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  • 1
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    Status Trofik Ikan Karang dan Hubungan Ikan Herbivora dengan Rekrutmen Karang di Perairan Pulau Pari, Teluk Jakarta
    National Research and Innovation Agency ; 2016
    In:  OLDI (Oseanologi dan Limnologi di Indonesia) Vol. 1, No. 2 ( 2016-09-30), p. 73-
    Details
    In: OLDI (Oseanologi dan Limnologi di Indonesia), National Research and Innovation Agency, Vol. 1, No. 2 ( 2016-09-30), p. 73-
    Abstract: 〈 strong 〉 Trophic Status of Reef Fishes and Correlation between Herbivorous Fishes and Coral Recruitment in Pari Island Waters, Jakarta Bay. 〈 /strong 〉 Species diversity and abundance of reef fishes is one of the indicators about the health of the reef ecosystem. Based on its trophic status, herbivorous fishes become an important group to control algae populations which are spatially coral competitors. This study aimed to determine the condition of reef fish species diversity in Pari Island waters and the relation between herbivorous fishes and coral recruitment. The study was conducted at five stations of coral reef ecosystems in Pari Island and surrounding areas in March 2014. Reef fish data collection was done by underwater observation using belt transects along 70 m length and 5 m width. Coral recruitment was recorded using transects of 1 x 1 m2, repeated 9 times. As many as 121 species of reef fishes belonging to 25 genera and 20 families were recorded. Pomacentridae, Labridae, and Chaetodontidae were three families with the highest species diversity. The abundance of herbivorous fishes varied among stations, from 4 to 52 individuals in each transect. Coral recruitment in Pari Island waters were low, i.e. 3.22 colonies/m2. However, the regression results indicated that the abundance of herbivorous fishes was positively correlated with the density of young corals. Herbivorous fish abundance and density of young corals in Pari Island waters have yet to show the maximum potential for reef recovery after damage. The low coral recruitment in the ecosystem of Pari Island waters was also caused by sedimentation, temperature, flow patterns, and salinity. 〈 br / 〉 〈 br / 〉
    Type of Medium: Online Resource
    ISSN: 2477-328X
    URL: Article
    DOI: 10.14203/oldi.2016.v1i2.85
    Language: Unknown
    Publisher: National Research and Innovation Agency
    Publication Date: 2016
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  • 2
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    Marine Biodiversity of Coral Reef Fishes in Pieh Marine Recreational Park After Bleaching and Acanthaster Outbreaks
    Universitas Airlangga ; 2022
    In:  Jurnal Ilmiah Perikanan dan Kelautan Vol. 14, No. 1 ( 2022-02-27), p. 48-70
    Details
    In: Jurnal Ilmiah Perikanan dan Kelautan, Universitas Airlangga, Vol. 14, No. 1 ( 2022-02-27), p. 48-70
    Abstract: Highlight ResearchAfter bleaching disturbance and Acanthaster planci outbreaks, herbivore fishes species were dominated in MRP PiehThis explains the marine recreational activities in utilization zone MRP Pieh have no impact on reducing fish biomassAfter disturbance in MRP Pieh shows the coral reef fishes still endurance on bleaching event, and Acanthaster planci outbreak after disturbance in MRP Pieh shows the coral reef fishes still endurance on bleaching event and Acanthaster planci outbreak. However, the composition of corallivorous has decreased but has been an increase in herbivorous and carnivorous fish populationsAbstractPieh MRP encountered non-anthropogenic phenomena, precisely massive coral bleaching in 2016, 2017, and massive predators from Acanthaster planci outbreaks in 2018. This study aimed to understand the pattern of coral reef diversity in the core zone and utilization in the MRP area and compare it to non-MRPS locations that accept the same non-anthropogenic pressure conditions. Coral fish sampling using a UVC is categorized into three zones: the core zone, the utilization zone, and outside the MRP area. 8 Families of coral reef fishes were counted based on categories of level function in ecologies and economy. Taxonomic distinctiveness estimates were calculated mathematically for each sample, including species richness and taxonomic diversity were compared among zonation area. Pearson’s Coefficient Correlation Matrix was used to measure the correlation relationship between zonation areas. There are 91 species of fish and 3002 individuals found. The richest family in the MRP Core Zone and MRP Utility Zone was Acanthuridae with 20 species and non-MRP has a lower species richness and abundance of fish communities. The dominant species in Pieh MRP was Ctenochaetus striatus with average abundant per site (21.3 ± 7.62, n = 3). Acanthuridae represents 55.98% of the total biomass in MRP-Core Zone, 63.13% in MRP-Utility Zone, and 41.55% in Non-MRP Area. This study showed the number of species and populations from corallivores fishes have decreased but has been an increase in herbivorous and carnivore diversity. The diversity indices (H’) and ENS also shows no differ significantly between zonation.
