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Contact Name
Dietriech G. Bengen
Contact Email
dieter@indo.net.id
Phone
+62251-8627323
Journal Mail Official
dieter@indo.net.id
Editorial Address
Departement of Marine Science and Technology Faculty of fisheries and marine science, IPB University Jln. Lingkar Akademik, Kampus IPB Darmaga, Bogor 16680, Indonesia
Location
Kota bogor,
Jawa barat
INDONESIA
Jurnal Ilmu dan Teknologi Kelautan Tropis
ISSN : 20879423     EISSN : 2620309X     DOI : https://doi.org/10.29244/jitkt
Core Subject : Science,
Aims and Scope Journal of Tropical Marine Science and Technology (Jurnal Ilmu dan Teknologi Kelautan Tropis) is a scientific journal in the field of tropical marine science and technology. We have a aims and scope to focus in publishing a good quality scientific articles for dissemination of research results in the field of marine science and technology. Aims As an media of information and dissemination of research results in the field of marine science and technology, especially in the waters of Indonesia and Southeast Asia region, Could actively and continuously disseminate the best research results to various stakeholders, and; This Journal of Tropical Marine Science and Technology can improve the quality of research results and benefit stakeholders. Scope The article, published in this Journal of Tropical Marine Science and Technology covers a wide range of research topics in the field of: marine biology, marine ecology, biological oceanography, chemical oceanography, physical oceanography, dynamical oceanography, coral reef ecology, marine acoustic, marine remote sensing, marine geographical information system, marine microbiology, marine polution, marine aquaculture, post-harvest fisheries technology, integrated coastal management (ICM) marine biotechnology, air-sea interaction, ocean engineering,
Arjuna Subject : Umum - Umum
Articles 658 Documents
EGGS PRODUCTION OF GROUPER HYBRID FOR SUPPORTING HATCHERY BUSINESS Suko Ismi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 2 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (849.567 KB) | DOI: 10.29244/jitkt.v9i2.19310

Abstract

The grouper hatchery now has been widely developed, usually purchased eggs from the business that produces hybrid grouper eggs   in accordance with the amount as needed. Eggs grouper that is currently in demand are eggs grouper cantang that is a cross-breed between female tiger grouper (Epinephelus fuscoguttatus) and male giant grouper (Epinephelus lanceolatus) and cantik that is a cross-breed between female tiger grouper and male grouper batik (Epinephelus Microdon). The purpose of this research is to get information about hybrid egg production activities, marketing and economics. The study was conducted in Buleleng regency in January-December 2015, data was taken from five hatchery or business that produces only hybrid grouper egg that is one business (A) in the village of Banyuasri, Buleleng district; Three businesses (B); (C) and (D) in the village of Penyabangan, Gerokgak district and the effort (E) in the village of Banyupoh, Gerokgak district, the data were analyzed descriptively. The results of the five businesses may produce as many eggs as five to eight times a year by the amount that can be marketed  24,200,000 - 44,500,000 eggs. The result of business analysis R / C ratio > 1 which means the business is profitable. Keyword: eggs, hatchery, hybrid, production, support
LOBSTER FISHERY MANAGEMENT IN THE MARINE ECOSYSTEM APPROACH AT SIMEULUE ISLAND WATERS (WPP-NRI 572) . Edwarsyah
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 2 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.379 KB) | DOI: 10.29244/jitkt.v9i2.19311

