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All Journal AQUATIC SCIENCE & MANAGEMENT JURNAL PESISIR DAN LAUT TROPIS JURNAL ILMIAH PLATAX ILMU KELAUTAN: Indonesian Journal of Marine Sciences Journal of Indonesian Tourism and Development Studies JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI JURNAL PENDIDIKAN TAMBUSAI Juvenil: Jurnal Ilmiah Kelautan dan Perikanan AGRI-SOSIOEKONOMI Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Rene Charles Kepel, Rene Charles
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Social Sciences

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Seagrass Community Structure in Mangket Beach Water, Kema District, North Minahasa Regency Wakkary, Paramitha G.; Mandagi, Stephanus V.; Kondoy, Khristin I. F.; Kepel, Rene Ch.; Menajang, Febry S. I.; Rangan, Jety
Jurnal Ilmiah Platax Vol. 12 No. 1 (2024): ISSUE JANUARY-JUNE 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v12i1.50365

Abstract

The purpose of this study was to determine the types of seagrasses, density, relative density, frequency, diversity index, dominance index, and environmental factors in Mangket coastal waters. This research method is the quadratic and line transect. This research was conducted in the waters of Mangket Beach, Kema District, North Minahasa Regency on November 27, 2022. There were 3 species of seagrass found in Mangket Beach waters, namely, Cymodocea rotundata, Cymodocea serrullata, and Enhalus acoroides. The number of seagrass species stands at the study site ranged from 105-814 individuals, species density (4.38-33.92 individuals/m2), relative density (6.54-50.72%), frequency of presence (1.67-4 .00), relative frequency (17.24-41.38%), diversity index H'= (0.38) and dominance index (0.004-0.26). The environmental conditions in the waters are temperature 29.5°C, salinity 32‰, and sandy and sandy mud substrates. Keywords: Mangket Beach, seagrasses, community structures. Abstrak Tujuan penelitian ini adalah untuk mengetahui Struktur Komunitas Lamun meliputi jenis-jenis lamun, kepadatan, kepadatan relatif, frekuensi, frekuensi relatif, indeks keanekaragaman, indeks dominasi dan faktor lingkungan perairan pantai Mangket. Metode penelitian ini adalah kuadrat dan line transek. Penelitian ini dilaksanakan di perairan Pantai Mangket Kecamatan Kema Kabupaten Minahasa Utara pada tanggal 27 November 2022. Spesies lamun yang ditemukan di perairan Pantai Mangket berjumlah 3 yaitu, Cymodocea rotundata, Cymodocea serrullata dan Enhalus acoroides. Jumlah tegakan spesies lamun di lokasi penelitian berkisar dari 105-814 individu, kepadatan spesies (4,38-33,92 individu/m2), kepadatan relatif (6,54-50,72%), frekuensi kehadiran (1,67-4,00), frekuensi relatif (17,24-41,38%), indeks keanekaragaman H’= (0,38) dan indeks dominasi (0,004-0,26). Kondisi lingkungan di perairan yakni suhu 29,5°C, salinitas 32‰, substrat lumpur berpasir dan berpasir. Kata Kunci: Pantai Mangket, lamun, struktur komunitas.
Morphology and Anatomy of Macroalgae Community in Rap Rap Coastal Waters, Tongkaina Village, Manado City Rafii, Keken Angliyana; Kepel, Rene Ch.; Kondoy, Khristin F I.; Mandagi, Stephanus V.; Tombokan, John L.; Lohoo, Anneke V.
Jurnal Ilmiah Platax Vol. 12 No. 1 (2024): ISSUE JANUARY-JUNE 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v12i1.52140

