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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia 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 Berkala Perikanan Terubuk BIOTROPIA - The Southeast Asian Journal of Tropical Biology AL KAUNIYAH Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Journal of Indonesian Coral Reefs Jurnal Kelautan Tropis Aceh Journal of Animal Science JURNAL ENGGANO Jurnal Sumberdaya Akuatik Indopasifik Omni-Akuatika MAJALAH ILMIAH GLOBE Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) OLDI (Oseanologi dan Limnologi di Indonesia) Jurnal Perikanan Universitas Gadjah Mada Jurnal Penelitian Perikanan Indonesia Bawal : Widya Riset Perikanan Tangkap Jurnal Ilmu Kelautan Kepulauan Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Jurnal Laot Ilmu Kelautan Jurnal Risalah Kebijakan Pertanian dan Lingkungan Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Journal of Marine Studies

Hawis H Madduppa

Departemen Ilmu Dan Teknologi Kelautan, Fakultas Perikanan Dan Ilmu Kelautan, Institut Pertanian Bogor, Kampus IPB Darmaga, Bogor 16680

Author-ID : 311367

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Social Sciences Veterinary Other

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APLIKASI ANALISA MORFOLOGI DAN DNA BARCODING PADA PENENTUAN JENIS KEPITING PORCELAIN (PISIDIA Sp.) YANG BERASAL DARI PULAU TUNDA, BANTEN Teddy Triandiza; Hawis Maddupa
Jurnal Sumberdaya Akuatik Indopasifik Vol 2 No 2 (2018): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

The phenomenon of marine cryptic species is frequently found in altered ecosystem such as dead corals habitat. Dead corals as habitat can be used by marine fauna like crustacean from family of porcellanidae. This study was aimed to identify and clarify the species of porcelain crab from Tundai sland, Banten province by applying the morphological analysis and DNA barcoding technique. The result of morphological analysis showed that decapod samples were crabs of the genus Pisidia, family of Porcellanidae with specific morphological characteristics were the ratio of carapace size is longer than tbroad, have long antennae which can be moved, serrated anterior rostrum, chelae rather flattish and unequal size of arms. While based on molecular barcode analysis by using COI, samples were identified as Anomura sp. with 94% of similarities. The difference of the result was suspected due to the lack of suitable genetic data on genbank.

Pola Sebaran dan Kelimpahan Hiu Berjalan Halmahera (Hemiscyllium halmahera) di Teluk Weda Maluku Utara, Indonesia Mu’min Mu’min; Nebuchadnezzar Akbar; Abdurrachman Baksir; Irmalita Tahir; Rommy M. Abdullah; Yunita Ramili; Firdaut Ismail; Rustam E Paembonan; Ikbal Marus; Eko S Wibowo; Hawis Madduppa; Beginer Subhan; Iswandi Wahab
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 2 (2021): Mei
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.2.128

The Halmahera walking shark is a nocturnal species that lives at the bottom of waters and is a species endemic to North Maluku. Weda Bay is one of the largest bays on the island of Halmahera and contains marine resources and high diversity. The aims research was analyze the distribution pattern and abundance of Halmahera walking shark at that location. The research was conducted in September - November 2020. The sampling in Weda Bay, is carried out in two methods, (1) catch of nets with a mesh size of 2,5 cm stretched from the mangrove ecosystem, seagrass to coral reefs with a length of ± 50 meters and a height of 1,5 meters, (2) hand sampling equipment namely the sample catch it by hand with transect area (50x50m2) or 0,25 ha using basic diving equipment (snorkeling) to a depth of 3 meters at high tide in the night. Distribution pattern data analysis used Morisita Index and abundance analysis used reef fish abundance equation. Results the research found 28 individuals, namely 17 females and 11 males. There are 2 distribution patterns of the Halmahera epaullette shark, namely Grouping and Random. The clustered distribution pattern is found at stations 1, 2 and 4, while the random distribution pattern is found at station 3. Overall the distribution pattern of the Halmahera walking shark in Weda Bay is grouped. The highest abundance of Halmahera walkingshark was at station 1, namely 17,33 ind/ha and the lowest abundance at stations 3 and 4 was 5,33 ind/ha. The highest abundance is at station 1, this is because the habitat is still very good from the mangrove, seagrass and coral reef ecosystems to find food and the growth of the Halmahera walking shark.

