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All Journal Torani Journal of Fisheries and Marine Science Jurnal Pertanian Terpadu Kumawula: Jurnal Pengabdian Kepada Masyarakat Jurnal Tropical Aquatic Sciences Journal of Fisheries & Marine Jurnal Perikanan
Iwan Suyatna
Fishery and Marine Science Faculty, Mulawarman University, Jl. Krayan Kampus Gunung Kelua Samarinda
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Environmental Science Physics Social Sciences

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Analysis of Heavy Metals in Shellfish, Sediment, and Waters in Seagrass beds Ecosystem in Selangan Village, Bontang City Akhir, Fatmy Yaumil; Suyatna, Iwan; Pagoray, Henny; Sukarti, Komasanah; Ramang, Muhammad Syahrir; Fitriyana, Fitriyana
Torani Journal of Fisheries and Marine Science Vol. 7 No. 1 (2023): VOLUME 7 NOMOR 1, DECEMBER 2023
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/torani.v7i1.27624

Abstract

Selangan Hamlet is a water area in Bontang City where community activities are very active. Bontang City is an area that has a high utilization of coastal areas such as tourism, cultivation, trade, sea transportation services, and industrial areas. The impact of the industrial area on these waters is the contamination of these waters with heavy metals which will have an impact on aquatic organisms and the surrounding community who ultiize these waters. The purpose of this study was to identify the content of heavy metals lead (Pb), copper (Cu), magnesium (Mg), iron (Fe), and mercury (Hg). This research was conducted in January-June 2023 in Bontang waters, Selangan Hamlet. Sampling involyes analyzing water quality and testing heavy metals such as Cu, Pb, Fe, Mg, and Hg. The samples to be analyzed are water, sediment, seagrass and blood clams. The results of the analysis obtained in these waters, at the four stations, namely the south, east, west and north stations. At all stations in the heavy metal test Cu, Pb, Fe, Mg and Hg heavy metal content is only found in blood clams (Anadara granosa). In water, sediment and seagrass, the values obtained are still in normal conditions.
Condition and Management Strategy of Coral Ecosystem in Kedindingan Island, Bontang City Samin, Andriyanto; Mustakim, Mustakim; Fitryana, Fitryana; Suyatna, Iwan; Nikhlani, Andi; Ningsih, Etik Susilowati
Torani Journal of Fisheries and Marine Science Vol. 7 No. 1 (2023): VOLUME 7 NOMOR 1, DECEMBER 2023
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/torani.v7i1.28282

Abstract

Kedindingan Island is one of the Marine Conservation areas in East Kalimantan Province with rich natural resource. This study aims to determine the extent of coral distribution and health, determine the health condition of live coral cover and to formulate management strategies in Kedindingan Island for the realization of sustainable coral management. The results of the analysis using Landsat 8 imagery showed live coral was 55.44 Ha in 2015 and 48.06 Ha in 2022. Love coral cover in stations 1,2, and 4 were in good category i.e. 52,53$, 53,6%, and 60,34%, respectively . whilst in station 3  31,34% was moderate category. There are three priority management strategies for coral ecosystem management in Kedindingan Island, the first is to create a team in each region consisting of policy makers, academics, and the community, the second is to increase the role of NGOs and local communities in monitoring and supervising coral ecosystems, and the third is to improve management and develop rehabilitation methods and monitor corals regularly in Kedindingan Island.
PERTUMBUHAN, MORTALITAS, DAN LAJU EKSPLOITASI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta) HASIL TANGKAPAN DI PERAIRAN PANGEMPANG MUARA BADAK KALIMANTAN TIMUR Sartika, Anggun; Suyatna, Iwan; Muhammad Syahrir
Jurnal Tropical Aquatic Sciences Vol. 3 No. 2 (2024): Vol. 3 No. 2 (2024): Jurnal Tropical Aquatic Sciences
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/tas.v3i2.1344

