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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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HASIL TANGKAPAN DAN KONDISI HABITAT IKAN TOR (Tor spp.) DI HULU DAS WAMPU KABUPATEN LANGKAT SUMATERA UTARA Jeni Ariyanti; Desrita Desrita
AQUACOASTMARINE Vol 6, No 3 (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 know the catch of Tor fish (Tor spp.) and Tor trower habitat condition (Tor spp.) in Upstream Wampu Basin of Langkat Regency of North Sumatera. Sampling was conducted for three months, from July to September 2017. Fish was caught with backpack electrofishing units. Water quality measurement was done in situ. The catch in the Berkail River was higher than the catch in the Bahorok River, because the Berkail River has more dense vegetation than the Bahorok River. Overall, the water condition in Upper DAS Wampu is still above the standard quality water quality threshold.Keywords: Catch, Water Condition, Tor Fish (Tor spp.)
Absorbsi Kadmium (Cd) dan Timbal (Pb) oleh Bandeng (Chanos chanos) pada Tambak Komplangan di Desa Tanjung Rejo Kecamatan Percut Sei Tuan Daniel Abas Herman Silalahi; Yunasfi Djayus; Nurmatias Nurmatias
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Aplication of silvofishery cultivation technique in TanjungRejo Village, PercutSei Tuan Sub District still not well managed. This happens because it enters The PaluhMerbau water source directly without water management process first. Remembering The PaluhMerbau is still intersect with Deli Estuary that has been polluted heavy metals then the autors are interested to do this research. This study aims to calculate the amount of heavy metal concentrationabsorbed by milkfishin Tanjung Rejo Village Percut Sei Tuan Subdistrict.This scientific report surveyed within a month in July 2017 and analyzed using an atomic absorption spectrophotometer (AAS).The result of UPT LPPMHP Medan test showed that the concentration of cadmium and lead on milkfish’s liver and milkfish’s gill has been contaminated by heavy metals cadmium and lead but still belowquality standards.Keywords: Heavy metal, cadmium, lead, milkfish and silvofishery.
Pengaruh Perbedaan Suhu Air terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Nila (Oreochromis niloticus) Putri Clarita Sihombing; Syammaun Usman
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research aims to determine how significant is the influence of temperature against the growth and survival of tilapia fish and to know a good temperature for the growth of tilapia fish. The methods used in these research was a Randomized Complete Design method (RCD) with three treatments and three replicates those are T1 (27oC), T2 (29oC) and the T3 (31oC). The results showed the highest growth found in T2 treatment with 5.1 cm added length and weight increase of 21.15 g, then followed the T2 treatment with 3.7 cm added length and weight increase of 17.27 (g) and lowest growth found in the T3 treatment with the length increase of 2.6 cm and 15.27 g weigh enhancement. The highest survival value for the maintenance of the refractory treatment was in the T1 treatment of 76.67%. Supporting water quality parameters obtained were pH ranging from 6.6 to 7.4 and DO ranging 4.0 to 5.2 mg/l. The normal range of temperature for the maintenance of the tilapia fish ranging between 25-28oC, but the best temperature for the growth of Tilapia fish is 27oC. The difference in temperature give a noticeable or significant influence towards the growth and survival of fish Tilapia.Keywords: Temperature, Tilapia, Growth, Survival.