TINGKAT PEMANFAATAN SUMBER DAYA MADIDIHANG (Thunnus albacares) DI SAMUDRA HINDIA DENGAN PENDEKATAN ANALISIS SPAWNING POTENTIAL RATIO Raymon Rahmanov Zedta; Hawis Madduppa
Jurnal Penelitian Perikanan Indonesia Vol 27, No 1 (2021): (Maret) 2021
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.27.1.2021.33-41

Aktivitas penangkapan madidihang telah dilakukan secara terus menerus hingga saat ini karena memiliki nilai ekonomis yang tinggi. Sementara tingkat pemanfaatan sumber daya madidihang dalam beberapa tahun terakhir belum dipelajari dengan baik. Penelitian ini bertujuan untuk mengetahui tingkat pemanfaatan penangkapan madidihang di Indonesia dalam 10 tahun terakhir dan kondisi potensial daerah pemijahan. Analisis dilakukan dengan pendekatan Spawning Potential Ratio (SPR) berdasarkan data panjang cagak madidihang dari berbagai macam alat tangkap. SPR akan dijadikan sebagai titik rujukan biologi dalam memperkirakan tingkat pemanfaatan madidihang. Data panjang cagak yang dianalisis berjumlah 31.735 ekor, dengan panjang minimum 43 cmFL dan maksimum 183 cmF. Rerata panjang madidihang tersebut berkisar 103,7-143,8 cmFL dan terdistribusi secara normal. Madidihang yang tertangkap diasumsikan telah matang secara seksual atau matang gonad (SL50 > Lm). Status perikanan pada 2012, 2007, dan 2006 berdasarkan nilai SPR masuk ke dalam kategori over-exploited (SPR<20%), pada 2011 dan 2013-2018 masuk ke dalam kategori moderate (20% < SPR < 40%), sedangkan pada 2008, 2009, dan 2010 masuk ke dalam kategori under-exploited (SPR > 40%) yang bermakna bahwa pada tahun tersebut potensi pemanfaatan madidihang masih rendah dibandingkan nilai referensi biologi yang dimiliki madidihang.Yellowfin tuna fishing activity has been carried out continuously until now because it has a high economic value. Meanwhile, the level of yellowfin tuna resource utilization in recent years has not been well studied. This study aims to determine the utilization level of yellowfin tuna fishing in Indonesia and the potential conditions of spawning areas. The analysis was conducted using the Spawning Potential Ratio (SPR) approach based on the fork length data of yellowfin tuna from various fishing gears. SPR will be used as a biological reference point in estimating the exploitation rate of yellowfin tuna. The fork length data analyzed were 31,735 individuals, with a minimum length of 43 cmFL and maximum length of 183 cmFL. The mean length of yellowfin tuna ranged from 103.7-143.8 cmFL and normally distributed. Caught yellowfin tuna can be assumed to be sexually mature or gonadal maturity (SL50> Lm). Fishery status in 2012, 2007, and 2006 based on the SPR value was categorized as over-exploited (SPR <20%), in 2011 and 2013-2018 was categorized as moderate (20% <SPR <40%), while in 2008, 2009 and 2010 was categorized as under-exploited (SPR> 40%), which means that in those years, the potential utilization of yellowfin tuna is still low compared to the biological reference value of yellowfin tuna.

