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Marine Research in Indonesia
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 02162873     EISSN : 24432008     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
MARINE RESEARCH IN INDONESIA (MRI) has been published since 1956 by Indonesia's oldest marine research institute, the Research Center for Oceanography of LIPI (Indonesian Institute of Sciences). MRI focuses on physical, chemical, biological, geological oceanographic as well as coastal management studies in the Indonesian seas and the adjacent Indo-Pacific region.
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Articles 567 Documents
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EFFECTS OF CYANIDE ON ORNAMENTAL CORAL FISH (CHROMIS VIRIDIS) Arifin, Zainal; Hindarti, Dwi
Marine Research in Indonesia Vol 30 (2006)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1548.091 KB) | DOI: 10.14203/mri.v30i0.421

Abstract

The use of cyanide particularly for fishing has caused concern for its impacts on aquatic marine life. This study was the first attempt to provide information on the effect of cyanide on tropical marine fish in Indonesia and aimed to determine the toxicity of cyanide to coral fish, Chromis viridis. The fish were exposed to 10,18,32,56 and 100 µg 1-1 of cyanide. These five cyanide concentrations were tested for 96- h period of exposure through a static-renewal. Cyanide was found to be very toxic to the fish. The 96-h LC50 of cyanide for juvenile of Chromis viridis was 41.3 µg 1-1. The toxicity of cyanide to C. viridis was 300 times stronger than that of the trace metal cadmium. Compared to milkfish fry (Chanos chanos), C.  viridis was more sensitive to cyanide. It is estimated that at concentration of 32 µg 1-1 cyanide does not show observable effect (NOEC) to C. viridis. Meanwhile the lowest observable effect of cyanide  (LOEC) to the fish is at a concentration of 56 µg 1-1.
THE COMPUTATION OF OCEANIC AND METEOROLOGICAL FIELDS OF MOTION WITH FRICTION PROPORTIONAL TO THE VELOCITY Wyrtki, Klaus
Marine Research in Indonesia Vol 2 (1956)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2085.188 KB) | DOI: 10.14203/mri.v2i0.325

Abstract

The friction in the hydrodynamical differential equations is taken proportional to the velocity. With it simple relations result, permitting the calculation of the mass transport, without the need to solve differential equations, if the wind and pressure distributions are known. The solution can cross the equator freely. Simultaneously the equations give the vertical components of motion at the lower boundary of the layer under consideration. Numerical values of the friction coefficient are given, and oceanographical and meteorological models are discussed, as for instance the monsoon winds over Southeast Asia, the monsoon currents in the Java and China Seas and the equatorial currents of the Pacific Ocean.
PRELIMINARY EVIDENCE OF GROWTH INFLUENCE ON CARBON STABLE ISOTOPE COMPOSITION OF Undaria Pinnatifida de Carvalho, Matheus Carvalho; Hayashizaki, Ken-Ichi; Ogawa, Hisao; Kado, Ryusuke
Marine Research in Indonesia Vol 32, No 2 (2007)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5379.309 KB) | DOI: 10.14203/mri.v32i2.453

Abstract

Cultured sporophytic thalli of Undaria pinnatifida were collected at different periods of the year from Okkirai Bay, northeastern Japan. 13C of the thalli collected in January was much higher than that of the thalli collected in March, and young thalli collected in March showed a tendency towards lower 13C values comparing with adult ones. U. pinnatifida thalli grew fast in January, while young thalli in March showed slow growth due to the light limitation caused by shading adult thalli. Therefore, the growth rate of thallus may relate to 13C. Ongoing studies aim to quantitatively describe this relation and to search similar results for other species.
THE FISHES OF SEAGRASS COMMUNITY ON THE WEST SIDE OF BURUNG ISLAND (PARI ISLANDS, SERIBU ISLANDS) AND THEIR VARIATIONS IN ABUNDANCE Hutomo, Malikusworo; Martosewojo, Sularto
Marine Research in Indonesia Vol 17 (1977)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2664.433 KB) | DOI: 10.14203/mri.v17i0.357

Abstract

Monthly collections of fishes in a seagrass community on the west of Burung Island, Pari Islands, were made from May 1975 to February 1976. Seventy-eight species of fishes were collected. Number of specimens, size range, and modal size are given for each month for each species. Number of species and specimens were found highest in July. Relative and total abundances of the more numerous species are summarized. Apogon margaritophorus was the predominant species in the fish community of the area. Notes on the spawning of Siganus canaliculatus are presented, since this species attracts the attention of many mariculturists. The separation of these fishes into four groups is also discussed.
TEMPORAL VARIATION IN CERATIUM SPP. ABUNDANCE RECORDED IN JAKARTA BAY Thoha, Hikmah
Marine Research in Indonesia Vol 37, No 1 (2012)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1639.824 KB) | DOI: 10.14203/mri.v37i1.35

Abstract

Ceratium is non-toxic dinoflagellate which has been regarded as the most common bloom-forming species in the coastal waters around the world. Eventhough research and monitoring on phytoplankton In Jakarta Bay have been conducted for long enough, no specific attention has been given to Ceratium community. Therefore, a research was set up in order to understand the dynamic of Ceratium population and its regulating factors. A serial sampling was conducted in 10 stations during 2009 and 2010. Phytoplankton was sampled in horizontal towing using Kitahara plankton net (80 μm mesh size, 0.5 m mouth diameter and 1m length). Phytoplankton enumeration and identification were done by applying Fraction Method on Sedgewick Rafter Counting Chamber (SRCC). The result showed clear temporal variations in Ceratium absolute density, relative density, relative frequency and importance value. When phytoplankton bloomed in August 2009, no Ceratium bloom observed. High density of Ceratium was observed in November 2009 and May 2010, but it contributed relatively small proportion to phytoplankton as a whole (relative density <1%). Due to its low density and relatively limited distribution in Jakarta Bay, Ceratium may demonstrate limited ecological role to the phytoplankton community.
THE NUMERICAL MODELLING OF TIDES IN A SHALLOW SEMI-ENCLOSED BASIN BY A MODIFIED ELLIPTIC METHOD Sidjabat, Mulia M.
Marine Research in Indonesia Vol 21 (1978)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2738.396 KB) | DOI: 10.14203/mri.v21i0.389