Pengaruh Pemberian Pakan Alami yang Berbeda terhadap Pertumbuhan dan Kelangsungan Hidup Larva Ikan Nila (Oreochromis niloticus) The Agnes Kartika Silaban; Syammaun Usman
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Tilapia fish (Oreochromis niloticus) is one of the most widely cultivated freshwater fish species in Indonesia. The main problem in the cultivation of tilapia fish is mostly caused by the high number of mortality at the larvae stage which is largely due to the unavailability of the right feed. Natural feed is the most suitable feed used as larvae feed because it is easily digested and contains proteins that support the growth of larvae. This study aims to determine the effect of different natural feeding on the growth and survival of tilapia larvae. The method used in this study was a Complete Randomized Design (CRD) with three treatments and three replications: Tubifex sp. (T), Daphnia sp. (D) and Infusoria (I). The results showed the highest growth was in the treatment Tubifex sp. (T) with a length of 2,1 cm and an increase of weight is 0,31 gram, followed by Daphnia sp. (D) with a length of 1,6 cm and an increase of weight is 0,24 gram, and the lowest growth was in the Infusoria (I) treatment with 1,3 cm in length and 0,21 gram weight increase. The highest survival rate was found in Tubifex sp. (T) 93,06 %, then Daphnia sp. (D) 90,28 %, and the lowest in Infusoria treatment (I) 84,72 %. Feeding with different natural feed effect the growth of fish, but do not effect the survival rate of tilapia fish larvae.Keywords : Natural Feed, Fish Tilapia Larvae, Growth, Survival
Studi Keanekaragaman Bivalvia pada Zona Intertidal Pantai Sialang Buah Kabupaten Serdang Bedagai Provinsi Sumatera Utara Miftahul Zannah; Ipanna Enggar Susetya
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This study aims to determine the bivalve community structure in the intertidal zone at Sialang Buah Beach and find out the relationship of physical, chemical, substrate factors with bivalve species diversity in Sialang Buah Beach. This research has been done in intertidal zone Sialang Buah beach at March until April 2018. The location of sampling was determined by Purposive Sampling method at 3 stasions. The sampling of bivalvia got from 6 plot of each stasion in intertidal zone. The result from the research was 6 bivalvia species. There are Meretrix meretrix, Meretrix lusoria, Anadara antiquata, Anadara gubernaculum,Glauconome rugosa and Perna viridis. The conciseness was between 21-60 ind/m2, The various was between 1,15-1,35 including medium catagory, the similarity was between 0,71-0,75 the domination was between 0,24-0,44. The correlation of Principal Component Analysis between the various of bivalvie to Nitrat, Fosfat, Do, pH and C-organic was positively. The visibility, temparature, salinity, depth and the current was negative.Keywords : Sialang Buah Beach, Intertidal Zone, Bivalvia, Community Structure, Water Quality
Pengaruh Frekuensi Pemberian Pakan Alami Cacing Sutra (Tubifex sp.) terhadap Pertumbuhan dan Kelangsungan Hidup Larva Ikan Lele (Clarias sp.) Agnes Denni Simanullang; Syammaun Usman
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Catfish (Clarias sp.) is one of the fresh water species that is economical and one of the main comodities of aquaculture in Indonesia. Fulfillment the increasing of needs of community required cultivation supported the availability of adequate larvae with efficiency of feed production cost with the right feeding frequencies. This research aims to know the influence of the frequency of natural feeding silk worm (Tubifex sp.) towards growth and survival of catfish larvae. The method used in this study was a complete randomized design (RAL) with three treatments and three replications, as follows: P1 (feeding frequency 3 times a day), P2 (feeding frequency 4 times a day) and P3 (feeding frequency 5 times a day). The result showed that the different feeding frequency treatment had a very significant effect on growth but did not significantly affect the survival of larvae of catfish. The best feeding frequency in increasing larval growth and survival of larvae is P3 (feeding frequency 5 times a day) treatment with larval length increase of 3.6 cm and weight increase of 0.928 g.Keywords : Larvae of Catfish, Silk Worm, Feeding Frequency, Growth, Survival
Identifikasi Jenis-Jenis Echinodermata Pada Ekosistem Lamun Pantai Pandaratan Kabupaten Tapanuli Tengah, Provinsi Sumatera Utara Sri Wahyuni; Ipanna Enggar Susetya