Abstract

Macroalgae are low-level plants that generally grow attached to certain substrates such as corals, mud, sand, rocks, and other hard objects. Macroalgae are algae that have a macroscopic body shape and size. A community is a group of beings living together in the same place. Thus the macroalgae community is a group of lower plants that have macroscopic body sizes living together. The coastal area of Rap-Rap Beach is located in Tongkaina Village, Manado City, North Sulawesi Province. This location is one of the stable macroalgae habitats, meaning that there is still little habitat damage that occurs, so macroalgae can still be obtained directly from nature. This coast is also known as mangrove ecotourism and the path to Bunaken Island. The purpose of this study is to describe the morphology and anatomy of each macroalgae species. Data collection using the Line Transect method with a squared sampling technique was carried out at the lowest low tide. Temperature measurement using a thermometer and salinity using a refractometer, and for determination of substrate visually see the type of substrate. Keywords: morphology, anatomy, community, macroalgae, Rap Rap. Abstrak Makroalga merupakan tumbuhan tingkat rendah yang umumnya tumbuh melekat pada substrat tertentu seperti pada karang, lumpur, pasir, batu dan benda keras lainnya. Makroalga yaitu alga yang memiliki bentuk dan ukuran tubuh makroskopik. Komunitas adalah kelompok makhluk yang hidup secara bersama-sama dalam suatu tempat yang bersamaan. Dengan demikian komunitas makroalga adalah kelompok tumbuhan rendah yang memiliki ukuran tubuh makroskopik yang hidup bersamaan. Wilayah pesisir Pantai Rap-Rap terletak di Kelurahan Tongkaina, Kota Manado, Provinsi Sulawesi Utara. Lokasi ini merupakan salah satu habitat makroalga yang stabil artinya masih sedikit kerusakan habitat yang terjadi, sehingga makroalga masih dapat diperoleh secara langsung dari alam. Pesisir ini juga dikenal sebagai ekowisata mangrove dan jalur ke Pulau Bunaken. Tujuan penelitian ini adalah mendeskripsikan morfologi dan anatomi masing-masing spesies makroalga. Pengambilan data menggunakan metode Line Transect dengan teknik sampling kuadrat yang dilakukan pada saat surut terendah. Pengukuran suhu menggunakan Thermometer dan salinitas menggunakan Refraktometer, dan untuk penentuan substrat dilihat secara visual jenis dari substrat tersebut. Kata kunci: morfologi, anatomi, komunitas, makroalga, Rap Rap.
Plankton Community Structure In Halmahera Barat Coastal Zone Tamrin; Joshian Nicolas William Schaduw; Haryani Sambali; Adnan Sjaltout Wantasen; Desy Maria Helena Mantiri; Rene Charles Kepel; Winda Mercedes Mingkid; Ockstan Jurike Kalesaran; Nurhalis Wahidin; Muhammad Aris
Jurnal Ilmiah Platax Vol. 12 No. 1 (2024): ISSUE JANUARY-JUNE 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v12i1.53407

