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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 350 Documents
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PERTUMBUHAN DAN LAJU EKSPLOITASI UDANG KELONG (Penaeus merguiensis) DI PERAIRAN KABUPATEN LANGKAT SUMATERA UTARA The Growth and Exploitation Rates of Kelong Shrimp (Penaeus merguiensis) in Langkat District, North Sumatera Green Alfath Siregar; Yunasfi Djayus; Ani Suryanti
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The samples of Kelong shrimps are 1758 which consist of 654 male shrimps and 1104 female shrimps. The growth pattern of Kelong Shrimps is negative allometric. The frequency distribution of the carapace length of Kelong Shrimps is in the range of 13.07-39.68 mm, the size group which is dominating the male Kelong Shrimps and female Kelong Shrimps is 24.57-25.88. The assumption of the Von Bertalanffy growth parameter of male Kelong Shrimps L∞ is 36.30 mm with K=0.5 per year, the assumption of the value of female Kelong shrimps L∞ is 41.91 mm with K=0.62 per year. The rates of the natural mortality (M) is 1.161 per year. The mortality caused by the arrest (F) is 1.365 per year show the exploitation rates is 0.54. The value E which is obtained, is showing the indication overfishing of Kelong Shrimps. The comparison of male and female Kelong shrimps is 1:1.688. The value of the condition factor which shows that Kelong Shrimps have the body shape which is flat (thin).Keywords: Growth, exploitation rates, Penaeus merguiensis, Langkat
The Ecological Condition of Mangrove in Bali Beach, Mesjid Lama Village, Talawi Sub District, Batu Bara District, North Sumatera Province. Ofi Sabrina Sitompul; Yunasfi Djayus; Ahmad Muhtadi Rangkuti
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mangrove is the living plant community between the sea and the land that was influenced by the tides. Bali beach in Mesjid Lama village, Batu Bara Regency of North Sumatera Province has an area of mangrove forest about 637,22 ha. Bali beach still has a natural mangrove ecosystem. But, the coastal has long been used by the local community as a source of livelihood especially mangrove forest logging. This research was aimed to know the ecological condition of mangrove forest and condition of the mangrove waters. This research is done in March 2014 to Mei 2014. This research is done with a purposive sampling method by taking and observing of biotic components which was mangrove vegetation and the measurement of water quality parameters. There are 10 kinds of mangrove which found in the research location, namely Aegiceras corniculatum, Avicennia lanata, A. marina, A. officinalis, Bruguiera cylindrica, B. sexangula, Ceriops tagal, Excoecaria agallocha, Rhizophora mucronata and R. stylosa. Kinds of mangrove substrate at this research is clay, loam and silty loam. The biggest diversity index is in the station II.Keywords : mangrove, the ecological condition, water quality, Batu Bara District.
IDENTIFIKASI DAN ANALISIS HUBUNGAN PANJANG BOBOT IKAN GELODOK (FAMILI : GOBIIDAE) DI PANTAI BALI DESA MESJID LAMA KECAMATAN TALAWI KABUPATEN BATU BARA PROVINSI SUMATERA UTARA Sabilah Fi Ramadhani; Yunasfi Djayus; Ahmad Muhtadi Rangkuti
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Bali beach is one of the beaches in the Batu Bara, precisely located in the Mesjid Lama Village, Sub-district of Talawi, District of Batu Bara, North Sumatra Province. There is a coastal mangrove forests in this area. Mangrove is a good habitat for mudskipper. The research aims to determine identification and lenght weight analysis of mudskipper. The research was conducted from March until June 2014. The Method of the research is purposive sampling. For fishing example, the stations or area was used consisted of three transects of which are with beaches, mangroves, and rivers. There are four types of fish can be found in those areas, which are Periophthalmus chrysospilos, Periophthalmus gracilis, Boleophthalmus boddarti and Periophthalmonodon schlosseri. If we sorted that length weight relationship were 3.26 cm, 0.91 cm, 3.06 cm, and 3.01 cm.Keywords: Bali Beach, identification, length weight relationship, Mudskipper.
