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JURNAL RISET DIWA BAHARI
Published by Institut Teknologi dan Bisnis Maritim Balik Diwa
ISSN : -     EISSN : 30323177     DOI : -
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology
Jurnal Riset Diwa Bahari merupakan jurnal yang diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa, Makassar. Jurnal Riset Diwa Bahari menerima naskah penelitian dan ulasan mengenai biologi kelautan, ekologi perairan, perikanan (budidaya ikan, penangkapan ikan, pengolahan, keanekaragaman spesies, alat tangkap), pencemaran udara, penginderaan jauh kelautan, mikrobiologi, bioteknologi, dan pengelolaan pesisir.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 67 Documents
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COMMUNITY STRUCTURE AND SEAWEED DENSITY ON BARRANG CADDI ISLAND, MAKASSAR CITY Suherman Suherman; Mesalina Tri Hidayani
Jurnal Riset Diwa Bahari (JRDB) Volume 4, Issue 1, 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v4i1.140

Abstract

Seaweed plays an essential ecological role in coastal ecosystems by providing habitat, primary productivity, and supporting marine biodiversity. Despite its ecological and economic importance, information regarding the community structure and density of seaweed in Barrang Caddi Island, Makassar City, remains limited. This study aimed to analyze the community structure, species density, and environmental conditions influencing seaweed distribution in the coastal waters of Barrang Caddi Island. The research was conducted from April to May 2025 at three sampling stations using a quantitative descriptive approach. Seaweed data were collected using the line transect–quadrat method (1 × 1 m quadrats along 50 m transects), while water quality parameters, including temperature, salinity, and pH, were measured in situ. Community structure was evaluated using the Shannon–Wiener diversity index (H'), Pielou's evenness index (E), Simpson's dominance index (C), and species density (individuals m⁻²). The results showed that the seaweed community exhibited moderate diversity (H' = 1.2456–1.2932), high evenness (E = 0.8985–0.9328), and moderate dominance (C = 0.2896–0.3156), indicating a relatively stable community structure. Species density varied among stations, with Caulerpa sp. (3.2 ind. m⁻²), Sargassum sp. (1.12 ind. m⁻²), and Turbinaria ornata (1.4 ind. m⁻²) representing the dominant species at Stations 1, 2, and 3, respectively. Water quality remained within suitable ranges for tropical seaweed growth, with temperatures of 27–29°C, salinity of 29–30 ppt, and pH of 8.07–8.46. These findings indicate that the coastal ecosystem of Barrang Caddi Island continues to support diverse and relatively stable seaweed communities. The study provides baseline ecological information that can support sustainable coastal management, biodiversity conservation, and future monitoring of macroalgal resources in the Spermonde Archipelago.
OCTOPUS (Octopus cyanea) CATCHING AREA USING HANDLING IN THE BARRANG CADDI ISLAND AREA USING REMOTE SENSING METHOD Hairullah Hairullah; Fathuddin Fathuddin; Muh. Ikhsan Idrus; Arnold Kabangnga
Jurnal Riset Diwa Bahari (JRDB) Volume 4, Issue 1, 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v4i1.141

Abstract

This study aimed to identify potential fishing grounds for the blue octopus (Octopus cyanea) around Barrang Caddi Island, Makassar City, by integrating field observations with remote sensing-based oceanographic parameters. A quantitative descriptive survey was employed by accompanying local fishermen during 21 fishing trips using handline (handline hook) gear. Geographic coordinates of fishing locations were recorded using a Global Positioning System (GPS), while satellite-derived sea surface temperature (SST), salinity, and chlorophyll-a concentration were obtained from Aqua MODIS and HYCOM datasets. Spatial analysis was performed using Geographic Information Systems (GIS) to delineate potential fishing zones based on the integration of catch distribution and environmental variables. The results revealed that potential fishing grounds were predominantly located in shallow coral reef habitats surrounding Barrang Lompo and Barrang Caddi Islands. Sea surface temperature averaged 29.24°C, salinity reached 30.8 PSU, and chlorophyll-a concentration ranged from 0.6 to 0.8 mg m⁻³, indicating environmentally favorable conditions for Octopus cyanea. Moderate-potential fishing zones occupied the largest spatial extent, whereas high-potential areas were concentrated near structurally complex coral reef ecosystems. These findings demonstrate that remote sensing provides an effective approach for identifying productive octopus fishing grounds and can support sustainable fisheries management, improve fishing efficiency, and provide scientific information for spatial planning and resource conservation in the Spermonde Archipelago.
ANALYSIS OF NUTRIENT REDUCTION IN MARINE IMTA CULTIVATION SYSTEMS WITH VARIOUS COMBINATIONS OF SPECIES Imelda Lembang; Heriansah Heriansah; Arnold Kabangnga; Frida Afilia
Jurnal Riset Diwa Bahari (JRDB) Volume 4, Issue 1, 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v4i1.142