    Type of Medium: Online Resource
    ISSN: 2528-0759 , 2085-5842
    URL: Article
    DOI: 10.20473/jipk.v14i1.30133
    Language: Unknown
    Publisher: Universitas Airlangga
    Publication Date: 2022
    detail.hit.zdb_id: 2980856-X
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  • 3
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    Wave Energy Potential for Development of Renewable Energy in Riau Archipelago Province
    Universitas Jenderal Soedirman ; 2020
    In:  Omni-Akuatika Vol. 16, No. 3 ( 2020-12-30), p. 61-
    Details
    In: Omni-Akuatika, Universitas Jenderal Soedirman, Vol. 16, No. 3 ( 2020-12-30), p. 61-
    Abstract: Energy and electricity demand in Riau Islands is increasing rapidly due to the fast-growing population, urbanization, industrial development, and economic growth. The limitations of energy and electricity in the Riau Islands caused frequent blackouts. To support the high demand for energy and electricity in the Riau Islands, renewable energy is the most suitable alternative energy solution. Renewable energy is not only playing a key role in providing energy but also providing long-term clean and sustainable energy. We investigated the wave energy potential in the Riau Islands Sea in four different consecutive monsoons (North monsoon, East monsoon, South Monsoon and West Monsoon) using ECMWF data during January 2018 to December 2018 with 0.125o x 0.125o and 6 hourly spatial and temporal resolutions. We extracted bathymetry data from NOAA’s database ETOPO1 and forecasting wave characteristics use the SPM (Shore Protection Manual) method. The potential wave energy simulation from significant wave height (Hs) and energy period (Te) was shown in spatial distribution based on different monsoon. Our studies found that the potential wave energy was higher in north monsoon with maximum spatial of wave power density 3.240 – 3.640 kW.m-1. The east monsoon tended to be lower potential wave energy with dominance of wave power density at 0 – 0.127 kW.m-1. Keywords: wave power density, potential wave energy, ECWFM, monsoon
    Type of Medium: Online Resource
    ISSN: 2476-9347 , 1858-3873
    URL: Article
    DOI: 10.20884/1.oa.2020.16.3.857
    Language: Unknown
    Publisher: Universitas Jenderal Soedirman
    Publication Date: 2020
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  • 4
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    Status of Coral Reefs in the Water of Spermonde, Makassar, South Sulawesi
    EDP Sciences ; 2021
    In:  E3S Web of Conferences Vol. 324 ( 2021), p. 03007-
    Details
    In: E3S Web of Conferences, EDP Sciences, Vol. 324 ( 2021), p. 03007-
    Abstract: Observations of the condition of coral reefs have been carried out in Spermonde waters from 2015 to 2018. The method used in this observation uses Underwater Photo Transect (UPT), and the data obtained is analyzed using CPCe (Coral Point Count with Excel Extensions) software. The results show that the percentage of coral cover has increased from year to year. The percentage of live coral cover in 2015 was 19.64%, 23.60 in 2016, 23.72% in 2017, and 27.83% in 2018. The increase in live coral cover from year to year is thought to occur due to the availability of nutrients. or increasing public awareness, considering this location is one of the most famous tourist attractions in Makassar. Coral reef health index values can be used to classify coral reef health. Through the analysis of the coral reef health index, an index value of 4 was obtained, which means that the condition of the coral reefs is in the “moderate” category.
    Type of Medium: Online Resource
    ISSN: 2267-1242
    URL: Article
    DOI: 10.1051/e3sconf/202132403007
    Language: English
    Publisher: EDP Sciences
    Publication Date: 2021
    detail.hit.zdb_id: 2755680-3
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  • 5
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    Potential of Ornamental Stony Corals in Kendari Waters, Southeast Sulawesi
    EDP Sciences ; 2021
    In:  E3S Web of Conferences Vol. 324 ( 2021), p. 03005-
    Details
    In: E3S Web of Conferences, EDP Sciences, Vol. 324 ( 2021), p. 03005-
    Abstract: The utilization of ornamental corals in Indonesia is quite high because Indonesia is the biggest coral exporting country in the world. The high level of ornamental coral uptake in the wild so far has been big attention to the government as the contribution at reducing coral population, worsen the status of coral that is already in 35% poor condition. The research to determine the status of wild ornamental corals in the waters of Kendari carried out at nine locations. It aimed at determining the existence of ornamental corals in nature along with habitat conditions through the composition and diversity of ornamental coral parameters. The results showed the potential use of ornamental corals grouped by genera, namely as many as two genera ( Porites and Fungia ) included in the common group, as many as eight genera in uncommon, 18 genera in rare, and 31 genera in very rare. The location of habitat has live coral cover from 8.67% - 55.17% including very poor to the good condition because some locations found high rubble and sand. Based on calculations, corals that can be utilized are grouped in the common category (genera Fungia and Porites), while the genera Acropora , Montipora , Pavona , Pectinia , Euphyllia , Favia , Galaxea , Seriatopora belong to the uncommon group, which means limited use. Rare groups are very limited in their use and very rare are prohibited from being used.
