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All Journal Journal of Environmental Engineering and Sustainable Technology Jurnal Pembangunan dan Alam Lestari Acta Aquatica: Aquatic Sciences Journal Samakia: Jurnal Ilmu Perikanan JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia Journal of Marine and Coastal Science Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Engagement: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Perikanan dan Kelautan: Piskarias Ministerium Biodiversitas Journal of Biological Diversity
Wirastika Adhihapsari
Department Of Fisheries, Faculty Of Fisheries And Marine Science, Universitas Brawijaya. Jl. Veteran 1, Malang 65145, East Java, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Evaluating growth and exploitation dynamics of Thunnus albacares for sustainable fisheries in fishery landed in Bali's Benoa Harbor TRI DJOKO LELONO; GATUT BINTORO; ARIEF SETYANTO; DARMAWAN OCKTO SUTJIPTO; AGUS TUMULYADI; WIRASTIKA ADHIHAPSARI; WAHIDA KARTIKA SARI; MIHROBI KHALWATU RIHMI; DIAN ALIVIYANTI; ANDIK ISDIANTO; AGITA DWI ROSMALIA PUTRI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 9 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250905

Abstract

Abstract. Lelono TD, Bintoro G, Setyanto A, Sutjipto DO, Tumulyadi A, Adhihapsari W, Sari WK, Rihmi MK, Aliviyanti D, Isdianto A, Putri ADR. 2024. Evaluating growth and exploitation dynamics of Thunnus albacares for sustainable fisheries in fishery landed in Bali's Benoa Harbor. Biodiversitas 25: 2858-2869. This study aims to analyze the population dynamics of Thunnus albacares (Bonnaterre, 1788), particularly focusing on factors such as length-weight relationships, length frequency distribution, first caught size, gonadal maturity size, growth rate, mortality rate, and exploitation rate. The analysis, conducted using FISAT II software with data from 2018 to February 2022, also includes evaluating fish utilization status. This evaluation involves estimating Allowable Biological Effort (ABE), Allowable Biological Catch (ABC), and Total Allowable Catch (TAC) based on yellowfin tuna (T. albacares) production data from 2012 to 2021 in Bali’s Benoa Harbor. These parameters and analyses are crucial for maintaining the sustainability of catch utilization. This will be achieved using the Feedback Harvest Control Rules (FHCR) with a random sampling method. The length-weight relationship analysis yielded positive allometric growth (b>3), influenced by genetic, environmental, reproductive, and overexploitation factors. The initial catch size value (Lc50%) was determined to be 134.7 cmFL, while the gonadal maturity size (Lm) was estimated to be 103.3 cmFL. Therefore, it is paramount to refrain from fishing before reaching reproductive maturity to ensure the stock's survival. The asymptotic length (L?) was estimated at 235.45 cmFL, t0 -2.91, with a growth rate (K) of 0.20. This indicates a relatively slow growth rate, which is important information for effective fisheries management. The exploitation rate (E) of 0.88 per year indicates overexploitation. Hence, the need for sustainable fishing practices should be noted in certain areas. Applying the FHCR model provides insights into stock estimation and sustainable management strategies that are of value in informing the development of more careful management practices.
Community structure and biomass of reef fish concerning coral cover in Sempu Strait, East Java, Indonesia ANDIK ISDIANTO; MUHAMMAD FIKRI ARIEFANDI; MUHAMMAD ARIF ASADI; ADE YAMINDAGO; FAHREZA OKTA SETYAWAN; GATUT BINTORO; ARIEF SETYANTO; TRI DJOKO LELONO; AGUS TUMULYADI; WIRASTIKA ADHIHAPSARI; DESY SETYONINGRUM; AULIA LANUDIA FATHAH; BERLANIA MAHARDIKA PUTRI; SUPRIYADI SUPRIYADI; OKTIYAS MUZAKY LUTHFI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 8 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250808

