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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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Kajian Bahan Organik Dasar Perairan di Rawa Kongsi Kecamatan Patumbak Kabupaten Deli Serdang Provinsi Sumatera Utara (Study of Bottom Waters Organic Materials at Kongsi Swamp Patumbak District of Deli Serdang Regency, North Sumatra) Ratna Dewi Sinaga; Hesti Wahyuningsih; rusdi leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Organic materials are one of the environment fertility indicator both on land and sea. Ground’s organic matter content reflected the soil and waters quality to be a factor in an environment of waters quality. Kongsi swamp is an inundated inland waters which is used for fishing, farming, agricultural, and household waste disposal that impacted surroundings environment. This study aimed to assess the organic matter content and its relationship with the availability of nitrogen and phosphorus nutrients in Kongsi swamp. The study took place in February – April 2016. The method used to determine the location was purposive sampling which were divided into four stasions based on different activities. Analysis was conducted on substrate with three segments based on different depth include C organic, total nitrogen, total phosphorus, soil texture and pH, physical – chemical water analysis.The result showed that Kongsi swamp waters was in medium category with a total of nitrogen range from 0,05 to 0,56%, highest C organic was 3,9% and highest phosphorus was 27 ppm at the third stasion showed high organic matter content with a lot of Eceng Gondok. Using Pearson correlation analysis, accumulation of organic materials on the bottom waters sediment had a stronger relationship with the nitrogen availability which was very strong compared to the phosphorus availibility in each segment.Keywords : Kongsi Swamp, Organic Material, Nitrogen, Phosphorus Pearson Correlation Analysis
PENGARUH PEMBERIAN ENZIM PAPAIN PADA PAKAN TERHADAP KELANGSUNGAN HIDUP DAN PERTUMBUHAN BENIH IKAN LELE DUMBO (Clarias gariepinus) Effect of Enzyme Papain Giving Within Food Against Survival and Growth on Dumbo Catfish (Clarias gariepinus) Sumarwan Syahputra; Syammaun Usman; Rusdi leidonald
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Intensive Dumbo catfish farming covers the environment, water quality, and feeding. Feeding using the appropriate dose of enzyme papain can determine the growth and survival rate of dumbo catfish. This research aims to know the effect of giving enzyme papain to the catfish and also to determine the amount of enzyme papain which is effective to growth and survival rate of the catfish. This research was conducted from December 2015 - January 2016 in the Laboratory of Aquaculture, Water Resource Management, Faculty of Agriculture, University of North Sumatra. The results showed that the enzyme papain can speed up the length and weight growth of catfish and also increase the survival rate of catfish. The enzyme papain also significantly affects to the growth of length and weight catfish, but it does not have any effect on the survival rate of catfish. The amount of enzyme papain which can effectively affect the length and weight growth of catfish is about 2.5% of the enzyme.Keywords: Catfish, Growth, Cultivation, Survival, Enzyme papain
DISTRIBUSI DAN POLA PERTUMBUHAN UDANG PUTIH Penaeus Merguiensis de Man DI PERAIRAN ESTUARI SUAKA MARGASATWA KARANG GADING SUMATERA UTARA Audya Rahman; Miswar Budi Mulya; Yunasfi Yunasfi
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

White shrimp Penaeus merguiensis de Man belonging to family of Penaeidae and the tribe of Decapoda. White shrimp are found in estuary waters of Karang Gading Wildlife North Sumatra. At the present, data about the presence of white shrimp in the waters of the estuary Wildlife Karang Gading North Sumatra have not been obtained, both of which include the abundance and growth patterns, so it is necessary to study. This study aims to determine the distribution and growth patterns of white shrimp in the waters of the estuary Wildlife Karang Gading North Sumatra. Sampling the white prawns done in May-June 2015 on estuary waters Karang Gading Wildlife North Sumatra use purse seine mini made of nylon material polifilamen, with a length of 10 m and a diameter of 3 m mouth opening. Sampling white shrimp is done every 21 days beginning at 08.00 am - 18.00 pm. At each sampling a one-time withdrawal mini purse seine along the 10 m at each station, so that the possibility of damage to the ecosystem of the study sites can be minimized. White shrimp were obtained at each station calculated the number of individuals, measured carapace length and body weight of shrimp, then performed the analysis includes the abundance, distribution, pattern of growth and condition factor. Measurement of physical-chemical parameters of water which include water temperature, water depth, water clarity, flow velocity, water pH, dissolved oxygen and salinity of water in the field at each station with three repetitions before sampling white shrimp. Especially for BOD5 and substrate fraction measurements performed in Agronomi laboratorium of Agriculture Faculty, North Sumatra University. The study concluded that the distribution of white shrimp in the waters of the estuary Wildlife Karang Gading belongs to the group distribution pattern. The growth pattern of white shrimp at stations 1 and 2 estuary waters of Karang Gading Wildlife Reserve is a positive allometric, while at station 3 is negative allometric. The condition factor of white shrimp in each station morphology have good plumpnessKey words:Distribution, estuary, growth pattern, white shrimp.
