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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 656 Documents

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GENETIC VARIATION OF HUMPBACK GROUPER (Cromileptes altivelis) ON F1 AND F3 GENERATIONS Sari Budi Moria Sembiring; Tridjoko Tridjoko; Haryanti Haryanti
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Hatchery and culture technology of Humpback grouper has been developed. However, sometimes it is still found constraint in sedd production and caused instability of production due to failure by many factors. Breeding program become necessary to provide seed with high quality and good genetic variation. Quantitative characteristic selection is one of breeding program to improve productivity in grouper aquaculture. The aim of this research was to produce good phenotyphic and genotypic quality of Humpback grouper candidate broodstock. Selection of Humpback grouper F1 and F3 was done based on quantitative characteristic (body length and weight) and genotyphic characteristic by using ramdom amplified polymorphism DNA (RAPD) method. The results of conventional selection were found candidate broodstock of Humpback grouper F1 and F3 with body weight range from 170-210 g and 160-170 g consecutively. Heterozygosity values of Humpback grouper analized by RAPD of F1 and F3 were 0.7940 and 0.7749 consecutively and it was not significantly different. This value emphasis that population of this F3 Humpback grouper was still good to grow for broodstock. Keywords: genetic variation, humpback grouper, F1, F3.

ECOLOGICAL ASSESSMENT IN SEMARANG COASTAL WATER Ricky Rositasari; Lestari Lestari
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Coastal water is vulnerable to anthropogenic substances such as human activities by product in coastal land and upper land area. Semarang coastal area is one of areas which has progressive development in northern coastal of Java Island. The aim of this study was to evaluate ocean health status based on heavy metal contain and benthic foraminiferal characteristics as the bioindicator. Sampling and laboratory activities were carried out in August 2010. Sampling stations were located on the estuaries of Western Canal Flood, Tanjung Mas Port and Eastern Canal Flood. The result showed that Tanjung Mas pool port had the highest Pb, Zn,and Total Organic Compounds (TOC) concentrations. The average of abnormal test of benthic foraminiferal (Ammonia beccarii) were also higher in Tanjung Mas port than in eastern and western canal flood. Keywords: assessment, coastal water, Semarang.

DIFFERENCES CONCENTRATION DISTRIBUTION AND SOURCE OF IN ORGANOCHLORINE PESTICIDES IN WATER AND SEDIMENT IN JAKARTA BAY WATERS DURING TRANSITION SEASON Khozanah Khozanah
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Study on the distribution and sources of organochlorine pesticide concentrations in water samples and sediments from the Jakarta Bay was conducted in April 2011 (transition season I) and June 2011 (dry season). The purpose of this study was to determine the distribution of pesticide concentrations in water and sediments and to identify possible sources of organochlorine pesticides. The concentrations of organochlorine pesticides was measured by the GC/ECD (electron capture detection) HP 5890 series II. Concentrations found in the water column during transition I season ranged from 11.596 to 74.338 ng/l (average=41.998 ng/l) and in dry season varied from 4.554 to 19.119 ng/l (average=7.741 ng/l). In sediment samples, concentrations found in transition I season varied from 0.936 to 2.816 ng/g (average=1.782 ug/g), and in dry season about 0.7691 to 7.138 ug/g, (average=2.722 ug/g). In the water column, the average concentration in transition I was higher than that found in dry season, whereas levels in sediment during transition season I was lower. The average levels of pesticides in the water column was higher than those found in sediments. These results suggested that the seasons played a role in the distribution of organochlorine pesticides in the water column and sediments. Source of organochlorine pesticides were suggested from agricultural activities in the mainland Cisadane. Keywords: organochlorine pesticides, DDT, BHC, Jakarta Bay waters.

