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Aquacoastmarine
Published by Universitas Sumatera Utara
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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 350 Documents
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Pengaruh Hutan Mangrove Terhadap Produksi Udang Windu (Penaeus monodon) Pada Tambak Silvofishery di Desa Tanjung Ibus Kecamatan Secanggang Kabupaten Langkat ZAINURI SYAM; Yunasfi Djayus; MARAGUNUNG DALIMUNTHE
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The purpose of this research was to determine the effect of mangrove forests with different densities to the production of tiger shrimp and the factor effect were production of tiger shrimp in silvofishery pond. This study conducted in silvofishery pond in Tanjung Ibus village, Sub-district Secanggang, District of Langkat on Mei untilt October 2013, by using 2 research stations. Pond 1 was a pond with high density, and pond 2 was a pond with low density. Mangrove vegetation analysis has been done by measuring the density of seedlings, saplings and tree in each research station. Water quality and plankton sampling performed at each pond in 2 station at the inlet and the center of the pond. Sampling has been done 4 times, when the fry will bes tocked, two-month preservation period, four-month preservation period and five-month preservation period. tiger shrimp production data obtained from direct observations during the harvesting process. Mangrove density in ponds 1 for seedlings was 202 ind/ha, saplings 111 ind/ha, and tree level 958 ind/ha. Mangrove density in ponds 2 for seedlings was 56 ind/ha, saplings 272 ind/ha, and tree level 47 ind/ha. The water quality in pond 1 in general of the criteria for the aquaculture tiger shrimp be based on The Decision Minister of Marine and Fisheries No : 28 in 2004. Abundance of plankton in the pond 2 was higher than the pond 1. Tiger shrimp production in pond 1 was 42 kg, and in pond 2 was 29 kg.Keyword : Mangrove, Plankton, Silvofishery, Tiger shrimp, Water quality.
KEANEKARAGAMAN MAKROZOOBENTOS DI DANAU TOBA DESA HARANGGAOL KECAMATAN HARANGGAOL HORISAN KABUPATEN SIMALUNGUN Ariance Nurdaya Sitanggang; Hasan Sitorus; Riri Ezraneti
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The aims of study were to determine the diversity of macrozoobenthos and to analize the relationship of water quality parameters (temperature, pH, DO, BOD5) to diversity index of macrozoobenthos in Lake Toba , Village Haranggaol, Haranggaol Horisan Subdistrict, Simalungun District. Observations had been carried out three times in three locations, and each location sampling was conducted three replications. Regression analysis was used to determine the correlation of water quality parameters to diversity index of macrozoobenthos. Based on the research obtained that macrozoobenthos diversity index ranged from 1.53 to 1.90, uniformity index ranged from 0.82 to 0.95, the population density ranges from 332 to 645 ind/m2 and relative density ranged from 99.95 to 99.98 %. Regression analysis showed that the correlation coefficient (R) of 0.710 indicates that the relationship between water quality against the relatively strong macrozoobenthos diversity index and the coefficient of determination (R2) obtained at 0.505.Keywords: Diversity, Lake Toba, Macrozoobenthos.
DETEKSI PENYEBARAN BAKTERI Aeromonas hydrophilla PADA IKAN LELE DUMBO (Clarias gariepinus) DI KECAMATAN MEDAN TUNTUNGAN Rahmad Hidayat; Pindi Patana; Indra Lesmana
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Aquaculture of Catfish has several advantages, such as rapid growth, high ability to adapt in environmental, and high nutritional content. Nowdays, most of the African catfish aquaculture used intensive farming systems. One of important factor for catfish aquaculture pests and diseases. Disease problems are usually a major obstacle because it can harm aquaculture such as total mortality, productivity and in water quality. One of the diseases that often attack the catfish is A. hydrophila bacterium. This research had been conducted on September – November 2013. This reseach intend to identify and determine spreading of the bacterium A. hydrophila in catfish especially in Medan Tuntungan Sub-district. This research used sampling method, bacterial diagnosis and identification of bacteria. The result showed, from 90 isolates, 19 of them infected by A. Hidrophila bacteria, that was 7 species in pond I, 0 species in pond II, 7 species in pond III, 3 Species in pond IV, 2 species in pond V.Keyword : Cathfish (Clarias batrachus), Bacteria Identify, Types of Bacterias, Aeromonas hydrophila Bacterium.