Abstract

The lobster fishery is one of the leading fisheries commodity on Simeulue Regency so that local government must manage wisely in order to maintain the sustainability of the lobster fishery. Aceh Government Regulation namely Qanun Aceh No. 7 of 2010 concerning fisheries already in effect. However, the institutional system has not functioned optimally in the management of lobster fisheries. The purpose this study is to examine the domain of fishing techniques, socio-economic and institutional management of lobster fisheries with ecosystem approaches in Simeulue waters. Research method using qualitative research. The method of data collection is survey method which is done by purposive sampling approach that is by doing depth responder interview which is considered informative and wide knowledge about the institute. Data analysis using EAFM analysis done with Flag Modeling technique. Based on the results of the study that the assessment of the fishing domain techniques and economic domains in aggregate showed bad category. Meanwhile, social domains and institutional domains show moderate categories so aggregate composites overall show fewer categories. It is therefore necessary to make a tactical decision from the bad to be better in accordance with the category of each EAFM domain. Keywords:  fisheries management with ecosystem approach (EAFM), WPP 572, Simeulue
SUITABLITY AND CARRYING CAPACITY OF KARTINI BEACH JEPARA AS COASTAL TOURISM DESTINATION Achmad Fama; . Haeruddin; Frida Purwanti
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 2 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (759.239 KB) | DOI: 10.29244/jitkt.v9i2.19312

Abstract

Kartini beach as a marine tourism in Jepara, Central Java that have beach attraction consist of natural environment area suitable for tourism. Its potency have opportunity to be developed as marine ecotourism. The current problem is increasing number of visitor each year that might degrades the environment. The aims of this reseacrh are to analyse tourism suitability and to assess carrying capacity of the Kartini Beach as beach tourism. This research was conducted in Desember 2016 – March 2017 at the Kartini Beach of Jepara. The methods uses analysis of land suitablity for beach recreation and carrying capacity analysis. The result shows that suitability index in location 1 to 3 are suitable with value about 48 % – 60 % as beach recreational area. The results of carrying capacity analysis of location 1 with total area of 0,22 ha is 176 people / day,  location 2 with total area of 0,1 ha is 80 people / day, and location 3 with total area of 0,13 ha is 104 people / day. The conlusions of this reseacrh are Kartini beach is suitable for beach recreation and the number of visitor has esceeds the ability of carrying capacity.  Keywords: beach tourism, land suitablity, carrying capacity, Kartini beach, Jepara
MANEUVERING PERFORMANCE OF A 30 GT FISHING VESSEL WITH ASYMMERICAL PROPELLER CONFIGURATION Andi Haris Muhammad; . Syarifuddin; Daeng Paroka; Sabaruddin Rahman; . Wisyono; Andi Angga Pratama
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 2 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.82 KB) | DOI: 10.29244/jitkt.v9i2.19314

Abstract

Fishing vessels are designed with a specific mission. That mission is to locate, catch, and preserve fish while out at sea, meanwhile the vessel needed to have good maneuverability. This research describes a study on asymmetrical propeller configuration of a fishing vessel to improve its maneuvering quality. MATLAB-simulink program was used to simulate, the turning circle and the zigzag maneuvers. The simulation program was developed based on the mathematical model for a fishing vessel maneuvering. The mathematical model involved the setting-up a 3 DOF (Degres of Freedom) mathematical model in a modular of MMG (Mathematical Modeling Group) of the hull, propeller and rudder component. The result indicated that twin propeller with asymmetrical had an advantages of turning circle ability of 8% to 14 %, meanwhile the zigzag maneuver 20°/20° had 9 to 20 % 1st overshoot different between left and right heading.                                                                                         Keywords: Configuration, propeller, assymetrical, fisheries, simulation
PROFIL METABOLIT SEKUNDER, AKTIVITAS ANTIBAKTERI DAN KOMPOSISI SENYAWA YANG TERKANDUNG DALAM EKSTRAK METANOL TERIPANG Stichopus horrens Abdullah Rasyid; Tri Wahyuningsih; Ardi Ardiansyah
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 10 No. 2 (2018): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (219.57 KB) | DOI: 10.29244/jitkt.v10i2.19480

