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Jurnal Ilmu dan Teknologi Kelautan Tropis

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Published by Institut Pertanian Bogor

ISSN : 20879423 EISSN : 2620309X DOI : https://doi.org/10.29244/jitkt

Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Library & Information 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

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EVALUATION OF THE USE OF FAAS FOR SR/CA CONCENTRATION ANALYSIS OF PORITES FROM AMBON BAY AND JUKUNG ISLAND CORAL Idha Yulia Ikhsani; Eki Naidania Dida; Sri Yudawati Cahyarini
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The ratio of Sr/Ca concentration in coral is usually used as paleothermometer. Inductively Coupled Plasma (ICP) is an instrument, which is often used to analyze Sr/Ca concentration in Porites sp. The method is very sensitive and requires small amount of sample. However, the availability of this instrument is very limited. To deal with it, Flame Atomic Adsorption Spectrophotometer (FAAS) is an alternative in order to analyze the concentration of various elements include Sr and Ca. The aim of this study was to evaluate the result of the analysis methods of strontium and calcium concentration in coral using FAAS and compared to ICP results. Sample of Porites coral was taken from Ambon Bay and Jukung Island. The strontium and calcium concentration were analyzed using Flame Atomic Adsorption Spectrophotometer (FAAS). The results showed that the average of ratio Sr/Ca in coral from Ambon Bay and Jukung Island were 8.71 and 7.708 mmol/mol. The monthly variation of ratio Sr/Ca in coral from Ambon Bay were 6.28 - 10.24 mmol/mol, while in coral from Jukung Island were 1.005 - 10.914 mmol/mol. Result of FAAS analysis was too broad in range compared to ICP, ie 8.462 - 8.807 dan 8.45 – 8.7 mmol/mol. The range was estimated due to the occurrence of strontium and calcium ionization reaction in flame of FAAS. Keywords: FAAS, coral, ratio Sr/Ca

SUSTAINABILITY ANALYSIS OF MANGROVE ECOSYSTEM FOR ECOFISHERYTOURISM IN SIDOARJO LUMPUR ISLAND Yanelis Prasenja; Abimanyu Takdir Alamsyah; Dietriech G. Bengen
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Sidoarjo Lumpur Island is an artificial island created as a solution to the handling of sediment deposition in Porong River Estuary as a result of the mudflow which flowed into the sea via the Porong River. Lumpur Island is currently utilized as a habitat for mangrove ecosystem extension as well as a site for aquaculture with wanamina system (silvofishery). Ecofisherytourism is a way to utilize mangrove ecosystem for ponds silvofishery based on educational and economic approach to achieve the welfare of society. In addition, ecofisherytourism has a direct benefit of preserving nature and the environment. The research objective was to evaluate the condition of the mangrove ecosystem and analyze the physical condition of the Sidoarjo Lumpur Island as a reference in developing the island as ecofisherytourism region. The methods used were a combination of quantitative and qualitative methods. Data were collected through analysis of aerial photographs, field measurements, observation and documentation. Mangrove ecosystem conditions in Lumpur Island was classified as good to be utilized as ecotourism and fisherytourism . The highest elevation of the island is the tidal zone where mangroves grow well. Keywords: ecofisherytourism, mangrove, silvofishery

INVENTORY AND DISTRIBUTION OF MOLLUSC IN CORAL REEF OF BACAN ISLAND WATERS, NORTH MALUKU PROVINCE Hendrik A.W. Cappenberg
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Bacan Island waters of North Maluku Province consisted of three main tropical ecosystems, namely mangrove, seagrass, and coral reef with the highest marine biodiversity. Mollusc is a group of marine fauna that most of them associated with coral reef. However, little is known about their information in the Bacan Island due to lack of study conducted there. The purpose of this study is to observe the diversity and distribution of mollusc fauna in the coral reef flat of Bacan Island. Mollusc inventory was done using Rapid Reef Resource Assessment (RRA) method by snorkling in the reefs of east coast (25 sites) and west coast (10 sites) of Bacan Island. The molluscs found were directly identified into species level and recorded. Results of inventory show that there are 47 species belong to 19 families with the family of Muricidae is the highest diversity (6 species), while the lowest are Buccinidae, Bursidae, Haliotidae, Olividae, Cardiidae, Isognomonidae and Spondylidae, respectively with only 1 species in each of those families. The highest species number of mollusc was distributed along the east coast of the island (40 species), and the lowest one was in the west coast (37 species). Some species such as Tridacna spp., Pinctada margaritifera and Pteria penguin are important species, because they have economical values. Keywords: biodiversity, molluscs, coral reef, Bacan Island, North Maluku