Abstract

Penelitian ini dilakukan pada bulan Agustus 2023 – Januari 2024. Penelitian ini bertujuan untuk mengetahui Karakteristik kelimpahan bintang laut di Perairan Pulau Badak-Badak Kota Bontang Kalimantan Timur. Pengambilan sampel dilakukan tiga kali pengulangan. Analisis data Bintang laut menggunakan komposisi spesies (Ks) indeks keanekaragaman (H’) indeks keseragaman (E) indeks dominansi (C) dan Uji Statistik korelasi. Hasil penelitian ditemukan 54 Individu bintang laut dari 2 spesies. Archaster typicus adalah spesies yang umum ditemukan dengan kelimpahan rata-rata sebesar 20 Individu. Parameter fisika – kimia yang terdiri dari suhu, kekeruhan, salinitas, kecerahan, kecepatan arus, pH, DO, nitrat dan fosfat yang tergolong sangat baik bagi organisme yang hidup di dalam perairan tersebut. Pada stasiun penelitian ditemukan dua jenis lamun yaitu Enhalus acoroides dan Cymodocea rotundata. Hasil uji korelasi kelimpahan Bintang laut dan kerapatan tegakan E. acoroides memiliki tingkat hubungan yang sangat kuat r = (0,80 - 0,958) dengan arah korelasi (+) positif. Nilai C. rotundata memiliki tingkat hubungan kuat r = (0,60 – 0,756) dangan arah korelasi (+) positif.
IDENTIFICATION OF FISH SPECIES IN RIVER WATERS BENGALON, SANGATTA AND SURROUNDING AREAS IN KUTAI DISTRICT EAST KALIMANTAN PROVINCE Suyatna, Iwan; Simarangkir, Omega Raya; Raafi, Muhammad; Irwan, Irwan; Winardi, Eko; Dwisata, Asriyanto; Tawang, Firmansyah; Pranoto, Kris; Nirwan, Ki Agus; Palinggi, Yosep
Jurnal Perikanan Unram Vol 15 No 2 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i2.1001

Abstract

The waters of the Bengalon River, Sangatta and surrounding areas are affected by community activities as well as coal mining and oil palm plantations. Fish are one of the aquatic biota affected by these activities. The unavailability of river fish species data is a particular concern in evaluating the condition of river waters. The availability of fish species data is considered important for decision-making considerations that will be applied in an area. As a sustainability effort, monitoring, identification and inventory of river fish in the East Kutai Regency area were carried out. This research was conducted in November 2021-May 2022 in Bengalon River, Sangatta and surrounding areas. Fish identification was carried out at the Hydroceanography Laboratory, Faculty of Fisheries and Marine Science, Mulawarman University. Fish data were analyzed descriptively. Based on the research data, rivers in East Kutai district are dominated by the Cyprinidae family. A total of 43 fish species were identified, 10 of which were marine fish species, generally fishes that live around estuaries (brackish water), including species that live in the sea. Keywords: Cyprinidae, East Kutai, Fish, River
PERTUMBUHAN, MORTALITAS, DAN LAJU EKSPLOITASI IKAN TEMBANG (Sardinella fimbriata) DI PERAIRAN PANGEMPANG MUARA BADAK, KALIMANTAN TIMUR Sinurat, Magdalena; Suyatna, Iwan; Syahrir Ramang, Muhammad
Jurnal Tropical Aquatic Sciences Vol. 4 No. 1 (2025): Jurnal Tropical Aquatic Sciences
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/phv96318