Penentuan Jenis Ikan Layang ( Decapterus spp) Dengan Menggunakan Metode Analisis Morfologi Dan DNA Barcoding Tyani Fitrian; Hawis Madduppa
BAWAL Widya Riset Perikanan Tangkap Vol 12, No 3 (2020): (Desember) 2020
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/bawal.12.3.2020.127-135

Ikan layang (Decapterus spp) merupakan ikan yang memiliki nilai ekonomis penting di Indoneisa. Ikan pelagis kecil ini menjadi salah satu target utama penangkapan di perairan Indonesia. Ikan layang diimaanfatkan menjadi berbagai olahan ikan yang banyak diminati oleh masyarakat Indoneisa. Tingginya laju eksploitasi ikan layang membuat ikan tersebut mengalami penurunan stok di alam, untuk dapat mengelola pegakjian stok suatu spesies di alam hal mendasar yang perlu dilakukan adalah memastikan jenis ikan tersebut. Penelitian ini bertujuan untuk memastikan suatu spesies ikan dengan mengidentifikasi secara morofologi dan teknik DNA barcoding. Hasil analisis morfologi menunjukan sampel ikan yang dianalisis memiliki kemiripan dengan genus Decapterus spp, sedangkan berdasarkan analisis DNA barcoding menunjukan hasil hingga mencapai tingkat spesies yaitu Decapterus macrosoma dengan presentasi kesamaan identifikasi hingga 97%. Kata Kunci : analisis morfologi, DNA barcoding, Decapterus spp.

IDENTIFIKASI IKAN LIDAH Cynoglossus arel (Bloch & Schneider, 1801) BERDASARKAN MORFOMETRIK DAN DNA BARCODING YANG DIPERDAGANGKAN DI TEMPAT PELELANGAN IKAN MUARA ANGKE Dining Nika Alina; Hawis Madduppa
BAWAL Widya Riset Perikanan Tangkap Vol 12, No 1 (2020): (April) 2020
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/bawal.12.1.2020.31-39

Ikan lidah merupakan ikan ekonomis penting yang menjadi salah satu komoditas yang diperdagangkan di Tempat Pelelangan Ikan (TPI) Muara Angke. Ikan lidah memiliki keunikan karena metamorfosis mereka, kebiasaan membenamkan diri dalam substrat dan sirip pektoralnya yang terdegradasi sedangkan sirip lainnya saling bertemu. Terdapat enam spesies ikan lidah dari famili Cynoglossidae yang dapat ditemukan di Indonesia, sedangkan penelitian terkait identifikasi ikan lidah masih terbatas. Penelitian ini bertujuan untuk mengidentifikasi dan memastikan spesies ikan lidah yang diperdagangkan di TPI Muara Angke berdasarkan pengukuran morfometrik dan DNA Barcoding menggunakan sekuen COI. Hasil analisis morfologi menggunakan literatur menunjukkan bahwa ikan lidah sampel memiliki kemiripan karakteristik morfologi dengan Cynoglossus lingua dan Cynoglossus arel yang kemudian diyakini sebagai C. arel berdasarkan ciri diagnostiknya. Berdasarkan analisis DNA barcoding diperoleh spesies Cynoglossus cf. arel dengan identifikasi kesamaan 100% yang tercantum dalam GenBank. Dari hasil analisis morfologi dan DNA barcoding menunjukkan bahwa ikan lidah yang diperdagangkan di TPI Muara Angke merupakan ikan dari famili Cynoglossidae, genus Cynoglossus, spesies Cynoglossus arel.Tongue Fish Identification Traded in Muara Angke Fish Auction Based on Morphometric and DNA Barcoding Using COI Sequences. Tongue fish is an important economical fish which is one of the commodities traded at Muara Angke Fish Auction. Tongue fish are unique because of their metamorphosis, their habit of immersing themselves in the substrate, and their pectoral fins degraded while the other three fins are confluent. There are six species of tongue fish from the Cynoglossidae family that can be found in Indonesia, whereas the study about tongue fish identifications are limited. The present study aims to identify and clarify the species of tongue fish traded at Muara Angke Fish Auction based on morphometric measurements and DNA Barcoding using the COI sequence. The results of the morphological analysis using the literature showed that the tongue fish samples had similar morphological characteristics with Cynoglossus lingua and Cynoglossus arel which were then believed to be C. arel based on their diagnostic characteristics. DNA barcoding analysis of tongue fish sample shows Cynoglossus cf. arel with 100% similarity identification listed in GenBank. From the results of morphological analysis and DNA barcoding showed that the tongue fish traded at TPI Muara Angke are fish from the family Cynoglossidae, genus Cynoglossus, species of Cynoglossus arel.

