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All Journal HAYATI Journal of Biosciences Jurnal Teknologi Perikanan dan Kelautan Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Journal of Marine and Aquatic Sciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Journal of Indonesian Coral Reefs Jurnal Kelautan Tropis Aceh Journal of Animal Science JURNAL ENGGANO Jurnal Sumberdaya Akuatik Indopasifik JFMR (Journal of Fisheries and Marine Research) Omni-Akuatika Jurnal Resolusi Konflik, CSR dan Pemberdayaan (Jurnal CARE) Jurnal Perikanan Universitas Gadjah Mada Jurnal Ilmu Kelautan Kepulauan Jurnal Kebijakan Perikanan Indonesia Jurnal Laot Ilmu Kelautan International Journal of Marine Engineering Innovation and Research Jurnal Risalah Kebijakan Pertanian dan Lingkungan Hydrogen: Jurnal Kependidikan Kimia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Policy Brief Pertanian, Kelautan, dan Biosains Tropika Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine E-Amal: Jurnal Pengabdian Kepada Masyarakat
Beginer Subhan
Departemen Ilmu Dan Teknologi Kelautan, Fakultas Perikanan Dan Ilmu Kelautan Institut Pertanian Bogor (IPB), Bogor 16680
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Perhitungan Cepat Kelimpahan Acanthaster planci di Pulau Sombori, Morowali, Sulawesi Tengah Zamani, Nevyati P.; Subhan, Beginer; Rachma ati, Rita; Jansit, Afifah F.
Jurnal Sumberdaya Akuatik Indopasifik Vol 8 No 1 (2024): Februari
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2024.Vol.8.No.1.353

Abstract

Acanthaster planci is one of the most potential causes of coral reef damage in Indonesia. The presence of A. planci in Indonesia has been reported with a large population and preys on corals with large numbers. This research as conducted in order to provide information quickly related to the category of A. planci hems in the Sombori tribe. The monitoring method used is the time s imming method hich is carried out for 2x10 minutes. Categorization of outbreak determination using threshold approach developed in the ORANET (Oceania Regional Acanthaster Network) program. Monitoring the abundance of A. planci as carried out in seven locations with 10 observation points, namely Dongkalan Kecil Island with 123 individuals, Dongkalan Besar Island with 5 individuals, Mbokita Island with 60 individuals, Kayangan Island with 7 individuals, Red Sand Beach with 5 individuals, Air Kiri Beach with 6 individuals, and Goa Alo Beach with 6 individuals. The high number of A. planci individuals is only found on 2 islands, namely Dongkalan Kecil Island and Mbokita Island. The number of A. planci on these t o islands is included in the category of possible outbreaks and is included in the category of threatening coral reef ecosystems. The condition of coral reefs on Dongkalan Island is small dominated by dead corals thought to be due to predation of A. planci. hile on Mbokita Island, the condition of coral reefs is not dominated by dead corals but there are many remnants of predation on corals. 
Ekologi dan Dimensi Pengelolaan Keberlanjutan Mangrove (Studi Kasus Lokasi Ekowisata Guraping, Kota Tidore Kepulauan, Maluku Utara) Paembonan, Rustam Effendi; Akbar, Nebuchadnezzar; Ibrahim, Abjan; Tahir, Irmalita; Baksir, Abdurrachman; Marus, Ikbal; Najamuddin, Najamuddin; Ismail, Firdaut; Wibowo, Eko S; Siolimbona, Abdul Ajiz; Harahap, Zulhan Arifin; Mutmainnah, Mutmainnah; Angkotasan, Abdul Motalib; Zamani, Neviaty P; Arafat, Dondy; Subhan, Beginer; Natih, Nyoman MN; Rahman, Rahman; Rahimah, Insaniah; Harahap, Zulham Apandy
Jurnal Sumberdaya Akuatik Indopasifik Vol 8 No 4 (2024): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2024.Vol.8.No.4.412