Abstract

Perairan Muara Badak memiliki potensi sumber daya perikanan laut yang dapat diandalkan sebagai alternatif pemenuhan kebutuhan pangan dan pengembangan usaha perikanan. Ikan tembang (S. fimbriata) merupakan ikan yang sering tertangkap di perairan Pangempang. Penelitian ini bertujuan untuk mengetahui beberapa parameter dalam dinamika populasi ikan tembang (S. fimbriata) yang meliputi distribusi frekuensi, hubungan panjang dan berat ikan, pertumbuhan, mortalitas dan laju eksploitasi. Penelitian ini dilaksanakan pada bulan Juni sampai dengan September 2022, sampel diambil dari pengumpul Toko Lima, Muara Badak dengan menggunakan metode purposive. Jumlah sampel yang digunakan sebanyak 500 ekor dengan rentang panjang total 8,2–14,6 cm. Hubungan panjang ikan tembang dengan berat ikan tembang memiliki persamaan W = 0,03. L2, 53 dengan korelasi (R²) = 0,92 dimana pola pertumbuhan bersifat alometrik negatif. Panjang pertumbuhan maksimum (L∞) adalah 17,64 mm, koefisien laju pertumbuhan (K) adalah 0,50 per tahun, dan umur teoritis awal adalah -0,3777 bulan. Tingkat mortalitas total (Z) adalah 7,15 per tahun, mortalitas alami (M) adalah 1,32 per tahun, mortalitas penangkapan (F) adalah 5,83 per tahun, dan tingkat eksploitasi (E) adalah 0,82 per tahun. Hasil ini menjelaskan bahwa ikan tembang memiliki kerentanan yang tinggi karena aktivitas penangkapan dan tekanan penangkapan yang tinggi juga diikuti oleh pola eksploitasi yang tinggi.
STUDI KEANEKARAGAMAN IKAN INDIKATOR, MAYOR, TAGET PADA EKOSISTEM TERUMBU KARANG DI PERAIRAN PULAU MIANG KUTAI TIMUR Wijaya, Oki; Eryati, Ristiana; Suyatna, Iwan
Jurnal Tropical Aquatic Sciences Vol. 1 No. 1 (2022): Jurnal Tropical Aquatic Sciences
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/tas.v1i1.477

Abstract

Ikan karang merupakan hewan yang berasosiasi dengan ekosistem terumbu karang, mulai dari tempat berkembang biak, mencari makan, hingga berlindung dari pemangsa. Ikan karang merupakan kelompok ikan yang selalu berkerabat dekat dengan lingkungan ekosistem terumbu karang. Ikan karang dikelompokkan menjadi 3 kategori, yaitu ikan indikator, ikan mayor, dan ikan target. Penelitian ini bertujuan untuk mengetahui populasi ikan karang di Pulau Miang Besar, Kutai Timur. Penelitian dilakukan pada bulan Desember 2020, menggunakan 4 stasiun dan pengambilan ikan karang menggunakan metode UVC (Underwater Visual Census). Hasil penelitian ditemukan bahwa ikan target ditemukan pada 5 famili, 7 spesies dan 6 marga dengan kelimpahan tertinggi dari famili Lutjanidae sebanyak 48 individu dan terendah dari famili Haemulidae dengan 1 individu. Ikan indikator ditemukan 1 famili, 2 genus, dan 5 spesies dengan kelimpahan tertinggi spesies Chaetodon lunulatus 6 individu. Ikan mayor ditemukan pada 4 famili, 22 spesies, dan 10 genus dengan kelimpahan tertinggi pada famili Pomacentridae dengan 188 individu dan terendah pada famili Apogonidae dan famili Holocentridae dengan masing-masing 3 individu.
Analisis Hubungan Otolith Terhadap Ukuran Ikan Dan Pengamatan Karakteristik Morfometrik Dan Meristik Ikan Kakap Genus Lutjanus Suyatna, Muhammad Bagja Britania; Suyatna, Iwan; Pagoray, Henny; Fitriyana, Fitriyana; Syahrir, Muhammad
Jurnal Pertanian Terpadu Vol 11 No 1 (2023): Jurnal Pertanian Terpadu Jilid XI Nomor 1 Juni 2023
Publisher : Sekolah Tinggi Pertanian Kutai Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36084/jpt..v11i1.470