KAJIAN KESESUAIAN EKOWISATA MANGROVE DI PANTAI BALI DESA MESJID LAMA KECAMATAN TALAWI KABUPATEN BATU BARA PROVINSI SUMATERA UTARA Pesta Saulina Sitohang; Yunasfi Djayus; Ahmad Muhtadi Rangkuti
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Bali Beach is a located in Batu Bara with an area of approximately 637.22 ha which is a coastal area about 30.6% of the total area.This study aims to determine the potential of mangrove ecosystem for ecotourism, calculate the suitability and mangrove ecotourism carrying capacity. This research was conducted in March to April 2014. Research method used was Purposive Sampling for potential mangrove. Using three stations consisted of the first station (located at the eastern area of Bali Beach), second station (located at the middle area of Bali Beach), and the third station (located at the west coast of Bali Beach). The mangrove species found are: Excoecaria agallocha, Avicennia marina, A.lanata, Bruguiera sexangula, B.cylindrica, Rhizophora mucronata, Aegiceras corniculatum, A.Officinalis, R. stylosa, Ceriops tagal with a population density values exceeding 1000 trees / ha. Suitability index tour of mangrove is 69,23%at the first station is with under unconditional category, and at the second station and third station are 94,87% with suitability category. The carrying capacity (DDK) at first station is 12 persons/day, 37 persons/day at second station and 16 persons/day at third station.Keywords : Ecotourism, Mangrove, Bali Beach
IDENTIFIKASI ALAT TANGKAP IKAN RAMAH LINGKUNGAN DI DESA BAGAN ASAHAN KECAMATAN TANJUNG BALAI (Identification of environmentally fishing gear in Bagan Asahan Village, sub-district Tanjung Balai) Aznia Marlina Sima; Yunasfi Djayus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

District Asahan has a large fishery resources. This is supported by the District Asahan shoreline reach to ± 58 km. Bagan Asahan Village sub-district of Tanjung Balai is located at the mouth of the Asahan river directly opposite with the Strait of Malacca. Fisherman from Bagan Asahan Village cath fisher by using gears. The most widely fishing gears were gill net, bottom gill net, longline, fishing rod, and traps (bubu). The purpose of this research was to identify fishing gear, included in the category of environmentally friendly or not and to find out the production of the fishing gear.Fishing gear used by fisherman of Bagan Asahan Village sub-district Tanjung Balai including a very environmentally friendly fishing gear and environmentally friendly. The result of research showed gill net fishing gear and fishing rod that very environmentally friendly while the bottom gill net, longline, and traps including gear type of environmentally friendly. Production result were obtained each gearas follows. Gill net was 509.7 kg/, bottom gill net was 1469.2 kg/month, longline and fishing grod was 404.89 kg/month and traps (bubu) was 959.6 kg/month.Keywords : Bagan Asahan Village, Fishing gears, Yield obtained.
KAJIAN UNIT PENANGKAPAN PURSE SEINE DI PELABUHAN PERIKANAN SAMUDERA BELAWAN (Catching Unit Studies of Purse Seine in Ocean Fishing Port of Belawan) Fitria Ismy; Budi Utomo; Zulham Apandy Harahap
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Indonesia is rich in fishery resources, but currently most exploited , one of them with the use of fishing gear in the water . For that a study has been carried out in the ocean fishing port of Belawan in July-September 2013, based on the statistical data of the ocean fishing port of Belawan and observing the purse seine and how to use it by doing an interview with purse seine fishermen . The use of purse seine fishing gear in Belawan is the highest compared to the four other types of fishing gear, to the author wants to see a business analysis of purse seine fishing gear . The method used was cluster sampling, sampling of primary data with formulas and Morgan Krejcek test samples taken 381 test samples totaling the number of 5000 population. Secondary data obtained from ocean fishing port of Belawan. Analysis of the data to calculate the catch per unit effort ( CPUE ) and business analysis. The result shows that the use of purse seine vessels is one that does not damage the ocean because of its use that much a few miles towards the sea and do not damage fish habitats. The analysis also shows that the using of purse seine fishing also more profit, the catching fishes are type of pelagic fish and do not too excessive.Key words : fishery resources, ocean fishing port of Belawan, Purse Seine.
UJI TOKSISITAS DETERJEN CAIR TERHADAP IKAN MAS (Cyprinus carpio L.) Liquid Detergent Toxycity Test Againts of Cyprinus carpio L. Siti Devi Permata Sari Lubis; Budi Utomo; Riri Ezraneti
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Liquid detergent is one of the waste that goes into the aquatic continuously. Liquid detergent containing alkyl benzene sulphonate which are difficult to decompose in the waters and can beharmful to aquatic oraganism. This study aims to determine the toxic effects caused by liquid detergen, with preliminary, and definitive test in: 0 ppm, 17.78 ppm, 31.62 ppm, 56.23 ppm, 100 ppm concentrations of liquid detergent. 700 of fish seeds Cyprinus carpio L. was used, with size of 5 - 6. Data were analyzed by the method of Hubbert. These results indicated that the liquid detergent had the fish toxicant and high detergent concentrations increased the toxicity. The concentration of liquid detergent for LC 50 96 was 44,66 ppm. This solution of liquid detergent at 44,66 ppm killed test by 50% in 96 hours. High detergent concentration in biota reduced the dysolved oxygen and increased temperature, which both environmental factors might cause the death of fish in the waters.Keywords: Cyprinus carpio L, liquid detergent, toxicity.