Abstract

The mangrove ecosystem is a potential coastal and marine area that has a very important resource function. The mangrove ecosystem must be managed sustainably so that it can provide optimal benefits, especially the mangrove ecosystem in Guraping Village which has been designated as an ecotourism area. The aim of this research is to analyze the ecological condition of the mangrove ecosystem and analyze the dimensions of sustainable management of the mangrove ecosystem in Guraping Village. The method used in this research line transect method with a 10x10 meter quadrant to determine ecological conditions. Interviews were conducted with key respondents from stakeholders and the dimensions of sustainable management were analyzed using Rapfish. Measurement of environmental parameters directly on site. The results obtained from this research can determine the ecological condition of mangroves at the research location which still have good status based on the number of species, species density, species cover, diversity index, mangrove canopy cover data. The calculation of the results of the assessment of the dimensions of mangrove sustainability management, which consists of ecological dimensions, economic dimensions, socio-cultural dimensions, legal, institutional and policy dimensions and technological and infrastructure dimensions, is classified as a less accountable level category.
Antioxidant of Ethanol Extract and Toxicity of Fractions from Aspergillus unguis a Marine Sponge Symbiont of Aaptos suberitoides Masyerli, Scify Bilqis Nawafi; Efdi, Mai; Bashari, Muhammad Hasan; Untung Kurnia Agung, Mochamad; Subhan, Beginer; Efahmi, Efahmi; Andriani, Yosie; Syafrizayanti, Syafrizayanti
Hydrogen: Jurnal Kependidikan Kimia Vol. 13 No. 1 (2025): February 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v13i1.14645

Abstract

The marine sponge Aaptos suberitoides has been shown to have anticancer properties, with clear evidence of its capacity to suppress the growth of cancer cells. However, the pharmaceutical exploration of chemicals from marine organisms causes significant environmental concerns. Aspergillus unguis, a fungal symbiont of the marine sponge A. suberitoides, has been isolated for its potential in sustainable natural products resources. This study assesses the antioxidant activity of ethanol extract and the toxicity of four levels fractions from ethanol extracts of A. unguis mycelium and these results were reported for the first time in this study. The antioxidant of ethanol extract was determined using the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method. The fractions were examined for toxicity using the Brine Shrimp Lethality Test (BSLT). The ethanol extract of A. unguis shows very strong antioxidant bioactivity (IC50 = 42.84 mg/L). The LC50 values for hexane, chloroform, ethyl acetate, and butanol fractions were determined to be 74.11 µg/mL, 93.84 µg/mL, 59.37 µg/mL, and 142.79 µg/mL, respectively. It indicates significant toxicity. These preliminary results are important knowledge for further research into the bioactivity potential of the metabolites as candidate anticancer compounds, aligning with marine pharmaceutical drug development.
Potensi aktivitas antioksidan ekstrak spons laut Stylissa carteri: Potential antioxidant activity of sea sponge Stylissa carteri extract Adewal, Murad Alvian K; Abdullah, Asadatun; Zamani, Neviaty Putri; Arafat, Dondy; Ayu, Inna Puspa; Subhan, Beginer
Jurnal Pengolahan Hasil Perikanan Indonesia Vol. 28 No. 3 (2025): Jurnal Pengolahan Hasil Perikanan Indonesia 28(3)
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17844/jphpi.v28i3.60270

Abstract

The sea sponge Stylissa carteri plays an important role because it is one of the constituent biota of coastal and marine ecosystems, especially in coral reef ecosystems. The increasing utilization of bioactive compounds in sea sponges is feared to significantly reduce the population of sea sponges. The prevention effort involves cultivating sea sponges for sustainable utilization. This study aims to determine the antioxidant activity of transplanted Stylissa carteri sponges and those that live naturally in nature. This study was conducted in Pramuka Island using the sponge explant combination method. The three types of transplants were number one (SO), number two (S. carteri and Aaptos suberitoides), and number three (S. carteri, A. suberitoides, and Acropora hard coral). Antioxidant activity was tested with three repetitions on three transplanted and naturally occurring S. carteri sponges (SA) using the DPPH (1,1-Diphenyl-2-Picrylhydrazyl) method. The results indicated that the four sample sources contained strong antioxidant activity, namely SO had an IC50 value of 86.22±23.6 μg/mL, SAP 86.58±30.7 μg/mL, SAC 86.10±23.4 μg/mL, and natural living SA 54.27±16.9 μg/mL. The transplanted S. carteri sea sponge has strong antioxidant activity and can be an alternative solution in terms of raw material availability for the development of potential pharmaceutical products.
POLA KEANEKARAGAMAN DAN DISTRIBUSI SPESIES IKAN TERUMBU MENGGUNAKAN ENVIRONMENTAL DNA (eDNA) METABARCODING PADA JARAK LONGITUDINAL DARI TELUK JAKARTA Sani, Lalu M Iqbal; Benyamin, Azhari; Husna, Alief K; Arafat, Dondy; Subhan, Beginer; Sunuddin, Adriani; Cakasana, Nadya; Lestari, Dea Fauzia; Madduppa, Dr. Hawis
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 13 No. 3 (2021): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v13i3.37971