Morphometric and genetic identification of Mackerel (Rastrelliger sp.) collected from Muara Baru Fish Market, Jakarta Ummu Salma; Hawis Madduppa
Jurnal Ilmu Kelautan Kepulauan Vol 4, No 2 (2021): Jurnal Ilmu Kelautan Kepulauan
Publisher : Fakultas Perikanan dan Kelautan. Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jikk.v4i2.3880

Ecosystems in Indonesia have a lot of potential resources, and one of them is seafood resources. Mackerel is potential catches of fish in the Jakarta Bay (as part of Java Sea area) that has high economic value. The Java Sea has only two mackerel species, Rastrelliger brachysoma and R. kanagurta which have similar morphology. Therefore in this study was conducted to compare morphometric and molecular analysis (DNA barcoding) using COI sequences so that specific species from specimens could be identified. The analyzed fish samples have striking characteristics such as blackline on the back, a black line near the pectoral fins, and a dark body part is extending above the rib line. The dorsal fins have a yellowish-gray color, yellowish pectoral, and pectoral fins.The result showed that measurements characteristic features of mackerels in Muara Angke belonging to Rastrelliger genera. DNA Barcoding analysis showed that the collected sample identified as Rastrelliger kanagurta with 99.25% identification similarity. The DNA code can distinguish between all fish species and identify the eggs, larvae, and carcass pieces of this species. So that fish in fish landings can be identified and tagged according to their species. This study has successfully identified a sample from Muara Angke by using a DNA code and therefore would be beneficial for managing food controlling and food safety concerns.Â Keywords: molecular identification, DNA barcoding, Rastrelliger kanagurta, morphological analysisÂ

Assessing fish community structure at two different coral reef depths around Seribu Islands, Jakarta Karizma Fahlevy; Firsta Kusuma Yudha; Wedi Andika; Ahmad Eko Suprianto; Nadya Jeny Irianda; Mas Irfanto; Beginer Subhan; Hawis Madduppa
Jurnal Ilmu Kelautan Kepulauan Vol 1, No 1 (2018)
Publisher : Fakultas Perikanan dan Kelautan. Universitas Khairun

ABSTRACTCoral reefs structure play important roles for reef fish assemblages. Coral coverage and reef fish abundance are associated with the positive relationship. However, the relationship between reef fish abundance and composition and depth variation around Pramuka Island is poorly known. This study was carried out to investigate the biodiversity and the trophic level of fish communities between two different depths (3 and 10 m) around Pramuka Island regions (Pramuka Island and Sekati Island). The hard coral at the depth of 10 m within both study sites in Pramuka island held significantly higher percent cover than the depth of 3 m except in Dock 2 A total of 2620 individual fishes were counted, belonging to 58 species and 13 families. The fish community in 3 and 10 depth was dominated by omnivorous fishes. The multivariate analysis of fish abundance using the Bray Curtis similarity index and non-metric multidimensional scaling (NMDS) clearly showed the clustering of two different depths. The NMDS results showed that at the depth of 10 m are more clustered than 3 m depth. The present study results showed that the biodiversity of reef fishes around Pramuka Island seemed to be linked to the hard coral condition and depth.Keywords: Coral, Depth, Reef fishes, Trophic level

Molecular Characterization of Caulerpa racemosa (Caulerpales, Chlorophyta) from Indonesia Based on the Plastid tufA Gene Muhamad Darmawan; Neviaty Putri Zamani; Hari Eko Irianto; Hawis H Madduppa
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 16, No 3 (2021): December 2021
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.588

