.13 NTU, TSS: 12.36-19.36 mg/l, pH: 7,1-8,3, DO:4,3–6,3 mg/l, BOD: 0,4-1,7 mg/l, COD: 4,42-6,63 mg/l, NH3: 0,115-0,293mg/l, NO3: 0,306-0,814 mg/l, NO2: 0,001-0,015 mg/l, PO4: 0,038-0,188mg/land Colifecal: 8,6–22,2 MPN/100 ml. Based on the results of research therewere some parameters that have passed water quality standard atenvironment of floating net cages was 0,217 mg/l of NH3, 0,578 mg/l of NO3and 0,134 mg/l of PO4, while at without floating net cages area was 0,144mg/l of NH3, 0,401 mg/l of NO3 and 0,056 mg/l of PO4. Based on Storetmethod, both research station categorized into the class C that was middlepolluted. While according to Pollution Index method both research stationcategorized light polluted to middle polluted.`Key words: Colifecal, Floating Net Cages, Water Quality
Skrining Fitokimia Metabolit Sekunder pada Daun Binahong (Anredera cordifolia (Ten.) Steenis) untuk Uji In Vitro Daya Hambat Pertumbuhan Aeromonas hydrophila Prita Yulianti Anasta br G; Mohammad Basyuni; Indra Lesmana
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Binahong leaves are one of natural product to be used to treat the diseaseof living organisme due to having secondary metabolite to show antibacterialactivity. The purpose of this research was to study secondary metabolite ofBinahong leaves of which showing antibacterial, to analysis effectivity ofantibacterial Binahong leaves extract to inhibit growth of bacteria Aeromonashydrophila. An experimental laboratory with six treatments and three replicationsfor in vitro was tested. A paper disc soaked in a solution of Binahong leavesextract was used for in vitro at a concentration of 0% (w/v); 0,2%; 0,4%; 0,6%;0,8%; positive control (Oxytetracycline). In vitro test showed that Binahongleaves extract inhibited the growth of bacteria A. hydrophila with a inhibitionarea around the paper disc. Diameter Inhibition area that formed was 0 mm ( 0 %negative control ), 8.4 mm (0.2 %), 9.4 mm (0.4 %), 10.5 mm (0.6 % ) ; 11 , 9 mm(0.8 % ), 27.5 mm (positive control). The increase concentration of Binahongleaves extract enhanced the growth inhibition area. Phytochemical screening ofBinahong leaves extract showed that the extracts contained flavonoid, phenol,saponin, alkaloid, steroid/triterpenoid.Keywords : Binahong leaves, Aeromonas hydrophila, flavonoid, phenol, saponin,alkaloid, triterpenoid, β –sitosterol

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