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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.
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Articles 11 Documents
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Search results for , issue " Vol 18 (1977)" : 11 Documents clear
STRUCTURAL ANALYSIS OF MANGROVE COMMUNITIES ON THE CENTRAL QUEENSLAND COASTLINE Saenger, P.; Robson, J.
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 (990.348 KB) | DOI: 10.14203/mri.v18i0.365

Abstract

The mangrove communities of the Central Queensland coastline are structurally and floristically intermediate between the relatively simple, temperate mangrove communities to the south, and the more complex and luxuriant communities to the north. Climatically the central Queensland coastline is subtropical with a low (1011 mm) annual rainfall, falling mainly in the summer months; evaporation rates are high, particularly in winter. As a result of a four-metre tidal range and a gentlysloping depositional coastline, the areal extent of mangroves is large and most topographic and physiognomic types are represented. Twelve species of mangroves occur in the study area and although zonation is recognizable, the zones are neither constant nor discrete. In the Port Curtis area, three large plots (500 m2 have been established in which all mangroves have been numbered and tagged since January 1975. The results of the initial investigation of the plots are presented together with some of the changes noted on re-examination after 12 months.
ADAPTATIONS OF DECAPOD CRUSTACEANS TO LIFE IN MANGROVE SWAMPS Malley, D. 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 (264.384 KB) | DOI: 10.14203/mri.v18i0.361

Abstract

Decapod crustaceans such as sesarmid and ocypodid crabs and thalassinid lobsters are conspicuous in numbers and bio mass on the mangrove swamp floor. An understanding of their biology and physiology is concomitant with a full understanding of their role in swamp ecology and management and for controlling them when they are pests or for augmenting their usefulness. The swamp environment of decapods is essentially a moist, low oxygen (in standing water), very broad intertidal habitat with an abundant food source available in angiosperm tissue. Present knowledge of the biology of mangrove decapods will be briefly summarized, such as feeding, respiratory, reproductive and behavioural adaptations, and including reports on feeding by Chiromanthes spp. in Malaysian swamps. In addition, the paper will attempt to identify fruitful areas for physiological and ecological research such as metabolic adaptations to angiosperm diet.
A PRELIMINARY STUDY OF THE MANGROVE FOREST ON PULAU RAMBUT, JAKARTA BAY Kartawinata, Kuswata; Walujo, Eko B.
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 (731.457 KB) | DOI: 10.14203/mri.v18i0.366

Abstract

Pulau Rambut (± 56ha) is one of the islands of the Pulau Seribu group. It is a coral island covered by disturbed forest and secondary growth at the center, and mangrove forest at its periphery. A study in a 290 x 10 m transect running south to north across the mangrove forest shows a distinct zonation as follows : the Scyphiphora hydrophyllacea - Lumnitzera racemosa community on coral flat with patchy shallow soils on the interior, the Rhizophora mucronata community on relatively deep soil overlaying coral formation, and the R. mucronata - R. stylosa community on periodically submerged coral flat. Profile diagrams established along the transect show structural changes also. The R. mucronata forest is the most developed community and appears to be the most prevalent. R. stylosa forms the pioneer species on this island.
QUANTITATIVE SAMPLING AND PRODUCTION ESTIMATES OF FIDDLER CRABS IN A MALAYSIAN MANGROVE Macintosh, D. J.
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 | DOI: 10.14203/mri.v18i0.435

Abstract

Not available
NOTES ON THE TEREBRALIA PALUSTRIS (GRASTROPODA) FROM THE CORAL ISLANDS IN THE JAKARTA BAY AREA Soemodihardjo, Subagjo; Kastoro, Widiarsih
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 (753.359 KB) | DOI: 10.14203/mri.v18i0.367