The green seaweed Caulerpa racemosa is a seaweed of high prospect that is being given emphasis by the Indonesian government. However, C. racemosa in Indonesia may include multiple species level-entity exhibiting morphological overlap and require molecular analysis for species identification. Molecular documentation of species richness of indigenous populations of C. racemosa is essential to underpin cultivar development and conservation of the species to avoid overharvesting. The present study aimed to determine the genetic diversity of C. racemosa and document the haplotype network of the specimens from four different locations (Bintan Island, Jepara, Takalar and Osi Island) using the chloroplast tufA gene. Twenty individuals from four areas were collected and amplified with the chloroplast-encoded gene tufA for species identification against publicly available data. The identification of C. racemosa based on the tufA gene showed that the species found in four locations were C. cylindracea (previously C. racemosa var. cylindracea), C. macra (previously C. racemosa var. macra), C. racemosa, and C. oligophylla (previously C. racemosa var. lamourouxii). This study records the existence of C. cylindracea in Takalar and Jepara, Indonesia for the first time. The most diverse C. racemosa species was in Osi Island, where the exploitation of this seaweed is very low. In contrast, the lowest number of C. racemosa varieties were found in Takalar, where exploitation is very high. There were only minor light variations of Caulerpa species in the tufA gene in four different sites with only four haplotypes found, and each haplotype corresponded to another species.

Identifikasi dan Analisis Filogentik Kerang Kima (Genus Tridacna) dari Pulau Kur Menggunakan DNA Barcoding Teddy Triandiza; Agus Kusnadi; Hawis Madduppa; Neviaty P Zamani; Udhi E Hernawan; Rosmi N Pesillette; Abdul Kadir Yamko; Nurlita P Anggraini; Fildzah Z Hulwani; Ichtineza H Hardono; Risnita Tri Utami
Al-Kauniyah: Jurnal Biologi Vol 15, No 1 (2022): AL-KAUNIYAH: JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v15i1.17631

AbstrakPeran penting kerang Kima secara ekologis sebagai salah satu spesies kunci dalam ekosistem terumbu karang menyebabkan biota laut ini mengalami tekanan antropogenik di sebagian besar wilayah di Indo-Pasifik, termasuk Indonesia. Penelitian ini bertujuan untuk mengidentifikasi spesies Kima genus Tridacna asal Pulau Kur menggunakan markea gen COI dan menganalisis hubungan filogenetiknya. Sampel jaringan Kima diekstrak menggunakan kit ekstraksi komersial. Primer universal (LCO1490; HCO2198) dan primer spesifik Kima (LCO: 5’-GGG TGA TAA TTC GAA CAG AA-3’; RCO: 5’-TAG TTA AAG CCC CAG CTA AA-3’) digunakan untuk mengamplifikasi DNA target. Analisis data dilakukan terhadap 26 sekuen Kima asal Pulau Kur dengan panjang fragmen 479 bp menggunakan software MEGA6 meliputi analisis jarak genetik dan pohon filogenetik. Hasil analisis homologi menggunakan BLASTn mendapatkan empat jenis Kima, yaitu Tridacna maxima, T. crocea, T. noae, dan T. squamosa dengan similaritas 99–100%. Hasil penelitian menunjukkan bahwa jarak genetik dalam spesies sangat rendah berkisar 0,0000–0,0103 sedangkan jarak genetik antar spesies berkisar antara 0,0112–0,1729. Hasil konstruksi pohon filogenetik kerang Kima menunjukkan adanya dua klad utama yang kohesif dan jelas terpisah, yaitu kelompok Tridacna yang monofiletik dan Hippopus hippopus. Berdasarkan hasil penelitian, teknik DNA Barcoding sangat efektif untuk identifikasi dan mengkonfirmasi fenomena cryptic spesies.Abstract The role of the giant clam as the key and ecologically important species in coral reef ecosystem has led them to experience anthropogenic pressure in the most of Indo-pacific region including Indonesia. This research aimed to identify the species of giant clam Tridacna from Kur Island, Southeast Maluku by using COI gene marker and to analyze their phylogenetic relationship. The tissue sample of giant clam was extracted with a commercial extraction kit. Universal primer (LCO1490; HCO2198) and specific primer for giant clam (LCO: 5’-GGG TGA TAA TTC GAA CAG AA-3’; RCO: 5’-TAG TT AAG CCC CAG CTA AA-3’) was used to amplify DNA target. Twenty-six sequences from Kur Island with 479 bp fragment length were analyzed by using MEGA6 software. Homological analysis on BLASTn found four species i.e Tridacna maxima, T. crocea, T. noae, and T. squamosa with 99–100% similarity. The result also showed that genetic distance value intraspecies was very low ranging from 0.000 to 0.0105, while genetic distance inter-species ranged from 0.0112 to 0.1729. Reconstruction of phylogenetic tree of giant clam revealed two main group that cohesive and clearly separated i.e Tridacna group which monophyletic and Hippopus hippopuxs. Based on the result, the DNA barcoding technique was effective for identification and confirmation of the occurrence of cryptic species phenomenon.

