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Hasan Sitorus
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Journal : Aquacoastmarine

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Uji Efektivitas Antibakteri Ekstrak Daun Kamboja (Plumiera rubra) pada Konsentrasi yang Berbeda Terhadap Pertumbuhan Aeromonas hydrophila secara In Vitro Wan Nita Ulfani Barus; Hasan Sitorus; Indra Lesmana
AQUACOASTMARINE Vol 1, No 1 (2013): JURNAL AQUACOASTMARINE VOLUME 1, NO 1, DESEMBER 2013
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Indonesia the outbreaks of disease in red spotted fish is caused byA.hydrophila bacteria. Many efforts have been made by the experts to address thisoutbreak by both giving vitamins and giving probiotics and antibiotics. However aprolonged uncontrolled usage and improper dosage may lead to negative impactsto the species. Thus, the use of medicinal plants or fitofarmaka is a solution toovercome these problems. This research aims to know the effectiveness ofFrangipani leaf extract (Plumeira rubra) on the growth of bacteria A. hydrophilaand to determine the minimum dose of Frangipani leaf extract necessary to inhibitthe growth of bacteria. The research was conducted at Laboratory of FishQuarantine, Quality Control and Fisheries Product Safety Level I, Medan I. Theresearch used a completely randomized experiment method with 6 treatmentlevels and 3 replications. The research shows that, the Frangipani leaf extractdoses has highly significant effect on the growth of bacteria A .hydrophila, andthe minimum dose to inhibit the bacteria is 2 % with a clear zone diameter of 6.4mm.Key words : Effectiveness , Frangipani leaf extract, A. hydrophila
KEANEKARAGAMAN MAKROZOOBENTOS DI DANAU TOBA DESA HARANGGAOL KECAMATAN HARANGGAOL HORISAN KABUPATEN SIMALUNGUN Ariance Nurdaya Sitanggang; Hasan Sitorus; Riri Ezraneti
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The aims of study were to determine the diversity of macrozoobenthos and to analize the relationship of water quality parameters (temperature, pH, DO, BOD5) to diversity index of macrozoobenthos in Lake Toba , Village Haranggaol, Haranggaol Horisan Subdistrict, Simalungun District. Observations had been carried out three times in three locations, and each location sampling was conducted three replications. Regression analysis was used to determine the correlation of water quality parameters to diversity index of macrozoobenthos. Based on the research obtained that macrozoobenthos diversity index ranged from 1.53 to 1.90, uniformity index ranged from 0.82 to 0.95, the population density ranges from 332 to 645 ind/m2 and relative density ranged from 99.95 to 99.98 %. Regression analysis showed that the correlation coefficient (R) of 0.710 indicates that the relationship between water quality against the relatively strong macrozoobenthos diversity index and the coefficient of determination (R2) obtained at 0.505.Keywords: Diversity, Lake Toba, Macrozoobenthos.
STRUKTUR KOMUNITAS PERIFITON DI SUNGAI BINGAI KOTA BINJAI SUMATERA UTARA Periphyton Community Structure in Bingai River, Binjai City, North Sumatera Maria Christie Sembiring; Hasan Sitorus; Rusdi Leidonald
AQUACOASTMARINE Vol 3, No 1 (2015): JURNAL AQUACOASTMARINE VOLUME 3, NO 1, PEBRUARI 2015
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Bingai River is a river which flow through the Binjai City, with length 15 km and large 150 km² in North Binjai area. The research aims were to know the community structure and relation of physical-chemical waters factors to periphyton community structure in Bingai River, Binjai City, North Sumatera. The research had been conducted in July to Agustus 2014. The research used Purposive Random Sampling method. Sampling was performed three times in three observation stations. Physical-chemical parameters and biological observed were temperature, pH, dissolved oxygen, brightness, current, nitrates, phosphates, diversity and abundance of periphyton. Based on the result obtained at three stations to consist of 34 genus divided to 3 class, that was Bacillariophyceae (23 genus), Chlorophyceae (8 genus), and Cyanophyceae (3 genus). Periphyton with the highest result in station 1 was Frustulia and the lowest result was Closterium, in station 2 the highest result was Navicula and the lowest was Terpsinoe, Skeletonema, Microspora, Fragilariforma, Oscillatoria, and Cosmarium, in station 3 the highest result was Navicula and the lowest was Terpsinoe. Periphyton Diversity (H´) ranged from 2,38 − 2,70. Abundance ranged from 10.136 − 30.216 ind/cm². Temperature averaged 28°C, pH ranged from 7,35 − 7,45, DO ranged from 4,65 − 4,75 mg/l, brightness ranged from 42,5 − 60 cm, current ranged from 0,15 − 0,21 m/det, nitrate ranged from 2,1 −2,55 mg/l, phosphate ranged from 0,18 − 0,25 mg/l. According to Diversity Index (H´) and physical-chemical factors Bingai River categorized as lightly polluted water.Keywords : Periphyton, Community Structure, Diversity, Abundance, Bingai River.