Abstract

Abstract. Isdianto A, Ariefandi MF, Asadi MA, Yamindago A, Setyawan FO, Bintoro G, Setyanto A, Lelono TD, Tumulyadi A, Adhihapsari W, Setyoningrum D, Fathah AL, Putri BM, Supriyadi, Luthfi OM. 2024. Community structure and biomass of reef fish concerning coral cover in Sempu Strait, East Java, Indonesia. Biodiversitas 25: 3376-3385. Reef fishes were used as bioindicators of biodiversity in coral reef ecosystems. However, coral cover and reef fish abundance around Sempu Strait tended to decrease. The study aims to obtain reef fish's community structure and biomass and their correlation to coral cover. We observed significant variability in reef fish populations through bi-monthly monitoring using an underwater visual census and underwater photo transect conducted from December 2022 to April 2023. Based on these observations, the average range of coral fish abundance was 0.453 to 0.577 individuals per square meter, with the highest value at Rumah Apung station (0.577 ind/m2). The community structure included 81 reef fish species, categorized into major (50 species), indicator (10 species), and target (21 species) groups, demonstrating a community with moderate diversity, stable evenness, and low dominance across the observed stations. Further, the research quantified fish biomass, recording an average of 0.0207 kg/m2 or 207.571 kg/Ha, categorized as low, with the highest biomass measurements at Rumah Apung station (0.0054 kg/m2). Strong correlations were identified between coral cover and both fish abundance (correlation coefficient = 0.741) and biomass (correlation coefficient = 0.666). These results emphasize the profound impact of coral health on the conditions and sustainability of reef fish populations. These findings underscore the critical dependency of reef fish on coral ecosystems and provide essential data for conservation efforts to maintain and restore these vital marine habitats.
Population and distribution patterns of juvenile scleractinian corals in Sempu Island Nature Reserve, East Java, Indonesia ANDIK ISDIANTO; SYAFRIAL YANUAR ISHAQ; ADE YAMINDAGO; FENI IRANAWATI; ADI TIYA YANUAR; LISA NUR HIDAYAH; KRISTINA MARSELA; WIRASTIKA ADHIHAPSARI; TRI DJOKO LELONO; AULIA LANUDIA FATHAH; DINI ATIKAWATI; BERLANIA MAHARDIKA PUTRI; NOVAR KURNIA WARDANA; SUPRIYADI SUPRIYADI; OKTIYAS MUZAKY LUTHFI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 10 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d251010

Abstract

Abstract. Isdianto A, Ishaq SY, Yamindago A, Iranawati F, Yanuar AT, Hidayah LN, Marsela K, Adhihapsari W, Lelono TD, Fathah AL, Atikawati D, Putri BM, Wardana NK, Supriyadi, Luthfi OM. 2024. Population and distribution patterns of juvenile scleractinian corals in Sempu Island Nature Reserve, East Java, Indonesia. Biodiversitas 25: 3480-3490. Coral reefs, which play a vital role in tropical marine ecosystems, are threatened by anthropogenic and natural stressors, despite their important ecological and economic roles. This study examines the resilience of coral ecosystems through the lens of juvenile coral populations at Floating House Beach, which is part of the Sempu Island Nature Reserve, East Java, Indonesia. Using the Underwater Photo Transect (UPT) method along a 100-meter reference line with a 1 × 1-meter transect, our study found that coral cover was severely damaged, with live coral cover of only 18.67% and 17.61% at two observation stations, which was dominated by the life form CM (Coral Massive) at both stations. However, twelve juvenile coral genera were identified that showed potential for natural recovery, namely Acropora, Favia, Favites, Galaxea, Leptoseris, Montipora, Mycedium, Platygyra, Pocillopora, Porites, Stylophora, and Turbinaria. Juvenile coral densities were low, at 0.55 and 0.88 colonies/m², indicating a very low coral recruitment category with Pocillopora being the most common. Spatial distribution, analyzed using the Morisita Index, showed a predominantly clumped arrangement (Ip>0), indicating non-random aggregation of juveniles. The results of this study highlight the significant impact of environmental stressors on juvenile coral communities and underscore the urgent need for targeted conservation efforts to support coral resilience and recovery.
Pendampingan Masyarakat: Inisiasi Kawasan Perlindungan Perairan Umum Darat “Badher Bank” Untuk Mendukung Pengelolaan Perikanan Berkelanjutan: Community Engagement in Initiating the “Badher Bank” Riverine Ecosystem Protection Area for Sustainable Fisheries Management Wahida Kartika Sari; Wirastika Adhihapsari; Almira Syawli; Lisa Nur Hidayah; Kristina Marsela; Vian Dedi Pratama
JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) VOL. 10 NOMOR 2 JULI 2026 JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat)
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/jppm.v10i2.29410