COMMUNITY STRUCTURE OF PHYTOPLANKTON IN SEKOTONG AND KODEK BAY WATERS, WEST LOMBOK Sutomo Sutomo
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Phytoplankton plays important roles of food weeb in aquatic ecosystem, can absorb and release CO2 which is very useful for other organisms and the environment. The purpose of this research was to study the community structure, including abundance, composition and diversity of phytoplankton in the Sekotong and Kodek Bay, West Lombok. The study was conducted in April 2012 at 10 stations in the Sekotong Bay and six stations in Kodek Bay. Sampling was done vertically by using plankton Kitahara net having mesh size of 80 μm. The results showed that the abundance of phytoplankton from 10 stations in Sekotong Bay ranged between 834,134-6,488,888 sel/m3, while in Code Bay ranged between 53,571-191,642 sel/m3. Phytoplankton dominant in the waters of Sekotong Bay were Chaetoceros and Skeletonema, while in Kodek Bay the dominant phytoplankton were Chaetoceros, Hemialus, Lauderia, and Skeletonema. The results of the analysis of the diversity of phytoplankton genera in Sekotong Bay showed the value of diversity index (H')=0.40-1.13 and dominancy index=0.41-0.85. While in Kode Bay, the diversity of phytoplankton genera showed the value of diversity index (H')=1.53-1.98 and dominancy index=0.03-0.28. Based on these results, it can be concluded that the diversity of phytoplankton genera in the waters Sekotong Bay could be classified as less to moderate and there was a tendency of being dominated by one genera in the population. The diversity of phytoplankton genera in Kodek could be classified as moderate and there were low tendency of domination by certain genera in the population. Keywords: stucture community, phytoplankton, Sekotong Bay, Kodek Bay, West Lombok.

THE ABUNDANCE AND SPATIAL DISTRIBUTION OF PLANKTON COMMUNITIES IN BANGGAI ISLANDS WATERS Hikmah Thoha; Arief Rachman
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Banggai Islands waters are mixing area between Banda Sea and Makassar Sea, thus resulting in the existence of many unique marine ecosystems. This conditon might also lead to the occurrence of unique and specific plankton community in the oceanic ecosystem of Banggai Islands. This research was conducted in 26 June to 8 July using Baruna VIII research vessel. Phytoplankton and zooplankton samples were collected in 14 stations using Kitahara and NORPAC plankton net. The plankton data in this research was analyzed with Bray-Curtis Clustering Analysis (Single Link), linear regression and Pearson correlation matrix. The results showed that zooplankton abundance was highest at the strait between Liang and Labobo Island, while phytoplankton was found abundant at eastern Tinangkung Island. On the other hand, Mesamat Bay was found having very low abundance of zooplankton and phytoplankton, which probably related to low nutrient availability in the water column. Calanoids, cyclopoids, and oikopleurans were dominant taxa with widest spatial distribution and highest importance value in zooplankton community of Banggai Islands. Meanwhile Chaetoceros, Rhizosolenia and Thalassiothrix were the dominant genus with widest spatial distribution and highest importance value in phytoplankton community. The result of clustering analysis showed that there were three stations with unique plankton community, and was found very different from the planktonic community in other stations. It was interesting to note that bottom-up control by nutrient availabilty, and top-down control by predator-prey interaction, probably not the main factor responsible for the unique pattern of plankton community structure of Banggai Islands. Keywords: plankton community, Banggai islands waters, Bray-Curtis clustering analysis, biological indices.