STRUKTUR DAN KOMPOSISI VEGETASI MANGROVE DI DUSUN II DESA PULAU SEMBILAN KECAMATAN PANGKALAN SUSU KABUPATEN LANGKAT SUMATERA UTARA Yolanda Rizwany; Yunasfi Yunasfi; Ahmad Mutadi
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mangrove forest ecosystem is a type of forest that are mostly located along the coast or a river that survival is affected by the tide. Ecosystems mangrove in village II of sembilan island has long used surrounding peoples for land aquaculture and firewood. This research aims to determine the structure and composition of mangrove vegetation, water quality, soil pH conditions and the substrate. This research is done in March 2016 till May 2016. The research was conducted sampling analysis of vegetation transect method. Mangrove species found in the research is 27 species of 12 families. Mangrove density value at station I 4700 ind/ha, station II 4767 ind/ha, station III 4067 ind/ha, station IV 4800 ind/ha, station V 3667 ind/ha. Based on living environment minister No. 201/2004, the density of mangrove in village II of Sembilan Island included in the category of very dense (both categories). The quality of physical and chemical water, for the parameters temperature range of 29-30°C, the current velocity 0,045-0,017 m/s, pH of the water 7.03-7.33, salinity 24-26o/oo and soil pH 6,59-7,21. The value is still quite ideal (optimum) for mangrove growth. Mangrove substrate types in this research is loam, clay, sandy clay loam, and sandy clay.Key Words : Mangrove, Sembilan island, Substrate, Water quality
Analisis Finansial Usaha Tambak Kepiting Bakau (Scylla serrata) dan Ikan Kakap Putih (Lates calcarifer) di Kampung Sentosa Barat Lingkungan 20 Kelurahan Sicanang Kecamatan Medan Belawan Dewi Susanty; Pindi Patana; Febrina Arli
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Sicanang Village has a very potential aquacultue to be developed and support the farmer’s welfare. This research aims to analyze the financial value of Mangrove Crab and Seabass. It was held for two months from March to April 2016 in West Sentosa Village Area 20, Sicanang Village, Medan Belawan District. It used slovin formula and purposive sampling method. The result showed Mangrove Crab farming is more profitable for further improvement than Seabass farming which had a various issues and considered less worthy to develop. This is proved on the B/C ratio result of Mangrove Crab is 2.46, meanwhile Seabass only 0.93.Keywords : Financial Analysis, Fishpond, Income, Lates calcarifer, Scylla serrata
PENGUJIAN EFEKTIVITAS EKSTRAK KULIT BATANG Rhizophora mucronata SEBAGAI ANTIBAKTERI UNTUK MENCEGAH INFEKSI BAKTERI Streptoccocus iniae PADA IKAN NILA Satriyadi Satriyadi; Dwi Suryanto; Indra Lesmana
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research was aimed to know the antimicrobial potential of R. mucronata bark extract against S. iniae pathogenic bacteria, determine their toxicity to tilapia (Oreochromis niloticus), as well as determine the effect of immersion bark extract R. mucronata stem against the survival of tilapia fish seeds infected S. iniae bacteria. Extraction is done by maceration single use methanol, ethyl acetate and n-hexane. Tests conducted bacterium S. iniae characteristics and returns the bacterial virulence. Toxicity tested bark extract R.mucronata with a concentration of 0 ppm, 125 ppm, 250 ppm, 375 ppm and 500 ppm, the mortality rate of fish in maing each concentration is 0%, 20%, 56.67%, 86.67%, 100% and obtained LC50 at 195.39 ppm. The extract used to challenge test was R. mucronata bark extract with ethyl acetate solvent. Tilapia were used as much as 350 tails with size 1-2 cm aged 1-2 weeks and infected with