KERAGAMAN DAN KELIMPAHAN RUMPUT LAUT HIJAU Caulerpa (Chlorophyta) DI PERAIRAN PESISIR INDONESIA DENGAN KANDUNGAN NUTRIEN YANG BERBEDA: Pulau Bintan, Jepara, dan Pulau Osi Muhamad Darmawan; Neviaty Putri Zamani; Hari Eko Irianto; Hawis H. Madduppa
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 14 No. 2 (2022): 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.v14i2.37745

The green seaweed Caulerpa can be found in almost every coastal area of Indonesia, and it is one of the seaweeds with immense potential to be developed in the future. The chemical factors, especially water nutrients (nitrate, nitrite, phosphate, and ammonia), play an essential role in the distribution and diversity of seaweed. This study aimed to identify the abundance, ecological index, and relationship between the water column nutrients concentration and the biodiversity of Caulerpa from three different locations (Bintan Island, Jepara, and Osi Island). There were 12 points of observation at each site. The result showed a correlation between the nutrient levels and the abundance and diversity of Caulerpa in three locations. The nitrate, ammonia, and DIN:P ratio values were significantly different between areas. In contrast, there were insignificant differences in nitrite and phosphate concentrations between sites. The highest nitrate and phosphate concentrations were observed on Osi Island. The nitrite and ammonia values were identical for the condition on Bintan Island. The nitrate value was the main characteristic that distinguished the water nutrient at all sites. The Caulerpa species found in this research were Caulerpa racemosa, Caulerpa lentilifera, Caulerpa serrulata, Caulerpa sertularoides, and Caulerpa cupresoides. The nitrate and phosphate values influenced the growth factor of the green seaweed Caulerpa lentilifera. Caulerpa racemosa and Caulerpa serrulata, on the other hand, grew in response to ammonia levels. Caulerpa cupresoides diversity and abundance were impacted by the nitrite value. The results of the canonical correspondence analysis revealed that nitrate, phosphate, and ammonia were the most important factors influencing Caulerpa distribution in three locations.