Abstract

Research on plankton organisms in supporting aquatic resource management is very important to do. This study aims to see the structure of the plankton community in the coastal waters of West Halmahera Regency. There were 9 sampling sites, namely the waters of Toniku (TO), Tewe (TW), Dodinga (DG), Tuada (TU), Porniti (PR), Payo (PA), Bobo (BO), Sahu (SH), and Ibu (IB). Plankton observations used the Census-SRC method. The parameters observed were abundance, diversity index, uniformity index, and dominance index. The results showed that the highest phytoplankton abundance was found in the TO area, namely 1.7 x 107 cells/m3 and the lowest was 4.1 x 106 cells/m3 in the PR area. The highest phytoplankton diversity index was found in the PR area, namely 2.075 and the lowest was 1.429 in the IB area. The highest uniformity index of phytoplankton was found in the PR area, namely 0.901 and the lowest was 0.624 in the BO and DG areas. The highest phytoplankton dominance index was found in the IB area, namely 0.350 and the lowest was 0.138 in the PR area. The highest zooplankton abundance was found in the DG area at 2.0 x 106 cells/m3 and the lowest was 3.3 x 105 cells/m3 in the IB area. The highest zooplankton diversity index was found in the TU area, namely 1.981 and the lowest was 1.516 in the IB area. The highest uniformity index of zooplankton was found in the IB area, namely 0.942 and the lowest was 0.761 in the DG area. The highest zooplankton dominance index was found in the BO area, namely 0.266 and the lowest was 0.167 in the TU area. The conclusion of this study revealed that the most common type of plankton found was Bacillariophyceae. While the diversity value shows moderate diversity, the uniformity value shows a high level of uniformity, and the dominance value shows low-moderate dominance. Keywords: Diversity index; Uniformity index; Dominance index; Abundance; Plankton Abstrak Penelitian tentang organisme plankton dalam mendukung pengelolaan sumberdaya perairan sangat penting untuk dilakukan. Penelitian ini bertujuan melihat struktur komunitas plankton perairan kawasan pesisir Kabupaten Halmahera Barat. Terdapat 9 lokasi sampling, yaitu perairan Toniku (TO), Tewe (TW), Dodinga (DG), Tuada (TU), Porniti (PR), Payo (PA), Bobo (BO), Sahu (SH), dan Ibu (IB). Pengamatan plankton menggunkan metode Sensus-SRC. Parameter yang diamati adalah kelimpahan, indeks keragaman, indeks keseragaman, dan indeks dominansi. Hasil penelitian menunjukan kelimpahan fitoplankton tertinggi terdapat di kawasan TO yaitu 1,7 x 107 Sel/m3 dan terendah 4,1 x 106 Sel/m3 di kawasan PR. Indeks keragaman fitoplankton tertinggi terdapat di kawasan PR yaitu 2,075 dan terendah 1,429 di kawasan IB. Indeks keseragaman tertinggi fitoplankton terdapat di kawasan PR yaitu 0,901 dan terendah 0,624 di kawasan BO dan DG. Semetara indeks dominansi fitoplankton tertinggi terdapat di kawasan IB yaitu 0,350 dan terendah 0,138 di kawasan PR. Kelimpahan zooplankton tertinggi terdapat di kawasan DG yaitu 2,0 x 106 Sel/m3 dan terendah 3,3 x 105 Sel/m3 di kawasan IB. Indeks keragaman zooplankton tertinggi terdapat di kawasan TU yaitu 1,981 dan terendah 1,516 di kawasan IB. Indeks keseragaman tertinggi zooplankton terdapat di kawasan IB yaitu 0,942 dan terendah 0,761 di kawasan DG. Semetara indeks dominansi zooplankton tertinggi terdapat di kawasan BO yaitu 0,266 dan terendah 0,167 di kawasan TU. Kesimpulan penelitian ini mengungkapkan jenis plankton yang paling banyak ditemukan adalah Bacillariophyceae. Sementara nilai keragaman menunjukkan karagaman sedang, nilai keseragaman menunjukkan tingkat kesergaman tinggi, dan nilai dominasi menunjukkan dominansi rendah – sedang. Kata kunci: Indeks keragaman; Indeks keseragaman; Indeks dominansi; Kelimpahan; Plankton.
Morphometric study of Seagrass Enhalus acoroides (Linnaeus f.) Royle, 1839 in Coastal Waters of Budo Village Leslida, Ayu; Kepel, Rene Ch.; Menajang, Febry S. I.; Kondoy, Khristin F I.; Lumingas, Lawrence J. L.; Mantiri, Rose O. S. E.
Jurnal Ilmiah Platax Vol. 12 No. 2 (2024): ISSUE JULY-DECEMBER 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v12i2.54481