Abstract

This study was performed in November 2021 to January 2022 at the Hydrooceanography laboratory, Faculty of Fisheries and Marine Science, University of Mulawarman, Samarinda, East Kalimantan. Fish samples of the study were collected from local fishers landed Fish Landing Ports (Pelabuhan Pendaratan Ikan, PPI) at Tanjung Limau Bontang and Toko Lima Muara Badak, Kutai Kartanegara, East Kalimantan. The aims of the study were to identify species of fish samples, to observe morphometric and meristic characters and to know the relationship between otolith sizes and fish sizes. The number of fish samples was 74 ind; all samples were measured and weighed; to know fish species of fish studied, identification was done on the basis of morphometric and meristic characters such as truss distance and fish length, hard and soft rays and specific signs found on the body was referring to research reports, related publication and fish identification manual. All fish otoliths were gathered from dissection of certain part of head, taken by forcep and measured by caliper, weigheg by digital scale, photograph with USB camera, fish distribution was known with calculating statistic descriptive,while the relationship between fish otolith size and fish size was analyzed using bivariate linear model. Results of laboratory observation, fish sample of the study consisted of Kakap Tompel Lutjanus russellii, Kakap Bakau L. argentimaculatus dan Kakap Merah L. gibbus; generally, fish sizes ranged from 34.68 – 2120.00 g; total length 12.20 - 51.20 cm, fish otolith weight 0.03 – 1.90 g; otolith lenght 0.47-1.96 cm; width 0.31-1.90 cm dan height of otolith 0.11-0.61 cm. After size of otoliths and the fish samples of the fish grouper were analyzed, the study showed that the otolith size followed the size of fish. Keywords : Pesisir, Bontang, Muara Badak, Selat Makassar, Model Linear Bivariate, Data, Correlation
Structure of Mangrove Forest and Carbon Sequestration Potential in the Estuarine Region of the Somber River, Balikpapan Bay, Indonesia: A Preliminary Assessment Hamdhani, Hamdhani; Paputungan, Mohammad Sumiran; Ritonga, Irwan Ramadhan; Suyatna, Iwan
Jurnal Ilmiah Perikanan dan Kelautan 2025: IN PRESS ISSUE (JUST ACCEPTED MANUSCRIPT, 2025)
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Graphical Abstract   Highlight Research Nine mangrove species were identified in the Somber River estuary, dominated by Rhizophora and Avicennia. The mangrove forest exhibited an average density of 1,444 trees/ha, DBH of 13.3 cm, and canopy cover of 62.04%. Litterfall production averaged 9.28 Mg/ha/year, resulting in an estimated carbon sequestration of 47.25 Mg CO₂-eq/ha/year. Carbon sequestration correlated strongly with canopy cover and tree density, but not with DBH, with the midstream segment showing the highest values.   Abstract Mangroves are included in East Kalimantan’s emission reduction programs, but carbon absorption data remain lacking due to limited studies. In Balikpapan Bay, particularly around the Somber River estuary, information on carbon accumulation rates is still limited. This study aimed to document the species composition, tree density, diameter at breast height (DBH), and canopy cover of mangrove forests, estimate their carbon sequestration capacity, and compare sequestration rates across the upstream, midstream, and downstream sections of the Somber River in Balikpapan City, Indonesia. Nine sampling stations were established along the river to represent each segment. At each, mangrove species were identified, tree density and canopy cover measured, and litterfall collected. Carbon sequestration was then estimated from litterfall-based Net Primary Productivity (NPP). Nine species were recorded, dominated by Rhizophora and Avicennia. The forest averaged 1,444 trees/ha, DBH of 13.3 cm, and 62.04% canopy cover. Midstream sites showed the highest density (1,533 trees/ha) and canopy cover (65.7%), though not in DBH. Litterfall averaged 9.28 Mg/ha/year (0.58–18.76), corresponding to 47.25 Mg CO₂-eq/ha/year, peaking midstream. Sequestration rates did not differ significantly among segments but correlated strongly with canopy cover, density, and DBH. This study provides initial estimates of mangrove carbon uptake in the Somber River estuary near the Kariangau industrial area, offering insights for management strategies to enhance blue carbon storage, provides externally relevant estimates and a structure-to-sequestration linkage that can guide restoration targets, carbon accounting, and coastal policy in working estuaries. Further research should quantify sediment carbon accumulation and consider species-specific differences to better inform restoration efforts.
PERSENTASE TUTUPAN KARANG DI PERAIRAN PULAU MIANG KECAMATAN SANGKULIRANG KABUPATEN KUTAI TIMUR Rahman, Farid Noor; Eryati, Ristiana; Suyatna, Iwan
Jurnal Tropical Aquatic Sciences Vol. 4 No. 2 (2025): Jurnal Tropical Aquatic Sciences
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/256f6054

