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Aquacoastmarine
Published by Universitas Sumatera Utara
ISSN : -     EISSN : -     DOI : -
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 358 Documents
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PENGARUH PEMBERIAN PROBIOTIK EM-4 (Effective Microorganism-4) PADA PAKAN TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP IKAN NILA (Oreochromis niloticus) Devy Permata Sari; Eri Yusni
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tilapia is a freshwater fish that has widely cultivated and is very popular among the community. In tilapia aquaculture, the most important factors are growth and survival rate as well as sufficient feed requirements. This research aims to determine the effect of EM-4 on commercial feed towards the growth and survival of tilapia, as well as knowing the number or frequency of EM-4 which is effective against the growth and survival rate of tilapia (Oreochromis niloticus). This research was conducted from April to June 2018. During the study of fish were given commercial food mixed with EM-4. Feed were given of 5% from body weight. The frequency of feeding were given 3 times a day at 08.00 am, 01.00 pm and 05.00 pm. The design that have been used in this study was Complete Randomized design with 3 treatments and 3 repititions namely : P1 ( EM-4 8 ml / kg commercial feed), P2 (EM-4 12 ml / kg commercial feed) and P3 (EM-4 16 ml / kg commercial feed). The results of these research were used analyzed by SPSS program. The results showed that the giving of EM-4 significantly affected the length and weight of fish but did not significantly affect the survival rate of tilapia. The higher growth of length and weight was found with P3 and mixed of EM-4 16 ml / kg of feed and the higher survival rate was found in P3 and mixed of EM-4 16 ml / kg commercial feed.Keywords: Effective Microorganism-4, Growth Rate
STUDI KEANEKARAGAMAN BIVALVIA DI EKOSISTEM PADANG LAMUN PANTAI PANDARATAN KECAMATAN SARUDIK KABUPATEN TAPANULI TENGAH PROVINSI SUMATERA UTARA Muhammad Fauzi; Ipanna Enggar Susetya
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Pandaratan Beach is a Beach located in Pondok Batu area, Sarudik Subdistrict, Tapanuli Tengah Regency which is an area that has seagrass beds with various roles in aquatic biota such as bivalves, where seagrass beds function as nurseries, as a place to search feeding ground, and areas to seek protection. The purpose of this study was to determine the bivalve diversity of seagrass beds at Padaratan Beach, carried out in March to April 2018 using purposive sampling method by taking and observing seagrass vegetation based on utilization. Data analysis included seagrass vegetation analysis, bivalve analysis, and water quality analysis. Found 2 types of seagrass with density at Station I 33.81%, Station II 20.27%, and Station III 25.38%. In bivalves 15 species were found at the study site. Bivalve Diversity Index at Station I 2.45, at Station II 2.48, and at Station III 2.43. Bivalvia uniformity index at Station I 0.91, at Station II 0.91, and at Station III 0.90. The bivalve dominance index at Station I was 0.07, at Station II 0.07, and at Station III 0.05. The relationship between seagrass density and density with bivalve diversity has a strong relationship, and shows that any increase in seagrass density affects the addition of bivalve species.Kata kunci: Bivalvia, lamun, keanekaragaman, pantai pandaratan.
UJI TOKSISITAS AKUT (LC50-96 Jam dan LT50-96 Jam) INSEKTISDA KLORPIRIFOS TERHADAP IKAN NILA (Oreochromis niloticus) Fransiskus Bernas Deviero Siregar; Ipanna Enggar Susetya
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tilapia (Oreochromis niloticus) included to the family of Cichlidae. Tilapia (Oreochromis niloticus) has economic value for humans, Tilapia could found in freshwater. The poor water quality could impact to the growth of the fish. One of the causes of the decrease water quality in aquatic environment were the waste from activities around the water, such as agricultural’s waste. The used of insecticide of chlorpyrifos could causes the accumulation of chlorpyrifos in the soil and then carried by water into the water body that would pollute the water body. This research aimed to determine the value of LC50-96 hours & LT50-96 hours of the used of chlorpyrifos on the mortality of tilapia (Oreochromis niloticus) and the impact of toxicity in chlorpyrifos toward tilapia (Oreochromis niloticus). This research was conducted between March 2018 and April 2018 at the Laboratory of Aquaculture and Aquatic Biology. Test results showed that the value of LC50-96 Hours were 0.29 ppm and LT50-96 Hours were 12 hours. The highest survival result was obtained at 0.0063 ppm with score 93.33% and the lowest result was at 9.9096 ppm with score 3.33%. The result of water quality still in good condition.Keywords: Tilapia (Oreochromis niloticus), Klorpirifos Insecticide, LC50, LT50.
