Vol. 14 No. 1 (2026): ISSUE JANUARY-JUNE 2026

DOI: https://doi.org/10.35800/jip.v14i1

Published: 2026-02-05

Original Research Article

The length-weight relationship of the bigeye scad (Selar crumenophthalmus) captured by purseseiner from FMA 716 of North Sulawesi seawaters: A comparative study of the target species sizes on May and August 2022

Effendi P. Sitanggang, Johnny Budiman, Dyan F. D. Sitanggang, Anneke V. Lohoo, Flora P. Kalalo

1-17
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Spatial Analysis of Shallow Sea Benthic Habitats Based on Sentinel-2A Imagery in the Southern Waters of Manado Bay

Kevin Putra Antou, Ari B. Rondonuwu, Unstain N. W. J. Rembet, Vivanda O. J. Modaso, Lusia Manu, Kurniati Kemer

18-33
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Coral and Reef Fish Biodiversity in the Waters of Bangka Island, North Sulawesi

Rose O. S. E. Mantiri, Andarum Septianto, Moh. Ridwan, Putu Ayu Suputri, Thania Theresia Podung, Vennda Uno Kalmareuro, Deiske A. Sumilat

34-45
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Analysis of the Role of Seagrass Biodiversity in Supporting the Conservation of Marine Ecosystems in the Nias Islands, North Sumatra

Nistiarni Zebua, Ratna Dewi Zebua, Betzy V. Telaumbanua, Destriman Laoli, Januari Dawolo, Okniel Zebua

46-59
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Optimization of Initial Weight and Depth in Vertical Culture of Caulerpa lentillifera Using Monofilament Nylon Rope

Edwin L. A. Ngangi, M.Si, Adnan S. Wantasen, Sammy N. J. Longdong, Unstain N.W.J. Rembet, Joppy D. Mudeng

60-69
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Analysis of the Role and Contribution of Coastal Women to Family Income in Talise Village, West Likupang District, North Minahasa Regency

Grace O. Tambani, Jety K. Rangan, Olvie Vanda Kotambunan

70-75
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Effect of Probiotic Lactobacillus Sp. Dosage on Growth and Survival of Vannamei Shrimp (Litopenaeus vannamei)

Nurain Rajak, Hasim, Arafik Lamadi, Mita Alvionita

76-84
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Architectural and Infrastructure Intervention Priorities for Community Based Ecotourism Villages Using A 4a Moora Model: North Sulawesi, Indonesia

Leidy Magrid Rompas, Mizik Tamas

85-94
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AI Capabilities as Mediators in Marketing Innovation: A Cross-Cultural Study of Technology Features and User Engagement Among Generation Z in Indonesia and Hungary

Ferdy Roring, Peter Nagy, Johan Reineer Tumiwa, Adrian Nagy, Franda Benedicta Paat

95-104
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Integrated Ecological and Socio-Economic Assessment for Sustainable Marine Ecotourism Development in Lihaga Island: An Ecosystem Service-Based Approach

Indri Shelovita Manembu, Noldy G.F. Mamangkey, Hermanto W.K. Manengkey, Unstain N.W.J. Rembet, Ari B. Rondonuwu

105-116
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Preliminary Study on the Reproduction of Three Rabbitfish Species (Siganidae) in Sopura Bay, Kolaka Regency

Muhammad Gazali, M Din Hamdan Sanjaya, Juhardin , Melati Octapian Simanjuntak

117-127
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Unmasking The Hidden Costs of Ecotourism: A Green Accounting Decision Support System Using Spatial Macro-Tourist Data

Octavia D. M. Tuegeh, Adrian Szilard Nagy, Franda Benedicta Paat

128-135
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Identification of the types and characteristics of marine debris in Manado Bay, North Sulawesi Province

Meita Jeane Wini Lepar, James Tumbal, Conny M. Mandagi, Tartius Timpal, Nicolaas H. Mait, Vonny O. Rompas, Timothy Undap, Janny D. Kusen

136-148
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Integration of Agisoft Metashape and eCognition for Mapping Mangrove Ecosystems and Benthic Habitats Using UAV Technology

Adnan S. Wantasen, Wilmy E. Pelle, Alex. D. Kambey, Ari B. Rondonuwu, Xavier L. Tamu'u, Unstain N. W. J. Rembet

149-158
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PKM Empowerment of Sunday School Teachers of the Holy Path Evangelical Church (GPIJS) Bitung City, North Sulawesi Province Through Fish Processing Diversification Activities

Verly Dotulong, Lena J. Damongilala, Helen J. Lohoo

160-167
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Feasibility of Mangrove Ecosystems in Improving Coastal Community Economies in Boalemo Regency

Erlansyah, Yulinda R. Antu

168-177
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Sustainable Supply Chain Strategies to Enhance the Global Competitiveness of Clove Commodities in North Sulawesi

Indrie Debbie Palandeng, Maria V. J. Tielung, Shinta Jeanette C. Wangke , Ferdinand J. Tumewu, Johan Reineer Tumiwa

