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OSEANA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 02161877     EISSN : 27147185     DOI : -
Core Subject : Science, Education, Social,
Biochemistry, Genetics & Molecular Biology Environmental Science Other
OSEANA adalah jurnal elektronik nasional yang menerbitkan artikel ilmiah yang bersumber dari penelitian maupun artikel penelaahan pustaka dalam bidang oseanografi di Indonesia. Tujuan dari penerbitan OSEANA adalah untuk memberikan informasi kepada masyarakat yang berminat terhadap bidang oseanologi yang meliputi kegiatan, perkembangan, serta hasil-hasil yang telah dicapai oleh Pemerintah Indonesia khususnya di bidang kelautan. Penerbitan jurnal ini dikelola oleh Pusat Penelitian Oseanografi LIPI dan diterbitkan dua kali setahun di bulan April dan Oktober. Redaksi menerima sumbangan karya yang behubungan dengan ilmu kelautan (oseanografi biologi, oseanografi fisika, oseanografi kimia, oseanografi geologi, dan bidang-bidang terkait lainnya) yang bersifat ilmiah. Redaksi juga menerima tulisan dari ahli/penulis dari luar Pusat Penelitian Oseanografi LIPI.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Oseanografi
Articles 6 Documents
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Search results for , issue "Vol 44 No 1 (2019)" : 6 Documents clear
PERANAN EKOLOGI MAKROALGA BAGI EKOSISTEM LAUT Tri Handayani
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.25

Abstract

ECOLOGICAL ROLE OF MACROALGAE FOR MARINE ECOSYSTEM. Macroalgae is an ecologically and economically important component in marine ecosystem. Ecologically, macroalgae has a role as a primary producer, food for other marine biota, provide shelter, nursery ground and carbon sink. Macroalgae contains photosynthetic pigments to be able to provide their own food and produce carbon dioxide for other marine biota (called primary productivity). Macroalgae is a food source, provide shelter and nursery ground for fish, gastropods (mollusks), crustaceans and sea urchins. Macroalgae also has the ability to to reduce the effects of global warming through carbon sink. Absorption of carbon emissions of anthropogenic activity by marine organisms are called as blue carbon. Therefore, macroalgae is ecologically importantfor the balancing of marine ecosystems sustainability.
SENYAWA BIOAKTIF MIKROALGA DAN PROSPEKNYA DI MASA DEPAN Indyaswan Tegar Suryaningtyas
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.28

Abstract

BIOACTIVE COMPOUND FROM MICROALGAE AND ITS FUTURE PROSPECT. Microalgae biomass is potential to be used in various fields, one of which is as a producer of bioactive compounds. Bioactive compounds from microalgae can be used extensively in the pharmaceutical industry, cosmetic’s raw materials, food flavouring substances, and functional food ingredients. In terms of health, the bioactive compounds have the potential as antioxidants, antiviral, antibacterial, anti-fungal, anti-inflammatory, anti-tumor, and prevent the effects of malaria, but the potential for microalgae’s bioactive compound has not been explored well if compared to the production of terrestrial plants. Some examples of the bioactive compounds that have been used are carotenoid groups such as lutein, β-carotene, astaxanthin and fucoxanthin; fatty acid groups such as EPA and DHA; and also some toxin compounds such as domoic acid. To obtain the optimum yield of bioactive compounds, it requires the right method in biomass production, compound extraction, compounds isolation and compounds identification. While testing the activities, it is necessary to do some assays such as antioxidan, antibiotic, antiviral and anticancer assay. The development of the technology can improve the potential use of microalgae to synthesis its bioactive compounds.
PENGARUH FAKTOR HIDRODINAMIKA TERHADAP SEBARAN LIMBAH AIR PANAS DI LAUT Dewi Surinati; Muhammad Ramadhani Marfatah
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.29

Abstract

HYDRODYNAMICS EFFECT TO THE DISTRIBUTION OF THERMAL WASTE IN THE OCEAN. The ocean is a thermal waste disposal site derived from thermal power plants. The ecosystems and marine biota could be disrupted even massive damaged if this waste was disposed into the ocean without proper processing. All activities in the ocean need a well understanding of hydrodynamics to avoid or minimize any negative effects that may occur. It needs dispersion modeling of heat water prior to the construction of the power plant in order to reduce the impact of environmental damage.
KETIDAKPASTIAN DALAM PEMODELAN PERUBAHAN IKLIM Ahmad Bayhaqi
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.30

Abstract

THE UNCERTAINTIES IN CLIMATE CHANGE MODELING. Climate in the Earth has changed over the periods and will be estimated to give the a significant impact for environment in the future. Climate prediction using a simulation model, as a tool to predict the future climate and it requires the high quantitative skills and technology, has showed the significant improvement. However, the climate model depends on the input variable and the result may be inaccurate because its biases and uncertainties. Information of the uncertainties in the climate model can determine the modification in climate change mitigation and show the way how to adapt with the inevitable changes.
PENGGUNAAN LIDAR (LIGHT DETECTION AND RANGING) UNTUK MENGUKUR KEDALAMAN PERAIRAN DANGKAL Hollanda A Kusuma; Nadya Oktaviani
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.31

Abstract

UTILIZATION OF LIDAR (LIGHT DETECTION AND RANGING) TO MEASURE SHALLOW WATER DEPTH. Understanding on seabed characteristics such as the topography, composition and habitat conditions was very important to provide information not only for shipping activities, conservation, management and planning activities, but also for research activities with accurate bathymetry data. Accurate bathymetric data can be obtained from hydrographic surveys and remote sensing technology analysis. The hydrographic survey is used to obtain bathymetry data by applying singlebeam echosounder (SBES) and multibeam echosounder (MBES). At a depth of <15m (shallow water) was difficult to carry out an acoustic survey. At present there is one remote sensing technology that can be used to support hydrographic surveys namely Bathymetric LIDAR (Light Detection and Ranging). LIDAR was able to detect objects on land and waters due to being flown by a vehicle. Wide LIDAR sweep makes data acquisition faster and more effective than acoustic noise. Therefore, LIDAR was an alternative to obtain depth data, especially in coastal areas with a depth of less than 50 m.
KARAKTERISTIK UMUM DIATOM DAN APLIKASINYA PADA BIDANG GEOSAINS Septriono Hari Nugroho
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.32

Abstract

AN OVERVIEW OF DIATOM AND ITS APPLICATIONS ON THE GEOSCIENCE AREA. Diatoms have been being studied in many countries. Diatoms provide a valuable and well-understood means on biomonitoring – one of which is focused on the base of the aquatic foodweb and highly representative of water quality. They are found in most aquatic environments and the sys tematic and taxonomic investigations of modern and fossil diatoms have been supported by numerous stud ies of distributional ecology. Diatom systematics, taxonomy and ecology indeed offer a wide scope of applications - from water quality to environmental monitoring and biostratigraphy as well as on geoscience area. The application of diatom analysis in determining whether drowning was the cause of death has proven to be a valuable tool in forensic science. Furthermore, diatoms can provide a record of environmental conditions because their relationship to water quality and aquatic habitat has been already known, and the diatom cell wall, which is silicified to form a frustule, is well-preserved, easily detectable and occurs in high numbers in sediment and water. However, this should not be limited to simply make an inventory of data: thoughtful ecology and paleo-ecology will assist in predicting the environmental impact of pollution and climate changes.

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