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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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PENGARUH PADAT TEBAR TERHADAP PERTUMBUHAN IKAN REDFIN (Epalzeorhynchos frenatum) Effect of Stocking density on the growth rate Redfin fish (Epalzeorhynchos frenatum) Rewaldy Siregar; Eriyusni Eriyusni; Indra Lesmana
AQUACOASTMARINE Vol 3, No 5 (2015): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Redfin fish is one of an interesting ornamental fish. Intensive cultivation can bedone by optimizing the stocking density. This reasearch aims to determine the effect ofstocking density of redfin fish, on the growth and determine the optimum stockingdensity with an average length is 5,04 cm and an average weight is 1,01 gram. Redfinare used as much as 162 fishes and maintenance container used are 9 aquariums withsize 40 cm x 20 cm x 20 cm and the volume water are 12 liters each aquarium. Duringthe observed, fish are given an artificial feed as much as 5% of body weight per day.Feeding frequency are 3 times a day. The method used is Completely RandomizedDesign with the treatment of stocking density 1 fish/liter (P1), 1,5 fish/liter (P2), and 2fish/liter (P3). Ended treatment showed length P1 5,59 cm; P2 5,49 cm; P3 5,24 cm andweight P1 1,40 gr; P2 1,28 gr; P3 1,15 gr and feed comsumption 409,05 gr. TreatmentP1 shows the best of daily length and weight growth. Treatment P3 shows the lowest ofdaily length and weight growth. Stocking density significantly affected on the dailylength and weight growth rate. Tukey result has showed that the treatment P2 and P3significantly different from P1.Key word: Epalzeorhynchos frenatum, Redfin, Stocking Density, Growth Rate,
STUDI KUALITAS PERAIRAN SEBAGAI ALTERNATIF PENGEMBANGAN BUDIDAYA IKAN DI SUNGAI KEUREUTO KECAMATAN LHOKSUKON KABUPATEN ACEH UTARA PROVINSI NANGGROE ACEH DARUSSALAM Khairatun Nisa'; Zulkifli Nasution; Khadijah EL Ramija
AQUACOASTMARINE Vol 3, No 5 (2015): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Rivers can be used as sources of drinking water and fulfillment of daily life, is also used foraquaculture. To implement an aquaculture activities, the river waters are used as aquaculturemust meet the requirements of physical parameters, chemical parameters and biologicalparameters of water. It is necessary to study the quality of the waters to determine thepotential for development of aquaculture in River Keureuto. To determine the quality of thewaters of the River Keureuto for aquaculture activities is by comparing the quality of thewaters of the River Keureuto that have been studied with the quality standard PP. No. 822001 with storet method. This study was conducted in March-May 2015 in Keureuto River.The method used is purposive sampling method. Samples were taken at 3 stations. Physicaland chemical parameters river waters keureto based Quality Standard PP. No. 82 2001 belongto the quality standard of Grade III, where the waters of the River Keureto still appropriate todo aquaculture.Keywords : Keureuto River, Aquaculture, Physics Parameter Water, Quality of Water,Methods Storet
PENGARUH PEMBERIAN CACING SUTERA (Tubifex sp.) DAN KEONG SAWAH (Pila ampullacea) TERHADAP PERTUMBUHAN IKAN PATIN (Pangasius sp.) The Influence of Application Silkworm (Tubifex sp) and Snails (Pila ampullacea) to the Growth of Patin (Pangasius sp) Muhammad Hilman Zarkasih; Eriyusni Eriyusni; Rusdi Leidonald
AQUACOASTMARINE Vol 3, No 5 (2015): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

  Patin is a famous fresh water fish that have high economic value in Indonesia. This research was conducted to study the influence of the application of silkworm (Tubifex sp.) and Snails (Pila ampulacea) to patin (Pangasius sp.) growth. This research was conducted on November-January of 2015 in Binjai. The statistical result show significance different between silkworm and snail (p<0.01).The absolute average weight of growth of the fish with the application of snails is 7.55 g, and with the silkworm is 8.89 g. The absolute length on the snail treatment is 3.36 cm and with the silkworm is 3.89 cm. The daily growth rate on the 70 th day age on snail and silkworm is 0.188 g and 0.213 g, while the higher specific growth rate to the snail and silkworm is 0.026% and 0.027%, Efficiency of fish feed with snail and silkworm is 0.381 g and 0.403 g. Keywords : Pangsasius sp., Growth, Silkworm (Tubifex sp.), Snails (Pila ampullaceae).