Abstract

Terumbu karang saat ini menghadapi ancaman yang semakin parah. Termasuk penangkapan ikan yang berlebihan, penggunaan alat tangkap yang tidak berkelanjutan, pembangunan pesisir, limpasan dari pertanian, limbah industri dan pengiriman. Konservasi dan pengelolaan terumbu karang secara berkelanjutan dan berkembang sangat penting. Tujuan dari penelitian ini adalah untuk menilai status kesehatan terumbu karang di perairan Pulau Miang. Penelitian dilakukan pada bulan Desember 2020, dengan pengambilan data dari 4 titik stasiun dan tutupan karang menggunakan metode LIT (Line Intercept Transect). Mendominasi dengan persentase 25,18%, persentase tutupan terumbu karang di stasiun I, kondisi perairan stasiun ini pada saat pengambilan data pada saat pasang. Di stasiun II, terumbu Acropora Submassive mendominasi dengan persentase 18,7%. Kondisi perairan di stasiun ini pada saat pengambilan data sedang surut. Di stasiun III terumbu Acropora Brancing mendominasi dengan persentase 24,08% dan tingkat DCA 7,16%. Kondisi stasiun ini pada saat pengambilan data dilakukan pada saat air surut. Tingkat penutupan karang hidup pada stasiun IV sebesar 54,68%. Pada stasiun ini, terumbu Acropora Brancing lebih mendominasi dibandingkan jenis terumbu lainnya dan jumlah Karang Mati dengan Alga (DCA) pada stasiun ini cukup tinggi, yaitu 25%. Stasiun I 81,26%, stasiun II 80,74%, stasiun III 82,92%, stasiun IV 54,68%. Indeks mortalitas karang di perairan Pulau Miang pada stasiun I dengan persentase sebesar 9,26%, II sebesar 11,8%, stasiun III sebesar 9,72%, dan IV sebesar 30,8%. Pertumbuhan terumbu di perairan Pulau Miang lebih didominasi oleh jenis akro diikuti oleh non-akro.
PENANAMAN BIBIT BAKAU DI KAWASAN WISATA MANGROVE TELOK BANGKO, KOTA BONTANG Ritonga, Irwan Ramadhan; Eryati, Ristiana; Paputungan, Mohammad Sumiran; Suyatna, Iwan; Kusumaningrum, Widya; Adnan, Adnan; Nurfadilah, Nurfadilah; Suryana, Irma; Budiarsa, Anugrah Aditya; Bulan, Dewi Embong
Kumawula: Jurnal Pengabdian Kepada Masyarakat Vol 8, No 3 (2025): Kumawula: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kumawula.v8i3.61250