Abstract

Integrated Multi-Trophic Aquaculture (IMTA) has emerged as an environmentally sustainable aquaculture approach by integrating organisms from different trophic levels to improve nutrient recycling efficiency. This study evaluated the effectiveness of various IMTA species combinations in reducing Total Ammonia Nitrogen (TAN), Dissolved Inorganic Nitrogen (DIN), and Dissolved Inorganic Phosphate (DIP) within marine culture systems. A completely randomized design with four treatments and three replications was employed, comprising P1 (Lates calcarifer), P2 (Lates calcarifer + Perna viridis), P3 (Lates calcarifer + Caulerpa lentillifera), and P4 (Lates calcarifer + Perna viridis + Caulerpa lentillifera). Water samples were collected every 15 days over a 45-day culture period and analyzed using UV–Visible spectrophotometry. Nutrient reduction efficiency was calculated for each treatment, while one-way Analysis of Variance (ANOVA) followed by Tukey's post hoc test was applied to determine significant differences among treatments. The results demonstrated that integrated culture systems consistently reduced nutrient accumulation more effectively than monoculture. The complete IMTA treatment (P4) exhibited the greatest capacity to regulate TAN, DIN, and DIP concentrations through complementary nutrient uptake by macroalgae and filtration by bivalves. ANOVA confirmed significant treatment effects on TAN (F = 6.24, p = 0.021), DIN (F = 5.87, p = 0.016), and DIP (F = 5.21, p = 0.021). These findings demonstrate that integrating Lates calcarifer, Perna viridis, and Caulerpa lentillifera substantially enhances nutrient recycling efficiency, improves water quality, and provides an ecologically sustainable strategy for tropical marine aquaculture.
MORPHOMETRIC CHARACTERISTICS OF THE STONE OCTOPUS (Octopus cyanea) LANDED ON BARRANG CADDI ISLAND MAKASSAR CITY Yuliana Arjun; Mesalina Tri Hidayani; Faturahman Attahrir; Yuliana Putri
Jurnal Riset Diwa Bahari (JRDB) Volume 4, Issue 1, 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v4i1.150

Abstract

The stones octopus (Octopus cyanea) fishery is a prime export commodity for Indonesia; however, high exploitation pressure in the absence of stringent regulations on Barrang Caddi Island threatens the sustainability of its wild stocks. This study aims to analyze the morphometric characteristics of O. cyanea landed on Barrang Caddi Island. Specimens were collected from the catches of traditional fishers from December 2025 to January 2026 across eight sampling sessions. Body length dimensions were measured using a measuring tape with an accuracy of 0.1 cm across four primary parameters: total length, mantle length, mantle width, and arm length. Data were evaluated through a comparative statistical approach using an Independent Samples t-test (α = 0.05) to analyze morphometric variations between sexes. The results indicated that the morphometric characteristics of the stone octopus are generally monomorphic (p > 0.05), with a total length range of 59.6–62.6 cm and a mantle length range of 10.4–10.5 cm. Significant variations between sexes were exclusively identified in arm length (p < 0.05), where females exhibited longer arms (53.0±9.3 cm) as a functional adaptation for egg protection (brooding behavior). The catch was dominated by the 10 cm mantle size class, which is heavily influenced by gear selectivity (pocong-pocong and bole-bole), the West Monsoon season, and high fishing pressure driven by the island’s geographical proximity to the mainland. This truncated size structure indicates an early warning of growth overfishing. Therefore, these morphometric data are highly critical as a scientific baseline to design site-specific fisheries management frameworks, such as establishing minimum legal size limits, in the Spermonde Archipelago
Community-Based Fisheries Management: A Systematic Literature Review Suprianto Suprianto; Umar Iskandar; Muh. Ersyad Indra Praja; Nur Mutmainna; Andi Fitriana; Resky Aprilia Farna HP
Jurnal Riset Diwa Bahari (JRDB) Volume 1, Nomor 2, 2023
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v1i2.156

