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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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KUALITAS AIR DAN PERSEPSI PENGUNJUNG DI KAWASAN WISATA SUNGAI SAMPUREN PUTIH KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA Water Quality and Visitor Perception in The Area of The White River Tourism Sampuren Deli Serdang District of North Sumatera Provin Ivan Sinaga; Pindi Patana; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Natural potential is the main attraction in the tourist activity, including the physical nature, fauna and flora. The existence of Sungai Sampuren Putih region is widely known as one of the tourist destinations in the District of Sibolangit Deli Serdang, North Sumatra. The purpose of this study was to determine the effect of water quality on the level of visits and tourism potential of the river as well as assess the perceptions of visitors and the management of the activities of Sungai Sampuren Putih. This study was conducted over three months are May to July 2016. Data analysis using Water Quality Parameters and questionnaire. Sungai Sampuren Putih water quality through water chemistry to measure physical parameters Sampuren River White stated that I belong lightly polluted station that is 1.92 while the station II and III stations classified as good, namely 0.83 and 0.72. Value 90% comfort level visitors expressed comfortable. Judging of the appeal because the rocks 65,06%. White Sampuren river has good tourism potential, it can be seen from the results of interviews and questionnaires.Keywords: Water Quality, Traffic People, River Tourism Zone, Deli Serdang
Pengaruh Padat Tebar Terhadap Laju Pertumbuhan Ikan Patin (Pangasius pangasius) Effect of stocking density on the growth rate patin fish (Pangasius pangasius) Andreas H Marpaung; Syammaun Usman; Indra Lesmana
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Patin fish is one of cultivication fish which familiar and have high economical price in Indonesia. Intensive cultivication can be done bya optimizing the stocking density. This research aims to determine optimum stocking density with an average length is 10 cm and weight is 5 gr. Patins are use as much as 324 fishes and maintenance container use are 9 aquariums with size 40 cm x 20 cm x 20 cm and the volume water are 12 liters each aquarium. The method use is Completly Randomize Design with the treatment of stocking density 1 fish/liter (P1); 3 fish/liter (P2); 5 fish/liter(P3). Ended treatment showed length P1 12,34 cm; P2 12,01 cm; P3 11,76 cm and weight P1 7,49 gr; ; P2 7,08 gr; P3 6,71 gr. Stocking density significantly affected on the length and weight growth rate.Keywords : Pangasius pangasius, patin, stocking density, growth rate
KAJIAN POTENSI OBJEK WISATA ALAM TIRTA DESA BUKIT LAWANG KECAMATAN BAHOROK KABUPATEN LANGKAT SUMATERA UTARA (Potential Study of Nature Tourism Object Tirta Bukit Lawang Village Bahorok District Langkat Regency North Sumatera) Desti Natalia Simbolon; Hesti Wahyuningsih; Yoes Soemaryono
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Nature Tourism Object Tirta Bukit Lawang Village is a tourist place that utilizes the beauty and potential of the Bahorok River located in Langkat regency of North Sumatera. This research aims to determine the potential of Bahorok River tourism and how the visitor's perception of the tourist area. This research was conducted at Bahorok River in January - February 2017. The Bahorok River located in Tirta Bukit Lawang tourism is utilized by visitors to perform relaxed activities, natural baths and traditional rafting, of these activities will certainly be supported by the potential on the tour. The carrying capacity of Tirta Bukit Lawang tourism area is 470 people / day. The Tourist Suitability Index for the relaxed category includes the corresponding S2 group, the bathing category belonging to the S1 group is very suitable and the traditional rafting category is included into the S2 group. The quality of Bahorok River is relatively clear so it is potential to support tourism activities.Keywords : Bahorok River, The carrying capacity area, Tourist Sustaibility Index, Relax Sit, Natural Baths and Tradistional Rafting.
JENIS DAN POLA PERTUMBUHAN IKAN YANG TERTANGKAP DI SUNGAI SERUAI DESA NAMU SURO KABUPATEN DELI SERDANG SUMATERA UTARA (Kinds of Fish Species and Growth Pattern of Fish that was Chaught at River Seruai, Namo Suro Village, Deli Serdang District of North Sum Putra S. A Sihaloho; Hasan Sitorus; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The objective of the research was to know the kinds of fish species and growth pattern of fish that was caught at the River Seruai, Namo Suro Village, Deli Serdang District of North Sumatera Province. The research was conducted by using field survey method on November to December, 2016. Parameters measured were length and weight of fish, condition factor, gonad maturity and water quality. Based on the research found four fish species i.e Baung (Mystus nemurus), Cencen (Mystacoleucus marginatus), Nila (Oreochromis niloticus), and Sibaro (Hampala macrolepidota). All of the fish had a negative allometric growth pattern. The highest value of condition factor found in Cencen fish (1,007) and the lowest value obtained in Sibaro fish (0,001). The correltion of Length and weight of all fish species was very strong wih correlation coefficient (R) and determinant coefficient (R2) approximately to value of 1.Keywords: Fish Species, Growth Pattern, River Serui, Deli Serdang.