Abstract

Mangrove (bakau) is one of the coastal plants that might function socially, ecologically and economically. One of the coastal areas of East Kalimantan that has experienced damage due to human activities is in Bontang City, specifically Telok Bangko. Therefore, planting bakau seedlings is one of the efforts to maintain the bakau ecosystem in the coastal areas of Bontang City. The purpose of this community service activity is to increase knowledge and understanding of the importance of mangrove in coastal areas by planting mangrove seedlings. This community service activity was carried out on September 29, 2024 in the Telok Bangko mangrove tourism area, Bontang City. The method used in this activity was lecture and followed by direct practice in the field. The results of this activity were 500 mangrove seedlings (Rizophora mucronata) were planted at the location of the activity by students and academics of Mulawarman University. The results of this activity could increase knowledge and understanding for each participant in determining the right planting location, type, how to plant mangroves and evaluate activities. This activity is also expected to benefit the community both economically and ecologically in the Telok Bangko mangrove area. The process of evaluating activities must be carried out to support the success of this activity, such as maintenance, periodic data collection (monitoring) of mangrove seedlings (% survival rate) that have been planted by participants.Mangrove (bakau) merupakan salah satu tumbuhan pesisir yang dapat berfungsi secara sosial, ekologi dan ekonomi. Salah satu kawasan pesisir Kalimantan Timur yang  telah mengalami kerusakan akibat aktivitas manusia terdapat di Kota Bontang, khususnya Telok Bangko. Karenanya, menanam bibit bakau merupakan salah satu usaha untuk mempertahankan ekosistem bakau di wilayah pesisir kota Bontang. Tujuan dari kegiatan ini adalah untuk meningkatkan pengetahuan dan pemahaman tentang pentingnya bakau di wilayah pesisir dengan cara menanam bibit bakau. Kegiatan pengabdian masyarakat ini dilakukan pada tanggal 29 September 2024 di kawasan wisata mangrove Telok Bangko, Kota Bontang. Metode ceramah dan praktek langsung merupakan metode yang dilakukan di kegiatan pengabdian masyarakat ini. Hasil kegiatan yang didapatkan dari kegiatan ini adalah bibit bakau (Rizophora mucronata) telah ditanam sebanyak 500 bibit di lokasi kegiatan oleh para siswa dan akademisi Universitas Mulawarman. Hasil kegiatan ini dapat meningkatkan pengetahuan dan pemahaman kepada setiap  peserta dalam penentuan lokasi penanaman, jenis, cara menanam bakau dan evaluasi kegiatan secara tepat. Kegiatan ini juga diharapkan dapat bermanfaat bagi masyarakat baik secara ekonomi dan ekologi di kawasan mangrove Telok Bangko. Proses evaluasi kegiatan harus dilakukan untuk mendukung keberhasilan dari kegiatan ini, seperti pemeliharaan, pendataan berkala (monitoring) bibit bakau yang hidup (% survival rate) yang telah ditanam oleh peserta kegiatan.
Co-Authors Adnan Adnan Akhir, Fatmy Yaumil Andi Nikhlani Anugrah Aditya Budiarsa, Anugrah Bulan, Dewi Embong Dwisata, Asriyanto Eryati, Ristiana FITRIYANA Fitriyana Fitriyana, Fitriyana Fitryana, Fitryana Hamdhani, Hamdhani Henny Pagoray, Henny Irwan Irwan Irwan Ramadhan Ritonga Komsanah Sukarti Kusumaningrum, Widya Muhammad Syahrir Mustakim Mustakim Ningsih, Etik Susilowati Nirwan, Ki Agus Nurfadilah Nurfadilah Omega Raya Simarangkir, Omega Raya Palinggi, Yosep Paputungan, Mohammad Sumiran Pranoto, Kris Purnomo, Eko Deni Raafi, Muhammad Rahman, Farid Noor Ramang, Muhammad Syahrir Samin, Andriyanto Sartika, Anggun Sinurat, Magdalena Sukarti, Komasanah Suryana, Irma Suyatna, Muhammad Bagja Britania Syahrir Ramang, Muhammad Tawang, Firmansyah Wijaya, Oki Winardi, Eko