178-212
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Big Data Analytics with Blockchain Technology for Understanding Tourist Preferences in Ecotourism

Imelda W. J. Ogi, Harley A. B. Mangindaan, Merinda H. C. Pandowo, Christofell Mardy O. Mintardjo, Jacline I. Sumual, Franda Benedicta Paat, Octavia D. M. Tuegeh

213-226
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Agricultural Food Supply Chain Robustness and Environmental Health: The Roles of Collaboration, Flexibility, And Agility

Shinta Jeanette C. Wangke, Johan Reineer Tumiwa, Octavia Diana Monica Tuegeh, Franda Benedicta Paat

227-239
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Mapping the Potential and Distribution of Ecotourism on Ambon Island, Maluku, Indonesia

Fredy Leiwakabessy, Muhammad Tarmizi Kubangun, Eifan Boyke Pattiasina

240-251
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Water Quality Analysis Seen from Macrobenthos (Gastropoda) Bioindicators in the Coastal Waters of Kotania Hamlet

Ine Arini, Alwi Smith, Eifan Boyke Pattiasina

252-264
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Effectiveness of Organic Transport Media on Induction Time, Sedation Time, Survival, and Molting of Cherax quadricarinatus

Moh. Fauzan Tagema, Mulis, Juliana

230-236
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Spatial Analysis of Mangrove Area and Density Based On Geografis Information System in Kayu Arang Village, West Bangka Regency

Irma Akhrianti, Andi Gustomi, Ajeng Herdianingsih

237-251
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Effects of Tidal Dynamics on the Variation of Physicochemical Parameters in Bitung Port Waters

Putu Ayu Suputri, Natalie Detty C. Rumampuk, Deiske A. Sumilat, Wilmy E. Pelle, Grevo S. Gerung, Putu Deny Darmawan, Burhan Niode

252-263
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Identification and Modeling of Illegal Fishing Violations in WPPNRI 715 Using Vessel Monitoring System Data

Teddy Feky Paulus, Lefrand Manoppo, Patrice Nelson I Kalangi, Deiske A. Sumilat, Joshian Nicolas William Schaduw, Johnny Budiman, Juliet Merry Eva Mamahit

264-277
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Stock Status for Sustainable Management of Small Pelagic Fish Targeted in Minahasa Peninsula Waters

Anneke V. Lohoo, Fanny Silloy, Effendie Panghutan Sitanggang

278-283
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Evaluation of Ecosystem-Based Small Pelagic Fisheries Management in Fish Resources Domains in North Sulawesi Waters as a Blue Economy Implementation

Ridwan Lasabuda, Billy Theodrus Wagey, Khristin I.F Kondoy

284-294
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Evaluation of Biosecurity-Based Oversight of Fishery Product Movements at the North Sulawesi Animal, Fish, and Plant Quarantine Office, Indonesia (2020-2025)

Steven Manoppo, Deiske Adeliene Sumilat, Natalie D.C. Rumampuk, Veibe Warouw, Indry S. Manembu, Christine L. Salaki

295-305
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Organizational Work Environmental Health and Employee Work Morale: The Role of Organizational Citizenship Behavior, Physical Work Environment, and Diagonal Communication

Genita Gracia Lumintang, Maria V. J. Tielung, Mac Donald B. Walangitan

306-315
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Supply Chain Resilience and Competitive Advantage in Fish-Processing Firms: Digital Technology as a Mediating Capability from an Environmental Health Perspective

Merlyn Mourah Karuntu, Arrazi Bin Hasan Jan, Jane Grace Poluan

316-324
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Effectiveness Gamal Leaf Flour (Gliricidia sipium) on the Growth of Red Tilapia (Oreochromis sp.)

sri windiyati u. amati, Sutianto Pratama Suherman, Indra G. Ahmad

325-334
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Community Structure of Mollusks in the Coastal Area of Eduwisata Bahari Bitung City North Sulawesi

Rose O. S. E Mantiri, Reny Sirenden, Jendra Rompis, Teddy F. Paulus, Grevo S. Gerung, Deiske A. Sumilat

335-345
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Composition of Fish Species in The Seagrass Ecosystem at Wawontulap Beach South Minahasa

Rose O. S. E Mantiri, Putu D. Darmawan, Adista D. Pramassetya, Grevo S. Gerung, Deiske A. Sumilat

346-353
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Implementation of Total Quality Management for Improving Marine Tourism Destination Quality and Environmental Health at Pantai Pall, North Minahasa Regency, Indonesia

Jessy Jousina Pondaag, Mauna Th. B. Maramis, Genita Gracia Lumintang

354-366
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Seawater Quality and Water Quality Status as Indicators of Environmental Readiness towards an Ecofishing Port at Bitung Ocean Fishing Port

Reny Sirenden, Suzanne L. Undap, Joshian N.W. Schaduw, Rose O.S.E Mantiri, Indri Shelovita Manembu, Oktavian A. Lantang, Deiske A. Sumilat

367-377
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