Abstract

Stichopus horrens merupakan salah satu jenis teripang yang memiliki potensi untuk dikembangkan sebagai sumber bahan antibakteri dari laut. Sampel teripang S. horrens yang digunakan dalam penelitian ini berasal dari perairan Teluk Ratai Lampung pada bulan April 2016. Penelitian ini bertujuan untuk menentukan jenis metabolit sekunder, aktivitas antibakteri dan komposisi senyawa yang terkandung dalam ekstrak metanol teripang Stichopus horrens. Metode ekstraksi yang digunakan adalah metode maserasi menggunakan pelarut metanol. Identifikasi metabolit sekunder dengan pengamatan reaksi warna, pengendapan dan buih. Metode yang digunakan untuk uji aktivitas antibakteri adalah metode difusi agar, sedangkan analisa komposisi senyawa menggunakan Kromatografi Gas – Spektroskopi Massa (KG-SM). Hasil identifikasi golongan metabolit sekunder menunjukkan bahwa ekstrak metanol teripang S. horrens mengandung steroid dan saponin. Hasil uji aktivitas antibakteri menunjukkan bahwa ekstrak metanol teripang S. horrens hanya memiliki aktivitas antibakteri terhadap Bacillus subtilis dan Vibrio eltor. Berdasarkan hasil penelitian dapat disimpulkan bahwa terdapat 7 senyawa dengan indeks kemiripan sama atau lebih besar dari 90%. Senyawa tersebut terdiri dari asam 9,12-oktadekadienoat, asam heksadekanoat, 3,8-di-tert-butil-1,10-fenantrolin, 1,13-tetradekadiena dan 6,9-pentadekadien-1-ol. Senyawa dengan kelimpahan terbesar adalah 6,9-pentadekadien-1-ol yaitu 28,48% dengan waktu retensi 18,597 menit. 
KELIMPAHAN DAN KELOMPOK FITOPLANKTON DI PERAIRAN LUAR TELUK WONDAMA, PROVINSI PAPUA BARAT . Alianto; . Henri; . Suhaemi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 10 No. 3 (2018): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1574.858 KB) | DOI: 10.29244/jitkt.v10i3.19561

Abstract

ABSTRAKKelimpahan sel fitoplankton di perairan laut tergantung pada kualitas kelompok fitoplakton dan parameter oseanografi. Penelitian bertujuan mengetahui kelimpahan dan kelompok fitoplankton serta hubungannya dengan suhu, pH, salinitas, amonia, nitrat, dan silikat. Penelitian berlangsung dari bulan Juli 2014 sampai September 2014 di perairan sekitar Pulau Roswar dan Roon bagian luar Teluk Wondama. Identifikasi fitoplankton dilakukan dengan metode sensus di atas Sedgwick Rafter Cell. Pengukuran konsentrasi amonia, nitrat, dan silikat secara berturut-turut dengan metode penat, brusin, dan molibdosilikat. Hasil menunjukkan total rata-rata kelimpahan sel fitoplankton sebesar  274,541±214,873 sel/m3  dan tertinggi pada bulan Agustus  sebesar 462,951±210,802 sel/m3 (P<0,005). Kelompok fitoplankton dan kontribusinya pada total kelimpahan fitoplankton terdiri dari Bacillariophyceae (31,28%), Cyanophyceae (64,43%), Dinophyceae (4,24%), dan Chrysophyceae (0,02%). Nilai suhu, pH dan salinitas serta konsentrasi amonia dan silikat homogen dengan nilai rata-rata secara berturut-turut sebear 29,6±0,07°C, 8,2±0,04, 32,3±0,07‰, 0,04±0,01 mg/L, 0,31±0,09 mg/L. Berbeda dari   nitrat konsentrasinya tinggi pada bulan September dengan rata-rata sebesar 0,02±0,01 mg/L (P<0,005). Kelimpahan sel fitoplankton sangat tergantung pada amonia, nitrat dan silikat (hubungan positif) terutama nitrat (R2 = 54,4%). ABSTRACTMarine phytoplankton abundance depends on the quality of phytoplankton groups and oceanographic parameters. The purposes of this study were examining the abundance and phytoplankton group and its relation with temperature, pH, salinity, ammonia, nitrate and silicate. The study were started  from July 2014 to September 2014 in the Roswar and Roon island in outer waters of the Wondama Bay.  Identification of the abundance phytoplankton calculated by census method with a Sedgwick Rafter Cell. While, the measurement of ammonia, nitrate, and silicate concentrations successively using the method of penat, brusin, and molybdosilicat. The results showed that total mean of phytoplankton cell abundance of 274.541±214.873 cell/m3 and the highest in August of 462.951±210.802 cell/m3 (P<0.005). The phytoplankton groups and its contribution on the total abundance of phytoplankton consisted of Bacillariophyceae (31.28%), Cyanophyceae (64.43%), Dinophyceae (4.24%), and Chrysophyceae (0.02%). The values of temperatures, pH and salinities as well as the concentrations of homogeneous ammonia and silicate with values mean were 29.6±0.07°C, 8.2±0.04, 32.3±0.07‰, 0.04±0.01 mg/L, 0.31±0.09 mg/L, respectively. In contrast to nitrates, high concentration was found in September with an mean of 0.02±0.01 mg/L (P<0.005). The abundance of phytoplankton cells is highly dependent on ammonia, nitrate and silicate (positive corelation) especially nitrate (R2 = 54.4%). 
ASPEK BIOLOGI HASIL TANGKAPAN PANCING ULUR PADA RUMPON PORTABLE Mulyono S Baskoro; Roza Yusfiandayani; Sutia Yuningsih
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 11 No. 2 (2019): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (602.603 KB) | DOI: 10.29244/jitkt.v11i2.19577