KEANEKARAGAMAN DAN KELIMPAHAN PERIFITON DI PERAIRAN SUNGAI DELI SUMATERA UTARA Susanti Lawati Barus; Yunasfi Djayus; Ani Suryanti
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research aims to know the abundance and diversity level of periphyton and to determine the pollution Deli river, in terms of periphyton diversity and water quality. Physical-chemical, and biological observed parameter that were temperature, current, brightness, pH, TDS, TSS, BOD5, DO, nitrate, Phosphate, Fe, diversity and abundance of periphyton. Sampling was done three times at the five observation station, that each station is divided into three spots (before, during and after the sewage outlet). Diversity index periphyton (H') ranged from 0,803 until 1,195 ind/cm2, abundance ranged from 257.280 until 1.185.280 ind/cm2. The temperature 27 until 30oC, the current range 0,68 until 0,89 m/s, the brightness range 20,50 until 23,50 cm, TDS range 96,50 until 142,03 mg/l TSS 5,33 until 11,33 mg/l, pH range 7,60 until 8,10 mg/l, DO 0,90 until 1,90 mg/l, BOD5 8,99 until 22,50 mg/l, nitrate 1,69 until 3,48 mg/l, Phosphate 0,11 until 0,35 mg/l and Fe 0,20 until 3,78 mg/l. According to the Diversity index (H') and water physical – chemical properties, Deli River is being heavy polluted.Keywords: Periphyton, Diversity, Abundance, Deli River
KOMUNITAS BIVALVIA DAN GASTROPODA DI PANTAI CERMIN SUMATERA UTARA Raissha Amanda Siregar; Yunasfi Djayus; Ani Suryanti
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mirror beach are located in the eastern coast of Sumatra has a variety of activities that affect the water quality, and can changes community of Bivalvia and Gastropoda. Information and understanding of environmental change is indispensable in ecosystem monitoring effort. This research aims to determine the status of the water quality, community of bivalves and gastropods in Cermin Beach,North Sumatera. This research had been conducted on June to July 2013 in Cermin Beach, Serdang Bedagai District, North Sumatera. There are three stations observed, station 1 : Tourism activities area; 2 : the mangroves area; 3 : estuary area. There are three sampling in 2 months. There are 11 genera from bivalves class and 12 genera from gastropods class. The highest total data in station 1 is 31.140 ind/m3, in station 2 is 15.714 ind/m3 and station 3 is 86.341 ind/m3. From the highest total data in three stations showed diversity criteria, the spread of the number of individuals and community stability classified as moderate. Eveneses index in three stations still moderate, eveneses values is 0,3 and 0,4. Dominance index value showed 0,23, 0,18, and 0,15 for three stations. It means, there is no type that dominate. Dispersion pattern showed clumped and uniform pattern.Keyword : Cermin Beach, Bivalves and Gastropods
KEANEKARAGAMAN PLANKTON DI PERAIRAN SUNGAI ASAHAN SUMATERA UTARA (Diversity Plankton in Asahan River North Sumatera) Hapiz Fahrezi Hsb; Miswar Budi Mulya; Rusdi Leidonald
AQUACOASTMARINE Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Plankton is aquatic organism that flying and its moves within the water current. Plankton is classified into phytoplankton (classified as plant) and zooplankton (classified as animal). The present of plankton in the water is determined by the physic and chemical condition of the water. Plankton has a limitation to tolerate the environment parameter so, its diversity is different depend on physical and chemical conditions. This research was conducted during April to May of 2013. The sample was taken from four observation stations 4 repetitions. Using Purposive Random Sampling with method. The result of research indicates thast there are 7 class of phytoplankton,they are : Bacillariophyceae, Chlorophyceae, Conjugatophyceae, Coscinodiscophyceae, Cyanophyceae, Eulenophyceae, Ulvophyceae and 12 class of zooplankton, they are : Branchiopoda, Cladocera, Clitellata, Copepoda Crustaceae, Filosia, Gastropoda, Lobosea, Monogonta, Oligotricheae Tubulinea, and Turbellaria The highest total number of plankton is found in station 4 (2043,707 ind/l) and the lowest total number of plankton isfound on station 3 (1519,707 ind/l). The highest diversity index value (H'-) for each station is found onstation 3 (1,206) and the lowest on station 4 (0,929). The Pearson correlation of analysis indicates the current, BOD5, phosphate and nitrate have positive correlation to diversity of plankton while temperature, brightness, DO and pH have negative correlation to diversity of plankton.Keywords : Plankton, Asahan River, Diversity.