Abstract

Keberadaan ikan terumbu tentunya erat kaitannya dengan keberadaan terumbu karang karena ekosistem tersebut merupakan habitat bagi ikan karang. Terumbu karang merupakan ekosistem yang banyak terdapat di pulau-pulau kecil di daerah tropis termasuk Kepulauan Seribu. Kepulauan Seribu adalah sekelompok 110 pulau yang terletak di lepas pantai Jakarta dan hingga 80 kilometer sebelah utara Laut Jawa. Dalam studi ini, kami meneliti distribusi spesies dan keanekaragaman spesies ikan terumbu pada dua lokasi yaitu Pulau Untung Jawa dan Pulau Harapan yang berbeda jarak di Teluk Jakarta menggunakan analisis metabarcoding DNA lingkungan (eDNA). Sebanyak 4 liter sampel air laut dikoleksi pada kedalaman 8-9 meter per lokasi lalu dilakukan analisis menggunakan primer spesifik (MiFish U) dengan marka 12s rRNA. Secara keseluruhan, kekayaan spesies yang lebih tinggi ditemukan di Pulau Harapan (52 spesies) diikuti oleh Pulau Untung Jawa (11 spesies). Indeks Shanon-Wiener juga menunjukkan bahwa Pulau Harapan memiliki keanekaragaman ikan terumbu yang lebih tinggi berdasarkan tiga tingkatan taksonomi (famili, genus, dan spesies). Hanya ada lima spesies ikan terumbu mutual yang ditemukan di dua lokasi tersebut, yakni Atherinomorus aetholepis, Auxis thazard, Cephalopholis sexmaculata, Epinephelus chlorostigma, dan Plectropomus areolatus. Hasil temuan dalam penelitian ini sejalan dengan perbedaan antropogenik dimana Pulau Untung Jawa lebih dekat dengan Teluk Jakarta dibandingkan dengan Pulau Harapan yang letaknya relatif jauh dari Teluk Jakarta.
Mengungkap Aspek Biologi dan Emergence Point Hiu Berjalan Halmahera (Hemiscyllium halmahera) di Laut Pulau Maitara Maluku Utara Indonesia Akbar, Nebuchadnezzar; Ismail, Firdaut; Siolimbona, Abdul Ajiz; Tahir, Irmalita; Paembonan, Rustam E; Subhan, Beginer; Arafat, Dondy; Baksir, Abdurrachman; Subur, Riyadi; N, Furqan; Yidoatimojo, Sudibyo; Nurjaya, I Wayan; Restu, Yunan Gilang; N Natih, Nyoman Metta; Hari, Restu Fajar; Bengen, Dietriech G.
Jurnal Kelautan Tropis Vol 28, No 3 (2025): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v28i3.28334

