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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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GROWTH OF JUVENILE GREEN SNAIL (Turbo marmoratus) CULTURED IN CAGES PLACED AT DIFFERENT DEPTHS Dwiono, S. A.P.; Setyono, D. E.D.
Marine Research in Indonesia Vol 31 (2006)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6036.587 KB) | DOI: 10.14203/mri.v31i0.536

Abstract

This research was part of successive studies on culture techniques of juvenile green snail (Turbo marmoratus). This study was carried out for 14 weeks in coastal waters of Morella, Ambon Island. Three cages were placed at depths of 0 m, 4 m and 8 m below mean sea level. Each cage had a bottom area of 0.81 m2 and was stocked with 20 green snail juveniles of 40-50 mm shell diameter. During the first 4 weeks, juveniles reared at 0 m deep showed lowest instantaneous growth, while those reared at 8 m deep attained highest instantaneous growth. The instantaneous growth decreased significantly over 6 weeks for juveniles reared at 4 m and 8 m deeps. Over 14 weeks, juveniles reared at 8 m deep had higher daily growth than those at 0 m deep. It is recommended that to grow green snail juveniles at 8 m deep without any food complement, the substrates (coral nibbles) in the cages need to be renewed every 4 weeks with ones covered with microalgae.
MARINE BIODIVERSITY OF INDONESIA: LARVAL FISH PERSPECTIVE Syahailatua, A.
Marine Research in Indonesia Vol 31 (2006)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7112.937 KB) | DOI: 10.14203/mri.v31i0.537

Abstract

Marine life of Indonesia is very well known as a high diversity according to Ekman's hyphothesis. However, from the larva fish perspectives, this hypothesis seems to be rejected according to the comparative results of larval fish studies during the Snellius Expedition (1984-1985) in Banda Sea and the larval fish observation related to the East Australian Current (1998-1999) off New South Wales coast in Australian waters. Larval fish diversity from some previous studies over the world is also included. Several suggestions are also recommended to enhance our knowledge in marine biodiversity including improvement in marine biodiversity observation such as, research programs, field and laboratory facilities and numbers of taxonomists, and also collaborative works among research institutes, universities, and non-governmental organizations.
BRIDGING COASTAL RESEARCH PROGRAM BETWEEN INDONESIA AND JAPAN Arifin, Zainal; Saito, Hiroaki
Marine Research in Indonesia Vol 44 No 1 (2019)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (640.761 KB) | DOI: 10.14203/mri.v44i1.551

Abstract

The JSPS Core-to-Core Research and Education Network on Coastal Ecosystems in Southeast Asia (RENSEA) 2016-2019 program has benefited Indonesian and Japanese researchers, as well as researchers in Southeast Asia. The program consists of three research groups; G1: Physical oceanography, G2: Biodiversity, and G3: Marine pollution. Considering the vast geographical area of Indonesia, managing joint research at the national level is challenging. Few active members, lack of funding, as well as the reorganization of research institutions over the last two years, pose more challenges. Funding as an engine of research execution has become highly competitive in recent years; therefore, research groups need to be more active in securing available funding at the national level, such as the COREMAP-CTI demand-driven research program, LPDP research scheme, and INSINAS research fund. From the science management perspective, the regional Core-to-Core RENSEA program needs to adapt to global trends in marine science with closer communication during the planning and execution of research projects. We recommend that joint research projects are developed to have more joint supervisory of graduate students; therefore, the collaboration would result in joint research publications and formal degrees for young scientists at the end of the program. In this way, the JSPS Core-to-Core program would have more significant benefits to the development of coastal science and research cooperation.
THE CO-OPERATIVE STUDY OF KUROSHIO (CSK): IS IT BENEFICIAL FOR INDONESIA? Mulyadi, Hanung Agus; Syahailatua, Augy; Arifin, Zainal
Marine Research in Indonesia Vol 44 No 2 (2019)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Cooperative Study of Kuroshio and its marginal seas (CSK) is one of the international joint research project conducted in the Western Pacific region. Many Asian countries had been involved in this project from 1965 to1979. Data and information from the CSK are enormous and cover wide-ranging aspects of marine science from the Kuroshio and adjacent regions (e.g. physical aspects, biological aspects and biogeochemical aspects). Indonesia had committed to participate actively in several marine research programs in the area linked to the CSK program by conducting marine research in its internal waters. This essay explained the CSK from biological aspects and Indonesia perspective. During the CSK, biological aspects (e.g. primary productivity, zooplankton biomass, and fisheries) were studied intensively. Indonesia conducted research in internal waters (Natuna Sea and the Java Sea) for oceanography monitoring and fish stock assessment. Participation in the CSK program allowed Indonesia to pursue the establishment of the National Center for Ocean Research (NCOR), develop human capacity building, research properties and standardized all techniques and procedures related to oceanography aspects. After the CSK, Indonesia has continued to conduct marine research linked to the previous study. We learn a lot from the past CSK that a key to succeeding in running this program depending on co-operative spirit, enthusiastic in understanding marine science from the region and enhancing human capacity for doing better marine research.
THE BUDGET OF MIXED LAYER SALINITY IN THE SOUTHEAST INDIAN OCEAN DURING LAST DECADE Iskandar, Mochamad Riza
Marine Research in Indonesia Vol 44 No 2 (2019)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v44i2.546

