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INDONESIA
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.
Arjuna Subject : -
Articles 567 Documents
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CALANOID COPEPODS OF THE GENUS CENTROPAGES AND ITS SPECIES-GROUP FROM INDONESIAN WATERS Mulyadi, -
Marine Research in Indonesia Vol 33, No 1 (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.v33i1.503

Abstract

The marine copepods of the genus Centropages form a very important component of tropical marine ecosys-tem, but are poorly known. In a continuing study of the copepods of Indonesian coastal waters, eight species of Centropages were collected from 11 sites during 1996-2006. Four out of five previously known species i.e., C. calaninus (Dana, 1849); C. furcatus (Dana, 1849); C. gracilis (Dana, 1849); C. orsini Giesbrecht, 1896, except C. elongatus Giesbrecht, 1869 have been recorded. Four species i.e., C. brevifurcus Shen and Lee, 1963; C. dorsispinatus Thompson and Scott, 1903; C. sinensis Chen and Zhang, 1965; and C. tenuiremis Thompson and Scott, 1903, are new records for the area.
MICROPLASTIC IN THE DEEP-SEA SEDIMENT OF SOUTHWESTERN SUMATRAN WATERS Cordova, Muhammad Reza; Wahyudi, Aan J.
Marine Research in Indonesia Vol 41, No 1 (2016)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (583.013 KB) | DOI: 10.14203/mri.v41i1.99

Abstract

Indonesia was recently ranked second on the list of countries producing plastic waste. Plastic can be degraded by thermal oxidation either with ultraviolet radiation and by mechanical to a very small size the size will be smaller. Degraded plastic with small sizes (<5 mm) measured has been micrometers known as microplastic. We took sediment samples on 07-18 May 2015 in EWIN 2015 cruise, which part of the contribution of Indonesian researchers for the International Indian Ocean Expedition-2 program, at 66.8 to 2182 m below sea level. Microplastic analysis from the sediment was carried out by using flotation methods. We found microplastic in 8 locations out of 10 sampling locations. We found 41 particles microplastic with a form of granules (35 particles) and fibers (6 particles). Most of microplastic particles were found at depths less than 500 m with 20 particles. The discovery of microplastic in the sediment from the sea of western Sumatra at a depth more than 2000 m, indicated that plastic, considered new developed materials (early nineteen centuries made), has invaded marine areas, including pristine areas. It confirms the statement that plastic waste has spread widely to different areas of the seas and oceans, including remote and mostly unknown areas such as the deep sea.
MARINE CAPTURE FISHERIES POLICY FORMULATION AND THE ROLE OF MARINE PROTECTED AREAS AS TOOL FOR FISHERIES MANAGEMENT IN INDONESIA Wiadnya, D. G.R.; Mous, P. J.; Djohani, R.; Erdmann, M. V.; Halim, A.; Knight, M.; Pet-Soede, L.; Pet, J. S.
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 (1940.12 KB) | DOI: 10.14203/mri.v30i0.422

Abstract

The FAO Code of Conduct for Responsible Fisheries states that conservation and management decisions for fisheries should be based on the best scientific evidence available. Studies show that most of Indonesias capture fisheries are either full or over-exploited. However, the fishery sector is still expected to contribute to the increase of Indonesias GNP through an increase in total catches. Furthermore, the current practice of using catch-effort data and Maximum Sustainable Yield models to inform Indonesia’s fisheries policies is flawed, putting sustainability and long-term profitability of Indonesias fisheries at risk. In this paper, the authors argue that to ensure the survival of Indonesias fish stocks and fisheries: fisheries policy must shift from development-oriented management towards management for sustainability. Furthermore, fisheries managers must accept that untapped resources may not exist or cannot be exploited profitably, and that any transfer of fishing effort between fishing grounds may contribute to collapse of local fisheries. Also, fisheries managers should change the management paradigm from MSY models to eco-system based management, wherein Marine Protected Areas should play an important role.
SURFACE SALINITIES IN THE STRAIT OF MALACCA Soeriaatmadja, Raden E.
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 (3243.784 KB) | DOI: 10.14203/mri.v2i0.326