Abstract

The Halmahera Walking Shark (Hemiscyllium halmahera) is an endemic marine biota in the Halmahera Sea. This species has a local migration pattern and is territorial. The distribution of this species is in the intertidal area to a depth of 10-15 meters. Previous studies have shown that this species is spread across several islands in the North Maluku Islands. Maitara Island is a small island located between the North Maluku archipelago. The Halmahera Walking Shark species is also found on this island. Information on the Halmahera Walking Shark species is not fully documented. The purpose of the study is related to biological information and emergence points (emergence points) in the Maitara Island Sea. Data collection was carried out on coral reefs, seagrass and mangroves. Samples were captured and morphometric measurements, weight and sex observations were taken. The sea area where the species was found was used to obtain coordinates for the emergence point. An analysis of length-weight relationship data was carried out to see growth patterns. The study found that morphometric measurements varied among individuals, although there were general similarities. Sexes were found in pairs (Male and Female), indicating that proportions and mating were still normal in nature. The habitat of this species is found in the mangrove area, coral reefs, and seagrass, thus describing that there is an association in nature. The emergence point shows that the Halmahera Walking Shark is found along the coast of Maitara Island although the frequency of the number is different. The length-weight relationship found a negative allometric growth pattern. Information on biological aspects and emergence points is important, to be used as a reference for migration areas and habitats for the interests of species, waters, and ecosystem conservation.  Hiu Berjalan Halmahera (Hemiscyllium halmahera) merupakan biota laut endemik di laut Halmahera. Spesies ini memiliki pola migrasi lokal dan bersifat teritorial. Penyebaran spesies ini di wilayah intertidal hingga kedalaman 10-15 meter. Penelitian terdahulu menunjukan bahwa spesies ini tersebar di beberapa pulau di Kepulauan Maluku Utara. Pulau Maitara merupakan pulau kecil yang terletak diantara gugusan kepulauan Maluku Utara. Pulau ini juga ditemukan speises Hiu Berjalan Halmahera. Informasi belum terekam lengkap terkait spesies Hiu Berjalan Halmahera. Tujuan penelitian terkait informasi biologi dan emegence point (titik kemunculan) di Laut Pulau Maitara. Pengambilan data dilakukan di terumbu karang, lamun dan mangrove. Sampel ditangkap dan diambil ukuran morfometrik, berat dan pengamatan kelamin. Area laut ditemukannya spesies diambil koordinat untuk di jadikan sebagai titik kemunculan.  Analisis data hubungan panjang-berat dilakukan untuk melihat pola pertumbuhan. Hasil penelitian ditemukan ukuran morfometrik bervariasi pada setiap individu, meskipun terdapat kemiripan secara umum. Kelamin ditemukan sepasang (Jantan dan Betina), dengan demikian menunjukan proporsi dan perkawinan masih normal di alam. Habitat tertangkap spesies ini di area mangrove, terumbu karang dan lamun, sehingga mendeskripsikan terdapat asosiasi di alam. Titik kemunculan menunjukan bahwa, Hiu Berjalan Halmahera ditemukan di sepanjang pesisir laut Pulau Maitara meskipun frekuensi jumlah berbeda. Hubungan panjang berat menemukan pola pertumbuhan allometrik negatif. Informasi aspek biologi dan emergence point penting, untuk dapat dijadikan rujukan wilayah migrasi dan habitat untuk kepentingan konservasi spesies, perairan dan ekosistem.    
Pendekatan Metabarcoding eDNA untuk Mendeteksi Keanekaragaman Spons Laut: Sistematik Literatur Review dan Bibliometrik Analisis Anggi Mayulina Daulay; Beginer Subhan; Andhika Prima Prasetyo; Dietriech Geoffrey Bengen
Jurnal Kelautan Vol 18, No 3: Desember (2025)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v18i3.32404