PREVALENSI EKTOPARASIT PADA BENIH IKAN NILA (Oreochromis niloticus) PADAKOLAM BUDIDAYA DI DESA BARU LADANG BAMBU KECAMATAN MEDAN TUNTUNGAN Nurhayati Rambe; Eri Yusni
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tujuan penelitian ini untuk mengetahui prevalensi ektoparasit pada benih Ikan Nila (Oreochromis niloticus) di Kolam Budidaya Desa Baru Ladang Bambu Kecamatan Medan Tuntungan. Ada 4 jenis ektoparasit yang menginfeksi benih ikan nila pada kolam budidaya Desa Baru Ladang Bambu Kecamatan Medan Tuntungan yaitu Trichodina sp., Ichthiopthirus multifiliis, Dactylogyrus sp. dan Gyrodactylus sp. Tingkat prevalensi tertinggi yaitu Dactylogyrus sp. dengan 43,3% dengan kategori umumnya dan yang lainnya hanya 3,3% dengan kategori kadang-kadang.Kata Kunci : Ikan Nila (Oreochromis niloticus), Ektoparasit, Mikrobiologi
Pengaruh Pemberian Pakan Fermentasi Terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Lele (Clarias sp.) Yohanna Lumban Tobing; Syammaun Usman
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Catfish beeding is mostly done by using intensive system. The rate of fish growth is strongly influenced by the type and quality of feed given and environmental conditions. If there are sufficient good quality feed given and suppated enviroment, it can be ascertained assured that fish of growth to will be fast. This research was done in UPTD. Tuntungan Fish Seed House in April to Mei 2018, which aims to determine the effect of fermented feed on the growth and survival of catfish. The study used Completely Randomized Design (RAL) with 3 treatment and 3 replications, as follows: V1 (viterna 20 ml / kg), V2 (viterna 40 ml / kg) and V3 (viterna 60 ml / kg). The data were analyzed by using Analysis of Variance (ANOVA), if there is any effect of treatment continued with the test of the Smallest Real Difference (BNT). As the result the most effective dose is 40 ml/kg. The research shows that the fermentation of feeds has different effect on the real growth but does not significantly affect the survival of the catfish.Keywords: Catfish (Clarias sp.), Viterna Probiotics Feeding Frequency, Growth
PENGARUH PEMBERIAN PROBIOTIK PADA MEDIA AIR TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP IKAN LELE (Clarias sp.) Febya Rizki Hasibuan; Eri Yusni
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Catfish (Clarias sp.) is a freshwater fish that popular to be cultived and consumed. The most important factors growth and survival rate as well a sufficient feed requirements.. The objective of this study aims to the effect of proboitic in water with growth and survival rate of fish. The research was conducted from march to mei 2018. During these study, the fish were give commercial feed and added probiotic in water. The feeding calculated 5% from body weight. The frequency of feeding were give 3 time a day at 09:00 AM ; 13:00 PM ; 18:00 PM. The design that have been used in this study was complete Randomized design with 3 treatment and 3 repitions namely : P1 (1,5 ml/L), P2 (2 ml/l), P3 (2,5 ml/L). The results of these research were used analyzed by SPSS. The result showed that the given probiotic significantly affected of the length and weight of fish but did not significantly affect for survival rate. The higher growth of length and weight was found with P3 and mixed of probiotic 2,5 ml/L and the higher survival rate was found 77% in P3 and mixed of probiotic 2,5 ml/L.Keyword: Catfish, Probiotics, Growth.