Abstract

This research concerns the morphometry of seagrass E. acoroides (Linnaeus) Royle in 1839 in the coastal waters of Budo Village, Wori District, North Minahasa Regency. The existence of seagrass ecosystems in coastal waters is so important that it is necessary to carry out morphometric studies of seagrass, both for scientific purposes and for the sake of knowledge about seagrass itself. This research aims to describe the morphometrics of E. acoroides seagrass on the coast of Budo Village, Wori District, North Minahasa Regency, to compare the morphometrics of E. acoroides seagrass based on sampling stations, and to determine the condition of the aquatic environment (temperature, salinity, pH, substrate). The research location was divided into 3 sampling stations, namely the first mangrove area with 20 individuals, the second seagrass area with 30 individuals, and the third coral reef area with 10 individuals. The sampling process is carried out using a roaming survey method, the sample is washed and put into a plastic sample which will then be measured. The results statistically show that E. acoroides species in the coastal waters of Budo Village at three stations show significant differences in morphometric size, where station three is smaller than stations one and two. Environmental conditions and existing environmental parameters cause this. The condition of the environmental parameters at the three stations is still within safe limits, so it is still good for seagrass growth. Keywords: Seagrass, Enhalus acoroides, Morphometrics, Budo Village Abstrak Penelitian ini mengenai Morfometrik Lamun E. acoroides (Linneaus f.) Royle, 1839 di Perairan Pesisir Desa Budo, Kecamatan Wori, Kabupaten Minahasa Utara. Keberadaan ekosistem lamun di perairan pantai ini sangat penting sehingga perlu adanya kajian mengenai morfometrik lamun, baik untuk kepentingan ilmiah maupun untuk kepentingan pengetahuan tentang lamun itu sendiri. Adapun tujuan dari penelitian ini yaitu Mendeskripsikan morfometrik dari lamun E. acoroides di pesisir pantai Desa Budo, Kecamatan Wori, Kabupaten Minahasa Utara, Membandingkan morfometrik lamun E. acoroides berdasarkan stasiun pengambilan sampel,dan Mengetahui kondisi lingkungan perairan (suhu, salinitas, pH, substrat). Lokasi penelitian dibagi 3 stasiun untuk pengambilan sampel yaitu stasiun satu daerah mangrove dengan mengambil 20 individu, stasiun dua daerah lamun 30 individu, dan stasiun tiga daerah terumbu karang dengan mengambil 10 individu. Proses pengambilan sampel dilakukan dengan metode survei jelajah, sampel dicuci dan dimasukkan ke dalam plastik sampel yang kemudian akan diukur. Hasil yang diperoleh secara statistik bahwa spesies Enhalus acoroides di Pesisir Pantai Desa Budo pada tiga stasiun terlihat ada perbedaan nyata untuk ukuran morfometriknya, dimana stasiun tiga ukurannya lebih kecil dibanding stasiun satu dan dua. Hal ini karena kondisi lingkungan dan parameter lingkungan yang ada. Kondisi parameter lingkungan pada tiga stasiun masih dalam batas aman dimana masih baik untuk pertumbuhan lamun. Kata Kunci : Lamun, Morfometrik, Enhalus acoroides, Desa Budo
Analisis Faktor-Faktor Yang Mempengaruhi Perilaku Kepatuhan Masyarakat Penerima Sertipikat Ptsl “Non PBB” Terhadap Pembayaran Pajak Bumi Dan Bangunan Di Kelurahan Girian Indah Tawaluyan, Marthen Hansen; Katiandago, Theodora Maulina; Kepel, Rene Charles
AGRI-SOSIOEKONOMI Vol. 19 No. 1 (2023): Agri-Sosioekonomi
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.194 KB) | DOI: 10.35791/agrsosek.v19i1.46894

Abstract

This research aims to analyzed the factors that affected the compliance behavior of the PTSL certificate recipients that have not who are not yet compliant in fulfilling their responsibility in paying property tax. This research was conducted in July till September 2022. The research method used in this research is Quantitative research. The results of the hypothesis by using the multiple regression linear formula showed that 1) The understanding regarding taxation does not significantly affected the compliance of PTSL certificate recipients in paying property tax in Girian Indah. Whether the people of Girian Indah understand about taxation does not causing meaningful impact for them to comply; 2) The awareness of paying taxes has a positive and significant impact to the PTSL certificate recipients compliance in paying property tax in Girian Indah. The higher the awareness of the taxpayer the higher the compliance of the people to pay their property tax; 3) Income has positive and significant effect to the compliance behavior of the PTSL certificate recipients in paying their property tax in Girian Indah. The higher the income of the taxpayer the higher the obedience of the people of Girian Indah to pay their property tax; 4) The quality of service has a positive and significant impact to the compliance behavior of the PTSL certificate recipients to pay their property tax in Girian Indah. The better the service provided by the tax officer, the higher the level of taxpayer compliance in paying property tax; 5) tax sanctions have a positive and significant effect on the compliance of PTSL certificate recipients in paying property tax in Girian Indah. The higher the tax sanctions given to taxpayers, the more obedient taxpayers will be in paying property tax.
Community Structure of Macroalgae in the Coastal Waters of Tiwoho Village, Wori District, North Minahasa Regency Iyanleba, Jonathan Yohanes; Kepel, Rene Ch.; Tombokan, John Leonard; Kondoy, Khristin F. I.; Mandagi, Stephanus Vianny; Kambey, Alex D.
Jurnal Ilmiah Platax Vol. 13 No. 1 (2025): ISSUE JANUARY-JUNE 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v13i1.60693

