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All Journal Journal of Marine Research OLDI (Oseanologi dan Limnologi di Indonesia) Marine Research in Indonesia Journal of Fisheries & Marine
Rikoh Manogar Siringoringo
Pusat Penelitian Oseanografi, Lembaga Ilmu Pengetahuan Indonesia (LIPI) Jl. Pasir Putih I/1 Ancol Timur. Jakarta, Indonesia 14430
Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science

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Status Trofik Ikan Karang dan Hubungan Ikan Herbivora dengan Rekrutmen Karang di Perairan Pulau Pari, Teluk Jakarta Wibowo, Kunto; Abrar, Muhammad; Siringoringo, Rikoh Manogar
Oseanologi dan Limnologi di Indonesia Vol 1, No 2 (2016)
Publisher : Oseanologi dan Limnologi di Indonesia

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Abstract

Keanekaragaman jenis dan kelimpahan ikan karang merupakan salah satu petunjuk tentang kesehatan ekosistem terumbu karang. Berdasarkan status trofiknya, ikan herbivora menjadi kelompok yang penting sebagai pengontrol populasi algae yang secara spasial merupakan kompetitor karang. Penelitian ini bertujuan untuk mengetahui kondisi keanekaragaman jenis ikan karang di perairan Pulau Pari dan hubungan ikan herbivora dengan rekrutmen karang. Penelitian dilakukan di lima stasiun ekosistem terumbu karang di Pulau Pari dan sekitarnya pada bulan Maret 2014. Pengumpulan data ikan karang dilakukan dengan cara pengamatan bawah air menggunakan transek sabuk sepanjang 70 m dan lebar 5 m. Pencatatan rekrutmen karang dilakukan dengan menggunakan transek 1 x 1 m2  sebanyak 9 kali ulangan. Tercatat sebanyak 121 spesies ikan karang yang tergolong dalam 25 genera dan 20 famili. Pomacentridae, Labridae, dan Chaetodontidae merupakan tiga famili dengan keanekaragaman spesies tertinggi. Kelimpahan ikan herbivora bervariasi antara stasiun, dari 4 hingga 52 individu dalam setiap transek. Rekrutmen karang di perairan Pulau Pari tergolong rendah, yaitu 3,22 koloni/m2. Namun, hasil regresi menunjukkan kelimpahan ikan herbivora berkorelasi positif dengan kepadatan karang muda. Kelimpahan ikan herbivora dan kepadatan karang muda di perairan Pulau Pari belum menunjukkan potensi maksimal bagi pemulihan karang setelah mengalami kerusakan. Rekrutmen karang yang rendah dalam ekosistem di perairan Pulau Pari ini juga disebabkan oleh sedimentasi, suhu, pola arus, dan salinitas.  
THE CONDITION OF CORAL REEFS IN WEST BANGKA WATER Siringoringo, Rikoh Manogar; Hadi, Tri Aryono
Marine Research in Indonesia Vol 39, No 2 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1230.245 KB) | DOI: 10.14203/mri.v39i2.86

Abstract

Bangka Island is well known as the world’s largest tin producer. The inland and offshore tin mining has profound effects on the coastal environment, resulting in the high sedimentation in the water. Many corals suffered physiological damage due to low light intensity. The distribution of stony corals and the status of coral reefs was surveyed at 6 sites in West Bangka waters in October 2012. A total of 72 species of corals belonging to 33 genera and 12 families were found, and 4 species were distributed at all research sites. The live coral coverage was 36% on average and was categorized as being in fair condition. The coverage was 0% at Kamboja Island where the corals were the most affected by tin mining. The sediment flowed out from tin mining, blocked the light, and settled on the corals’ surface. Consequently, many corals were buried and the live corals decreased. It is obviously necessary to reduce and control the tin mining.
DIVERSITY OF STONY CORALS IN BANGGAI WATER Siringoringo, Rikoh Manogar; Hadi, Tri Aryono
Marine Research in Indonesia Vol 38 No 1 (2013)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1133.842 KB) | DOI: 10.14203/mri.v38i1.52

Abstract

Banggai waters, located in Central Sulawesi Province, is part of the worldâ??s coral triangle area which is wellâ??known to have the highest diversity on stony corals (Scleractinia). A research on stony corals has been carried out at 9 study sites between Juneâ??July 2011, practicing line transect methods and free collection in order to determine the recent condition and diversity of the given coral group. The average of live corals coverage was recorded at 46%(ranging between 24â??77%), and categorized as fair condition. The number of coral species found was 194, distributed in 54 genera. The Banggai waters condition was considered good and potential to sustain the coralsâ??growth. Even though so, in several particular areas, there were still threats on coral reefs.
THE CONDITION OF CORAL REEFS IN WEST BANGKA WATER Siringoringo, Rikoh Manogar; Hadi, Tri Aryono
Marine Research in Indonesia Vol 39 No 2 (2014)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1230.245 KB) | DOI: 10.14203/mri.v39i2.86

Abstract

Bangka Island is well known as the worldâ??s largest tin producer. The inland and offshore tin mining has profound effects on the coastal environment, resulting in the high sedimentation in the water. Many corals suffered physiological damage due to low light intensity. The distribution of stony corals and the status of coral reefs was surveyed at 6 sites in West Bangka waters in October 2012. A total of 72 species of corals belonging to 33 genera and 12 families were found, and 4 species were distributed at all research sites. The live coral coverage was 36% on average and was categorized as being in fair condition. The coverage was 0% at Kamboja Island where the corals were the most affected by tin mining. The sediment flowed out from tin mining, blocked the light, and settled on the coralsâ?? surface. Consequently, many corals were buried and the live corals decreased. It is obviously necessary to reduce and control the tin mining.
Pemetaan Kerusakan Terumbu Karang Akibat Kandasnya Kapal Tongkang di Taman Nasional Karimunjawa, Jawa Tengah Munasik, Munasik; Helmi, Muhammad; Siringoringo, Rikoh Manogar; Suharsono, Suharsono
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1281.398 KB) | DOI: 10.14710/jmr.v9i3.28239