Abstract

Rumpon portable merupakan rumpon yang tidak diletakkan secara tetap di perairan, tetapi diletakkan pada saat akan melakukan kegiatan penangkapan ikan. Tujuan dari penelitian ini adalah mengidentifikasi tingkat kematangan gonad, menganalisis hubungan isi perut hasil tangkapan dengan kelimpahan plankton yang tertarik pada rumpon portable, menganalisis indeks keanekaragaman, keseragaman, dan dominan plankton yang terdapat pada isi perut ikan dengan plankton yang terdapat pada perairan, menganalisis trofik level jenis ikan di sekitar rumpon portable. Metode penelitian dilakukan dengan cara experimental fishing dan uji laboratorium. Analisis data yang digunakan dalam penelitian ini yaitu analisis tingkat kematangan gonad, stomach content analysis, indeks keanekaragaman, indeks keseragaman dan indeks dominansi, serta analisis trofik level. Total hasil tangkapan ikan sebanyak 165 ekor didominasi oleh jenis ikan kembung dan ikan tongkol. Ikan-ikan lainnya yang tertangkap yaitu jenis ikan todak, barakuda dan selar kuning. Hasil analisis menunjukkan bahwa hasil tangkapan didominasi oleh ikan dengan TKG II sebanyak 53%, dan disusul ikan dengan TKG I sebanyak 38% dari total hasil tangkapan. Ikan-ikan yang tertangkap pada penelitian ini terdiri dari ikan pemakan plankton atau plankton feeders dan ikan karnivora. Organisme yang ditemukan dalam isi perut ikan yaitu ikan kecil, cumi-cumi, fitoplankton yang terdiri dari 7 genus, serta beberapa genus dari zooplankton. Hasil tangkapan ikan terbanyak ditangkap pada pengamatan hari ke-2 dengan jumlah tangkapan sebanyak 34 ekor.
KARAKTER MORFOMETRIK DAN ASOSIASI TUNA SIRIP KUNING Thunnus albacares DAN TUNA BAMBULO Gymnosarda unicolor (Ruppell) DI PERAIRAN SIMEULUE, PROVINSI ACEH Burhanis Burhanis; Dietriech Geoffrey Bengen; Mulyono Sumitro Baskoro
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 10 No. 2 (2018): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (730.521 KB) | DOI: 10.29244/jitkt.v10i2.19607