PENGARUH PADAT PENEBARAN TERHADAP KELANGSUNGAN HIDUP DAN PERTUMBUHAN IKAN NILA GESIT (Oreochromis niloticus) The influence of stocking density into Nila Gesit (Orechromis niloticus) survival and growth. Frizca Junelda Karlyssa; Irwanmay Irwanmay; Rusdi Leidonald
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The efficiency of freshwater resources utilization is need to improve in order to increase the production. The purpose of this research is to determine the stocking density of seeds that able to increase Nila growth and survive ability. This research used Nila Gesit with average length in 3,44 cm and average weight in 0,86 gram. Nila gesit was kept in aquarium sized 60 cm x 30 cm x 30 cm, fill with 32 L of water. The research design is complete random plan with 3 treatment and 3 repeatable. The treatment of stocking density are 2 seed/l, 4 seed/l, and 6 seed/l. The results during 28 days are : the highest value 2 seed/l of survival rate (78,65 %), the value of daily growth (3,12 %), and the value of absolute growth (1,07 cm). The result for highest feed conversion in found treatment 3 (6 seed/l) is 4,29. The result has shown that difference of density stock is very significantly affecting rate of daily growth and absolute growth. While degree of survival rate and feed conversion on this research hasn't affected the stocking density. Chemical factor of water quality during the research are : DO (disolved oxygen) 2,8 – 4,9 mg/l, pH 7,1 – 8,6, temperature 26,7 -28,2.Keywords : stocking density, nila gesit, survive rate, growth.
PENGARUH LIMBAH CAIR INDUSTRI TAHU TERHADAP KUALITAS AIR SUNGAI BABURA KECAMATAN MEDAN POLONIA (The Disposal Effect of The Waste Water of Tofu Factory to Water Quality Of The Babura River Medan Polonia District) Sharah Dina; Ternala Alexander Barus; Maragunung Dalimunthe
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Babura River is one of the three river in Medan.Where this river is already contaminated which is caused by the plastic product disposal, disposal of household waste that flowed trough the trenches, and also the disposal of the waste water of the tofu industry. The purpose of this research is to know more regarding how far the effect of the disposal of the waste water of the tofu industry to the quality of Babura River. This research was conducted in August until September 2013 with determining 3 stations. Which every stations divided into three point for water sampling which is taken 100 m from every station. The physic and chemical parameter that is taken for observed are temperature, brightness of the water, Colour, Turbidity, TSS,TDS,DO, BOD, COD, Nitrate, Phosphate and pH.Based on the result of the research using the storet methode we got total score of the each stations in the amount of -29 in the station 1, -22 in the station 2 and -30 in the stations 3 based on the result we can conclude that the contaminations level from the three stations is categorized as c class contaminations which is contaminated with score -11 up to -30.Keywords: Babura river, Storet methods, waste water from tofu industry
ANALISIS POLA HIDUP KONSUMTIF MASYARAKAT NELAYAN DI KECAMATAN PANAI HILIR KABUPATEN LABUHANBATU (Analysis Consumtive Lifestyle of Fishermen Communities in the District of Panai Hilir, Labuhanbatu Regency) Nina Safriyanti; Pindi Patana; Indra Lesmana
AQUACOASTMARINE Vol 2, No 3 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 3, DESEMBER 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This study aims to determine consumptive lifestyle of fishermen communities in District of Panai Hilir, Labuhanbatu Regency, Province of North Sumatra it also determined factors that cause consumptive behaviour and problem solving to analyze the methods to prevent consumtive behaviour. Total population of fishermen communities in Panai Hilir district are 2433 people and sample were determined to 100 persons by using purposive sampling. Data was collected through interviewing, documentation, observation and questionnaires. The conclusion of that study shows that more than 70% of fishermen communities in the district of Panai Hilir had consumptive lifestyle. Their consumptive lifestyles were like impulsive buying and non-rational buying. It occured due of low education level in fishermen communities. Most of the fishermen communities in the district of Panai Hilir are in the productive age, increasing number of average revenue in the district Panai Hilir, and access of information from highly technology communication devices. Consumptive lifestyle like this can be changed by improve the education of fishing communities, giving regulary counseling of financial managemet, avoiding and fortify themselves against the new product from the advertisements in electronic media and print media.Keywords : Fishermen Communities , Lifestyle , Consumtive , Consumtive type

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