KONDISI EKOLOGI MANGROVE DI PANTAI PUTRA DELI DESA DENAI KUALA KECAMATAN PANTAI LABU KABUPATEN DELI SERDANG PROVINSI SUMATERA UTARA The Ecological Condition of Mangrove in Putra Deli Beach, Denai Kuala Village, Pantai Labu Sub District, Deli Serdang Distr Dinarta Hutabarat; Yunasfi Djayus; Ahmad Muhtadi
AQUACOASTMARINE Vol 3, No 5 (2015): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Mangerove is the living plant community between the sea and the land that wasinfluenced by the tides. Putra Deli beach in Denai Kuala village, Pantai Labu Regency ofNorth Sumatera has an area of mangrove forest about 20 Ha. Putra Deli Beach still has anatural mangrove ecosystem. But, the coastal has long been used by the local community as asourceof livelihood especially mangrove orest logging. This research was aimed to know theecological condition of mangrove waters. This research is done in March 2015 till April 2015.This research is done with a purposive sampling method by taking and observing of bioticcomponents which was mangrove vegetation and density of Telescopium telescopium andthe measurement of water quality parameters. Data analysis included analysis of mangrovevegetation, analysis of water quality, analysis of substrate and analysisof morfometri leaves.There are 7 kinds of mangrove which found in the research location, namely Acrostichumspeciousum, Avicennia alba, Avicennia lanata, Avicennia marina, Bruguiera cylindrica,Lumnitzera littorea, and Rhizophora mucronata. Based the decision of environment ministernumbe 201/2004, the mangrove density in all of the stations included in category mediumand the mangrove cover included in category rarely. The kind of mangrove substrate at thisresearch is very solid. The condition of mangrove waters compared with the decision ofenvironment minister number 51/2004. The kind of mangrove substrate at the tis research isclays sand. Telescopium telescopium much found in station I. the biggest diversity index is inthe station I about 3.8.Keywords: Mangrove, The ecological condition, Water quality, T. telescopium
ANALISIS PERTUMBUHAN DAN LAJU EKSPLOITASI IKAN TONGKOL (Auxis thazard) YANG DIDARATKAN DI KUD GABION PELABUHAN PERIKANAN SAMUDERA BELAWAN SUMATERA UTARA Kartika Dewi; Ternala Alexander Barus; Desrita Desrita
AQUACOASTMARINE Vol 3, No 5 (2015): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tuna fish (Auxis thazard) has high economic value in Medan. This research was conducted to investigate the impact of exploitation on Tuna fish stock and was from November 2014 to April 2015. Data obtained in KUD location Gabion Belawan. The objective of this research is to study stock condition of Tuna fish based on length-weight relationship, Von-Bertalanffy growth parameter, condition factor, mortality and level of exploitation. Total length data was measured from 555 fish the average of total length was from 183-402 mm. Separation of cohort length groups using Bhattacharya method produced four length frequency. Growth coefficient (K) was 0.38 per year, L infinity (L∞) 411.60 mm and t0 – 1.42 per year. Based on the long relationship expressed heavy growth patterns swordfish in the waters of the Strait of Malacca is alometrik negative, the value of the average condition factor 0,51 – 2,59, it showed the fish in suitable circumstances. Total mortality rate (Z) is 1,95 per year, natural mortality (M) 0,43 per year, and the rate of cacth mortality (F) 1,46 per year to obtain the exploitation rate of 0,74. The exploitation rate value has exceeded the optimum value of 0,5Keywords : Auxis thazard, Growth, Mortality, Malacca Strait
STRUKTUR KOMUNITAS MAKROZOOBENTOS SEBAGAI INDIKATOR PERUBAHAN KUALITAS PERAIRAN DI SUNGAI BELAWAN KECAMATAN PANCUR BATU KABUPATEN DELI SERDANG Nurul Fadillah; Pindi Patana; Maragunung Dalimunthe
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Activities in Belawan River has caused water quality degradation, such asecological conditions of biota particularly macrozoobenthos. This research aimedto know the community structure of macrozoobenthos and water quality based onDiversity Index and Abundance and Biomass Comparison (ABC) curve. Thisresearch was conducted in Belawan River Pancur Batu sub district Deli Serdangregency from April until June 2015. The sampling was done by purposive randomsampling method at three stations for three weeks. Results of this research found 9species of macrozoobenthos divided into 6 family and 2 classes, those wereGastropods and Insecta. The density was ranged from 4.33 to 45.0 ind /m2, whilediversity index 1.29 to 1.51 with medium level of diversity rate. Evenness indexwas ranged from 0.72 to 0.78 and dominance index was ranged from 0.24 to 0.25.The water quality of Belawan River was divided into two categories, based on thediversity index was medium polluted category and based on ABC curve was notpolluted – medium polluted categories.Keywords: Macrozoobenthos, Community Structure, Diversity Index, ABC Curve,Pollution Levels
TINGKAT PENGGUNAAN Azolla pinnata PADA PAKAN TERHADAP PERTUMBUHAN IKAN NILA (Oreochromis niloticus) Grade of use of azolla pinnata the feed to growth of nila fish (Oreochromis niloticus) Daniel Sinaga; Syammaun Usman; Nurmatias Nurmatias
