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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 656 Documents
OCEANOGRAPHY AND WATER QUALITY CONDITION IN SEVERAL WATERS OF THOUSAND ISLANDS AND ITS SUITABILITY FOR WHITE SHRIMP Litopenaeus vannamei CULTURE Irzal Effendi; Muhammad Agus Suprayudi; I Wayan Nurjaya; Enang Harris Surawidjaja; Eddy Supriyono; Muhammad Zairin Junior; . Sukenda
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): 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 (983.48 KB) | DOI: 10.29244/jitkt.v8i1.13912

Abstract

The purposes of this study were to determine oceanographic and water quality parameters and their suitability for white shrimp Litopenaeus vannamei culture. The measurements were carried out on dry season in Semak Daun Island, Karya Island, and Panggang Island waters of Thousand Islands, with areas of 315.0, 12.0, and 102.8 ha, water depth average of 4.6 m (0.5-28.1 m), 14.6 m (0.5-26.7 m), and 5.3 m (0.8-13.6 m), mean current water velocity of  12.9, 12.7, and 13.5 cm/second, respectively.  In the study areas, we found a diurnal tidal pattern with high wave in January and July-August.  Based on temperature, salinity, and water density in Semak Daun Island waters, there seemingly occurred a turn over indicating a good water circulation, while in Panggang Island and Karya Island waters tended to have a stratification. Generaly, water qualities in the study areas were in the op-timum range for white shrimp culture, i.e., temperature of 29.6-30.8oC, turbidity of 0.10-1.05 NTU, transparency of 5.8-9.7 m, total suspended solid of <8 mg/L, total dissolved solid of 20-164 mg/L, pH of 6.89-7.22, salinity of 32.2-32.3, dissolved oxygen of 5.8-10.8 mg/L, ammonia of 0.068-0.145 mg/L, nitrate 1.247-2.589 mg/L, and phosphate  of 1.021-2.352 mg/L. Moreover, in Semak Daun Island wa-ters, we found the highest suitability for white shrimp culture due to its better water circulation.Keywords: mariculture, coral reef waters, strait, water current, turnover, stratification.
SEA SURFACE TEMPERATURE DAN CHLOROPHYLL-A CONCENTRATION VARIABILITIES OF JAKARTA BAY AND ITS SURROUNDING WATERS Bisman Nababan
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 1 (2016): 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 (526.795 KB) | DOI: 10.29244/jitkt.v8i1.13915

Abstract

Variability of sea surface temperature (SST) and the concentration of chlorophyll-a (Chla) in Jakarta Bay and its surrounding waters were analyzed based on the time series data of monthly mean SST and Chla estimated by NOAA AVHRR, SeaWiFS, and MODIS satellites for 17 years (1997 to 2014). Generally, the monthly mean SST values fluctuated seasonally with the semi-annual pattern with the maximum value occurred in the second transitional season (Oct-Nov) and relatively high in the first transitional season (Mar). In contrast, the minimum of monthly mean SST values was found during the east season (Jul) and relatively low during the west season (Des-Jan). SST variabilities were generally associated with the sun position, sea water circulation, and rainfall. Based on MODIS data, the minimum-maximum of monthly mean SST ranged of 28.39°C-32.58°C. Seasonal fluctuations with the semi-annual pattern also occurred in the monthly mean Chla values with the maximum value occurred during the west season (Des-Jan) and relatively high values occurred during the east season (Jun). In contrast, the minimum of the monthly mean Chla was found during the second transition season (Sep-Oct) and relatively low during the first transitional season (March-Apr). The minimum-maximum of monthly mean Chla ranged of 0.09 mg/m3-2.50 mg/m3. Chla fluctuations were generally associated with the variabilities of rainfall, river water discharge, and sea water circulation of the Java Sea. Anomalous climatic factors such as El Nino Southern Oscillation (ENSO) and La Nina produced a significant impact on the SST and Chla interannual variability. Generally, the ENSO phenomenon lo-wers the value SST and Chla, while La Nina events tended to increase Chla values.Keywords: sea surface temperature, chlorophyll-a, fluctuation, NOAA AVHRR, SeaWiFS, MODIS
DEGRADATION OF REEF FISH CATCH AS AN EFFECT OF TOURISM INDUSTRY ACTIVITIES IN GILI SULAT AND GILI LAWANG WATERS, EAST LOMBOK . Mustaruddin; Lalu R. T. Savalas; Pandu Saptoriantoro
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (408.628 KB) | DOI: 10.29244/jitkt.v8i2.15798