Efektivitas Ekstrak Beberapa Tanaman Herbal terhadap Infeksi Ektoparasit pada Ikan Nila (Oreochromis niloticus) The effectiveness of Herbal Plant Extract to Infection of Ectoparasites on Tilapia (Oreochromis niloticus) Desita Sari Br Ginting; Yunasfi Djayus; Nurmatias Nurmatias
AQUACOASTMARINE Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The main problem of Aquaculture is the diseases on the fish. Besides environmentally unfriendly, the using of chemicals as drugs against the diseasesalso producesthe new strain of the disease . The purpose ofthis study were to determine the effectiveness of using the extracts of garlic (Allium sativum), betel leafs (Piper betle), and papaya leafs (Carica papaya) against ectoparasites that infected thetilapia (Oreochromis niloticus) and to determine the immunity of some ectoparasites against each treatment. The methods used was experimental and observation by directly observing the occurrence or incidence of ectoparasites. Water quality parameters measured include temperature and degree of acidity ( pH ). The study was done for 45 days. Analisa Sidik Ragam used to determine the effect of each extract against ectoparasites on tilapia ( Oreochromis niloticus).The studyshowed that the papaya leaf (Carica papaya) has the best effectiveness in reducing the attack of ectoparasites on tilapia (Oreochromis niloticus) compared to garlic (Allium sativum) and betel leaf (Piper betle). The study also showed 12 kinds of ectoparasites that attacked the tilapia (Oreochromis niloticus). The highest incidence values found in the control, and then feed that mixed with garlic, then mixed with betel leafs and the lowest was the feed that mixed with papaya leafs.Keywords: Garlic, Betel Leafs, Papaya Leafs, Tilapia
KANDUNGAN LOGAM BERAT TIMBAL (Pb) PADA AIR, SEDIMEN, DAN KERANG DARAH (Anadara granosa) DI PANTAI BELAWAN, PROVINSI SUMATERA UTARA (The contents of lead in Water, Sediment, and Blood Cockle on the Beach in Belawan, North Sumatra province) Aryalan Ginting; Pindi Patana; Nurmatias Nurmatias
AQUACOASTMARINE Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Metals and the other minerals are commonly found in fresh water and sea water, although the amount is very limited. The heavy metals which come into the waters will pollute the sea. One suspected of marine life will be affected due to degradation of water and sediment in coastal environments is shellfish. The aims of this study are to calculate the number of lead concentrations in the water, sediment, and blood cockle (Anadara Granosa) and to analyzed the correlation between lead consentration in water, sediment, and shellfish.This study was conducted in June-August 2013 in Belawan Beach, Bagan Deli Village, District of Medan Belawan, North Sumatra Province. The number of point stations observed were three stations. Parameters measured were water physico-chemical parameters and the concentrations of lead in the water column, sediment, and blood cockle then analyzed by using atomic absorption spectrophotometer (AAS).The results of research on water showed the lead concentration is about 0.64 to 0.91 mg / L. while lead concentration in sediments ranged from 60.78 to 71.56 and lead concentration in mussels is abut 10.48 to 12.03 mg / kg. These results indicate that water, sediment, and shellfish have been contaminated by lead in Belawan Beach.Keywords : Blood cockle, Heavy metals , Lead.
STUDI POTENSI EKOWISATA MANGROVE DI KUALA LANGSA PROVINSI ACEH (Study of Ecotourism Mangrove Potency At Kuala Langsa, Province of Aceh) Arief Baizuri Majid; Pindi Patana; Indra Lesmana
AQUACOASTMARINE Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mangrove ecosystem at Kuala Langsa has been used as one of the tourist area which offer tourism to get closer to nature. At this area had built shelters in the middle of the mangrove forest. Futhermore, there are rivers used as a fishing area, and mangrove forests which still inhabited by monkeys makes potentially used as a mangrove ecotourism.This study was conducted in June until July 2013 and held at mangrove areas of Kuala Langsa at District of West Langsa, Langsa, Province of Aceh. This research using analysis vegetation of the mangroves, tourism suitability analysis, analysis of ecotourism attraction, analysis of the economic value and SWOT analysis.Kuala Langsa mangrove ecosystem inhabited by 5 species are Rhizophora apiculata, Rhizophora mucronata, Xylocarpus granatum, Brugueira gymnorrhiza, Scyphipora hydrohyllaceae. Greatest density of mangrove species is Rhizophora apiculata. Index of ecological suitability for tourism activities in the mangrove Kuala Langsa included into the category corresponding conditional. This category has the limiting factor which shows that to make this site as the location for ecotourism, protection of mangrove ecosystem in order to balance and prevent biodegradation of mangrove that cause damage is important thing to do.Keywords : Ecotourism, Kuala Langsa, Mangrove, Potency.
KUALITAS AIR SUNGAI BELAWAN DI DESA LALANG KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA (Belawan River Water Quality in Lalang Village Deli Serdang Regency of North Sumatera) Irma Shinta Roulia; Ternala Alexander Barus; Riri Ezraneti
AQUACOASTMARINE Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Belawan River in Lalang Village is the river that contained domestic and market activity. The existence of dumping waste into rivers affecting water quality straight with the level of pollution generated. This study aims to determine the water quality of Belawan river in Lalang Village based on physic, chemical, and biology (makroozoobenthos) parameters. Physic and chemical parameters were analyzed by Storet method, while biological parameters (macrozoobenthos) were analyzed by Abudance and Biomass Comparison (ABC) curve. The study was conducted in January to February 2014. The method used Purposive Random Sampling. Stations are used Station 1 (control), station II (domestic activity), and station III (market activity). Physic and chemical parameters is temperature 26.33 − 29.00 °C, turbidity (TSS) 8.79 − 12.99 mg/L, DO 4.37 − 6.57 mg/L, pH 5.17 − 6.43, BOD 0.52 − 0.64 mg/L, nitrate 0.65 − 0.87 mg/L, phosphate 0.11 − 0.13 mg/L, abudance and biomass of makroozoobenthos: 0 − 88% and 0 − 87%. Based on physical and chemical parameters of water, the station I had score 0 which indicates the water quality is satisfying the quality standard (class I), whereas station II and III had score -10 which indicates water quality is mild contaminated (class II). Biological parameter (makroozoobenthos) produce overlapping curves that show the quality water is medium at each station.Keywords : Belawan River, Lalang Village, Macrozoobenthos, Water Quality

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