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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 15 Documents
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Search results for , issue "Vol 2, No 2 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 2, DESEMBER 2014" : 15 Documents clear
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
KANDUNGAN LOGAM Pb DI SUNGAI DELI PROVINSI SUMATERA UTARA (The content of Pb metal in Deli River, North Sumatera Province) Paulus Surbakti; Pindi Patana; 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

Water is a natural resources that supplies the needs of many peoples life, so it certainly to be protected for human and other living organisms. Industrialization and rapid population growth, had a negative impact on the quality and the existence of natural resources and the environment, such as pollution of heavy metal. This research aims to analyze the content of Pb in the middle and lower Deli watershed and to determine the Deli water quality based on water quality standards.This study was conducted on July until August 2013 at Deli watershed of North Sumatra province. The number of point observed station are 4 stations . The aquatic parameters measured were physic and chemistry, concentrations of heavy metals Pb and Cu in the water column using Atomic Absorption Spectrophotometry ( AAS ) .The results showed Pb concentrations ranged from 0.079- 0.408 mg/l. This result shows that heavy metal of Pb in Deli watershed has exceeded the quality standard.Keywords : heavy metals Pb
Pengaruh Beberapa Jenis Pakan Terhadap Pertumbuhan Populasi Brachionus spp The Effect of Some Types of Food to Brachionus spp Population Growth Henny Fitriani S; Darma Bakti; 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

Natural food that has a high protein content, easily digestible and small sized could be found in Rotifers genus Brachionus. However, due to the complication of cultivating, it has low rate production. The purpose of this research was to identify appropriate food and to idenfity maximum time of rotifer’s growth The methods used experimental and observation by directly observing the population growth of Brachionus spp. The experiment using a Completely Randomize Design with 4 treatment and 3 repetition. Four treatments include A (Brachionus spp + phytoplankton), B (Brachionus spp + soya bean production waste), C (Brachionus spp + baker”s yeast), dan D (Brachionus spp + vitamin B-Complex).The result showed that there were different population of Brachionus spp to each treatment. The highest population could be found in the soya bean production waste with population value 201x104 ind/ml. The highest population was reached in the eighth day. It revealed that Branchionus spp with high value could be produced in the soya bean production waste and the optimum time was in the eighth day after the spreading.Keywords: Brachionus spp, Population Growth, Soya Bean Production
UJI TOKSISITAS PELEMBUT PAKAIAN TERHADAP BENIH IKAN MAS (Cyprinus carpio L.) Fabric Softener Toxicity Test Against Goldfish Seed (Cyprinus carpio L.) Shusi Novita Siregar; Irwanmay Irwanmay; 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

Solution of fabric softener contained cationic surfactant by type quaternary ammonium chloride compounds that harm aquatic life and the environment led to the death of fish. This reaserch intend to determine the level of attack power and influence of fabric softener toxicity to carp seed, this research was conducted on July − November 2013 in the Department of Agriculture and Marine Medan. Stages of testing include : a preliminary test, a definitive test to determine the LC50 until 96 hours and sublethal tests with various concentrations. The results showed of the preliminary test studies have upper threshold value ( N ) of 100 ppm and below the threshold value ( n ) 75 ppm. Test results obtained definitive 96 hour LC50 value of 87.10 ppm. The test results on the highest survival sublethal concentration of 2.61 ppm treatment that is equal to 80 % while the lowest survival at 7.84 ppm concentration and 46.66 %, the highest feed efficiency at treatment concentrations of 2.61 ppm is equal to 4.98 % and the lowest in the treatment of 1.55 % 7.84, and the highest growth rate in the treatment concentration of 2.61 ppm is 0.15 % while the lowest at treatment concentrations of 7.84 ppm at 0.05%. Water quality parameters were observed during the definitive test decreased DO 2.0 − 6.4 mg / l, the temperature increased 27.1 − 30.20C and pH decrease during each treatment concentration of 3 − 6.6 . Water quality parameters at sublethal test that does not decrease drastically DO range 5.2 − 7.6 mg/l, temperature range 27 − 290C and a pH range of 3.4 − 7.5 .Keywords : Fabric Softener, Cyprinus carpio L., toxicity
Uji Toksisitas Akut Limbah Cair Industri Tahu terhadap Ikan Patin (Pangasius sp.) (Acute Toxicity Test of Tofu Industrial Wastewater for Catfish (Pangasius sp.)) Parlinggoman Sianturi; Miswar Budi Mulya; 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

Tofu industry is an industry that has grown rapidly in the society. Most of the tofu industry drain directly wastewater into the water. Changes in chemical and physic parameters of water will disrupt the organism life in it, one of the types of organisms is catfish (Pangasius sp.). Toxicity tests are used to determine the status of tofu industrial wastewater for the mortality rate of catfish. Therefore, the required value of Lethal Concentration (LC50) 96 hours which is the concentration that causes 50% of test animals died within 96 hours of exposure time. This study aims to determine the LC50 value of tofu industrial wastewater for the catfish and the concentration effect of tofu industrial wastewater for the mortality rate of catfish. The study was conducted from February until March 2014. Research procedures include preliminary testing, toxicity testing, and probit analysis. Toxicity testing of tofu industrial wastewater for catfish mortality rate in treatment concentration 2.29% kill 36.67% of the fish, 2.63% kill 46.67% of the fish, 3.02% kill 50.00% of the fish, 3.47% kill 56.67% of the fish, and 3.98 % kill 63.33% of the fish. The investigations showed results that LC50 value for 96 hours of tofu industrial wastewater to the catfish (Pangasius sp.) is 28839.93 ppm (2.88%).Keywords : Catfish, LC50, Tofu Industry, Wastewater
ANALISIS KONVERSI HUTAN MANGROVE DI KECAMATAN GEBANG KABUPATEN LANGKAT (Conversion Analysis of Mangrove in District Gebang, Langkat) Rika Wirani; Yunasfi Djayus; Zulham Apandy Harahap
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 is continuously under pressure due to various human activities. Lack of understanding about the importance of mangrove ecosystems and the increasing of life needs has sparked a mangrove conversion occurs. This research analyzed the conversion of mangrove in the district gebang, langkat from 2003 to 2012 using image of landsat ETM 7+ satellite of 2003 year and 2012 year and its impact to the economic situation of the fisherman. The landuse in district Gebang are ground, mangrove, rice field, pond, plantations, dryland, farming bush, residence, and water. The landuse of mangrove in the district Gebang decreased by 79,96% from 2003 to 2012. Extensive mangrove which have been converted into ponds is 276,96 ha, 1.520,46 ha of plantations, and 313,10 ha of farming bush. The catches of fisherman has decreased into 30,71% and fishing income decreased into 51,37%.Keywords : Land conversion, mangrove, landsat ETM 7+

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