KUALITAS PERAIRAN SUNGAI ULAR KABUPATEN DELI SERDANG SUMATERA UTARA Water Quality in the River Ular Deli Serdang, North Sumatera Province Theresia Jilfiola S; Hasan Sitorus; Zulham Apandy Harahap
AQUACOASTMARINE Vol 3, No 2 (2015): JURNAL AQUACOASTMARINE VOLUME 3, NO 2, APRIL 2015
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

River ecosystems is very important for human life because provide water for human activities such as agriculture, fisheries, industry and domestic. Community activities of agricultural and sand mining activities in the River Ular can be a source of water pollutant that which affect on water quality parameters of physics, chemistry and biology. Water had been studied and compared to the Quality Standard Government Decree No.82 of 2001 by using Storet method. The research was conducted in June 2014 through August 2014 along the River ular from Deli Serdang district boundary to the mouth of the river ular in Muara Pantai Indah. Measurement of water quality parameters was done at 3 stations with 3-point decision. The method used in the determination of water quality sampling station was purposive random sampling. River Ular water quality parameters based on chemicall physics with methods storet showed polluted water to moderate polluted condition. The highest a bundance of plankton found at agricultural area sand the lowest at estuary area. Plankton diversity index values was moderate, low uniformity and there is not dominant species. River Ular water quality based water quality standards according to Regulation No.82 of 2001can be utilized for the fish farming and agriculture to the designation of class III and IV.Keywords: Water quality parameter, Standards Regulation, Storet Method, River Ular
KOMUNITAS MAKROZOOBENTOS DI SUNGAI PERCUT KECAMATAN PERCUT SEI TUAN KABUPATEN DELI SERDANG SUMATERA UTARA Macrozoobentos Community in Percut River, Percut Sei Tuan District, Deli Serdang Regency, North Sumatera David Putra P Situmorang; Hasan Sitorus; Desrita Desrita
AQUACOASTMARINE Vol 3, No 2 (2015): JURNAL AQUACOASTMARINE VOLUME 3, NO 2, APRIL 2015
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Percut river is one of the rivers that flow in Deli Serdang which release into Malaka Straits. The objective of the research were to determine the macrozoobentos community structure and relation of chemical and physical parameters of water to diversity index and family biotic index of macrozoobentos in Percut River, Deli Serdang Regency. The research was conducted by using purposive random sampling method in four stations and four times sampling period on July until August. Physical and chemical parameters observed were temperature, flow rate, turbidity, TSS, pH, DO, BOD5, TOM and substrat structure. Based on the research was found 12 genera of macroozoobenthos as Branchiura, Tubifex, Penaeus, Scylla, Anadara, Melanoides Thiara, Elimia, Pleurocera, Filopaludina, Nerita dan Pila. The highest density was obtained at around of domestic area of 88.1 ind/m2 and the lowest density at around of agricultural area of 51 ind/m2. The highest diversity index of 1.683 (moderate) was obtained at around of fish landing area, and the lowest diversity index of 1,263 (moderate) was obtained at around of domestic area. Based on the family biotic index indicate that the Percut River not suitable for freshwater aquaculture.Keywords : Makrzoobentos, Community Structure, Percut River
STRUKTUR KOMUNITAS MAKROZOOBENTOS DI PERAIRAN SUNGAI BINGAI KECAMATAN BINJAI BARAT KOTA BINJAI (Community Structure of Macrozoobenthos in the River Bingai at West Binjai Subdistrict of Binjai City) Navisa Fairuz; Hasan Sitorus; Indra Lesmana
AQUACOASTMARINE Vol 3, No 3 (2015): JURNAL AQUACOASTMARINE VOLUME 3, NO 3, JUNI 2015
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

River Bingai is used variety of human activities that may increase water pollution which effect on the biological, chemical and physical of water. The objective of the research are to determine the macrozoobenthos and its related to chemical and physical parameters. The method used in this research is purposive sampling where river waters Bingai used as a research location. Based on the research was found 3 classes and 7 genusses of macrozoobenthos in waters of River Bingai, West Binjai Subdistrict. The gastropods was the most abundance in the river. Index of species diversity showed lower value that means water quality was moderate. The evenness index and dominan index was coherent to water quality condition.Keyword : Macrozoobenthos Community, Water Quality, River Bingai.