Abstract

ABSTRAK: Pemetaan kerusakan terumbu karang akibat kandasnya kapal tongkang di P. Tengah dan di P. Cilik, Taman Nasional Karimunjawa, Jawa Tengah telah dilakukan 2-3 bulan setelah kejadian dengan cara mengukur luas area kerusakan dan menilai kondisi terumbu karang. Pengukuran area kerusakan menggunakan metode penginderaan jarak jauh berbasis Drone (UAV Drone/pesawat tanpa awak) dan penilaian kondisi ekosistem terumbu karang dengan menggunakan metode Underwater Photo Transect (UPT). Tujuan penelitian ini adalah untuk mengetahui kondisi dan kerusakan terumbu karang akibat kandasnya kapal tongkang di P. Cilik dan P. Tengah, Taman Nasional Karimunjawa. Hasil menunjukkan telah terjadi kerusakan fisik di lereng atas terumbu karang pada kedua pulau tersebut berupa karang mati dan pecahan karang. Luas kerusakan terumbu karang di P. Tengah (1.420,32 m2) lima kali lebih luas daripada luas kerusakan terumbu karang di P. Cilik (267,22 m2). Luasnya kerusakan terumbu karang di P. Tengah kemungkinan akibat perbedaan jumlah kapal tongkang yang kandas, waktu kandas dan dominasi karang yang mudah patah (fragile). Komunitas karang keras yang dominan di lereng terumbu P. Tengah adalah karang bercabang (CB), Acropora bercabang (ACB) dan karang lembaran/foliose (CF). Luasan kerusakan dan kondisi terumbu karang akibat kandasnya kapal tongkang ini dapat digunakan untuk pengelola kawasan konservasi dalam perencanaan perlindungan dan restorasi ekosistem terumbu karang di Taman Nasional Karimunjawa  ABSTRACT: Mapping damage to coral reefs due to the barges grounding in Cilik Island (P. Cilik) and Tengah Island (P. Tengah), Karimunjawa National Park, Central Java was carried out 2-3 months after the event by measuring the extent of damage and coral reefs assessment. Damage area measurement using Drone (UAV Drone) based remote sensing and reef ecosystem assessment using the Underwater Photo Transect (UPT) method. The aim of this study was to determine the condition and damage of coral reefs due to the wrecking of barges in Cilik and Central P., Karimunjawa National Park The results show that physical damage has occurred on the upper slopes of coral reefs on both islands is dead coral and coral fragments. Damage to extensive coral reefs in P. Tengah (1,420.32 m2) is five times larger than extensive damage to coral reefs in P. Cilik (267.22 m2). Damage to coral reefs in P. Tengah may cause differences in the number of barges that ran aground, time of aground and the dominance of fragile corals the upper slopes of the coral reefs. The dominant hard coral communities on the upper slopes of P. Tengah reefs are generally composed the fragile corals, such as branching corals (CB), branching Acropora (ACB) and foliose corals (CF). Damage to coral reefs and the condition of the ecosystem caused by the aground of the barges can be used to manage conservation areas in the planning of conservation and restoration of coral reef ecosystems in the Karimunjawa National Park in near future.
Identification of Hard Coral Disease (Scleractina) in Seribu Islands Riyanti; Khusna, Faridatul; Siringoringo, Rikoh Manogar; Abrar , Muhammad; Giyanto; Sari, Ni Wayan Purnama
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i3.72665

Abstract

Graphical Abstract   Highlight Research Coral colonies affected by coral disease are identified and counted. White syndrome is a type of coral disease that is dominattly found. Coral cover in the Kepulauan Seribu is in moderate condition. A weak correlation between the prevalence of coral disease and live cover in the Kepulauan Seribu     Abstract Kepulauan Seribu is designated as a marine conservation area in Kepulauan Seribu National Park and is one of high tourism development areas on the north side of Jakarta, the capital city of Indonesia. Anthropogenic sources from these nearby areas has reduced the health condition of coral reefs and increased the prevalence of coral diseases in the study area. This study aimed to determine the genus of coral infected by disease, the type of disease, and the relationship between the prevalence of disease and live cover in Kepulauan Seribu. Data was collected using the survey method. Coral cover is assessed using Underwater Photo Transect (UPT) and disease is assessed using Belt Transect methods, respectively. The result showed that 14 genera of coral species were infected and dominated by Porites, Montipora, and Acropora. Furthermore, there were 5 types of diseases, dominated by White Syndrome (WS), Atramentous Necrosis (AtN) and Ulcerative White Spots (S). The correlation analysis results showed a very low relationship between disease prevalence and live coral cover (r = 0.10). This research can be used as input or reference for more sustainable coral reef management, by improving an integrated coastal education system for the younger generation and developing more sustainable tourism activities in the future in Kepulauan Seribu.
Co-Authors Abrar , Muhammad Giyanto Khusna, Faridatul Kunto Wibowo Muhammad Abrar Muhammad Helmi Munasik Munasik Riyanti Sari, Ni Wayan Purnama Suharsono Suharsono Tri Aryono Hadi