Abstract

A continuous northwest-going current prevails in the Strait of Malacca throughout the year, except June and August, when the currents are very weak and sometimes reversed  in the .southern part. The southern part of the Strait of Malacca is influenced by the currents. These currents transport low saline water into the Strait during the southwest monsoon and high saline water from the South China Sea during the northeast monsoon. In the northern part, the rainfall is of greater importance for the variations of the surface salinity and a strong correlation between rainfall and surface salinities is found in this region. It is unlikely that Indian Ocean water penetrates the South China Sea.
GROWTH RESPONSES OF FIVE NON TOXIC ALEXANDRIUM SPECIES (DINOPHYCEAE) TO TEMPERATURE AND SALINITY Lim, Po-Teen; Leaw, Chui-Pin; Kaga, Shinnosuke; Sekiguchi, Katsushi; Ogata, Takehiko
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 (7932.983 KB) | DOI: 10.14203/mri.v32i2.454

Abstract

Growth response of five clonal cultures of Alexandrium obtained from tropical and temperate waters were examined. Experiments were carried out in eighteen variable temperature-salinity conditions (temperatures of 15 °C, 20°C, and 25°C; salinities between 5 to 30 psu) under constant illumination of 150 ± 10.0 Amol m-2 s- at 15:9 light:dark photo-cycle. Our results showed optimum growth of all Alexandrium species at 20 - 25°C. The salinity range for optimum growth however varied among the species. Growth rates of A. eine, A. insuetum, and A. fraterculus (0.28 — 0.37 day) were higher than those of A. leei and A. pseudogoniaulax under the same culture conditions (0.14 —0.22 day-). The three temperate species showed positive growth at suboptimum temperature, 15°C, but the tropical species did not grow and died off. Salinity tolerance of the five species in decreasing order was A. pseudogoniaulax > A. leei > A. insuetum > A. affine > A. fraterculus. Results of the present study showed vast variations in salinity tolerance among the Alexandrium species regardless the geographical origins. Adaptation of the temperate species at higher temperature indicated that the species might proliferate in warm tropical waters.
THE MANAGEMENT OF MANGROVES IN AN URBAN SITUATION Hutchings, P. A.; Recher, H. F.
Marine Research in Indonesia Vol 18 (1977)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.741 KB) | DOI: 10.14203/mri.v18i0.358

Abstract

Sydney is an affluent city of nearly three million people surrounding three well developed estuaries and a shallow protected bay. These areas all originally had extensive wetlands of salt marsh, mangroves and sea-grass flats. The areas are now being rapidly reclaimed or destroyed by port development, marinas, canal estate development, playing fields, garbage tips or damaged by industry. They are also economically important fishing and oyster farming areas and the water masses are heavily used for recreation. In this paper we have selected three areas of wetlands in this region, threatened by different types of development and we discuss their ecology and their traditional biological attributes and the unique attributes that such areas have in an urban affluent society. These are their educational and recreational values to the community. We describe the planning of an education field centre adjacent to an urbanized wetland area and construction of boardwalks through the mangroves.
ESTIMATION OF SEASONAL VERTICALLY INTEGRATED PRIMARY PRODUCTIVITY IN AMBON BAY USING THE DEPTH-RESOLVED, TIME-INTEGRATED PRODUCTION MODEL Basit, Abdul
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 (581.665 KB) | DOI: 10.14203/mri.v37i1.36