HUBUNGAN PANJANG BOBOT DAN INDEKS KEMATANGAN GONAD IKAN TEMBANG (Sardinella fimbriata) DI PERAIRAN PANTAI LABU KABUPATEN DELI SERDANG SUMATERA UTARA Cherin Monalisa S; Hasan Sitorus; Ani Suryanti
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 objective of the research was to determine the growth and reproduction aspects based on relationship between of length weight and Gonad Maturity Index (IKG) of Fringescale Sardine (Sardinella fimbriata). The research had been conducted in Labu coastal water, Deli Serdang District of North Sumatera Province for 3 (three) months starting from November 2014 until January 2015. The result are expected to be a source of information that useful for fish resource management to gain the optimal and sustainable utilization.The number of fish samples was 270 fishes which consist of 119 female fishes and 151 male fishes. The result showed that the length range of female fishes was larger than male fishes. Female fish growth pattern was isometric, and male fish was negative allometric.Conditions factor and IKG of female fish was larger than male fish. The correlation of length weight with IKG of fish was strong.Keywords : Length Weight, IKG, Tembang Fish, Labu Coastal Waters.
STUDI TUTUPAN KARANG DI PULAU JANGGI KECAMATAN TAPIAN NAULI KABUPATEN TAPANULI TENGAH PROVINSI SUMATERA UTARA Study of Lifeform Coral in Janggi Island Tapian Nauli Subdistict District of Tapanuli Tengah, North Sumatera Province Nanda Rizki; Hasan Sitorus; Zulham Apandy
AQUACOASTMARINE Vol 4, No 2 (2016): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

NANDA RIZKI. Study of Lifeform Coral in Janggi Island Tapian Nauli Subsistrict, District of Tapanuli Tengah, Sumaterea Utara. Under Academic Supervision by HASAN SITORUS and ZULHAM APANDY HARAHAP.Janggi Island at Tapian Nauli subdistrict, District of Tapanuli Tengah is one small island and a part of Mursala Island as the main island. The aims of the study are to analize the percentage of coral covered area and the condition of coral reefs ecosystem in the Janggi Island. The research used survey method by using line intercept transect (LIT) in two research stations with line transect 70 meters and three replications in each transect. Guidelines for measuring the condition of coral refers to Keputusan Badan Pengendalian Dampak Lingkungan Hidup No. 47 of 2001. The results showed the condition of coral reefs in the Janggi island was good health category with coral covered area of 56,93%. The result increased if it compared to monitoring that conducted by Marine and Fisheries Department of North Sumatera in 2012 (46,83%). The lifeform coral percentages were included into the category Hardcoral Non-acropora to cover a percentage of 39,73% at the first station and 46,20% in the second station, which was dominated by coral massive (CM).Keywords: coral covered area, Janggi Island, Tapanuli Tengah
ANALISIS KESESUAIAN DAN DAYA DUKUNG KAWASAN WISATA PANTAI LHOKNGA KECAMATAN LHOKNGA KABUPATEN ACEH BESAR Analysist of Suitability and Carrying Capacity of Lhoknga Beach Tourism Lhoknga Subdistrit Aceh Besar District Taufiq hidayat; Hasan Sitorus; Eka Budiyulianto