Abstract

The last decade of mixed layer salinity budget in the southeast Indian Ocean is evaluated by using monthly gridded Argo dataset from January 2004 to December 2015. The evaluation of salinity budget through the examination of evaporative, precipitation, Ekman advection, geostrophic advection and entrainment terms. The mixed layer salinity (MLS) in SETIO tend to fresher in 2004-2014 and slightly saltier again in 2015. The cycle of MLS closely follows the freshwater flux of atmospheric forcing. The Ekman and geostrophic advection are smaller than the atmospheric terms. Even though, the geostrophic advection tends to make MLS fresher. The vertical entrainment competes with the atmospheric flux to make saltier the MLS.
MANAGING SHIFTING FISHERIES RESOURCES Ryan, Charlotte; Rifai, Husen; Feng, Anne; O'Hara, Nicole; Saawant, Swapnil
Marine Research in Indonesia Vol 44 No 2 (2019)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v44i2.556

Abstract

The unprecedented rate of climate change and over-exploitation of resources has had a significant impact on ecosystems around the globe. In particular, the oceanic realm has encountered multiple changes to ecosystem condition, food web dynamics and habitat constructs. Many marine species have been driven to shift their geographical range in reaction to reaching their physiological limits causing severe metabolic stress. This includes key fishery targets, such as pelagic and carnivorous fish, that supply many nations with their primary or secondary protein source. The shift also spurs an array of political and economic consequences due to the need for fisheries to follow or target different fish stocks that are no longer in their exclusive economic zone or legal fishing waters. For this reason, and many other logistical and financial reasons, management strategies have struggled to maintain and sustain fish stocks around the globe. This paper will look at a Northeast Atlantic mackerel case study; compare and analyse the implications of shifting fish stocks; and illustrate difficulties related to managing the fisheries who target these stocks. Furthermore, the authors will highlight the need for a combination of a global strategies and smaller-scale ecosystem approaches in fisheries management, to be able to sufficiently sustain fisheries and thus future food security, during a time of climatic change.
SPATIAL DISTRIBUTION OF TUNA LARVAE IN THE BANDA SEA WITH RELATION TO ITS CONSERVATION Romdon, Ahmad; Fadli, Muhammad; Hehuwat, Yance; Pay, La; Satrioajie, Widhya Nugroho; Syahailatua, Augy
Marine Research in Indonesia Vol 44 No 2 (2019)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v44i2.558

Abstract

Tuna is the single important export fishery commodity in Indonesia, which The Banda Sea is one of the important tuna fishing ground in which it belongs to fisheries management area (FMA) 714. More recently, some areas of the Banda Sea have been preserved for tuna conservation since January 2015 because it is indicated as the spawning area. Despite the conservation area has been enacted, information on the distribution of tuna larvae as a key variable for establishing conservation area in the Banda Sea is very limited. This study aims to provide the information on the tuna larvae encompassing the spatial distribution and tuna larval development stage as an important input to establish tuna conservation area. Tuna larvae data were collected from several surveys that were done in the Banda Sea over 4 decades. Those study consisted of 21 surveys by using three types of gears to collect tuna larvae sample. Total of 143 stations have been sampled from these surveys and tuna larvae were found in 57 stations. The body length of larvae tuna was 7.36 ± 0.33 mm (mean ± SE). Overall, tuna larvae found in the Banda Sea were in the pre-flexion, flexion, and post-flexion stage. Meanwhile, tuna larvae in pre-flexion stage found in the nearshore area. We concluded this study result supported the hypothesis that tuna may spawn in the Banda Sea. Therefore, more studies on tuna larvae need to be conducted to clarify properly the Banda Sea is an important tuna conservation location.

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