Abstract

Kawasan Perairan Umum Darat (PUD) Badher Bank yang terletak di segmen hulu–tengah Sungai Brantas, Kabupaten Blitar, mengalami tekanan antropogenik berupa penangkapan ikan destruktif, degradasi habitat, dan pencemaran perairan yang berdampak pada penurunan kualitas ekosistem sungai dan populasi ikan lokal. Sejak tahun 2015, masyarakat Desa Jemblung membentuk Kelompok Masyarakat Pengawas (Pokmaswas) Fajar Begawan dan melakukan berbagai upaya perlindungan ekosistem sungai, namun keterbatasan kapasitas teknis, media edukasi, dan pengelolaan wisata berbasis konservasi masih menjadi kendala. Kegiatan pengabdian kepada masyarakat ini bertujuan mendukung inisiasi dan penguatan kawasan perlindungan melalui pendekatan konservasi berbasis masyarakat. Metode pelaksanaan menggunakan pendekatan partisipatif dengan melibatkan anggota Pokmaswas. Kegiatan meliputi penyediaan poster identifikasi ikan lokal berbasis QR code, peta kawasan konservasi, pelatihan teknik dasar pengambilan sampel ikan, serta pelatihan pemandu wisata sungai berbasis edukasi konservasi. Hasil kegiatan menunjukkan peningkatan pemahaman masyarakat terhadap keanekaragaman ikan, fungsi kawasan konservasi, kemampuan dasar monitoring ikan, serta meningkatnya kapasitas Pokmaswas dan pemuda desa sebagai pemandu wisata edukatif. Selain itu, kegiatan ini menghasilkan 22 poster identifikasi ikan berbasis QR code, satu peta kawasan konservasi berskala 1:5.000, satu modul buku saku pemandu wisata, serta sertifikasi 12 orang pemandu wisata lokal (local guide) dari unsur Pokmaswas dan pemuda desa. Program ini memperkuat fondasi awal konservasi berbasis masyarakat di Badher Bank.
Co-Authors Abu Bakar Sambah, Abu Bakar Ade Yamindago ADI TIYA YANUAR AGITA DWI ROSMALIA PUTRI AGUS TUMULYADI Almira Syawli Almira Syawli Alren S. F. Irianto Ambar Fidyasari ANDIK ISDIANTO ANDIK ISDIANTO Andik Isdianto ARIEF SETYANTO ARIEF SETYANTO ARIEF SETYANTO AULIA LANUDIA FATHAH AULIA LANUDIA FATHAH Bambang Semedi BERLANIA MAHARDIKA PUTRI DADUK SETYAHADI Daduk Setyohadi Daduk Setyohadi DARMAWAN OCKTO SUTJIPTO DARMAWAN OKTO SUTJIPTO Desy Setyoningrum Dewa Gede Raka Wiadnya Dhea, Luthfia Ayu Dian Aliviyanti Dina Andriani DINI ATIKAWATI Djoko Lelono, Tri Eko S. Yulianto FENI IRANAWATI GATUT BINTORO GATUT BINTORO Gatut Bintoro Gilang Rusrita Aida Hidayah, Lisa Nur KRISTINA MARSELA Kristina Marsela Kusuma, Andre Laila Lanudia Fathah, Aulia Ledhyane Ika Harlyan LISA NUR HIDAYAH Lisa Nur Hidayah Mahardika Putri, Berlania Marsela, Kristina Meliani Sandia Pramesti MIHROBI KHALWATU RIHMI Mohammad Mahmudi MUHAMMAD ARIF ASADI MUHAMMAD FIKRI ARIEFANDI NOVAR KURNIA WARDANA Nur Hidayah, Lisa OKTIYAS MUZAKY LUTHFI Sari, Wahida Kartika Sentot Joko Raharjo Setyanto, Arif Setyawan, Fahreza Okta Shidqi, Mohammad Hafizh Sulkhani Yulianto, Eko Sunardi SUPRIYADI SUPRIYADI SUPRIYADI SUPRIYADI Sutjipto, Darmawan Octo SYAFRIAL YANUAR ISHAQ Tri D. Lelono TRI DJOKO LELONO TRI DJOKO LELONO TRI DJOKO LELONO TRI DJOKO LELONO Tri Djoko Lelono Tumulyadi, Agus Umi Zakiyah, Umi Vian Dedi Pratama WAHIDA KARTIKA SARI Wahida Kartika Sari