MANAGEMENT OF MANGROVE ECOSYSTEM POTENCY IN KUALA LANGSA, ACEH Nabil Zurba; Hefni Effendi; . Yonvitner
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The potency of mangrove ecosystems can be a provider of economic resources, preserving the ecological environment and providing environmental services. The existence of mangroves in Kuala Langsa is important to study about the economic potential, the potential of carbon sequestration in the form of biomass, coastal tourism potential and social potential of society in support of its development efforts. The result of the research shows that the potential existence of mangrove ecosystem to fishery sector is Rp. 657.563.000 / year, carbon sequestration potential in the form of biomass of 180.365 ton /year, with the economic value of carbon trade of Rp. 2.344.745.000/year, economic potential of coastal tourism reached Rp 22,921,107,253/year. Overall, the estimated total potential of existing mangrove ecosystems in Kuala Langsa is Rp. 29.923.415.253/year. To manage these potentials, a conservation strategy is required, performance improvement of customary institutions and the existence of such management institutions must be continuously strengthened. Keywords: institutional, Kuala Langsa, mangrove, potency, strategic management

SEDIMENT ACCUMULATION PROFILE IN MANGROVE RESTORATION AREA OF LEMBAR BAY-LOMBOK ISLAND Mohammad Sumiran Paputungan; Alan Frendy Koropitan; Tri Prartono; Ali Arman Lubis
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Mangrove restoration is really needed for restoring its ecosystem functions, so that it could be able to support fisheries activity and to protect coastal by extreme weather. In addition, mangrove is able to accumulate sediment that important in protecting the coastal area from sea level rise. Therefore, the aim of this study is to investigate sediment accumulation rate in mangrove area during post restoration. Sampling location were divided into three different stations based on estimated restoration ages, such as ≥ 15 years old (Station 1), 4 - 10 years old (Station 2) and 2 - 8 years old (Station 3). Sediment cores were carried out by inserting 7.6 cm diameter and 100 cm length of polyvinyl chloride pipes. Sedimentation rate is measured by using Pb-210 radionuclide analysis. The results show that the sediment accumulation rate in the last 20th years from all station ranges from 0.17 to 0.42 g/cm2/year. The highest accumulation rate is found at oldest year old station while the lowest accumulation rate is found at younger year old station of mangrove restoration area. Restoration process is clearly able to recover the mangrove’s role in trapping sediment in coastal region. Keywords: sediment accumulation, mangrove restoration, Lembar Bay- Lombok Island

IMPACT OF SNORKELING AND DIVING TO CORAL REEF ECOSYSTEM . Muhidin; Fredinan Yulianda; Neviaty Putri Zamani
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Panggang Island is one of the snorkeling and diving area in the Seribu Islands. Number of tourists increase every year in line with the improving of tourism infrastructure such as tourist boat and dive shops. Tourism activities not only provide economic benefits but also give negative impact on coral reef ecosystem. The results of direct observations showed that there was destructive impact from snorkeling and diving. The most destructive behavior done by snorkeling and diver who has license was stepping on the coral reef. While the most destructive behavior by diver who has no license was holding the coral reef. The continued effect of tourist destructive behaviour grouped into three categories such as rubble, scratches on top of coral colony, and crushed coral colony. Based on the tourism impact analysis showed that diverwho has not been licensed gived the greatest damage impact,it was 13.55% per year of the ecological potential. While the impact of snorkeling touristwas 5.05% and diver who has license gived the smallest effect, it was 2.36%. Comparison of coral reef data between 2010 and 2016 showed no significant changes to the coral reef, it means that until now coral reefs of Panggang Island still tolerate any disturbances including impact of tourism activities.Keywords : coral reef, diving, snorkeling, tourism, Panggang IslandPanggang Island is one of the snorkeling and diving area in the Seribu Islands. Number of tourists increase every year in line with the improving of tourism infrastructure such as tourist boat and dive shops. Tourism activities not only provide economic benefits but also give negative impact on coral reef ecosystem. The results of direct observations showed that there was destructive impact from snorkeling and diving. The most destructive behavior done by snorkeling and diver who has license was stepping on the coral reef. While the most destructive behavior by diver who has no license was holding the coral reef. The continued effect of tourist destructive behaviour grouped into three categories such as rubble, scratches on top of coral colony, and crushed coral colony. Based on the tourism impact analysis showed that diverwho has not been licensed gived the greatest damage impact,it was 13.55% per year of the ecological potential. While the impact of snorkeling touristwas 5.05% and diver who has license gived the smallest effect, it was 2.36%. Comparison of coral reef data between 2010 and 2016 showed no significant changes to the coral reef, it means that until now coral reefs of Panggang Island still tolerate any disturbances including impact of tourism activities. Keywords : coral reef, diving, snorkeling, tourism, Panggang Island

