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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 3 Documents
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Search results for , issue "Vol 47 No 1 (2022)" : 3 Documents clear
ENDEMISME SPESIES BIOTA PERAIRAN: STUDI KASUS PADA IKAN CAPUNGAN BANGGAI (Pterapogon kauderni) Ucu Yanu Arbi
OSEANA Vol 47 No 1 (2022)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2022.Vol.47No.1.110

Abstract

A species becomes endemic if found only in one place and not found elsewhere. Physical, climatic, and biological factors can cause endemism through two commonly known mechanisms, namely "autochthonous" and "allochthonous". The Banggai cardinalfish (Pterapogon kauderni) was an endemic fish from the Banggai Islands waters, Central Sulawesi. Biologically, these fish cannot spread beyond their original habitat. This apogonid fish was endemic due to several main contributing factors. First, slow movement which causes limited habitat distribution. Second, have paternal mouthbrooder characters so that they do not have a larval phase. Third, shows an ontogenetic shift in terms of microhabitat selection. Fourth, has a subpopulation that a criteria of Evolutionarily Significant Unit. This review aims to provide a brief review of the endemism of marine organisms with a case study on the Banggai cardinalfish.
PENGGUNAAN INDEKS PENCEMARAN LOGAM BERAT DALAM SEDIMEN DI WILAYAH PESISIR: STUDI KASUS SEGARA ANAKAN CILACAP JAWA TENGAH Triyoni Purbonegoro
OSEANA Vol 47 No 1 (2022)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2022.Vol.47No.1.113

Abstract

The concentration of heavy metals in the water column does not necessarily reflect the actual pollution of coastal waters. This is because the concentrations of heavy metals in water columns are generally lower than in sediments. Heavy metal contamination in sediments is a serious threat to coastal ecosystems and has become a major concern for the community. For better management of coastal ecosystems, stakeholders need information on environmental conditions that is easy to understand. The pollution index is very useful for processing, analyzing, and translating ‘raw’ environmental data into easily understood information. The CF index is useful for determining the pollution status of single metal, while the PLI index is useful for determining the pollution status of several heavy metal contaminants in sediments. The Igeo index determines the level of pollution by taking into account the effects of variations in the earth's layers (lithosphere), while the EF index determines the level of heavy metal enrichment and determines whether the enrichment is natural or comes from human activities (anthropogenic). Finally, the PERI index determines the ecological risk caused by the contamination of several metals by taking into account the toxic response of each metal.
KAJIAN KELIMPAHAN MIKROPLASTIK PADA SEDIMEN DI WILAYAH INDONESIA Diah Ayu Ambarsari; Milani Anggiani
OSEANA Vol 47 No 1 (2022)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2022.Vol.47No.1.119

Abstract

Microplastic pollution in the ocean is a type of hazardous waste. Microplastics are defined as plastic particles with a microscopic size of less than 5 mm. Generally, easy-to-find microplastics include fragments, films, and fibers. Microplastic fibers and fragments are classified as secondary microplastics derived from plastic fragmentation. The high abundance of this type of fragment is due to the predominance of waste on the riverbanks, such as plastic bottles or other household plastic waste, which is the source of these microplastic fragments. Meanwhile, microplastics with a high fiber content are caused by fishing activities such as degrading fishing lines and nets or by sources of waste from human activities that enter the river flow and settle in the sediment. Microplastics research is concentrated in western Indonesia, with only a few studies conducted in eastern Indonesia. This is because western Indonesia is more densely populated, implying that more plastic waste will be generated. As a result, research on the distribution and abundance of microplastics in sediments should be expanded, particularly in eastern Indonesia. It is necessary to conduct more thorough research on microplastics on the Indonesian mainland.

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