    Type of Medium: Online Resource
    ISSN: 2267-1242
    URL: Article
    DOI: 10.1051/e3sconf/202132403005
    Language: English
    Publisher: EDP Sciences
    Publication Date: 2021
    detail.hit.zdb_id: 2755680-3
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  • 6
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    Shallow water sponges along the south coast of Java, Indonesia
    UNS Solo ; 2018
    In:  Biodiversitas Journal of Biological Diversity Vol. 19, No. 2 ( 2018-03-01), p. 485-493
    Details
    In: Biodiversitas Journal of Biological Diversity, UNS Solo, Vol. 19, No. 2 ( 2018-03-01), p. 485-493
    Abstract: Hadi TA, Hafizt M, Hadiyanto, Budiyanto A, Siringoringo RM. 2018. Shallow water sponges along the south coast of Java, Indonesia. Biodiversitas 19: 535-543. Sponges are the most diverse benthic filter feeders, occupying many different types of marine habitat. The south coast of Java is one such marine habitat, very exposed to the open sea. This study investigated the sponge diversity as well as their morphological characters across the south coast of Java. The observations were carried out from 2011 to 2016 in four different locations, including Pamang Peuk, Gunungkidul, Prigi Bay and Bayuwangi. The study found 96 sponge species, from 15 orders, and described them in terms of nine morphological characters. The most common species included Spheciospongia inconstans, Stylissa massa, Callyspongia sp. and Cinachyrella australiensis, while the most common growth forms were massive and encrusting, accounting respectively for 34.4% and 28.1% of the total number of species. There was a significant difference in the number of species found between sub-tidal and intertidal habitats; subtidal sponges were approximately 50% more diverse than intertidal sponges. Apart from the habitat types, the number of sponges varied in relation to the longitude; east Java had more sponge species with more variations in morphology compared to central and west Java. Encrusting and globular growth forms were the most common characteristics of intertidal sponges in west and central Java, while other growth forms comprised the diverse characteristics of the subtidal sponges in the east Java. This baseline information is essential for management of marine biodiversity hotspots in taking decisions for marine life conservation, because the global trajectory of marine habitat degradation is predicted to rise.
    Type of Medium: Online Resource
    ISSN: 2085-4722 , 1412-033X
    URL: Article
    DOI: 10.13057/biodiv/d190223
    Language: Unknown
    Publisher: UNS Solo
    Publication Date: 2018
    detail.hit.zdb_id: 2660049-3
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  • 7
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    The Pattern of Herbivorous Fish Assemblages in The In Western and Eastern Outermost Island Indonesia
    Universitas Jenderal Soedirman ; 2020
    In:  Omni-Akuatika Vol. 16, No. 2 ( 2020-12-31), p. 116-
    Details
    In: Omni-Akuatika, Universitas Jenderal Soedirman, Vol. 16, No. 2 ( 2020-12-31), p. 116-
    Abstract: The herbivorous fishes have been considered as a critical functional group and have capability maintaining coral reef resilience and avoiding coral-algal phase-shifts. The present condition shown, almost in tropical reef location, alga has dominated coral, even in the small outer island. The requirement to conduct comprehensive basic research in studying the patterns and composition of herbivorous fish, especially on the small outer islands. Twelve coral reef sites in eastern Indonesia (Liki Islands) and western Indonesia (Natuna Island) used as a research location for comparing the structure patterns of herbivorous fish communities (diversity, density, and body size) using the Underwater Visual Census (UVC) method. There was different pattern of herbivorous fishes families in Liki Island and Natuna Islands, where Acanthuridae is dominant in eastern Indonesia (Liki Islands), including Ctenochaetus striatus (41,00 ± 11,72 se) individuals/350m2, A. maculiceps (23,33 ± 13,61 se) individuals/350m2, Naso hexacanthus (18,67 ± 6,34 se) individuals/350m2 while Scaridae is dominant in western Indonesia (Natuna island), including Scarus rivulatus (31,67 ± 10,61 se) individuals/350m2, Chlorurus sordidus (30,00 ± 8,52 se) individuals/350m2 and Scarus quoyi (19,00 ± 9,73 se) individuals/350m2. Based on herbivore fishes composition Liki Island has a higher density and biomass compared to Natuna Island.Keywords: herbivore, fish, coral, small outer island, Indonesia
    Type of Medium: Online Resource
    ISSN: 2476-9347 , 1858-3873
    URL: Article
    DOI: 10.20884/1.oa.2020.16.2.805
    Language: Unknown
    Publisher: Universitas Jenderal Soedirman
    Publication Date: 2020
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  • 8
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    Pemetaan Kerusakan Terumbu Karang Akibat Kandasnya Kapal Tongkang di Taman Nasional Karimunjawa, Jawa Tengah
    Institute of Research and Community Services Diponegoro University (LPPM UNDIP) ; 2020
    In:  Journal of Marine Research Vol. 9, No. 3 ( 2020-07-16), p. 343-354
    Details
    In: Journal of Marine Research, Institute of Research and Community Services Diponegoro University (LPPM UNDIP), Vol. 9, No. 3 ( 2020-07-16), p. 343-354
    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.