KEANEKARAGAMAN FITOPLANKTON DI PERAIRAN MANGROVE DESA PERCUT SEI TUAN KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA “Phytoplankton Diversity in The Mangrove Percut Sei Tuan River Regional Of Deli Serdang Province Of North Sumatera.” Sangap Ginting; Yunasfi Djayus; Rusdi Leidonald
AQUACOASTMARINE Vol 5, No 2 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Phytoplankton in aquatic coastal ecosystems play a major role in the food chain. This is because the role of Phytoplankton as producen in the waters of other organisms that can be used include fish. The existence of Phytoplankton in the waters is largely determined by the physicaland chemical condition of the water. Phytoplankton have a certain tolerance limits to environmental parameters so that diversity will be different. The research was conducted from April to May 2016. Samples were taken from three observation stations, at each station observations were made three replications. Sampling point is determined using purposive random sampling method.Total abudance of phytoplankton at station 1 as many as 11.400 cell/l, which consists of 16 genera, abudance of phytoplankton at statiun 2 as many 39.050 cell/l which consists of 10 genera, and abudance of phytoplankton at statiun 3 as many 48.900 cell/l which consists of 18 genera.Pearson correlation analysis phospate, nitrate, DO, and brightness was positibelly correlated with the diversity of phytoplankton while the temperature, pH, and salinity were negatively correlated with the diversity of phytoplankton.Keywords : Phytoplankton, Percut Sei Tuan River, diversity
DEKOMPOSISI SERASAH DAUN Avicennia marinaPADA BERBAGAI TINGKAT SALINITAS Decomposition Avicennia marina Leaf Litter At Various Levels Of Salinity Elisa Januarita Doloksaribu; Yunasfi Djayus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 5, No 3 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The mangrove litter which has been decomposed contributes organic matter as food source for many species of fish and other organisms in the mangrove ecosystem. This study aims to determine the effect of salinity on the rate of leaf litter decomposition A. marina and to know the nutrient content of carbon (C), nitrogen (N) and phosphorus (P) in the A. marina litter leaf which been released during the decomposition time. This research was done at Hamparan Perak base Deli Serdang sub-district of North Sumatera Province during February until May 2017. The results of the study of leaf litter A. marina at 0-10 ppt salinity level more quickly decomposes. The average weight of the rest of the leaf litter A. marina which decompose at a rate of 0-10 ppt salinity, 10-20 ppt and 20-30 ppt yaitu 1,46 grams, 5,86 grams, dan 6,53 grams.The rate of leaf litter decomposition A. marina at a rate of 0-1 0 ppt salinity, 10-20 ppt and 20-30 ppt was 28.61, 17.68, and 14.97. Carbon levels of nutrients in the leaf litter A. marina ppt salinity level 0-10, 10-20 ppt and 20-30 ppt was 18,61%, 18,97%, and 18,58%. Levels of nutrients nitrogen in leaf litter A. marina ppt salinity level 0-10 ppt, 10-20 ppt and 20-30 ppt was 1,51%, 1,68%, and 1,18% . As well as the levels of the nutrient phosphorus leaf litter A. marina on ppt salinity level 0-10 ppt, 10-20 ppt and 20-30 ppt was 0,58%, 0,52%, and 0,51% respectively.Keywords :A. marina,decomposition, mangrove leaf litter, nutrients, salinity.
KEANEKARAGAMAN MANGROVE DAN KELIMPAHAN MAKROZOOBENTHOS DI DESA BAGAN ASAHAN KECAMATAN TANJUNG BALAI KABUPATEN ASAHAN PROVINSI SUMATERA UTARA Indah L. M Tambunan; Yunasfi Djayus; Desrita Desrita
AQUACOASTMARINE Vol 5, No 3 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Bagan Asahan village is one which is in Asahan Regency, which has the great potential of mangrove ecosystemnand diverse biota that live in it. Macrozoobrnthos is one which is potensial mangrove fishery that have economy value. This study aims to know mangrove diversity and macrozoobenthos abudance. The study held in March until April 2017. The study was conducted using purposive sampling method. Plot size was determined using classification category of seedling (2x2 m2), stake (5x5 m2) and tree (10x10 m2) The highest mangrove diversity for the three categories is located on station I with values of 1.94, 1.83 and 1.62. The highest macrozoobenthos abundance is on station II (18.5 ind/m2) and the lowest is at station III (11,66 ind/m2) meanwhile the macrozoobenthos abundance on station I is 15,41 ind/m2.Keywords : Abundance , Diversity, Makrozoobenthos, Mangrove, Tanjung Balai.
