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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 5 Documents
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Search results for , issue "Vol 44 No 2 (2019)" : 5 Documents clear
ANALISIS KARAKTERISTIK GELOMBANG LAUT MENGGUNAKAN SOFTWARE WINDWAVE-12 (STUDI KASUS : KEPULAUAN MENTAWAI) Nadia Friska Marelsa; Yosyea Oktaviandra
OSEANA Vol 44 No 2 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.2.23

Abstract

CHARACTERISTIC ANALYSIS OF SEA WAVES USING WINDWAVE-12 SOFTWARE (CASE STUDY: MENTAWAI ISLANDS). Territorial water of Mentawai Islands that directly facing to India Ocean has some potency of big waves to happen it has an impact on community activity like fisherman activity, ship crossing and many more. This research is implemented to get the ideas of the characteristic sea waves using Windwaves-12 with data that are used from December 2016 until November 2017. From processing data of Windwaves-12 can be concluded that the highest significant wave value occurs during the western season (December – February) and east season (June – August) with height 0,5 – 2m. In the transition season II (September – November) significant wave height with 0,5 – 2 and the transition season I (March – may) lowest significant wave in 0,5 – 1,25 m until this season still in the safe situation for the people to do their activity.
KARAKTERISTIK DAN ASPEK BIOLOGI Scaphopoda (MOLUSKA) Putri Sapira Ibrahim
OSEANA Vol 44 No 2 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2017.Vol.42No.2.24

Abstract

CHARACTERISTICS AND BIOLOGICAL ASPECTS OF Scaphopoda (MOLLUSCS). Scaphopoda are bilaterally symmetrical marine molluscs, commonly known as the "tusk shells" because their shells are conical. There are approximately 900 species of Scaphopoda, found in soft silty marine sediments, which they burrow in search of food. Scaphopoda feeds on microorganisms, their diet dominated by foraminiferans. Hermaphroditic scaphopoda has been reported but rare. The biodiversity of Scaphopoda had been underestimated because the taxonomic and biological aspects of scaphopoda have not been well studied. Classification, morphology, reproduction, behavior, habitat, and distribution of Scaphopoda are discussed in this paper.
FITOPLANKTON DAN SIKLUS KARBON GLOBAL Mochamad Ramdhan Firdaus; Lady Ayu Sri Wijayanti
OSEANA Vol 44 No 2 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.2.39

Abstract

PHYTOPLANKTON AND GLOBAL CARBON CYCLE. Scientists around the world believe that phytoplankton, although microscopic, have a large role in the global carbon cycle. Various research results show that the net primary productivity of all phytoplankton in the sea is almost as large as the net primary productivity of all plants on land. Phytoplankton through the process of photosynthesis absorbs 40-50 PgC / year from the atmosphere. Also, phytoplankton is known to be responsible for transporting carbon from the atmosphere to the seafloor through the carbon biological pump mechanism. Phytoplankton from the coccolithophores group is known to play a role in the sequestration of carbon on the seabed through the carbonate pump mechanism. The mechanism is capable of sequestering carbon for thousands of years on the seabed in the form of sedimentary rocks (limestone).
INTERAKSI MIKROALGA-BAKTERI DAN PERANANNYA DALAM PRODUKSI SENYAWA DALAM KULTUR MIKROALGA Diah Radini Noerdjito
OSEANA Vol 44 No 2 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.2.48

Abstract

MICROALGAE-BACTERIA INTERACTIONS AND THEIR ROLES ON METABOLITES PRODUCTION OF MICROALGAE CULTURE. During this time, bacteria existence in microalgae culture is considered as a negative thing. Recently, the interaction between bacteria and microalgae can also be a mutually beneficial relationship or not detrimental to the other party. The mutually beneficial relationship between bacteria and microalgae can be applied as basic knowledge to increase microalgae culture production, which can be used further as a control mechanism for bacterial-microalgae interactions and can help increase the biomass production and certain metabolites microalgae culture. Another application is such as in environmental technology for bioremediation and bloom control.
MENGENAL PEREKAYASA EKOSISTEM Allsay Kitsash Addifisyukha Cintra
OSEANA Vol 44 No 2 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.2.49

Abstract

UNDERSTANDING THE ECOSYSTEM ENGINEERS. Ecosystem engineers are organisms that can create, destroy or even maintain the sustainability of a particular habitat. The process of ecosystem engineering begins with structural changes in the environment and subsequently change the abiotic the biotic term or the existence of other organisms. Ecosystem engineers are divided into two, namely autogenic and allogenic engineers. Autogenic engineers change the habitat condition by shifting their body conditions, whereas allogenic engineers that can directly change habitat conditions. The impact of ecosystem engineers on the environment is determined by the magnitude and duration of structural changes made or abandoned by the ecosystem engineer. Understanding the concept of ecosystem engineering is useful as one of the efforts to restore habitat and conservation acts.

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