Abstract

The development of tourism activities in industrial scale since 2004 in the region of Gili Sulat and Gili Lawang have caused problem to local fishermen for catching reef fish. The objective of this research was to analyse the preeminent fishing gears of reef fish, the contamination types of tourism industries to fishing ground, and the degradation pattern of reef fish catch as an effect of tourism industry activities. The method used in this research was scoring method, quality standard test of water to fishery activities, and exponential regression model. The results showed that preeminent fishing gears of reef fish in the region of Gili Sulat and Gili Lawang were handline (Fgab = 2.000) and fish trap (Fgab = 1.556). The contamination types of tourism industries which bothering fishing ground of reef fish were total suspended solid (TSS), garbage, detergent, and timbal (Pb). The degradation pattern in quantity of reef fish catch (Y1) by activities of tourism industry (X) was formulated with moel Y1 = 31.574e-0.305X (R2=0.403, p=0.000). The degradation pattern of reef fish catch by activities of tourism industry (X) in the form of value of reef fish catch (Y2) and figuring waste in reef fishing (Y3) was formulated with model Y2=474823e-0.236X (R2=0.206, p=0.012), and Y3=1.296e0.329X (R2=0.071, p=0.156).
WATERS CARRYING CAPACITY FOR DEVELOPMENT OF SEAWEED CULTURE OF Eucheuma cottonii IN LUWU AND PALOPO DISTRICTS, BONE BAY, SOUTH SULAWESI . Waluyo; . Yonvitner; Etty Riani; Taslim Arifin
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (1048.116 KB) | DOI: 10.29244/jitkt.v8i2.15802

Abstract

In seaweed Eucheuma cottonii cultures, a water carrying capacity is an important factor to optimize the seaweed culture. Carrying capacity can be determined by an ecological footprint production (EFp) analysis. This research was conducted in May 2015 (1st transitional season) and September 2015 (2nd transitional season) in Luwu and Palopo distircts, South Sulawesi. Map and land use were analyzed using GIS (Geographic Information Systems). The result showed that the ecological foot-print production (EFP) in Luwu waters was 67.88 ton/capita/year or equivalent to 235,823.93 tons/ year. However, based on the analysis of the water availability for seaweed was 59,781.79 hectares, it can produce seaweed (biocapacity) for 1,437,779.60 tons/year and the number of farmers that allows for use the waters is 21,432 capita. The ecological footprint  production (EFp) in Palopo waters is 3.08 ton/capita/year, or equivalent to 4,589.99 tons/year. Water availability analysis is 1,771. 41 hectares are able to produce seaweed (biocapacity) for  18,287.46 ton/year and the number of far-mers that allows for use the waters is 635 farmers capita. The results comparison between biocapa-ci-ty and ecological footprint, ecological status for  Luwu and Palopo waters are still in sustainable use.
APPLICATION OF ARTIFICIAL FEED WITH DIFFERENT PROTEIN CONTENT ON BLACKSADDLED CORAL GROUPER Plectropomus laevis NURSERY Bejo Slamet
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (257.999 KB) | DOI: 10.29244/jitkt.v8i2.15804

