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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 5 Documents
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Search results for , issue "Vol 39 No 1 (2014)" : 5 Documents clear
CURRENT STATUS OF MYSID TAXONOMYIN SOUTHEAST ASIA Sawamoto, Shozo
Marine Research in Indonesia Vol 39 No 1 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1375.659 KB) | DOI: 10.14203/mri.v39i1.80

Abstract

This paper reviews the current status of mysid taxonomy in Southeast Asia, encompassing the South China Sea as far north as Hong Kong, the Andaman Sea, the Philippines, and the Indonesian seas as far south as the northern Australian waters. According to the 188 scientific papers published before 2013, 23 species in five genera of the Order Lophogastrida and 207 species in 63 genera of the Order Mysida have been recorded from these waters. This amounts to about 20 % of the recent species of these orders so far reported in the world. The occurrence recordsof these species were summarized in a table and a figure. On the basis of this body of information, it is suggested that there is an urgent need for research to improve our understanding of the biodiversity of mysids in this region.
BUTYLTIN RESIDUES IN SEDIMENTS FROM THE EASTERN GULF OF THAILAND Praditsup, Nichaya; Wattayakorn, Gullaya
Marine Research in Indonesia Vol 39 No 1 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1052.123 KB) | DOI: 10.14203/mri.v39i1.81

Abstract

Concentrations of monobutyltin (MBT), dibutyltin (DBT) and tributyltin (TBT) compounds were analyzed in surface sediment samples collected from twelve stations along the Eastern Gulf of Thailand. The total butyltin (â??BTs) concentrations ranged between <1 and 109.7 ng g (dry weight). The overall concentration ranges found in the sediments were from <1 to 79.81 ng g-1 for MBT, from <1 to 9.5 ng g -1 for DBT, and from <1 to 29.8 ng g-1 for TBT, on a dry weight basis. MBT generally prevailed in most of the samples, suggesting the occurrence of old inputs of butyltin compounds in the area. Butyltin compounds were also measured in Nassarius sp., where â??BTs concentrations were found to range between <1 and 238 ng g-1 (wet weight). The level of butyltin compounds in gastropod tissue samples tended to be related to that of the sediments and percentage of imposex incidence.
SEASONAL CHANGE IN THE DIEL PATTERN OF THE PSEUDO-NITZSCHIA POPULATION IN THE CISADANE RIVER ESTUARY: RESPONSE TO THE CHANGES IN THE WATER’S PHYSICAL-CHEMICAL PARAMETERS Rachman, Arief; Thoha, Hikmah
Marine Research in Indonesia Vol 39 No 1 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1937.606 KB) | DOI: 10.14203/mri.v39i1.83

Abstract

Seasonal changes of Pseudo-nitzschia diel dynamics in an estuarine ecosystem have been known to be regulated by salinity, water temperature and nutrient dynamics. In this study, we aimed to investigate the effect of these physical-chemical factors on the diel pattern of the Pseudo-nitzschia population in the Cisadane River estuary.Plankton samples were collected from a diel station at two different periods, in the dry season (May-June) and thewet season (September). Plankton samplings were done in a 24 hour period with 3 hourly sampling intervals. The result showed a higher abundance of Pseudo-nitzschia in the dark-period during the dry season, while during the wet season the abundance was higher in the light-period. Nitrate and phosphate concentrations were suggested as important factors in facilitating Pseudo-nitzschia maxima. The low abundance of Pseudo-nitzschia in the estuarycould be due to the relatively low N:P ratio (<10). The results showed that the Cisadane River estuary was strongly influenced by seawater during the night and by freshwater during day. The GLM analysis suggested that there were changes in the species omposition of the Pseudo-nitzschia population in the ecosystem. The oligohaline species was found to be abundant in the dry season, the maxima occurred at night, which is probably related to a highermarine influence in the ecosystem. Conversely the polyhaline species was abundant in the wet season, with the maxima occurring during daylight, which might be related to a stronger freshwater influence in the ecosystem.
BIOACCUMULATION OF CADMIUM (CD) BY WHITE SHRIMP PENAEUS MERGUIENSIS AT DIFFERENT SALINITY IN KEDUNGMALANG ESTUARY, JEPARA (CENTRAL JAVA) Manullang, Corry Yanti; Hutabarat, Johannes; Widowati, Ita
Marine Research in Indonesia Vol 39 No 1 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (949.472 KB) | DOI: 10.14203/mri.v39i1.84

Abstract

Estuarine of Kedungmalang has salinity variability and is assumed to bepolluted by cadmium (Cd) derived from human activities around Kedung region. In this study, bioaccumulation of Cd by white shrimp Penaeus merguienis in relation with salinity difference was determined. Sampling was conducted at four stations : estuary (15� and 25� of salinity) and husbandry area (15� and 25� of salinity). Data on in situ water quality parameters was obtained at each station. Absorption Atomic Spectrometer was used to measure Cd concentration. The water quality of parameters and the concentrations of Cd in the shrimp were compared with quality standards and weekly consumption limit of white shrimps is also suggested. The Cd concentrations on the white shrimp was found the highest concentration of 0.669 μg.g-1 . The limit comsumption of the white shrimp of Estuarine of Kedungmalang,suggested by the resut of this study, is about 523-1537 grams per week.
DISTRIBUTION OF METALS IN CISANGGARUNG ESTUARY SEDIMENT, WEST JAVA, INDONESIA Budiyanto, Fitri; Lestari, -
Marine Research in Indonesia Vol 39 No 1 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1172.348 KB) | DOI: 10.14203/mri.v39i1.90

Abstract

Volcanic activities have in� uenced the Cisanggarung estuary in western Cirebon Regency, altering metal concentrations in the bottom sediment. Observation of metal content in the ocean there was carried out in August 2009. Sediment samples were collected at 16 stations along the Cisanggarung coastline. The aim of this work was to determine the spatial distribution of Cd, Cu, Pb and Zn in the sediment of the Cisanggarung estuary. Sediment was destructed using 3 acids: nitric acid, chloride acid and peroxide acid, which was then analyzed by Flame Atomic Absorption Spectrophotometry based on the US EPA 3050b method. The highest concentrations of Cd, Cu, Pb and Zn in the sediment were 0.73 mg/kg dry weight, 31.4 mg/kg dry weight, 23.9 mg/kg dry weight and 143 mg/kg dry weight, respectively. The metals in the sediment had accumulated near the shoreline, up to fi ve kilometers away from the river mouth, indicating that terrestrial area and sediment fractions in� uenced their distribution.

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