Article Penerapan Alat Tangkap Bubu pada Terumbu Buatan di Teluk Manado

Christi M W Kowaas; Patrice N.I. Kalangi; Unstain N. J. W. Rembet; Deiske A. Sumilat; Hariyani Sambali; Vivanda O. J. Modaso

doi:10.35800/jip.v14i2.68500

Authors

Christi M W Kowaas Program Studi Pemanfaatan Sumberdaya Perikanan
Patrice N.I. Kalangi officially affiliated with Sam Ratulangi University (UNSRAT) in Manado, North Sulawesi, Indonesia. He serves as an academic and researcher within the Faculty of Fisheries and Marine Science (FPIK), specifically under the Department of Fisheries Resources Utilization. Through this institutional affiliation, he conducts his research in oceanography, coastal dynamics, and sustainable fisheries technology. https://orcid.org/0000-0003-0909-2610
Unstain N. J. W. Rembet Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University, Manado https://orcid.org/0000-0002-2087-2098
Deiske A. Sumilat Universitas Sam Ratulangi https://orcid.org/0000-0001-9942-7001
Hariyani Sambali Universitas Sam Ratulangi
Vivanda O. J. Modaso Department of Fisheries Resources Utilization, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University https://orcid.org/0009-0009-2971-6508

DOI:

https://doi.org/10.35800/jip.v14i2.68500

Keywords:

combined trap, artificial reef, reef fish, diversity, sustainable fisheries

Abstract

Reef fish resources hold significant ecological and economic value, yet they are vulnerable to pressure from the use of unsustainable fishing gear. This study aims to analyze the effectiveness of a combined artificial reef fish trap compared to conventional traps in catching reef fish, as well as to evaluate the fish community structure based on diversity, evenness, and dominance indices. The research was conducted in the waters of Malalayang Satu, Manado Bay, in February 2026, employing an experimental method with two treatments: conventional traps and combined artificial reef traps. Observations were made on the number of species, number of individuals, and catch biomass. Data were analyzed using the Shannon-Wiener diversity index (H'), evenness index (E), and dominance index (C). The results showed that 16 fish species from 10 families were caught. Diversity values were categorized as moderate for both conventional traps (H' = 2.08) and combined traps (H' = 1.50), with low dominance indices across both treatments. Although the number of species caught in the combined traps was lower, this treatment yielded a higher number of individuals and biomass compared to conventional traps. The findings indicate that the combined artificial reef fish trap has the potential to enhance reef fish catch effectiveness and can be developed as an eco-friendly fishing gear alternative to support sustainable fisheries management in coastal areas.

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Author Biographies

Patrice N.I. Kalangi, officially affiliated with Sam Ratulangi University (UNSRAT) in Manado, North Sulawesi, Indonesia. He serves as an academic and researcher within the Faculty of Fisheries and Marine Science (FPIK), specifically under the Department of Fisheries Resources Utilization. Through this institutional affiliation, he conducts his research in oceanography, coastal dynamics, and sustainable fisheries technology.

Dr. Ir. Patrice Nelson Isaak Kalangi, M.Sc. is an academic, researcher, and expert in Oceanography and Fishing Technology at Sam Ratulangi University (UNSRAT), Manado. His research focuses on hydro-oceanography, coastal dynamics, and sustainable fisheries technology. Dr. Patrice actively publishes scientific papers and holds registered patents in marine water column measurement methods.
Unstain N. J. W. Rembet, Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University, Manado

Is a lecturer and researcher at the Faculty of Fisheries and Marine Sciences, Sam Ratulangi University (UNSRAT), Manado, Indonesia. His research interests and scientific publications focus on Coastal Management and Ecological Economics.
Deiske A. Sumilat, Universitas Sam Ratulangi

Is a lecturer and researcher at the Faculty of Fisheries and Marine Sciences, Sam Ratulangi University (UNSRAT), Manado, Indonesia. Her research interests and scientific publications focus on Marine Natural Products and bioactive substances from marine organisms. [1, 2, 3, 4]
Hariyani Sambali, Universitas Sam Ratulangi

Is a lecturer and researcher at the Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University (UNSRAT), Manado, Indonesia. Her research interests and scientific publications focus on aquaculture technology, aquatic ecology, and coastal area management.
Vivanda O. J. Modaso, Department of Fisheries Resources Utilization, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University

Is a lecturer and researcher at the Faculty of Fisheries and Marine Sciences, Sam Ratulangi University (UNSRAT), Manado, Indonesia. Her research interests and scientific publications focus on fishing technology, fishing vessels, and navigation methods

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