TRIGLYCERIDE COMPOSITION OF SIXTEEN STRAINS OF MARINE DIATOM Lily M.G. Panggabean; Abdullah Rasyid; Zarrah Duniani; Yana Meliana; Indah Kurniasih
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Trigliceride or triacylglicerol (TAG) composition in crude oil of sixteen strain of marine diatom has been detected by spectra analyses on an Electrospray - Ion Trap – Mass Spectrometry (ESI-IT-MS) HCT Bruker-Daltonic GmbH instrument with AgNO3 used as coordination ionization agent. Biomass samples of each microalga strain were taken from early and late stationary cultures in f/2 enriched seawater and algal oils were extracted according to Bligh and Dyer. Results from spectra analysis showed that P-Pt-P (C16:0-C16:1-C16:0) were distinguished in TAG from diatom strains Chaetoceros sp.1, Chaetoceros sp.2, Thalasiossira sp.1, Thalasiossira sp.2, Thalasiossira sp.3, Navicula sp. 1, Navicula sp. 2, Navicula sp. 3, Navicula sp. 4, Nitzschia sp. 2 and Amphora sp. In contrast, TAGs in Melosira sp. included P-P-P (C16:0-C16:0-C16:0) and P-P-O (C16:0-C16:0-C18:1) were identified. TAGs from Chaetoceros sp. were the most varies among samples, i.e. P-Pt-P (C16:0-C16:1-C16:0), A-P-M (C20:4-C16:0-C14:0), P-Pt-Lt (C16:0-C16:1-C18:3), P-Pt-A (C16:0-C16:1-C20:4), D-P-P (C22:6-C16:0-C16:0), A-Ln-P (C20:4-C18:2-C16:0). Various TAGs were also detected in Nitzschia sp.2, i.e. P-Pt-M (C16:0-C16:1-C14:0), P-Pt-P (C16:0-C16:1-C16:0), P-Pt-S (C16:0-C16:1-C18:0), P-Pt-A (C16:0-C16:1-C20:4). TAGs composition in Skeletonema strains that similar to those in Nitzschia sp.1 has longer carbon, i.e. P-P-O (C16:0-C16:0-C18:1), P-O-O (C16:0-C18:1-C18:1) and O-O-O (C18:1-C18:1-C18:1). TAGs with longer carbon chain and more double bond including highly unsaturated fatty acid C20:4 were increased with culture age in diatoms Chaetoceros sp.1, Chaetoceros sp.2, Thalasiossira sp.2, Navicula sp.1 and Nitzschia sp. 2.Keywords: diatom, TAG, ESI-IT-MS, f/2, early and late stationary

DISTRIBUTION AND PREDICTION ON HEAVY METALS POLLUTION LEVEL (Pb, Cd, Cu, Zn, and Ni) IN SEDIMENT IN BANGKA ISLAND WATERS USING LOAD POLLUTION INDEX AND GEOACCUMULATION INDEX Fasmi Ahmad
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Bangka Island is rich in natural resources particularly tin minerals. The increasing of tin mining has elevated various wastes such as tailings, oil, and fuel coming from the sand scraper tin boat. These wastes containing toxic heavy metals may harmful to marine organism. Measurement of Pb, Cd, Cu, Zn, and Ni were carried out in September 2010. The purpose of this research was to predict the pollution degree of Pb, Cd, Cu, Zn, and Ni in sediment using two different methods namely geoaccumulation index (I_geo) and pollution load index (PLI). The samples of sediments were collected at 20 stations using Gravity Core. The content of heavy metals in all samples was determined using Atomic Absorption Spectrophotometer with a mixture of air and acetylene flame. The results showed that there was a different of prediction on sediment pollution level between Load Pollution Index with Geoaccumulation Index. According to Load Pollution Index, sediments in this waters were not polluted by Pb, Cd, Cu, Zn, and Ni (PLI<1). Based on Geoaccumulation Index, sediment were also not polluted by Pb, Cu, Zn, and Ni (Igeo<0). While for Cd, sediments divided into three categories, namely not polluted (Igeo<0), light polluted (0<Igeo<1), and medium pollued (1<Igeo<2). The concentration of the heavy metals still lower than that sediment quality guideline values. Keywords: Bangka Island, heavy metals, geoaccumulation index, pollution load index.

CONCENTRATION OF Hg, Cd, Cu, Pb AND Zn IN SEDIMENT OF GRESIK WATERS Lestari Lestari; Fitri Budiyanto
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Gresik coastal waters is one of the areas that have a potential risk for environmental damage due to anthropogenic activities. Water and sediment samples were collected to determin metals concentration and to identify sediment quality in February 2012. Twelve samples were collected for analysis of mercury (Hg) and four other metals (Cd, Cu, Pb, and Zn). Mercury was analyzed using USEPA method 7471B with Flameless-AAS (Atomic Absorption Spectrophotometer) varian type SpectarAA VGA 20-76 and the other metals were analyzed using USEPA 30050B with Flame-AAS. Results showed that ranges and average concentrations of Hg were 0.04-0.33 (0.13) mg/kg, Cd 0.08-3.05 (0.64) mg/kg, Cu 23.7-234.0 (85.5) mg/kg, Pb 1.74-12.7 (4.29) mg/kg, and Zn 77.0-405.0 (133.0) mg/kg. Metals with high concentrations were detected in some places and by SQG-Q, surface sediment showed a moderate impact level of biological adverse effects in aquatic sediments. Keywords: mercury, heavy metal, sediment, Gresik.