Abstract

Community-Based Fisheries Management (CBFM) has emerged as a widely adopted governance approach to promote sustainable fisheries, biodiversity conservation, and the socioeconomic well-being of coastal communities. Despite the growing body of literature on CBFM, a comprehensive synthesis of its development, dominant research themes, and future directions remains limited. This study aims to systematically review global research on Community-Based Fisheries Management by identifying publication trends, thematic evolution, governance approaches, implementation challenges, and emerging research opportunities. The review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to ensure a transparent and rigorous article selection process. Relevant publications were retrieved exclusively from the Scopus database using predefined search criteria and analyzed through descriptive and bibliometric techniques. Bibliometric mapping was conducted using VOSviewer to visualize keyword co-occurrence, collaboration networks, and thematic clusters. The findings reveal a substantial increase in scholarly attention to CBFM over the last decade, with research concentrating on co-management, stakeholder participation, fisheries governance, marine conservation, livelihood sustainability, and adaptive resource management. Recent studies increasingly integrate climate change adaptation, ecosystem-based management, blue economy strategies, and social-ecological resilience into community-based fisheries governance. Nevertheless, persistent challenges remain, including institutional capacity, unequal stakeholder participation, policy fragmentation, limited financial resources, and conflicts over marine resource use. This review provides a comprehensive overview of the intellectual structure and evolution of Community-Based Fisheries Management research while identifying critical knowledge gaps and future research priorities. The findings contribute to the advancement of sustainable fisheries governance and offer valuable insights for researchers, policymakers, and practitioners seeking to strengthen community-centered approaches to marine resource management.
Marine Debris Governance: Global Research Trends Muh. Ersyad Indra Praja; Ahmad Suryadi; Suprianto Suprianto; A. Alifka Ramadhana; Nurfadillah Nurfadillah; Tri Nurfadilla
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 2, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i2.157

Abstract

Marine debris has become one of the most pressing global environmental challenges, threatening marine ecosystems, biodiversity, coastal livelihoods, and human well-being. In response, governance approaches have evolved to address the complexity of marine debris through integrated policies, multi-stakeholder collaboration, and sustainable resource management. Despite the rapid growth of research in this field, a comprehensive synthesis of its intellectual development and emerging trends remains limited. This study aims to examine global research trends on marine debris governance through a Systematic Literature Review with Bibliometric Analysis. Relevant publications were retrieved exclusively from the Scopus database using predefined search criteria and systematically screened following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Descriptive bibliometric analysis was employed to identify publication trends, leading journals, countries, institutions, and influential authors, while VOSviewer was used to visualize keyword co-occurrence, collaboration networks, and thematic evolution. The findings indicate a substantial increase in scholarly attention to marine debris governance over the past decade, with dominant research themes including marine plastic pollution, waste management, circular economy, environmental policy, stakeholder collaboration, and coastal governance. Emerging topics such as blue economy, ecosystem-based management, citizen science, and environmental justice demonstrate the evolving interdisciplinary nature of the field. Nevertheless, significant research gaps remain regarding policy integration, governance effectiveness, transboundary cooperation, and the implementation of sustainable marine waste management strategies. This review provides a comprehensive overview of the knowledge structure and development of marine debris governance research while identifying future research priorities to support evidence-based policymaking and sustainable ocean governance.
Social Capital in Coastal Community Development: A Bibliometric Analysis Suprianto Suprianto; Rahmat J Rahmat J; Muh. Ersyad Indra Praja; Yusran Yusran; Tri Nurfadilla; Ananda Febrina Awalia
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.158

Abstract

Social capital has become an essential foundation for strengthening sustainable coastal community development by fostering collective action, trust, social networks, and collaborative governance. As coastal communities increasingly confront environmental degradation, climate change, resource depletion, and socioeconomic vulnerability, research on the role of social capital has expanded significantly across multiple disciplines. However, the intellectual landscape and thematic evolution of this research remain insufficiently synthesized. This study aims to analyze global research trends on social capital in coastal community development through a bibliometric analysis of publications indexed in the Scopus database from 2016 to 2023. A comprehensive search strategy was employed to retrieve relevant publications, which were subsequently analyzed using descriptive bibliometric techniques. Publication trends, leading journals, authors, countries, institutions, and subject areas were examined to characterize the development of the field. Furthermore, VOSviewer was utilized to visualize keyword co-occurrence, co-authorship networks, and thematic clusters, providing insights into the intellectual structure and emerging research directions. The results indicate a consistent increase in scientific publications during the study period, reflecting growing scholarly interest in the contribution of social capital to participatory governance, community empowerment, sustainable livelihoods, coastal resource management, and disaster resilience. Recent studies have increasingly incorporated themes related to climate adaptation, blue economy, ecosystem-based management, and social resilience, demonstrating the interdisciplinary expansion of the field. Nevertheless, important research gaps remain concerning comparative cross-regional analyses, the measurement of social capital in coastal settings, and its long-term influence on sustainable development outcomes. This bibliometric analysis provides a comprehensive overview of the evolution of research on social capital in coastal community development and identifies promising directions for future studies to support evidence-based policies and sustainable coastal governance.

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