ECONOMIC IMPACT FROM PLASTIC DEBRIS ON SELAYAR ISLAND, SOUTH SULAWESI Roni Hermawan; Ario Damar; Sigid Hariyadi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Sampah plastik dalam jumlah besar terdeposit di pesisir Pulau Selayar yang berhadapan langsung dengan Laut Jawa selama musim barat. Sampah plastik telah menimbulkan dampak sosial dan ekonomi bagi nelayan di Pulau Selayar. Penelitian ini bertujuan untuk mengkaji komposisi, kepadatan dan sebaran dari sampah plastik; dampak terhadap sosial dan ekonomi. Metode transek garis digunakan dalam penelitian ini untuk menentukan jumlah dan sebaran sampah plastik. Ukuran sampah plastik yang diamati adalah >2,5 cm dikategorikan sebagai sampah makro. Penelitian ini dilaksanakan pada Februari sampai Maret 2016. Dampak sampah plastik menurunkan pendapatan dari pariwisata, industri perikanan, mengganggu operasi penangkapan ikan, memerlukan pembersihan dan perbaikan pada alat langkap. Biaya yang dikeluarkan untuk perbaikan dan pembersihan kapal ikan sekitar 192,9 juta rupiah tiap tahun dan perbaikan alat tangkap 156,2 juta rupiah per tahun. Sampah plastik terdiri dari botol plastik, gelas plastik, tali dan jaring ikan, korek gas, keranjang plastik, pelampung, kemasan plastik, sikat gigi dan alat suntik. Rata-rata sampah plastik adalah 9,5 ± 2,7 item/m2 dan berat sekitar 229,2 ± 109,9 g/m2.Kata kunci: dampak, manajemen, Pulau Selayar, sampah plastik, sosial-ekonomi

POTENTIAL FISHING GROUND MAPPING BASED ON GIS HOTSPOT MODEL AND TIME SERIES ANALYSIS: A CASE STUDY ON LIFT NET FISHERIES IN SERIBU ISLAND Andi Alamsyah Rivai; Vincentius P. Siregar; Syamsul B. Agus; Hiroki Yasuma
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Information on the spatial and temporal of fishing activity can optimize a fisheries management and increase their economical and biological benefit. For effective management and good understanding of fishing activities, information about fishing ground is crucial. In this study, we aimed to analyze the spatio-temporal of lift net fisheries in Kepulauan Seribu by analyzing their fishing season, investigating their hotspot of fishing ground using GIS-based hotspot model, and mapping the potential fishing ground of each target species. We found that anchovy and scad could be caught throughtout the year, while sardine and squid had high fishing season in west monsoon. Hotspot of fishing ground of lift net fisheries in Kepulauan Seribu waters generally was concentrated around Lancang Island and in southern part of Kotok Island. Potential fishing ground for sardines was located in around Lancang Island on west monsoon. Squids were highly distributed around Lancang Island in December to January and around Lancang and Rambut Islands in November. Anchovy and scad had more potential fishing ground in around Kepulauan Seribu waters. Keywords: fishing ground, lift net, hotspot, fishing season

ANALISYS AND MAPPING OF ENVIRONMENTAL SENSITIVITY INDEX IN BANGGAI REGENCY AND BANGGAI ISLANDS REGENCY, CENTRAL SULAWESI Sugeng Putranto; Neviaty P. Zamani; Harpasis S. Sanusi; Etty Riani; Achmad Fahrudin
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The Environmental Sensitivity Index (ESI) is a description of the biological, socio-economic and socio-cultural values of a particular coastal and marine area used as a priority response to oil spills, shown on a map by applying spatial analysis using geographic information system technology. The purpose of this research was to analyse mangrove ecosystem area in Banggai and Banggai Islands Regency based on its vulnerability value by analyzing mangrove community structure and socio-economic services for local community. The research was conducted in nine sub-districts, among others: South Batui, Batui, East Luwuk, Lamala, Masama, Balantak, Bualemo (Banggai) and Bulagi and Buko (Banggai Islands). The study was conducted from August to November 2016, with field observations, direct interviews with communities and local government and literature review. The results of spatial analysis of ESI in the coastal areas of Banggai and Banggai Islands are obtained from sensitivity values of medium and sensitive. Areas with moderate sensitivity are Batui, East Luwuk, Masama, Lamala, Balantak and Bualemo sub-districts with grades of 16,78 – 24,35. The value of ESI with sensitive category ranges from 38,24 – 57,54 in Bulagi, Buko and South Batui sub-districts. Keywords: mangrove ecosystem, Environmental Sensitivity Index (ESI)

DENSITY AND THE COVERAGE OF SEAGRASS ECOSYSTEM IN BAHOI VILLAGE COASTAL WATERS, NOTRH SULAWESI Muh. Fahruddin; Fredinan Yulianda; Isdradjad Setyobudiandi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 1 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Physical seagrass ecosystem damage have been reported in various regions in Indonesia. Seagrass ecosystem damage is caused by human activity such as trampling seagrass and boats that muddy the waters and reduced the density and seagrass cover. This study aims to provide information about the density and the coverage of seagrass. The method used in this research is the transect method measuring 50x50 cm squared at three different locations by considering coastal ecosystems Bahoi village that already exist. Station 1 is near to mangrove habitat, station 2 is right on seagrass habitats, and station 3 is near to coral reef habitat. The results indicated there is six seagrass species that found in the Bahoi village which is Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Syringodium isoetifolium, Halophila ovalis, and Halodule uninervis. The density and seagrass cover is shows that the station 1 has the highest density and seagrass cover percentage compared with the other stations. The highest density of seagrass species located in station 1 with 955 individuals/m2, and the lowest was located at station 3 with 699 individuals/m2. While the highest cover percentage is located at station 1 with 270% and the lowest located at station 3 with 229%. Keyword: seagrass ecosystem, density, coverage, Bahoi

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Contact Name Dietriech G. Bengen

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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

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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

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Kota bogor,

Jawa barat

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