Co-Authors . Zairion AA Sudharmawan, AA Abdul Kadir Yamko Abdurrachman Baksir Abdurrachman Baksir Aditya Bramandito Adriani Sunuddin Agus A Hakim Agus Atmadipoera Agus Kusnadi Agus Ramli Agus S. Atmadipoera Ahmad Eko Suprianto Ahmad Taufik Ghozali Ahmad Taufik Ghozali Alan Frendy Koropitan Ali Mashar Alief K Husna Am Azbas Taurusman Anggraini, Nurlita Putri Aradea Bujana Kusuma Aradea Bujana Kusuma Arief Pratomo, Arief Ario Damar Astini, Lita Astuti, Anggini Fuji Audina putri Ayu Ervinia Ayu, Inna Puspa Azhari Benyamin Beginer Subhan Bertoka Fajar S.P. Negara Bisman Nababan Borbee, Erin Budi Prabowo Dea Fauzia Lestari, Dea Fauzia Deddy Bakhtiar Deden Yusman Maulid Dedi Soedharma Dedi Soedharma Dedi Soedharma Denny Khaerudi Dharmawan, I Wayan Eka Dian Pertiwi Dietrich Geoffrey Bengen Dietrich Geoffrey Bengen Dietriech G Bengen Dietriech Geoffrey Bengen Dining Nika Alina Dondy Arafat Dony Kushardono Eko S Wibowo Ester Restiana Endang Gelis Fadel Muhammad Fadillah Rahmawati Fajar Nugroho Farhan Ramdhani Fauzan Dzulfannazhir Fauzan Dzulfannazhir Fildzah Z Hulwani Firdaut Ismail Firsta Kusuma Yudha Gelis, Ester R. E. Genadi Algadri Hadi, Sutanto Hanami, Cindy Claudea Hari Eko Irianto Hari Eko Irianto HEDI INDRA JANUAR Henry Munandar Manik Ichtineza H Hardono Idham A. Nasrullah Ikbal Marus Indra Jaya Indra Jaya Irianda, Nadya Jeny Irma Shita Azaraly Irmalita Tahir Ismail Ismail Iswandi Wahab Iswandi Wahab Jeddah Isnul Jhon Septin Maurisdo Siregar Jhoni Wahyu Adi Jonson Lumban Gaol Karizma Fahlevy Kustiariyah Tarman Lalu M Iqbal Sani Lalu M. Iqbal Sani Lalu M. Iqbal Sani Lane, Christopher Luky Adrianto Luzmi Malia Izza Mahardika Rizqi Himawan Majariana Krisanti Mala Nurilmala Mas Irfanto Meutia Samira Ismet Minsaris, La Ode Alam Moh Muhaemin Mohd Adip Setiawan Muhamad Darmawan Muhamad Darmawan Muhamad Gilang Arindra Putra Muhamad Gilang Arindra Putra Muhamad Iqbal Muhammad Andre Nugraha Muhammad Aris Muhammad Fahmi Zuhdi Muhammad Fahmi Zuhdi Muhammad Taufik MUJIZAT KAWAROE Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mu’min Mu’min Nadya Cakasana Nadya Jeny Irianda NAILA KHURIL AINI Namira Hadadi Nebuchad Nezzar Akbar Nebuchadnezzar Akbar Nella Tri Agustini, Nella Tri Neviaty P Zamani Neviaty P Zamani Neviaty P. Zamani Neviaty P. Zamani Neviaty P. Zamani Neviaty P. Zamani Neviaty Putri Zamani NEVIATY PUTRI ZAMANI Novian Prahandhy Kusuma Nurafni Nurafni Nurhaya Afifah Nurjanah Nurjanah Nurlisa Alias Butet Nurlita P Anggraini Nurlita Putri Anggraini Nurlita Putri Anggraini Nurlita Putri Anggraini Prakas Santoso Prakas Santoso Prakas Santoso Prakas Santoso Prehadi . Prehadi Prehadi Purwanto, Budi Rahmat Sawalman Raismin Kotta Ramadian Bachtiar Ramili, Yunita Rani Utari Ayuningtyas Raymon Rahmanov Zedta Ridha Fathihatunnisa Rifki Aldi Ramadhani Risnita Tri Utami Risti Endriani Arhatin Rizky Janatul Magwa Romanus Edy Prabowo Rommy M. Abdullah Rosmi N Pesillette Rustam E Paembonan Ruzanna, Arina Salsabila, Afviya Samsul Bahri Samsul Bahri Sani, L. Mukhsin Iqbal Sani, Lalu Mukhsin Iqbal Satya Pratama Atmaja Sayyidah Fatchiyyah Sayyiddah Fatchiyyah Sebastian C. A. Ferse Sebastian Ferse Septy Heltria Setyaningsih, Wahyu Adi Shodikin Aznardi Shodikin Aznardi Aznardi Sigid Hariyadi Sihono Sihono SITI KHODIJAH Sulistiono Sulistiowati Sulistiowati Surahman Surahman Sutanto Hadi Syamsul Arifin Syarifudin Nur Taqiyuddin, Muhammad Wijdan Teddy Triandiza Teddy Triandiza Turissa Pragunanti Ilyas Tyani Fitrian Udhi E Hernawan Ummu Salma Wedi Andika Wiwid Andriyani Lestariningsih Yusli Wardiatno Zakiyah Rahim Zedta, Raymon Rahmanov

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