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This study aimed to identify types of Echinoderms and charactheristics of Echinoderms in Pandaratan Beach. This research was conducted from April to May 2018. The samples was taken from 3 stations with repeating 3 times in Pandaratan Beach Central Tapanuli Regency of North Sumatra Province. The results of the research was found as many as 1472 individuals consisting of 4 classes and 7 species. The type of Echinoderms results are Archaster typicus, Diadema setosum, Lagamun laganum, Holothuria atra, Holothuria leucospilota, Holothuria scabra and Ophiocoma erinaceus.Keywords: Identification, Echinoderms, Pandaratan Beach 
PENGARUH PENAMBAHAN TEPUNG KEONG MAS (Pomacea canaliculata) PADA PAKAN KOMERSIL TERHADAP PERTUMBUHAN BENIH IKAN LELE DUMBO (Clarias gariepinus) Giffari Mohammad Saragih; Eri Yusni
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Dumbo fish are economically valuable fish, consumer demand is high enough, but not yet accompanied by intensive and optimal effort. One attempt to overcome this problem by substituting commercial feed with Golden Snail flour which has a high enough protein content as a protein. This study aims to determine the effect of flour on commercial feed on the growth of dumbo fish seeds. Fish is a 5-6 cm dumbo fish kept in size of 45x20x20 cm as many as 9 units arranged randomly. The research design was carried out with three parts: P4K0 (100% commercial feed), P3K1 (75% commercial feed + 25% conch flour), and P2K2 (50% commercial feed + 50% conch flour). The results showed that the golden snail flour can be used as substitution in fish feed, where the best yielding feed is P2K2 (commercial feed 50% + mas 50% cloves) with the length of 3.16 cm and weight 6.71 g, with a value of Conversion ratio of 1.22 and an 80% lifetime value.Keywords: Clarias gariepinus, Golden Snail Flour, Growth, Feed Conversion Rate, Survival Rate
Kajian Kesesuaian Wisata Dan Daya Dukung Kawasan Wisata Ancol Arung Jeram Kecamatan Sipispis Kabupaten Serdang Bedagai Sumatera UtaraKajian Kesesuaian Wisata Dan Daya Dukung Kawasan Wisata Ancol Arung Jeram Kecamatan Sipispis Kabupaten Serdang Bedagai Sum Siti Hamidah; Zulham Apandy Harahap
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Ancol Arung Jeram is a tourism place that used medium of rafting recreation and natural bathing which often visited by local tourist. This research aims to analyze the suitability of level tourism and carrying capacity of the area based on the physical condition of the Ancol Arung Jeram as object of tourism place and assess visitors perceptions of activities of tourist in Ancol Arung Jeram. The research was done on last of February until March 2018. Ancol Arung Jeram was used by visitors to do activities of natural bathing and rafting of course the activities will be supported by pontential in the region.The carrying capacity of the tourism of Ancol Arung Jeram in rafting category is 425 people/day and natural bathing category is 772 people/day. Tourism suitability index for rafting category is included in S1 (Very Suitable) and the natural bathing category is (Very Suitable).Keywords: Ancol Arung Jeram, regional carrying capacity, tourist suitability index, bath ,rafting ,ecotourism.
Keanekaragaman Ikan pada Ekosistem Padang Lamun di Pantai Pandaratan, Kecamatan Sarudik, Kabupaten Tapanuli Tengah, Provinsi Sumatera Utara Huwilda Inrika; Amanatul Fadhilah
AQUACOASTMARINE Vol 6, No 3 (2018): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

This research aims to know the diversity of fish in seagrass at Padaratan Beach. This research was conducted in Pandaratan Beach, Sarudik Subdistrict, Central Tapanuli Regency from March until April 2018. Gill net is instrument to catch the fish at three determined stations. The diversity of fish can be assessed by looking the composition of fish species and index of diversity. The results of this study show 196 individuals, consist of 12 families and 14 species. The highest number of fish spesies at station II with total catch of 70 individuals. The most dominating fish species at all of stations is Zenarchopterus gilli with value of relative abundance in first station 22,96%, second station 20,01% and the last station 23,07%. The value of diversity index (H’) of all stations can be categorized in medium class of which score between 2,367-2,439. The value of equalibility index of all stations can be categorized in stable class of which score between 0,897-0,903, while for the value of domination index of all stations can be categorized in low class of which score between 0,102-0,127.Keywords ; Fish, Seagrass, Abundance, Diversity, Pandaratan Beach

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