Abstract

A numerical model which renders possible the numerical solution of the nonlinear tidal equations by obtaining a solution for each individual tidal component is developed. For this purpose, a set of time independent non-linear equations for each tidal constituent is constructed. Each of these sets of equations is interrelated through the non-linear frictional terms, the approximation of which is accomplished by an iterative scheme. The method is tested for several models before it is applied to the real basin (Bight of Abaco). In order to evaluate the model and to construct the boundary conditions along the opening, a series of tidal observations were undertaken. The viability of the method is indicated by the fact that the results of computations using a coefficient of friction r = 0.0034 give good agreement with observations for all components and  over  all stations.
ARTISANAL SHARK AND RAY FISHERIES IN SOUTH OF INDONESIA Dharmadi, -; Fahmi, -; Sumadhiharga, Kurnaen
Marine Research in Indonesia Vol 33, No 2 (2008)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v33i2.490

Abstract

Studies on artisanal fisheries of sharks and rays in Indonesia were carried out during 2001-2004. A market sampling method was employed to collect fisheries data from a number of major landings sites, namely: Pelabuhanratu and Cilacap in south coast of Java, Kedonganan in south coast of Bali and Tanjung Luar on the island of Lombok. Large proportions of the shark and ray landings were by-catch of tuna longlines and gillnets, and shark surface and bottom longlines from Tanjung Luar - east of Lombok. The shark landings were dominated by the families Carcharhinidae, Squalidae, Allopidae and Sphyrnidae, while rays were dominated by the Dasyatidae, Rhynchobatidae and Mobulidae. Most of the landings were processed to be dried and salted products for local consumptions. Some of them are exported to Asian countries. The most valuable part of sharks are their fins, which are a delicacy in Chinese cuisine. The major importers of Indonesian shark fins are Hongkong that contributed 46.3% of the total reported exports of shark fins from Indonesia.
R and Its Applications on the Ecological Research Sihaloho, Hendra Freddy
Marine Research in Indonesia Vol 40, No 1 (2015)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1588.555 KB) | DOI: 10.14203/mri.v40i1.75

Abstract

The increase of research activities in recent years has generated a lot of data to be analysed. Research-related communities need a powerful software to perform their analyses. And, it can be a problem, particularly for those who live in developing countries, where their financial capability is low to buy the proprietary programs. R may provide the solution to this obstacle. Since it is an open source software, which can be installed on major operating systems. In addition, it is highly maintained by R Core Team, which ensures that the program and its packages work well on across platforms. The increase usage of R, especially in universities is not only a proof that the program can be relied on, but it is also a guarantee that the software will continue developing. R and its capability for ecological research activities particularly will be described on this short note
PREDICTION OF SOUTHERN OSCILLATION USING THE INDONESIAN THROUGHFLOW VARIABILITY Aldrian, Edvin; Arifian, Jon
Marine Research in Indonesia Vol 34, No 1 (2009)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v34i1.516

Abstract

Atmospheric boundary layer derived from NCEP/NCAR reanalyses for the period of 1974 to 2002 has been used as boundary forcings for the global ocean model Max Planck Institute Ocean Model (MPIOM). The ocean model is a curvilinear grid model, whose poles are located over mainland China and over the Australian continent, thus focusing on the maritime continent. The model simulates major Indonesian throughflow passages that focus on six cannels representing three inlets and three outlets (the Makassar, Lifamatola, Halmahera, Lombok, Ombai and Timor Straits). The model results have been validated using the Arlindo observation Project over the Makassar Strait in the period of January 1997 to February 1998, which fortunately was during a strong El Niño episode. The model simulation results were then investigated for their prediction capabilities of any of those channels in foreseeing the incoming southern oscillation events. Temporal correlation analysis with lag and advance time correlation methods were performed against simulated data at all levels on those channels. Variabilities in depth of 74 to 200m (thermocline depth) show the strongest correlation with SOI index (Darwin minus Tahiti mean sea level pressure). The temperature and salinity correlations with SOI are the highest with one-month in advance over Lifamatola Strait (0.77) and two-month in advance over the Makassar Straits (0.74). These significant correlations highlight the important of those two straits in prediction of incoming southern oscillation that usually leads to ENSO episode which brings most of the time devastating impact to economy, agriculture and ecosystem.
NOTES ON THE RECORD OF GOBLIN SHARK (Mitsukurina owstoni Jordan, 1898) FROM INDONESIA Fahmi, -
Marine Research in Indonesia Vol 42, No 2 (2017)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (671.937 KB) | DOI: 10.14203/mri.v42i2.149

Abstract

A goblin shark, Mitsukurina owstoni,was captured by deepwater shark longline targeting squaloid sharks off Palabuhanratu, West Java, Indonesia at about 200 m depth. Morphological measurements were taken and compared to other records from Australia, New Zealand and Japan. This new recordfrom Indonesian waters extends the distribution of this species in the Indian Ocean.

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