Abstract

Seasonal vertically integrated primary productivity (IPP) in eight stations of Inner Ambon Bay (IAB) and ninestations of Outer Ambon Bay (OAB) was estimated using the depth-resolved, time-integrated production model andvertical-a distribution model which was mainly dependent on chlorophyll-a profile. The profile was modeled as Gaussfunction in which its parameters were determined by minimizing the difference between the model and the averageof in situ chlorophyll-a concentration from 2008 to 2012. The data was collected by UPT BKBL-LIPI Ambonduring monitoring program in Ambon Bay. Based on this model, the results showed that the primary productivityduring the southeast monsoon was to some degree higher than that of other seasons. The main factors causing the higherIPP in this season were upwelling phenomenon and high rainfall intensity. From the results, it could be concludedthat run-off gave more impacts in IAB than in OAB while upwelling in Banda Sea affected the IPP more in OABthan that in IAB. Then, the existence of the sill located between IAB and OAB inhibited the mixing of IAB andOAB waters so that the levels of IPP and chlorophyll-a concentration in IAB were higher than that of in the OAB.
SEASONAL VARIATIONS OF CERTAIN MAJOR ZOOPLANKTON GROUPS AROUND PANGGANG ISLAND, NORTH-WEST OFF JAKARTA Arinardi, O. H.
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 (2414.016 KB) | DOI: 10.14203/mri.v21i0.390

Abstract

Seasonal and annual variations of the composition of zooplankton in the water around Panggang Island were studied from May 1971 to April 1973. Temperature and salinity of the water and the abundance of zooplankton were assumed to be affected by the monsoon. It was usually found that the abundance of zooplankton in this area coincided with or occurred after the heavy rainfall. The occurrence of many zooplankton groups in each season did not greatly change, but the intensity of total number were vary in certain groups. The pattern of the annual variation of the zooplankton number was nearly regular in the two years of investigations. The major groups of zooplankton observed during this   investigations were also discussed. In general the zooplankton of the water of Panggang Island were typically neritic.  Some bigger species of copepods were even less than in the Java  Sea.
ISOLATION AND STRUCTURE DETERMINATION OF ANTICANCER SUBSTANCES FROM MARINE MICROORGANISMS: A PRELIMINARY STUDY OF NEW BUTENOLIDE AS NEW ANTICANCER Hatmandi, Ariani; Kanoh, Kaneo
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 | Full PDF (7832.874 KB) | DOI: 10.14203/mri.v33i2.491

Abstract

An investigation to find new anticancer substances from marine microorganisms was conducted at the Marine Biotechnology Institute, Kamaishi Campus, Iwate, Japan. The samples were from MBI microorganism collection. They were bacteria, actinomycetes and fungus. Mammalian cancer cells, A549, were used as screening medium. The method for screening of the targeted microorganism was micro plate method. HK294 was found as microorganism which has the most interesting phenomenon in inhibiting A549 cancer cells. HK294 was identified to be Streptomyces viridocyaneus (homology 99%) by its 16S rDNA sequence. The HK294 was cultured in Marine Broth medium and incubated at 30°C for seven days in 100 rpm orbital shaker incubator, to produce active substance. Silica Gel Column Chromatography and High Pressure Liquid Chromatography were used for separation of the active substances. NMR and Mass Spectrum were used for determination of the active substances. Butenolide, Teleocidin A1 and New Butenolide were isolated from this experiment. The New Butenolide is promising to be used for anticancer drug but it need further research.
AMPHIPOD DISTRIBUTION IN THE SOFT-BOTTOM SUBTIDAL ZONES OF JAVA ISLAND IN RELATION TO SEDIMENT TYPES Arfianti, Tri; Sihaloho, Hendra F.; Purbonegoro, Triyoni; Suratno, -; Arifin, Zainal
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 (1076.611 KB) | DOI: 10.14203/mri.v40i1.68

Abstract

Amphipods inhabit many marine benthic habitats and have an important ecological role. However, there is a lack of information about Indonesian amphipod diversity and distribution, especially in the shallow subtidal sediments of Probolinggo and Tangerang. During the transition to the monsoon season in September 2014, eight subtidal stations were sampled in Bayeman (Probolinggo) on East Java and seven subtidal stations were sampled in Kramat Kebo (Tangerang) in West Java. A total of 7346 amphipods individuals were collected, comprising five genera. Genus Photis was the most abundant group, followed by Grandidierella and Synchelidium. Multivariate analyses of these data indicated that sampling location and sediment granulometry were major determinants of distribution and composition of amphipods in Probolinggo and Tangerang.

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