Abstract

The purpose of this study is to describe the morphology and anatomy of each macroalgae species and to analyze the community structure of macroalgae from the study location. Data collection was carried out using the Line Transect method with quadrat sampling techniques conducted at the lowest tide. Temperature measurement was done using a thermometer and salinity using a refractometer, while substrate determination was visually assessed based on the type of substrate. The results of this study found 7 species, consisting of 1 species of red algae, 4 species of brown algae, and 2 species of green algae. The morphology of these algae types varies with different anatomies based on cross and longitudinal sections of each part of the algal thallus. The highest species density was Turbinaria ornata (transect 1), while the lowest density was Halimeda opuntia and Sargassum polycystum (transect 1), Turbinaria ornata (transect 2 and transect 3). The macroalgae diversity index values on the three transects were in the medium category. The species evenness index values on the three transects were stable. The species richness index values on the three transects were in the low category. The dominance index values on the three transects were in the low category. Keywords: Macroalgae, Community, Transect, Quadrat, Tiwoho. Abstrak Tujuan penelitian ini adalah mendeskripsikan morfologi dan anatomi masing-masing spesies makroalga, dan menganalisis stuktur komunitas makroalga dari lokasi penelitian. Pengambilan data menggunakan metode Line Transect dengan teknik sampling kuadrat yang dilakukan pada saat surut terendah. Pengukuran suhu menggunakan Termometer dan salinitas menggunakan Refraktometer, dan untuk penentuan substrat dilihat secara visual jenis dari substrat tersebut. Hasil penelitian ini ditemukan 7 spesies yang terdiri dari 1 spesies alga merah, 4 spesies alga coklat dan 2 spesies alga hijau. Morfologi jenis-jenis alga tersebut beragam dengan anatomi yang berbeda berdasarkan potongan melintang dan memanjang dari masing-masing bagian thallus alga. Kepadatan spesies tertinggi yaitu Turbinaria ornata (transek 1) sedangkan kepadatan terendah yaitu Halimeda opuntia dan Sargassum polycystum (transek 1), Turbinaria ornata (transek 2 dan transek 3). Nilai indeks keanekaragaman makroalga pada ketiga transek termasuk dalam kategori sedang. Nilai indeks kemerataan jenis pada ketiga transek termasuk dalam keadaan stabil. Nilai indeks kekayaan jenis pada ketiga transek termasuk dalam kategori rendah. Nilai indeks dominasi pada ketiga transek termasuk dalam kategori rendah. Kata kunci: Makroalga, Komunitas, Transek, Kuadrat, Tiwoho.
Sustainability status of ecotourism-based seagrass ecosystem management on Maitara Island. Indonesia Abubakar, Salim; Rina, Rina; Subur, Riyadi; Kepel, Rene C; Sunarti, Sunarti; Serosero, Rugaya H; Abubakar, Yuyun; Akbar, Nebuchadnezzar; Najamuddin, Najamuddin; Achmad, M. Janib; Fadel, Ariyati H.; Hadad, M. Said Al; Widhi, Raut Nugrahening; Paluphi, Raut Wahyuning
Depik 2025: Special Issue ICMF
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.0.0.47064