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Nila fish is economic valuable fish, consumer demand increasing, but hasnot been followed by intensive cultivation and optimal. One of attempt toovercome these problems by substituting commercial feed with fish meat mealAzolla pinnata for growth nila fish. The tested fish are nila fish size 6 cm whichmaintained in an pain diameter 50 cm by 12 unit. With completely randomizeddesign. With treatment commercial pakan 100% without added azolla flour,commercial pakan 94 % added 10 % azolla flour, commercial pakan 88 %added 20 % azolla flour, and commercial pakan 82 % added 30 % azolla flour,the result showed that azolla flour can be used as a substitute for fish meal in fishfeed. The fourth feed that gives the best growth as feeds commercial pakan 82 %added 30 % azolla flour with weight growth of 4.33 g and length growth 2.23 cm.Keywords : Oreochromis niloticus, Azolla pinnata flour, Growth
PERBANDINGAN INDUK JANTAN DAN BETINA TERHADAP KEBERHASILAN DERAJAT PENETASAN DAN KELULUSAN HIDUP LARVA IKAN MAS KOKI (Carrasius auratus) Fretty J Simbolon; Budi Utomo; Indra Lesmana
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The germination of freshwater fish has good future prospect in local andexport. One of freshwater that has a higher selling price and market demand ismuch enough in local or export is goldfish (Carracius auratus). This researchaims to get the comparison quantity of good parents for maximal spawning anddetermine the ratio of male parent and female parent of goldfish which differenton hatching and survival rate of larvae. This research method was used acompletely randomized design with 3 treatments and 3 replications. The firsttreatment was the comparison between male parent and female parent 2 : 1, thesecond treatment was the comparison between male parent and female parent 3 : 1and the last treatment was the comparison between male parent and female parent4 : 1. This research was conducted in 2015 on July until August. The result of thisresearch showed that the comparison of parents quantity has significant effect onthe degree of fertilization and showed the highest hatching rates got from the lasttreatment (82. 87 %) in comparison of male parent and female parent 4 : 1 whichthe chances of sperm to fertilize an egg was greater so that the number of eggsthat hatch will also be greater and the highest survival rate of larvae and alsoobtained from the last treatment (81. 82%).Keyword: Hatching Rate, Survival Rate, Goldfish.
ANALISIS KONSENTRASI KLOROFIL-A DAN SUHU PERMUKAAN LAUT MENGGUNAKAN DATA SATELIT AQUA MODIS SERTA HUBUNGANNYA DENGAN HASIL TANGKAPAN IKAN TONGKOL (Euthynnus sp.) DI SELAT MALAKA Syafrida Siregar; Ternala Alexander Barus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Strait of Malacca is a strait that located between the Peninsular of Malaysia (Thailand, Malaysia, Singapore) and the island of Sumatra (Indonesia). The strait of Malacca linked between the eastern part of the Pacific Ocean and the Indian Ocean in the west. The aim of this study was to determine the variability of the concentration of chlorophyll-a and sea surface temperature (SST) as well as its relationship with the catch of tuna (Euthynnus sp.). The method used in this study is a sampling of respondents directly in the field with the interview. The factors of abundance fish Sea Surface Temperature (SST) and chlorophyll-a concentrations, to get the value of SST and chlorophyll-a concentrations using a satellite imagery Aqua’s Moderate Resolution Imaging Spectroradiometer (MODIS). The data of pelagic tuna (Euthynnus sp.) obtained from the Fishing Port Ocean in Belawan. The monthly average of SST in the Malacca Strait from Aqua MODIS satellite imagery in 2009 – 2014 range between 28,9°C– 32,29°C. The SST of Malacca Strait is following of the wind pattern that occurred in Indonesian water. The highest mackerel tuna catches occurred in the west season and the second transition. The concentration of chlorophyll-a in the research area (2009 – 2014) of Aqua MODIS satellite imagery in (2009 – 2014) ranged between 0,59 – 1,89 mg/m3. The west season is the most dominating of the chlorophyll-a concentration around 1,89 mg/m3. The relationship between SPL and the concentration of the chlorophyll-a by catch tuna showed the negative correlation. In the west and the first transition season, tuna fish has a high correlation to chlorophyll-a and low SST.Keywords : Malacca Strait, Aqua MODIS,Wind, Chlorophyll and Sea Surface Temperature, and Mackarel Tuna.
Pengaruh Konsentrasi Tepung Wortel (Daucus carota L.) Pada Pakan Terhadap Peningkatan Warna Ikan Koi (Cyprinus carpio) Arnol Hasudungan Pardosi; Syammaun Usman; Indra Lesmana
AQUACOASTMARINE Vol 4, No 1 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Koi (Cyprinus carpio) is a type of fish that can be cultivated to serve asornamental fish. As ornamental fish, koi fish that have beautiful and bright colors canbe high value. Color is one of the reasons ornamental fish demand by the public, sofarmers need to retain the color of ornamental fish that is by giving feed containingpigments. The work done to obtain a uniform bright colors in fish is added to thepigment in the feed source. Source of natural pigments can be obtained from flour carrot(Daucus carota L.). The purpose of this study was to determine the dose of carrot flourthat can enhance the color of koi fish. This study used a completely randomized design(CRD) with three replications, with doses of 0%, 1%, 3%, and 5% for 30 days. Theaddition of carrot powder through the feed can improve the color of koi fish. Givingcarrot flour with a dose of 5% produces a brighter color than the other doses. CarrotsFlour Addition on the feed had no effect on the weight and length growth koi fish.Keywords: Fish Koi, Cyprinus carpio, Color Enhancement, Daucus carota L.

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