Abstract

Blacksaddled coral grouper Plectropomus laevis is an export commodity and possess high economic value in Asian markets, but the wild population is already threatened. The purpose of this study was to determine the best food for improving growth and survival rate. The nursering were conducted using 9 fiberglass tanks with 1 m3 of volume for 6 month, with three treatment and 3 replicates. Three different foods were used as treatments, i.e.: Local commersial pellet with crude protein content 50% (A), im-port  commersial pellet with cure protein content 55% (B) and trash fish (sardine) (C). The initial size of blacksaddled coral grouper seed were 2.5 cm total lengths (TL), 0.45 g body weight (BW). The stocking density of fry was reared at 250 fish per m3. A complete random design was used as an experiment design. Data was analysed using ANOVA statistics. Feeding times were twice a day at 08.00 and 15.00 local time; with dose at satiation. The samplings of fry were conducted every 15 day to measure of survival rate (SR), TL and BW. On the end of experiment was calculated economic ana-lized (BC ratio). The result showed that there was significant different (P<0.05) among treatments for SR and growth rate (GR). The better SR and GR was at treatment B with SR 96.5%, and GR 0.75g/day followed by treatment C (SR 90.5%: GR 0.54g/day) and treatment A (SR 81.5%: GR 0.42g/ day. The food conversion ratio was 1.15 in treatment A, 1.02 in B and 4.81 (wet weight) in C. From economic analized showed that the best BC ratio was in pellet 55% protein (B), followed by trash fish (C) and pellet 50% protein (A) with BC ratio of 1.75, 1.72 and 1.41 respectively. 
BIODIVERSITY AND ABUNDANCE OF DEMERSAL FISHS STOCK IN TAMBELAN WATER, NATUNA SEA . Fahmi; . Yonvitner
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (470.14 KB) | DOI: 10.29244/jitkt.v8i2.15807

Abstract

Understanding on fish diversity is essential for fish stock conservation specifically in Tambelan Island waters with a high fish diversity. This research was conducted in November 2010 at 6 sampling site around Tambelan Island. Samples were taken using trawl gear within sweeping technique. The para-meters of collected data were kind of species, number of fish, total length, and total weight. Data analyses were stock abundance (based on time trawling), diversity, richness, equity, and similarity between site sampling. The total fishes that were caugth were 1.224 individual that consisted of 105 species and 44 family of fishes. Total weight of sample was 55.3 kg, with the average stock abundance 0.27 kg/hour. Fishes catch composition were Apogonidae family 11,4%, Mulliidae family 35.7%, Nemipteridae family 16.3%, and Lutjanidae family 7,7%.  Richness value index ranged of 1862 –3.121. Equitability index ranged of 0.329 – 0.576.  Similarity index for station 3 and 6 was at 33.89% level; for station 1, 4, and 5 was at 20.31 % level,  and for station 4 and 5 was at 45,30% level from the maximum value of 100%.
GROW OUT AND EVALUATION OF FIRST GENERATION (F1) OF PROSPECTIVE HUMPBACK GROUPER Cromileptes altivelis BROODSTOCK . Tridjoko; Ida Komang Wardana; Ahmad Muzaki
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (731.378 KB) | DOI: 10.29244/jitkt.v8i2.15809

Abstract

During this time the humpback grouper broodstock spawning that comes from nature. Efforts to provide humpback grouper fish from cultured (F1) has been conducted and it has been spawn.  The purpose of this study was to determine the quality of broodstock first generation (F1) with a good maintenance management and monitoring evaluation of character growth, gonad development, and genetic characteristics through microsatelite marker.  Broodstock reared in concrete tank volume of 75 m3 with three different of hormonal implantation treatments: (1) estradiol, (2) 17α-methyltestosterone (MT), (3) a mixture of 17α-Methyl-testosterone by aromatase inhibitors, and control. The observed parameters were growth, gonad development, reproductive hormones in the blood composition and the performance of genetic through microsatellite analysis. The results showed that the humpback grouper F1 implantation treatment by methyl testosterone and estradiol showed good growth with an average body weight at the end of the observed ranged from 680 ± 60.5 to 820 ± 76,5g with an average body length of 34 -36 cm. In individual control growth better because during the maintenance of the population is not implanted. Analyses of testosterone and estradiol in the blood plasma showed that 40% of individuals in the population were males. Microsatellite analysis showed that F1 fish had good genetic variation (0.778-1.000) so that it can be used as broodstock candidate. 
SEDIMENT DISTRIBUTION ANALYSIS IN BALOHAN BAY, SABANG Syahrul Purnawan; Tengku Putra Fajran Alamsyah; Ichsan Setiawan; . Rizwan; Maria Ulfah; Sayyid Afdhal El Rahimi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (307.367 KB) | DOI: 10.29244/jitkt.v8i2.15812