Abstract

ABSTRAKPenelitian ini bertujuan menganalisis perkembangan, fokus tematik, dan arah riset terkait penggunaan environmental DNA (eDNA) metabarcoding untuk mendeteksi dan mengidentifikasi spons laut (Porifera). Pendekatan yang digunakan adalah systematic literature review (SLR) berbasis PRISMA dan analisis bibliometrik terhadap artikel terindeks Scopus tahun 2009–2025. Dari 116 publikasi awal, 42 artikel memenuhi kriteria inklusi dan dianalisis lebih lanjut menggunakan VOSviewer untuk mengidentifikasi tren publikasi, pola kolaborasi penulis-negara, serta struktur klaster kata kunci. Hasil menunjukkan peningkatan signifikan publikasi sejak 2017, dengan kontribusi terbesar berasal dari Britania Raya, Spanyol, dan Amerika Serikat. Analisis kata kunci menghasilkan lima klaster utama yang mencerminkan arah riset global, yaitu (1) genetika dan biodiversitas, (2) mikrobioma dan metagenomik, (3) ekologi terumbu karang, (4) invertebrata laut, serta (5) lingkungan ekstrem. Meskipun eDNA metabarcoding terbukti sensitif untuk mendeteksi komunitas spons, tantangan utama yang ditemukan mencakup keterbatasan marker gen yang belum universal serta kelengkapan basis data taksonomi yang masih rendah. Novelty penelitian ini terletak pada penggabungan SLR dan bibliometrik secara khusus pada spons laut, sehingga mampu mengungkap kesenjangan geografis, keterbatasan metodologis, serta menawarkan rekomendasi strategis berupa standardisasi protokol, penguatan basis data referensi lokal, dan perluasan kolaborasi internasional, terutama di wilayah megabiodiversitas seperti Indonesia.Kata Kunci: eDNA, metabarcoding, Porifera, bibliometric, keanekaragaman hayati.ABSTRACTThis study analyzes the development, thematic focus, and research direction of environmental DNA (eDNA) metabarcoding applied to the detection and identification of marine sponges (Porifera). A systematic literature review (SLR) following PRISMA and a bibliometric analysis of Scopus-indexed publications from 2009–2025 were conducted. From an initial 116 records, 42 articles met the inclusion criteria and were analyzed using VOSviewer to identify publication trends, author–country collaborations, and keyword cluster structures. Results show a substantial increase in publications since 2017, with major contributions from the United Kingdom, Spain, and the United States. Keyword analysis revealed five major thematic clusters: (1) genetics and biodiversity, (2) microbiome and metagenomics, (3) coral reef ecology, (4) marine invertebrates, and (5) extreme environments. Although eDNA metabarcoding demonstrates high sensitivity for sponge detection, key challenges include non-universal genetic markers and incomplete taxonomic reference databases. The novelty of this study lies in integrating SLR and bibliometric approaches specifically for marine sponges, allowing the identification of geographic gaps, methodological limitations, and providing strategic recommendations for protocol standardization, the development of local reference databases, and enhanced international collaboration, particularly in megabiodiverse regions such as Indonesia.Keywords: eDNA, metabarcoding, Porifera, bibliometric analysis, biodiversity.
PENDEKATAN SPASIOTEMPORAL DALAM MENILAI DINAMIKA IKAN KARANG UNTUK MENDUKUNG KEBIJAKAN KONSERVASI LAUT DI KAWASAN PULAU PIEH (2021–2024) Muslim, Ryan Adhitia; Subhan, Beginer; Bengen, Dietriech G; Adriani, Adriani; Manafi, Efi Noferya; Rahmat, Fadhlan Basiluddin; Ilham, Yuwanda; Kahar, Fauzi Abdul; Samsuardi, Samsuardi; Yennafri, Yennafri; Miswandi, Muhammad
Jurnal Kebijakan Perikanan Indonesia Vol 17, No 2 (2025): (November) 2025
Publisher : Badan Penyuluhan dan Pengembangan Sumberdaya Manusia Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jkpi.17.2.2025.151-161