PERTUMBUHAN UDANG PUTIH (Penaeus merguiensis de Man 1888) DI PERAIRAN ESTUARI SUAKA MARGASATWA KARANG GADING KABUPATEN DELI SERDANG Anggi Abdur Rohim; Desrita Desrita
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The aim of this research is to determine the abundance and growth of White Shrim (Penaeus merguiensis de Man 1888) in estuaries of Suaka Margasatwa Karang Gading of Deli Serdang Regency. Sampling was carried out at 3 research stations and for 60 days starting from March to May 2018. White Shrim was caught with fishing gear mini trawl ring. Water quality measurements was carried out in situ. Overall, the condition of the estuaries of Suaka Margasatwa Karang Gading of Deli Serdang Regency was still above the water quality standard. The highest abundance occurs in station I, but the abundance of all the stations has many individuals. The value of the length and weight of White Shrimp at each station was allometric negative with a value of b <3 and the condition factor value of each station shows a value of FK> 1, which indicates that the condition of White Shrimp in estuaries of Suaka Margasatwa Karang Gading of Deli Serdang Regency can morphologically said to have a good fortune.Keywords: Abundance, Estuaries, Growth, White Shrimp
PENGARUH PENAMBAHAN CAMPURAN TEPUNG LIMBAH IKAN TUNA PADA PAKAN KOMERSIL TERHADAP PERTUMBUHAN IKAN LELE (Clarias sp.) Adenia Cahyatie Aprillia; Eri Yusni
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Catfish is a freshwater species that is widely cultivated and consumed because easy to process, and very popular in the society. One of many hindrances in aquaculture of catfish for business is that the feed frequently used by the community costs much, resulting in farmers using feed pellets like tuna-waste flour mixture as an alternative additional feed. Therefore, this research aims to determine the sufficient usage of the tuna-waste flour mixture in commercial feed to growth of catfish as well as the growth increase and the survival rate of catfish with additional tuna-waste flour mixture in its feed. This research was conducted on April to June 2018. The design were used Complete Randomized Design with 3 treatments and 3 repetitions, namely P1 treatment (80% Commercial Feed + 20% Tuna-Waste Flour), P2 (65% Commercial Feed + 35% Tuna-Waste Flour), P3 (50% Commercial Feed + 50% Tuna-Waste Flour). Statistic analysis were used the SPSS version 21.0 and the result was analyzed by using Analysis of Variance (ANOVA) and the Duncan test. The result of the research data shows that the most significant increase was found in P3 treatment, with 8 cm average increase in length and of 24.71 gr average increase in weight and the highest survival rate was found in P3 treatment as higher as 80.56% as well as FCR is 1.31%.Keyword : Catfish (Clarias sp.), Tuna Fish Waste Flour, Growth Rate, FCR
STRUKTUR KOMUNITAS MOLUSKA DI ESTUARI DESA BAGAN ASAHAN KECAMATAN TANJUNG BALAI KABUPATEN ASAHAN Ilham Syahputra; Ipanna Enggar Susetya
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tanjung Balai is one of the regions in North Sumatera which has marine potential in the form of molluscs. Tanjung Balai waters are adjacent to the Malacca Strait. Estuari waters in Bagan Asahan are very rich in potential biota in the form of molluscs. This research was conducted in April to May 2018 in the Estuari Waters of Bagan Asahan Village. Mollusc sampling was carried out at three different stations with three points of retrieval and three times repetitions. Station I was located in the area of mangrove forest zone, station II was located near community and station III was located on the estuari. The results showed that 1.276 individuals consisting of 2 classes, 14 families and 20 species. The abundance of mollusc species in the three research stations ranged from 499 ind/m3 - 2148 ind/m3. The highest relative abundance value was found in Meretrix meretrix mollusc species with the value of 63.2% at station III. Diversity Index (H ') ranged from 0.926 to 2.325 classified as low to moderate, Uniformity (E) ranged from 0.476 to 0.789 classified as moderate to high, Dominance (C) ranged from 0.049 to 0.900 classified as low to high. The results of measurements of water chemistry physical parameters are still at a reasonable threshold for the life of molluscs. Physical and chemical parameters that are positively correlated with abudance are temperature, depth, salinity and organic matter. Physical and chemical parameters that are negatively correlated with abundance are brightness, pH, DO, salinity and phosphate.Keywords: Community Structure, Molluscs, Estuari, The Environment
ANALISIS FAKTOR PRODUKSI HASIL TANGKAPAN IKAN CAKALANG (Katsuwonus pelamis) DI PELABUHAN PERIKANAN NUSANTARA SIBOLGA Ahyar Pulungan; Amanatul Fadhilah
AQUACOASTMARINE Vol 6, No 4 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The study aims to analyze the factors which influenced the Skipjack Tuna fishing production at the Sibolga Nusantara Fisheries Port. This research was conducted at Sibolga Nusantara Fisheries Port, Central Tapanuli Regency. The research was conducted using a descriptive method with sample of 40 fishermen of purse seine vessels (ship captains) determined through purposive sampling technique. Data analysis techniques were carried multiple linear regression analysis. The results showed that partially, the factors of the fisherman experience, the size of the ship, the power of the engine and the length of the trip had a significant effect on the skipjack tuna fishing production. Meanwhile, the amount of fuel did not have a significant effect. Trip duration was the dominant factor or had a strong influence in the fishing production of skipjack tuna.Keywords: Skipjack Tuna, Production Factor, Sibolga Nusantara Fisheries Port.

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