Abstract

Pulau Simeulue yang dikelilingi oleh terumbu tepi, secara geografis termasuk ke dalam wilayah Kabupaten Simeulue yang berbatasan langsung dengan Samudera Hindia. Tuna sirip kuning Thunnus albacares dan tuna bambulo Gymnosarda unicolor merupakan jenis epipelagik yang potensial di perairan Simeulue. Kedua jenis tuna ini belum banyak dipelajari karakter bio-ekologinya. Penelitian ini penting dilakukan untuk mengetahui karakter morfometrik dan mengkaji asosiasi spesifik tuna di perairan Simeulue. Penelitian dilakukan pada bulan Februari 2017, dengan metode pengamatan dan pengukuran langsung tuna hasil tangkapan nelayan yang menggunakan alat tangkap pancing ulur, dan selanjutnya dianalisis dengan menggunakan analisis komponen utama (principal component analysis) dan analisis cluster. Hasil tangkapan tuna sirip kuning sebanyak 85 ekor dengan kelas ukuran 35-105 cm dan sebanyak 189 ekor tuna bambulo dengan kelas ukuran 40-110 cm. Karakter morfometrik tuna sirip kuning dan tuna bambulo yang didominasi ukuran besar terdapat di stasiun Teupah Selatan, dan dominasi ukuran kecil di stasiun Simeulue Timur. Asosiasi spesifik tuna sirip kuning dan tuna bambulo pada tingkat similaritas 80,0% membentuk 3 (tiga) kelompok.
DIVERSITAS EKHINODERMATA (ASTEROIDEA, ECHINOIDEA DAN HOLOTHUROIDEA) DI PERAIRAN PULAU OSI, SERAM BARAT-MALUKU TENGAH Eddy Yusron; Edward
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 11 No. 2 (2019): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.287 KB) | DOI: 10.29244/jitkt.v11i2.20109

Abstract

Study of diversity Echinoderms (Asteroidea, Echinoidea and Holothuroidea) at the beach area of Osi Island, Central Maluku. Observation on echinoderms diversity was carried out at the coastal areas in July 2012. The purpose of this study is to get information about the cummunity structure of the echinoderm in the Osi Islands coastal areas, Maluku Tengah. Sampling was conducted by using quadrate transect of 1 m x 1 m. The results of this study showed that there were 16 species of echinoderms, belongs to four species of Asteroidea, five species of Echinoidea and seven species of Holothuroidea. The Holothuroidea were commonly found in the seagrass zone. Based on the data from the three sampling tations, Holothuroidea has the highest density among the other observed biota. The quantitative analysis revealed that the highest diversity and evenness indexes of faunal assemblage was found at tation two (H = 1.117; J = 0.974), while the highest species richness was represented by the Echinoderms from tation one (D = 0.079). Generally, all biota found in this study (14 species) prefer seagrass as microhabitat, nine species occupy sandy areas and eight species inhabit seaweed.
DIAGNOSIS DAN PENGENDALIAN PENYAKIT INFEKSIUS PADA INDUK KUDA LAUT, Hippocampus kuda DI HATCHERY Des Roza
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 10 No. 2 (2018): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.791 KB) | DOI: 10.29244/jitkt.v10i2.20173

Abstract

Produksi benih kuda laut, Hippocampus kuda di hatchery telah berkembang di Bali Utara. Tujuan penelitian ini untuk mendiagnosis dan pengendalian penyakit infeksius pada induk kuda laut di hatchery. Tetapi masalah yang dihadapi adalah tingginya tingkat kematian induk selama pemeliharaan di hatchery, yang diduga akibat infeksi penyakit. Penelitian ini dilakukan untuk mendiagnosis agen penyakit melalui serangkaian observasi, isolasi, dan identifikasi serta melakukan pengendalian penyakit. Hasil menunjukkan bahwa dari uji MIC memperlihatkan bahwa pertumbuhan bakteri V. alginolyticus dapat dihambat dengan larutan campuran 1 ppm nifurpirinol 10% dan 2,5 ppm vetstrep. Sedangkan penggunaan copper sulfat 0,5 ppm dan formalin 20 ppm mampu mematikan C. irritans, sementara itu acriflavin netral 5 ppm dan formalin 20 ppm efektif membunuh Trichodina sp. Berdasarkan hasil penelitian dapat disimpulkan dari induk kuda laut telah diperoleh satu isolat bakteri Vibrio alginolyticus dan duajenis protozoa Cilliata parasitic, yaitu Cryptocaryon irritans dan Trichodina sp.

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