Abstract

A dense population of Terebralia palustris occurs in many coral islands in the Jakarta Bay area, living usually in association with mangrove communities. A preliminary study on this gastropod has been carried out in two islands, Pulau Rambut and Pulau Burung, which concerned with population density and structure, length-weight relationship, rate of growth, and the effect of prolonged desiccation and starvation. Analyses were made on the properties of the substrate including soil component, organic matter content, pH, salinity, and daily temperature fluctuation at the soils surface.No less than 130 specimens per square meter were counted in the most densely populated place in Pulau Rambut. The length frequency distribution showed a bimodal histogram, and the length-weight relationship was represented by the following equation: W = 0.00024 L25534 where : W = dry weight in gram; L = length in milimeter.A number of young individuals were confined in a fenced area for growth study. During the first four-month they gained an average additional length of 10 mm. Out of water and starved this gastropod may survive for three months.
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.
RELATIONSHIP BETWEEN TIDAL FORESTS (MANGROVES) AND COMMERCIAL SHRIMP PRODUCTION IN INDONESIA Naamin, Nurzali
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 (467.853 KB) | DOI: 10.14203/mri.v18i0.363

Abstract

An attempt has been made to relate the surface areas of tidal forest (mangrove) and the commercial shrimp production in those areas and adjacent waters in Indonesia. A significant linear relationship (a = 0.01) was obtained between these two variables as expressed in an equation : Y = 5.473 + 0.1128 X, where Y k the shrimp production in 103 tons and X is the mangrove surface area in 104 Ha. This relationship indicates that the shrimp production increases with the size of the tidal forest area implying that any reduction of the tidal forests, e.g. for industrial and agricultural purposes will cause a decrease in shrimp yield.
ENVIRONMENTAL THREATS TO EAST AUSTRALIAN MANGROVE FORESTS AND TIDAL MARSHES Davie, J. D.S.; Hegeri, E. J.
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 (218.439 KB) | DOI: 10.14203/mri.v18i0.359

Abstract

Not provided
BURROWING CENTRAL AMERICAN MANGROVE LAND CRABS AND THEIR BURROW ASSOCIATES Bright, Donald B.
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 (564.693 KB) | DOI: 10.14203/mri.v18i0.364

Abstract

General remarks on the following aspects of the life history of land crabs are presented: migration, shedding of eggs, molting, juveniles and food. The nature of the crab burrows and the associated burrowdwelling organisms also are presented. The distribution of burrowing land crabs is discussed with respect to three general plant formations in gecarcinid crab localities, ie., Mangrove-Estero, Island and Strand patterns.
THE MANGROVE FORESTS OF CAIRNS, NORTHERN AUSTRALIA Hegerl, E. J.; Davie, J. D.S.
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 (927.756 KB) | DOI: 10.14203/mri.v18i0.360

Abstract

Surveys of the flora and fauna of the Cairns tidal wetlands were carried out by members of the Australian Littoral Society during the summers of 1974 and 1975. These wetlands cover an area of 6000 hectares in Trinity Inlet and the Barron River delta. The Cairns mangrove and saltmarsh vegetation forms distinct patterns of zonation which appear to be largely controlled by the volume and constancy of freshwater flow. The results of extensive collections revealed a wetlands associated fauna of invertebrates and fish that is considerably more diverse than has previously been reported for northern Queensland. While some species are ubiquitous, many of the invertebrates have been found only in a discrete habitat within particular zones of vegetation. Species diversity of molluscs and crustaceans is greatest in the most constantly inundated zones. A diverse fauna occurs in rotted mangrove logs. Data were obtained on the export of organic material from a small mangrove watershed on one day in December 1975. These revealed a figure for detritus of 11.3 gC/m2/day. This was composed of a dissolved organic carbon fraction of 6.3 gC/m2/day, and 5.0 gC/m2/day of particulate organic carbon. These figures are discussed in relation to available literature on mangrove forests and estuaries. Rapid urban and agricultural development of Cairns is now placing a large portion of these wetlands under serious threat of destruction. The prospects for the future conservation of the Cairns tidal wetlands are discussed.

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