Abstract

Seagrass ecotourism is a tourism activity based on seagrass ecosystem as an educational tour by seeing the ecology of seagrass meadows and associated biota. Conservation awareness and improving community welfare, seagrass ecotourism is a nature-based tourism strategy with the aim of environmental conservation and containing aspects of community education and culture. Determining the sustainability status of seagrass ecosystem management is very important as a basis for future policy planning. The sustainability of seagrass ecosystems needs to be protected, so a policy strategy is applied in sustainable seagrass ecosystem management. The objectives of the study are: 1) determining the sustainability status of ecotourism-based seagrass ecosystem management based on ecological, economic and social dimensions, 2) determining the policy strategy for ecotourism-based seagrass ecosystem management. The results of the study obtained the sustainability status of ecotourism-based seagrass ecosystem management based on ecological dimensions is quite sustainable while the economic and social dimensions are less sustainable. The strategy for sustainable policy for managing seagrass ecosystems based on ecotourism on Maitara Island, Tidore Islands, namely education about seagrass ecosystems for the community, managing seagrass ecosystems based on ecotourism, increasing seagrass rehabilitation programs, maximum limits for carrying capacity of seagrass ecotourism, training for developing managers of seagrass ecotourism based on ecosystems, increasing job opportunities and business opportunities, legality of seagrass areas as conservation areas in the tourism utilization zone category and strengthening laws and institutions.Keywords:analysismultidimensionalsmall islandsustainabilitytourism
Analisis Tingkat Kepuasan Wisatawan terhadap Sarana Wisata dan Strategi Pengembangan Kawasan Pantai Pulisan Likupang Minahasa Utara Sujono, Riskezia Y; Rengkung, Leonardus R; Kepel, Rene C
Jurnal Pendidikan Tambusai Vol. 8 No. 1 (2024): April 2024
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v8i1.13247

Abstract

Wisata pantai di desa pulisan kecamatan likupang timur kabupaten minahasa utara. Merupakan salah satu destinasi favorit untuk para pecinta alam, potensi di pantai pulisan sangat besar dan bernilai tinggi dengan adanya pemandangan yang eksotis. Populasi wisatawan mancanegara dan domestik yang berkunjung di pantai pulisan tercatat sebanyak 25.863 jiwa. Maka perlu adanya sebuah kajian menganalisa faktor-faktor internal dan eksternal yang mendukung pengembangan pariwisata pantai pulisan, serta menganalisis tingkat kepuasan wisatawan. Penelitian ini menggunakan metode deskriptif dan pendekatan kuantitatif. Setelah itu menganalisis dengan metode CSI (Customer Satisfaction index). Likert yang didapatkan dari kuesioner. IPA (Importance Performance Analysis) digunakan untuk mendapatkan gambaran tingkat kepuasan dan kepentingan melalui skala prioritas dari tiap-tiap atribut yang ada. Nilai (MIS) Mean Importance Score berjumlah 95,73333, Nilai (MSS) Mean Satisfaction Score berjumlah 106,833333, nilai (WF) Weight Factor dan (WS) Weight Score. Berdasarkan perhitungan yang telah dilakukan menggunakan CSI dapat diketahui bahwa indeks kepuasan pelanggan terhadap Pantai Pulisan sebesar 77.61% pada rentang skala 66% - 80.99%. Dapat dikatakan bahwa tingkat kepuasan wisatawan Pantai Pulisan secara umum berada pada kategori Puas.
Sustainability-Based Mangrove Ecotourism Management Strategy Using ADO-ODTWA and MDS Approaches: A Case Study of Ngusulenge Mangrove Area, Maitara Island, Indonesia Abubakar, Salim; Rina; Tahir, Irmalita; C. Kepel, Rene; Sapsuha, Yusri; Kurniawan, Andy; Subur, Riyadi; Rumagia, Faizal
Jurnal Ilmiah Perikanan dan Kelautan 2026: JIPK VOLUME 18 ISSUE 2 YEAR 2026 (JUNE 2026, ISSUE IN PROGRESS)
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v18i2.81480