AQUACOASTMARINE Vol 4, No 3 (2016): JURNAL AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Lhoknga beach is one of the beaches located in the subdistrict of Lhoknga, Aceh Besar District adjacent to Lampuuk beach and can be reached through the way Banda Aceh-Calang. Lhoknga beach is an attraction area for peoples of Banda Aceh, Aceh Besar and other areas that are nearby. This study was conducted in December 2014 to April 2015. Results showed that the water quality parameters in accordance with the quality standards based to Kep-51/MENLH/2004 for tourist activities. Region in Lhoknga Beach as a whole falls into the category of very suitable (S1) indicates the region had not barrier serious to apply the treatment given or only a barrier that did not significantly affect used and would not increase the input / level of treatment given to be used as a beach resort (recreation, swimming, sunbathing, water sports and fishing). The level of carrying capacity in the area of Lhoknga beach was 175 peoples/day or 1.225 peoples /week. The number of visitors who come to the coast about of 136 peoples / week.Keywords : Aceh Besar, Carrying Capacity, Lhoknga Beach, Suitability.
ANALISIS KANDUNGAN LOGAM BERAT TIMBAL (Pb) PADA IKAN PELAGIS KECIL YANG DIDARATKAN DI PPS BELAWAN KECAMATAN MEDAN BELAWAN SUMATERA UTARA Novita Sari Siboro; Hasan Sitorus; Indra Lesmana
AQUACOASTMARINE Vol 4, No 4 (2016): AQUACOASTMARINE
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The development of the technology has driven the growth of industry, on the one side can increase economic growth, but on the other side can lead to destruction of the environment especially marine organisme that fish due to the negative impact of the waste it generates. The objective of the the research are to analize the heavy metal concentration of Pb in sea water and small pelagic fishes (Decapterus sp, Rastrelliger sp and Sardinella fimbriata) landed at PPS Belawan and analysis the correlation of heavy metal Pb in sea water and body of fishes. The research was conducted at Medan Belawan Subdistrict, North Sumatera Province. Analysis of heavy metal Pb content in sea water and body of fishes was carriedout at the Medan Research and Industry Standarization Laboratory. Result showed that the range concentration of Pb in sea water was 0.17 ppm to 0.20 ppm, while in body of fish of Decapterus sp was 0.50 ppm to 1.18 ppm, Rastrelliger sp was 0.24 ppmto 0.97 ppm and Sardinella fimbriata was 0.23 ppm to 0.50 ppm. Compared to Regulation of National Standarization on 2004 the concentration of heavy metal Pb in body fishes had exceeded the level standard of 0.2 ppm. Based on the regresion analysis the correlation (r) of heavy metal contentration in sea water was very strong to heavy metal concentration in body fishes with value 0.73.Keywords : Plumbum, Sea Water, Small Pelagic Fish, Belawan
Co-Authors Adolf C Sinambela Ahmad Muhtadi Amos Christoper Meliala Ani Suryanti Ariance Nurdaya Sitanggang Bibiana W . Lay Cherin Monalisa S David Putra P Situmorang Delima Sari Siregar Desrita Desrita Dhiandra Puteri Eka Budiyulianto Harry Muda Hasibuan Icha Andari Ritonga Indra Lesmana Kadarwan Soewardi Kimberly Febrina Kodrat Kimberly Febrina Kodrata Lora Luita Anjelina Maria Christie Sembiring Memory Oktavia Sihombing Nanda Rizki Navisa Fairuz Novita Sari Siboro Putra S. A Sihaloho Riri Ezraneti Rusdi Leidonald Syamsul Arifin Theresia Jilfiola S Wan Nita Ulfani Barus Yoes Soemaryono Zulham Apandy Zulham Apandy Harahap