the bacterium S. iniae density of 107 CFU / ml by immersion. The test results bark extract R.mucronata rod solvent ethyl acetate that concentration had ability as an antibacterial that was at a concentration of 19.54 ppm with results tilapia fish survival percentage was 100%. Immersion bark extract R.mucronata rods significant (P<0.05) on survival seeds tilapia infected bacteria S. iniae. Calculation of the number of colonies bacteria with methods TPC (Total Plate Count). Reduced the number of bacterial colonies after immersion of the average rate of 3.52 x 104 CFU / ml to 3.38 x102 CFU / ml.Keywords: Extraction, Streptococcus iniae, Rhizophora mucronata, Tilapia, Test toxicity
KONDISI EKOLOGI MANGROVE DI KAMPUNG SENTOSA BARAT KELURAHAN BELAWAN SICANANG KECAMATAN MEDAN BELAWAN (The Ecological Condition of Mangrove in West Sentosa Village, Belawan Sicanang, Medan Belawan District) Ely Ermayani; Yunasfi Djayus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
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. West Sentosa Village still has a natural mangrove ecosystem. But, mangrove in West Sentosa Village has long been used by the local community as a source of livelihood especially mangrove forest logging for aquaculture. This research aimed to know the ecological condition, condition of the mangrove waters and gastropod diversity associated with mangrove vegetation. This research is done in February until April 2016. Methode of the research is Purposive Random Sampling method by taking and observing of biotic components which was mangrove vegetation and density of gastropods and the measurement of water quality parameters. There are 11 kinds of mangrove which found in the research location, namely Acrostichum speciuosum, Avicennia alba, Avicennia marina, Bruguiera sexangula, Excoearia agallocha, Lumnitzera littorea, Nypa fruticans, Rhizophora apiculata, Rhizophora stylosa, Sonneratia caseolaris dan Sonneratia ovata. The kinds of mangrove substarate at this research are silty loam, clay loam and sand loam.Keywords : gastropod, mangrove, substrate, the ecological condition, water quality
PRODUKSI DAN DEKOMPOSISI SERASAH DAUN MANGROVE Rhizophora stylosa DI DESA PULAU SEMBILAN KECAMATAN PANGKALAN SUSU KABUPATEN LANGKAT SUMATERA UTARA Fina Fitriyani; Yunasfi Djayus; Desrita Desrita
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mangrove litter in the form of leaves, twigs, and other biomass, which fell into the foodsource of aquatic biota and nutrients that determine the productivity of marine fisheries. Objectiveof tudy was to determine the production rate of leaf litter and to measure the decomposition rate ofR. stylosa leaf litter. The study carried from March until May 2016 in Pulau Sembilan Village,Pangkalan Susu District, Langkat Regency, Sumatera Utara. Litter production determined by thelitter trap in each station mounted five container nets and decomposition rate determined by 18 bagsof litter bag each station with initial litter weight was 50 g. The highest production value found inthe station I was 70,24 g/m2/75days and the lowest R. stylosa leaf litter production value found inthe station II was 54,98 g/m2/75days. The highest R. stylosa leaf litter decomposition rate found at15thobservational day was 1,54 g/day with composition rate constant value (K) found in the StationI, II, III was 12,68, 10,76, and 10,46, respectively.Keywords: decomposition, mangrove litter, production, Rhizophora stylosa
HUBUNGAN KANDUNGAN NITRAT DAN FOSFAT TERHADAP PERTUMBUHAN BIOMASSA BASAH ECENG GONDOK DI RAWA KONGSI SUMATERA UTARA (Relations Nitrate and Phosphate on The Growth of Hyacinth Wet Biomass in Kongsi Swamp North Sumatra) Yessy Christanty; Ternala Alexander Barus; Desrita Desrita