Abstract

Terumbu karang merupakan ekosistem penting yang mendukung keanekaragaman hayati laut, dengan ikan karang memainkan peran kunci dalam menjaga keseimbangan ekosistem tersebut. Penelitian ini bertujuan untuk menganalisis hubungan antara kelimpahan ikan karang dan struktur komunitas terumbu karang secara spasial dan temporal di Kawasan Konservasi Pulau Pieh, Sumatera Barat. Penelitian menggunakan data primer yang didapatkan dari 16 stasiun pengamatan yang tersebar di berbagai zonasi konservasi (zona inti, pemanfaatan, dan rehabilitasi) pada kedalaman 5–10 meter, menggunakan metode Underwater Visual Census (UVC) untuk ikan karang dan Underwater Photo Transect (UPT) untuk terumbu karang. Data sekunder didapatkan dari hasil monitoring pengelola kawasan konservasi selama tahun 2021-2024 pada periode yang sama setiap tahun. Hasil menunjukkan bahwa keanekaragaman ikan karang berada pada kategori sedang (1 ≤ H’ ≤ 3), keseragaman komunitas sedang hingga tinggi (E > 0,5), dan dominansi rendah (C < 0,5), yang mengindikasikan kondisi ekosistem yang sehat. Hasil Component Analysis (CA) kelimpahan ikan karang dan tutupan karang menunjukan adanya keterkaitan antara stasiun pengamatan, tutupan karang dan kelimpahan ikan. Penurunan tutupan karang dan kelimpahan ikan pada tahun 2024 menandakan adanya pengaruh dari tekanan ekologis maupun aktivitas antropogenik sehingga pengelolaan yang optimal dan pengetahuan masyarakat perlu ditingkatkan. Hasil penelitian ini dapat menjadi dasar ilmiah dalam pengelolaan kawasan konservasi secara efektif dan berkelanjutan.Coral reefs are vital ecosystems that support marine biodiversity, with reef fishes playing a key role in maintaining the balance of these ecosystems. This study aims to analyze the spatial and temporal relationship between reef fish abundance and coral reef community structure in the Pieh Island Marine Conservation Area, West Sumatra. The research used primary data conducted at 16 observation stations across different conservation zones (core, utilization, and rehabilitation zones) at depths of 5–10 meters, using the Underwater Visual Census (UVC) method for reef fish and the Underwater Photo Transect (UPT) method for coral reefs. Secondary data was obtained from monitoring conducted by conservation area managers during the same period each year from 2021 to 2024. The results showed that reef fish diversity was in the moderate category (1 ≤ H’ ≤ 3), community evenness was stable in moderate to high (E > 0.5), and dominance was low (C < 0.5), indicating a healthy ecosystem condition. The Component Analysis (CA) of reef fish abundance and coral cover revealed a correlation between observation stations, coral cover, and fish abundance. A decline in coral cover and fish abundance in 2024 indicates the influence of ecological stress and anthropogenic activities, highlighting the need for improved management and increased community awareness. The results of this study can serve as a scientific basis for effective and sustainable marine conservation area management.
DETECTING GROUPER (EPINEPHELINAE) DIET COMPOSITION AND PREY AVAILABILITY IN RAJA AMPAT CORAL REEFS THROUGH DNA AND eDNA METABARCODING Madduppa, Hawis; Bengen, Dietriech Geoffrey; Ayu, Inna Puspa; Subhan, Beginer; Sani, Lalu M Iqbal; Prabowo, Budi
BIOTROPIA Vol. 30 No. 1 (2023): BIOTROPIA Vol. 30 No. 1 April 2023
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2023.30.1.1608

Abstract

Gaining extensive knowledge of prey sources is an essential approach for understanding trophic structure and relationships, especially in highly diverse coral reef ecosystems. Groupers are a major Asian reef fish commodity, making it important to study grouper prey and the trophic relations involved. The wide distribution of groupers across different environments could lead to distinctive predatory behaviour. Therefore, this study was conducted to investigate and compare the taxonomic classification and composition of prey in the diets of two common groupers (Epinephelus areolatus and E. malabaricus) based on DNA metabarcoding of stomach contents and potential prey detection using environmental DNA tools at sites in the coral reefs of Raja Ampat, Indonesia. DNA recovered from the water column comprised taxa from the Arthropoda, Chordata, Cnidaria and Mollusca, several of which were also found in grouper guts, with Cnidaria the most abundant class. Diversity was high for potential prey species in the environment and prey consumed by each grouper species. The high overlap in prey identified from gut contents indicates these two epinephelids have a similar feeding strategy. However, nMDS ordination showed segregation between the prey consumed by each species and potential prey available in the environment. The results indicate a low likelihood of competition between the two grouper species, related to the abundance and wide choice of potential prey in the highly biodiverse Raja Ampat coral reef ecosystem.
Membangun Indikator Keberhasilan Restorasi Terumbu Karang Subhan, Beginer; Dondy Arafat; Inna Puspa Ayu; Nebuchadnezzar Akbar
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol. 7 No. 4 (2025): Policy Brief Pertanian, Kelautan, dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0704.1442-1447