EMBRYONIC DEVELOPMENT AND HATCHING EGGS RATIO OF BLACKSADDLED CORAL GROUPER (Plectropoma laevis) AT DIFFERENT TEMPERATURE MEDIA Wawan Andriyanto; Bejo Slamet; I Made Dharma Jaya Ariawan
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

In seed production, the success of spawning and egg production is very important to mantain the cultivating sustainability. The quantity and quality of the blacksaddled coral grouper eggs should be properly manipulated to produce the higher values. The purpose of this study was to determine the effect of different temperatures on the results of hatch success (embryo development, incubation time, hatching rate and larvae abnormality). The eggs used were obtained from natural spawning and collected with egg collector. The fertilized eggs were incubated in four pieces of container and were treated with different temperatures of 26°C, 28°C, 30°C, and 32°C which each treatment was repeated 3 times. The incubation equipment with automatic temperature control was used in this treatment. The results showed that the eggs which were incubated at 32°C produced a faster of embryonic development and hatch within 14 hours while the temperature of 26°C took 18 hours to hatch. However, the temperature of 32°C resulted in low egg hatchability, with 60.29%, as well as the abnormalities of 8.42%. The best temperature of each treatment was obtained at the incubation temperature of 30°C, whereas the phase of the hatch was achieved within 15 hours, with egg hatchability of 92.25% and the abnormality of 6.29%. From these results, it can be concluded that the optimum incubation temperature for Blacksaddled coral grouper was 30°C. Keywords: hatching, egg of Blacksaddled coral grouper, Plectropoma laevis, incubation temperature.

MICROBES PARAMETERS OF WATER QUALITY FOR AQUACULTURE ON PARI ISLAND WATERS Lies Indah Sutiknowati
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 1 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

The objective of this research was to evaluate waters quality in Pari island waters for aquaculture purpose based on bacteriological information conducted in Mei and September 2011. Microbiological parameters analyzed were total density of bacteria for coliforms, E.coli, pathogenic, heterotrophic, halotoleran, phosphate-nitrate-ammonia breaker, and total cells. Method to analyze coliform bacteria was filtration, identification of pathogenic bacteria using biochemical test, density analises for heterotrophic bacteria, analises for phosphate-nitrate-ammonia breaker bacteria using pour plate, and total cell using Acridine Orange Epifluorescence Microscopy. Results showed that the abundance of total coliform cell was about 1000-7000 colony forming unit (cfu)/100 ml. The abundance of heterotrophic, halotolerant, phosphate-nitrate-ammonia bacteria in seawater was (3.6-4.3)x105 cfu/ml, (1.1-1.3)x105 cfu/ml, (0.5-3.44)x103cfu/ml; and (3.6-6.7)x105 cfu/ml, (1.6-2.7)x105 cfu/ml, (0.6-5.22)x103 cfu/ml in sediment, respectively. The total cell of bacteria was (0.05-2.1)x107cells/ml. The dog-conch (Strombus turturella) and blood-clamps (Anadara granosa) can survive in Pari Island and there was a significant increase in sea grass litter with growth average of 0.67 mm/day and 0.90 mm/day. During snails and clamps growth, there were found several genus of pathogenic bacteria such as Salmonella, Vibrio, Aeromonas, Pseudomonas, Citrobacter, Proteus, Shigella, Hafnia, and Yersinia. The results showed that Pari island waters was suitable for developing shellfish aquaculture dog conch and blood clamps. Keywords: bacteria, parameter, shellfish, aquaculture.

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Dietriech G. Bengen

Contact Email
dieter@indo.net.id

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+62251-8627323

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dieter@indo.net.id

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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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