Abstract

We investigated the sediment properties and distribution in Balohan Bay, which is located in southern Weh Island, Aceh Province. The aim of this research was to clarify the sediment distribution mechanism in the Balohan Bay using a statistical approach. Samples were collected on January 2016 using coring method. Sediment grain-size distribution from 14 stations was obtained using wet sieve analysis. A large amount of fine sand and very fine sand were found in Balohan Bay, as a result of several tributaries discharged in those areas. The sediment distribution in eastern stations showed an indication as a coarser size and a poorer sorted area, as they were adjacent to the steep cliff.
HABITAT SUITABILITY AND ZONING ANALYSIS FOR GREEN TURTLE Chelonia mydas IN THE MARINE CONSERVATION AREAS OF PANGUMBAHAN TURTLE PARK, SUKABUMI Yusuf Arief Afandy; Fredinan Yulianda; Syamsul Bahri Agus; Lucy Peter Liew
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (1450.344 KB) | DOI: 10.29244/jitkt.v8i2.15820

Abstract

This study reviews the suitability of habitat for the green turtle in the Pangumbahan Turtle Park. The purpose of this study is to evaluate the existing zoning system and to provide recommendations of alternative zoning approach based on ecological suitability turtle habitat. Observations and fieldwork were undertaken throughout the coastal area of Pangumbahan from January to June 2015 by collecting data which include nesting site for turtles, sand temperature and moisture content, width of the beach, surface slope of the beach, vegetation cover, seagrass and secondary data. Methods of data analysis consists of suitability analysis with the spatial approach using Geographic Information System. The results of the analysis of overlay method were classified into three classes of suitability, which include very suitable covering 6,91 hectares, suitable covering 14,60 hectares and less suitable covering 37,21 hectares. The current existing zones needs to be revised using the recommended zoning system. As an implementation of the findings from this study as well as to effectively manage the conservation area based on the green turtle ecology, it is highly recommended to do a zoning system which is based on the principal of the green turtles habitat suitability to ensure the sustainability of the green turtle within the conservation area. This will ensure the zoning system suits the green turtles’ characteristics hence enabling each of the zones to effectively functioning.
LINK OF Pharella acutidens ABUNDANCE AND MANGROVE HABITAT IN CEMPI BAY, DOMPU REGENCY, WEST NUSA TENGGAR Awan Dermawan; Isdradjat Setyobudiandi; Majariana Krisanti
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 8 No. 2 (2016): 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 (447.242 KB) | DOI: 10.29244/jitkt.v8i2.15821

Abstract

Pharella acutidens clam is a bivalve lives in mangrove ecosystem substrate, that is one of protein source for Dompu’s people. the existence of pharella acutidens in Cempi Bay, Dompu begin difficult to collect due to mangrove area has been reduced by result of land conversion from mangrove ekosistem area to estuary aquaculture pond and mangrove timber exploitation by local community as well as the Pharella acutidens routin exploitation, these factor may has influenced the existence of Pharella acutidens clam in the Cempi Bay mangrove ecosystem. This study aims to determine the condition of the Pharella acutidens clams located in the mangrove ecosystem Cempi bay, which in is an abundance on different conditions mangrove vegetation an abundance of Pharella acutidens clams tended more on high density and high basal area sites as well as the size of the clams. Varied habitats, from the density of 1.333 trees/ha up to 3.300 trees/ha, the basal area and the diverse species of mangrove, making this study an interesting thing  This journal is part of the research that explains positive influence between total basal area of mangrove vegetation (∑Ci) and abundance of Pharella acutidens, by simple regression analysis. The result showed that total basal area of mangrove vegetation (∑Ci) positively influencing abundance of P. acutidens clams with equation y = 0,3038x + 3,887 and R2 = 0,9579.

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