Abstract

Restorasi terumbu karang adalah serangkaian upaya ilmiah dan manajerial untuk memulihkan ekosistem terumbu karang yang rusak akibat faktor alam dan aktivitas manusia. Teknik restorasi yang digunakan termasuk transplantasi karang, pembuatan terumbu karang buatan, dan pengendalian stresor lokal seperti polusi, overfishing, dan perubahan iklim. Kegiatan restorasi di Indonesia telah dilaksanakan di lebih dari 500 titik dalam 30 tahun terakhir, melibatkan ribuan unit terumbu buatan dan jutaan fragmen karang. Namun, banyak dari kegiatan ini tidak menunjukkan keberhasilan yang ditandai dengan kegagalan.  Faktor peningkatan suhu laut, persaingan dengan alga atau spons, serta faktor manusia menjadi penyebab utama. Saat ini, Indonesia belum memiliki standarisasi untuk menilai keberhasilan restorasi terumbu karang. Oleh karena itu, penting untuk mengembangkan parameter dan indikator yang dapat digunakan untuk menilai efektivitas dan keberhasilan kegiatan restorasi, guna memastikan keberlanjutan ekosistem terumbu karang.
Co-Authors Abdul Motalib Angkotasan Abdurrachman Baksir Abdurrachman Baksir Abdurrachman Baksir Abdurrachman Baksir, Abdurrachman Abjan Ibrahim, Abjan Achmad, Muhammad Janib Adewal, Murad Alvian K Aditya Bramandito ADRIANI ADRIANI Adriani Sunuddin Afiff , Usamah Agus Ramli Ahmad Eko Suprianto Ahmad Taufik Ghozali Ahmad Taufik Ghozali Aisyah, Siti Zanuba Aji Wahyu Anggoro Alan Frendy Koropitan Ali Mashar Aliati Iswantari Alla Asmara Am Azbas Taurusman Andhika Prima Prasetyo Andrianus Sembiring Anggi Mayulina Daulay Anggraini, Nurlita Anggraini, Nurlita Putri Anwar, Muhammad Fathur Aradea Bujana Kusuma Aradea Bujana Kusuma Ardan Samman Arif Miftahul Aziz, Arif Miftahul Ario Damar Asadatun Abdullah Asep Sandra Budiman Asep Sandra Budiman, Asep Sandra Ayu Ervinia Ayu, Inna Puspa Aziz, Nasrul Bashari, Muhammad Hasan Benyamin, Azhari Bertoka Fajar S.P. Negara Borbee, Erin Budi Prabowo Citra S. U. Dewi Citra Satrya Citra Satrya Utama Dewi Dea Fauzia Lestari, Dea Fauzia Dedi Soedharma Dedi Soedharma Denny Khaerudi Dewi, Citra Satrya Utama Diah Ayuningrum, Diah Dian Pertiwi Dietrich Geoffrey Bengen Dietrich Geoffrey Bengen Dietriech G Bengen Dietriech Geoffrey Bengen Dondy Arafat Dondy Arafat Dwi Yuni Wulandari Dzulfannazhir, Fauzan E Paembonan, Rustam Efahmi, Efahmi Eko S Wibowo Eko S Wibowo Elfahmi Elfahmi, Elfahmi Elok Faiqoh Endang Sunarwati Srimariana Enny Rimita Sembiring Fadel Muhammad Fadhilah Rahmwawati Fadillah Rahmawati Fahlevi, Arief Reza Fajar Maulana . Fauzan Dzulfannazhir Fauzan Dzulfannazhir Febriantika, Putri Fenetiruma, Syamsudin Ferse, Sebastian Firdaut Ismail Firdaut Ismail Firdaut Ismail Firdaut Ismail Firsta Kusuma Yudha Gelis, Ester R. E. Genadi Algadri Hardianti, Aprilia Hari, Restu Fajar Hawis H Madduppa Herettrenggi, Rosa Hermansyah Amir, Hermansyah Husna, Alief K I Wayan Nurjaya Idham A. Nasrullah Ikbal Marus Ikbal Marus Ikbal Marus, Ikbal Ilham, Yuwanda Inna Puspa Ayu