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INDONESIA
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 85 Documents
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IKAN NAPOLEON (Cheilinus undulatus), SPESIES TERANCAM PUNAH DI KEPULAUAN NATUNA DAN ANAMBAS Ayuningtyas Indrawati; Suparmo Suparmo
OSEANA Vol 46 No 2 (2021)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2021.Vol.46No.2.112

Abstract

Napoleon fish (Cheilinus undulatus) is one of the high value commodities in the live reef fish trade. The fishing pressure for this particular fish has threatened its population in the wild. The Napoleon fish was assessed as an endangered species in the IUCN Red List and listed on Appendix II of CITES (Convention on International Trade in Endangered Species). Indonesia is one of the largest exporters of the Napoleon fish, with the biggest source of exports from Natuna and Anambas Islands. The utilizations of Napoleon resources in Natuna and Anambas Islands include: (a) capturing juveniles from nature; (b) raising juveniles in capture-based aquaculture; and (c) exporting the Napoleon fish (Ranched-sourced) to Hong Kong as the main destination. The abundance of Napoleon fishes in the Natuna and Anambas Islands was very low. The management effort of Napoleon fisheries at the national level was regulated by implementing size limitation and export quota system for international trade to control the number of Napoleon fishes that can be exported annually. Further research is needed to find out the abundance, distribution, and biological aspects of juvenile Napoleon fishes in the Natuna and Anambas Islands. This information is required as a basis data for management recommendations to protect the Napoleon fish population in the wild.
TINJAUAN STATUS HIU BELIMBING (Stegostoma tigrinum) DI PERAIRAN INDONESIA Fahmi Fahmi
OSEANA Vol 46 No 2 (2021)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2021.Vol.46No.2.118

Abstract

The zebra shark (Stegostoma tigrinum), or previously known as Stegostoma fasciatum, is an oviparous shark that usually inhabit in inshore and shallow coastal areas throughout the Indo West Pacific region, from South Africa to Solomon Islands. This species is found mostly on sandy substrates, around coral and rocky reefs, to at least 65 m depth. In 2019, the IUCN changed the vulnerable status of this species to be endangered due to the global population declined by 50% within the last 51 years. In contrast, the zebra shark was not classified as a threatened species in any regulations and conventions related to conservation acts both nationally and regionally. In Indonesia, this species has been caught and utilized for its fins, meat, skin, and cartilages for a long time and is often being traded as a live shark for aquaria. The ongoing exploitation of this species in this country has indicated local extinction in several locations. This paper reviews the taxonomy, biology, utilization, population, and threats on S. tigrinum in Indonesia as basic knowledge for better management of this species in the future.
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.

Page 9 of 9 | Total Record : 85

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