    Type of Medium: Online Resource
    ISSN: 2407-7690
    URL: Article
    DOI: 10.14710/jmr.v9i3.28239
    Language: id
    Publisher: Institute of Research and Community Services Diponegoro University (LPPM UNDIP)
    Publication Date: 2020
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  • 9
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    THE CONDITION AND DISTRIBUTION OF STONY CORALS (Scleractinia corals) IN BANGKA WATER
    Institut Pertanian Bogor ; 2013
    In:  Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5, No. 2 ( 2013-12-31)
    Details
    In: Jurnal Ilmu dan Teknologi Kelautan Tropis, Institut Pertanian Bogor, Vol. 5, No. 2 ( 2013-12-31)
    Abstract: Bangka water is well known as the best tin producer in which there are many off-shore tin-mining activities conducted by both local people and tin companies. Such condition apparently brings negative impacts to marine life. Stony corals are considered as the major component of coral reef ecosystems whose condition is influenced by environmental condition. The aim of this study is to observe the general condition of coral reefs and the distribution of stony corals in Bangka Water. The study was carried out between September and November 2010 by taking 10 stations. The method used was LIT as long as 70 meters installed parallel to the coast line. The result indicates that generally the condition of coral reef was categorized as fair condition, the coral cover averaging at 47, 82 %. There were 89 species of stony corals found, divided into 13 genera. The most dominant species was Porites lutea , particularly at Station 6 by 33,3%. The prolonged turbidity mainly caused by tin-mining activities is thought to lead the coral reefs to critical condition particularly in some areas. Keywords: stony corals, coral cover, distribution, Bangka Water.
    Type of Medium: Online Resource
    ISSN: 2620-309X , 2087-9423
    URL: Issue
    URL: Article
    DOI: 10.29244/jitkt.v5i2
    DOI: 10.29244/jitkt.v5i2.7557
    Language: Unknown
    Publisher: Institut Pertanian Bogor
    Publication Date: 2013
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  • 10
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    Distribution and Community Structure of Coral Reefs In The West Coast Of Sumatra Indonesia
    Institute of Research and Community Services Diponegoro University (LPPM UNDIP) ; 2019
    In:  ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol. 24, No. 1 ( 2019-02-28), p. 51-
    Details
    In: ILMU KELAUTAN: Indonesian Journal of Marine Sciences, Institute of Research and Community Services Diponegoro University (LPPM UNDIP), Vol. 24, No. 1 ( 2019-02-28), p. 51-
    Abstract: This paper assesses the distribution and community structure of coral species in six locations along the west coast of Sumatra, namely Mentawai, Bengkulu, Nias, Padang Pariaman, Simeulue, and Central Tapanuli. Data collected using Line Intercept Transect (LIT) method obtained from 55 sites at six locations. The ordination analysis by using PRIMER 7 software indicates the corals do not distributed evenly. In this case, almost all of the corals distributed mainly in Central Tapanuli and followed by Bengkulu, making it the most diverse corals location in the west coast. Mentawai and Padang Pariaman were less diverse and relatively similar as clustered together, but Padang Pariaman reefs had more Montipora and Pocillopora while Mentawai reefs is mainly featured by Pavona and Psammocora. Although Nias reefs clustered into two different clusters, the main reef features were Porites and Pavona. Simeulue reefs appeared characterized by Porites and Psammocora.  Porites known as a very common genus of coral and are found in the widest area of the world's coral reefs. The within-site species richness determined by using species accumulation curve. K-dominance curve showed that Bengkulu and Mentawai seemed to have the lowest cumulative abundance but then crossed over Central Tapanuli at the third most abundance species. There were 52 genera found from six locations, eight of them distributed in all locations. Approximately 90% of which were found in Central Tapanuli. There were no differences between live coral coverage within locations, yet Caswell’s neutral model showed that Mentawai and Bengkulu had more coral species than other locations, indicating that there were likely were less stress environmental conditions occurring in these two locations.
    Type of Medium: Online Resource
    ISSN: 2406-7598 , 0853-7291
    URL: Article
    DOI: 10.14710/ik.ijms.24.1.51-60
    Language: Unknown
    Publisher: Institute of Research and Community Services Diponegoro University (LPPM UNDIP)
    Publication Date: 2019
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