PENGARUH EKSTRAK DAUN Sonneratia alba TERHADAP INFEKSI BAKTERI Aeromonas hydrophila PADA IKAN NILA The Effect of Sonneratia alba Leaf Extract on Aeromonas hydrophila Bacterial Infection in Tilapia Dumaria R. M. L Tobing; Yunasfi Djayus; Nurmatias Nurmatias
AQUACOASTMARINE Vol 5, No 3 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Motile Aeromonas Septicemia (MAS) is a disease that attacks on the tilapia fish farming, both in the phase of seed and adult. One of alternative to prevent disease by using the extracts from mangrove plants. The aims of this study was to determine the effectiveness of Sonneratia alba leaf extract in tackling MAS disease in Nila fish and to determine the dose of S. alba extract on Tilapia fish. The extraction from S. alba leaves was made into powder form and then combined with artificial feed type FF-999. The LD50 test was performed on Nila fish for 24 hours. This study used Completely Randomized Design with four treatments: P0 (without of extract S. alba), P1 (1% extract S. alba), P2 (2% extract S. alba), P3 (3% extract S. alba). The results showed that the treatment of P1 and P2 could inhibit the growth of A. hydrophila.Keywords : Sonneratia alba, Tilapia, Antimicrobial Activity, Aeromonas hydrophila.
STUDI KERAPATAN DAN POLA PEMENCARAN LAMUN DI PESISIR PULAU UNGGEH KABUPATEN TAPANULI TENGAH PROVINSI SUMATERA UTARA Romanda Mora Tanjung; Pindi Patana; Amanatul Fadhilah
AQUACOASTMARINE Vol 5, No 3 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research aimed to know the density and pattern of dissemination of seagrass in Unggeh island. This research was conducted in Unggeh Island, Badiri Sub-district, Central Tapanuli Regency, North Sumatera Province in April 2017. The research method used is Purposive Sampling and divided into 3 stations. The result of seaweed density for Enhalus acoroides species of the station I is 35 ind/m2, station II is 42 ind/m2, and station III is 10 ind m2, with the average of 29 ind/m2. The species of Cymodocea serrulata of station I is 364 ind/m2, station II is 331 ind/m2, and station III is 219 ind/m2 with the average of 305 ind/m2. Halodule pinifolia species only is found in station III with a density of 36 ind/m2 with the average of 12 ind/m2. Based on the calculation of dispersal pattern for Enhalus acoroides, the result is 0,56 which means to be uniform, Cymodocea serrulata 0,50 which means to be uniform and Halodule pinifolia 1,05 which means to be in groups.Keywords ; Seagrass, Density, Pattern of Dissemination, Unggeh Island.
PERTUMBUHAN DAN LAJU EKSPLOITASI IKAN KEMBUNG (Rastrelliger spp.) DI PERAIRAN SELAT MALAKA PROVINSI SUMATERA UTARA The Growth and Exploitation Rates ofMackerelFish (Rastrelliger spp.) in Malacca Strait, Medan Belawan District, North Sumatera Province Yuli Wulandari; Budi Utomo; Desrita Desrita
AQUACOASTMARINE Vol 5, No 3 (2017): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mackerel Fish (Rastrelliger spp.) is one type of economic fish in important for the community, this type is found in the waters of the Strait of Malacca. This study has objectives on accesing growth and exploitation rates of Mackerel Fish in Malacca Strait, North Sumatera Province. This study was held in three months, from March to May 2017. Data analysis used the ELEFAN I method (Electronic Lenght Frequencys Assesment Tool) by using FiSAT II (FAO-ICLARM Fish Stock Assesment Tool) software. The samples of Mackerel Fish obtained as much 361 tail. The growth pattern of Mackerel Fish is negative allometric. The range of condition factor are 0,602 – 1,294. The range of length frequency distribution are 175 – 182 mm. Based on the growth equation of Von Bertalanffy Mackerel Fish obtained in the waters of the Straits of Malacca is Lt = 217,35{1-e-0,75(t+0,015)} which means the asymptothed length (L∞) of Mackerel Fish 217,35 growth coefficient (K) of 0,75 per year and the theoretical age (t0) Mackerel Fish that is equal to -0,015. Total mortality (Z) of Mackerel Fish of 2,837 per year.Estimation of natural mortality rate (M) of Mackerel Fish of 0,891 per year and mortality due to catch (F) of 1,946 per year. So that the result of alleged exploitation rate of 0,68 per year.Keywords: Growth, Mortality, Exploitation Rates, Rastrelliger spp, Malacca Strait

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