Irianda, Nadya Jeny Irmalita Tahir Irmalita Tahir Irmalita Tahir, Irmalita Irnin Agustina Dwi Astuti Islami, Nurfara Ismail, Firdaut Iswandi Wahab Iswandi Wahab Jansit, Afifah F. Jeddah Isnul Jhoni Wahyu Adi Joko Santoso Junaedy, Ahmad Kahar, Fauzi Abdul Karizma Fahlevy Khairudi, Denny Kintani, Novia Indah Kotta, Raismin Kusumarani, Dheni Lalu M. Iqbal Sani Lalu M. Iqbal Sani Lane, Christopher Luzmi Malia Izza Maestro Munru Mai Efdi Majariana Krisanti Malaihollo, Jantje Jacobus Manafi, Efi Noferya Mas Irfanto Masyerli, Scify Bilqis Nawafi Meutia Samira Ismet Minsaris, La Ode Alam Miswandi, Muhammad Mochamad Untung Kurnia Agung Mohamad Gazali Mohammad Mukhlis Kamal Muhamad Gilang Arindra Putra Muhamad Gilang Arindra Putra Muhamad Iqbal Muhammad Iqbal Muhammad Janib Achmad Muhammad Taufik Muhammad Yusuf Muhandis Shidqi Munru, Maestro Mutmainnah Mutmainnah Muttaqin, Ahmad Sabilul Mu’min Mu’min N Natih, Nyoman Metta N, Furqan Nadya Cakasana Nadya Jeny Irianda Najamuddin Najamuddin Najamuddin Najamuddin, Najamuddin Nasrul Aziz Nebuchad Nezzar Akbar Nebuchadnezzar Akbar Nebuchadnezzar Akbar Neviaty P. Zamani NEVIATY PUTRI ZAMANI Ni Kadek Dita Cahyani, Ni Kadek Dita Niken TM Pratiwi Ningtyas, Azizah Lutfia Nor Jannah, Nor Novriyandi Hanif Nur Ari Bayu Nurlisa Alias Butet Nurlita Anggraini Nurlita Putri Anggraini Nurlita Putri Anggraini Nurlita Putri Anggraini Nyoman M N Natih Nyoman Metta N Natih Paembonan, Rustam E Prakas Santoso Prakas Santoso Prakas Santoso Prakas Santoso Prehadi . Prehadi Prehadi Prehadi, Prehadi Purwanto, Budi Rachma ati, Rita Rahamadya, Aldiano Rahimah, Insaniah Rahman Rahman Rahmat Hidayat Rahmat, Fadhlan Basiluddin Raismin Kotta Ramadian Bachtiar Ramili, Yunita Rani Utari Ayuningtyas Rasidi Rasidi Rasidi, Rasidi Raunsai, Jhoni Elias Raweyai, Oktofianus Obaja Restu, Yunan Gilang Ridha Fathihatunnisa Rita Andini Rita Andini RITA ANDINI Riyadi Subur, Riyadi Rommy M. Abdullah Rotinsulu, Dordia Anindita Rustam E Paembonan Rustam E Paembonan Rustam E Paembonan Rustam E Paembonan Rustam Effendi Paembonan Rustam Effendi Paembonan, Rustam Effendi Ryan Adhitia Muslim Safika S, Safika Samira Ismet, Meutia Samsuardi Samsuardi, Samsuardi Sani, L. Mukhsin Iqbal Sani, Lalu M Iqbal Sani, Lalu M. Iqbal Sani, Lalu Mukhsin Iqbal Santoso Budi Widiarto Santoso, Prakas Satya Pratama Atmaja Sebastian C. A. Ferse Sebastian Ferse Sembiring, Enny Rimita Setiamarga, Davin H. E. Siolimbona, Abdul Ajiz SITI KHODIJAH Siti Maysaroh Siti Maysaroh Siti Maysaroh Sombo, Hendrik Sukandar Sukandar Sukandar, Mr. Syafrizayanti, Syafrizayanti Syahid Syamsul Bahri Agus, Syamsul Bahri Tumpak Sidabutar Ulandari, Rafika Wahab, Iswandi Wedi Andika Wibowo, Eko S Wibowo, Eko Setyobudi Wiwid Andriyani Lestariningsih Yahya, Rodhiyah Yennafri, Yennafri Yidoatimojo, Sudibyo Yoga Budi Bhakti yoman Metta N Natih Yosie Andriani Yuliana Fitri Syamsuni Yusli Wardiatno Zamani, Nevyati P. Zedta, Raymon Rahmanov Zulham Apandy Harahap Zulhan Arifin Harahap