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The rapid growth of water hyacinth and high durability made plant growth is extremely difficult to control. This study aimed to determine the effect of nitrate and phosphate content of the relationship to the gowth of biomass wet hyacinth different locations in the waters Rawa Kongsi during an interval of two weeks. The research was conducted in March to April 2016. Length parameter is water hyacinth plant height, weight parameter consist of fresh weight of water hyacinth, and parameter number consists of the amount of water hyacinth leaves. Water quality parameters measured were dissolved oxygen, pH, temperature, brightness, nitrate and phosphate. The results obtained through the measurement of dissolved oxygen water quality is 1,6 mg/l-4 mg/l, pH is 6,3-6,6, water temperature is 30ºC-32ºC, brightness values is 42-119,5 cm. Nitrate values at Station I, II, and III is 0,25-0,73 mg/l; <0,001-2,09 mg/l; <0,001-2,4 mg/l. Phosphate values at Station I, II, and III is <0,001-0,019 mg/l; <0,001-0,026 mg/l; <0,001-0,032 mg/l. At station III gives better results on the growth of biomass compared to treatment at another location. The highest growth of water hyacinth biomass is found in the observation of the 2nd with biomass wet is 70.6 g and relative growth rate is 3.56% g/day.Keywords : Nitrate, Phosphate, Rawa Kongsi, Water Hyacinth, Wet BiomassGrowth
STRATEGI PEMASARAN PRODUK OLAHAN IKAN GULAMAH (Pseudocienna amovensis) DI KELURAHAN BAHARI KECAMATAN MEDAN BELAWAN (Marketing Strategy of Processed Gulamah (Pseudocienna amovensis) Products in Belawan Bahari Village Medan Belawan District) Aulia Satria; Budi Utomo; Febrina Arli
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Belawan Bahari village is one place that provides gulamah salty fish, the fishprocessing center in North Sumatra that facilitate the gulamah processed fish seekers.Research on this marketing strategy was conducted in March-April 2016 in Belawan BahariVillage Medan Belawan District. This study aimed to determine the condition of internalfactors, external factors and the right marketing strategy to improve the gulamah fish productprocessing business. The method used is purposive sampling with the respondents thatpurposefully chosen as many as 5 gulamah fish processors and purposefully as many as 8people at parties that play a role in the marketing process. Based on the analysis of theinternal marketing environment, which utilized the main strength of the financial aspects ofthe capital itself. While the major weaknesses in the marketing of fish processed productswere the legal aspect of the business licensing and production aspects of the campaign level.Based on the analysis of the external environment of marketing, the biggest opportunity wasin the social aspect to their business processing adds as the business opportunities for localcommunities and the main threat was on the policy aspect that was the slow response of thegovernment. Based on the SWOT analysis there were four strategies that can be implementedbased on the highest rengking ie 1) SO1 : Increase the sensitivity of the processors supportedby private capital, 2) SO2: Break the lenght marketing chain becomes shorter so that increaserevenue, 3) ST1: Provide a socialization about the comparison between fish processedopportunity and fresh fish opportunity , 4) WO1: Increase the promotion by expand into avariety of media promo and various regions and use an advanced tools.Key word: Belawan Bahari Village, Gulamah Fish, Marketing Strategy, SWOT.

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