Abstract

Graphical Abstract Highlight Research The mangrove ecosystem on a small island is the object of this research. The Ngusulenge mangrove area in Maitara Tengah Village is worthy of development as a sustainable ecotourism destination with a medium to high attractiveness value based on ecological and accessibility aspects. Dimensionally, the social dimension has the highest sustainability value compared to the other dimensions. However, all dimensions require more serious improvement efforts to meet the needs of developing a mangrove ecotourism area on Maitara Island. Collaboration between stakeholders, supported by clear regulations regarding the management of mangrove ecotourism areas, will accelerate regional development and improve the welfare of communities involved in the management and utilization of coastal ecosystems and small islands.   Abstract Sustainable mangrove ecotourism requires a balanced focus across ecological, economic, and social dimensions to ensure long-term conservation and community benefits. In line with the concept of sustainability, the development of mangrove ecotourism must prioritize tourist attractions, local community involvement, and environmental conservation. This study aims to analyze the potential for ecotourism development based on tourist attractions and determine the sustainability status of mangrove ecotourism management in the Ngusulenge ecotourism area in Maitara Tengah Village, Tidore Islands City using interdisciplinary approach for sustainable mangrove ecotourism managenet. This study employs an interdisciplinary approach to sustainable ecotourism management, utilizing ADO-ODTWA analysis to assess tourist attractions and the feasibility of ecotourism development, and to identify potential tourist attraction resources. Additionally, it employs Rap-Mforest analysis to measure the sustainability status of ecotourism in ecological, social, economic, and institutional aspects. The results of the study indicate that the Ngusulenge mangrove area in Maitara Tengah Village is worthy of being developed as a sustainable ecotourism destination with medium to high attraction values ​​based on ecological and accessibility aspects with an ADO-ODTWA index value (82.44%) indicating suitability for development, while the multidimensional sustainability index value (41.60%) falls into the less sustainable category, but requires major interventions in several factors, such as cleanliness, accommodation, and socio-economic management, to overcome the challenges of mangrove ecosystem degradation. The lowest feasibility factor value was found in the Accommodation criterion (58.33%), and the lowest value for the sustainability dimension was found in the Institutional dimension (37.07%). The collaboration between the government, the community, and regulations is strong, enabling the potential of the Ngusulenge mangrove area to become a tourism-based conservation model that supports coastal biodiversity, local empowerment, and inclusive economic growth in North Maluku Province.
Community Structure of Macroalgae in the Coastal Waters of Bahowo Tamara, Giovanni Matthew A. J.; Kepel, Rene Charles; Lumingas, Lawrence J. L.; Wantasen, Adnan S.; Lasabuda, Ridwan; Lohoo, Anneke V.
Jurnal Ilmiah PLATAX Vol. 13 No. 2 (2025): ISSUE JULY-DECEMBER 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v13i2.61576

Abstract

This research aims to describe the morphology and anatomy of each species from the research location and to analyze the community structure of macroalgae from the research location. Data collection was done using the Line Transect method with a quadrat sampling technique during the lowest tide. Temperature and salinity checks were measured using a thermometer and refractometer. Substrate determination was done visually based on the type of substrate. The results of this study found 9 species, consisting of 4 red algae species (Rhodophyceae) and 5 green algae species (Ulvophyceae). The morphology of these algae species varies, with different anatomy based on transverse and longitudinal sections of each part of the alga's thallus. The highest species density was H. edulis, while the lowest densities were A. fragilissima, D. versluysii, T. fragilis, and C. racemosa. The macroalgae diversity index values in the three transects are in the medium category, the species evenness index values are stable, the species richness index values are in the low category, and the dominance index values are in the low category. Keywords: Macroalgae, Community, Transect, Quadrat, Bahowo.   Abstrak Tujuan penelitian ini adalah mendeskripsikan morfologi dan anatomi masing-masing spesies dari lokasi penelitian, dan menganalisis struktur komunitas makroalga dari lokasi penelitian. Pengambilan data menggunakan metode Line Transect dengan teknik sampling kuadrat yang dilakukan pada saat surut terendah. Pengecekan suhu dan salinitas diukur dengan menggunakan termometer dan refractometer. Untuk penentuan substrat dilihat secara visual terhadap jenis dari substrat tersebut. Hasil penelitian ini ditemukan 9 spesies yang terdiri dari 4 spesies alga merah (Rhodophyceae), dan 5 spesies alga hijau (Ulvophyceae). Morfologi jenis-jenis alga tersebut beragam dengan anatomi yang berbeda berdasarkan potongan melintang dan memanjang dari masing-masing bagian thallus alga. Kepadatan spesies tertinggi yaitu H. edulis sedangkan kepadatan terendah yaitu A. fragilissima, D. versluysii, T. fragilis, dan C. racemosa. Nilai indeks keanekaragaman makroalga pada ketiga transek termasuk dalam kategori sedang, nilai indeks kemerataan jenis dalam keadaan stabil, nilai indeks kekayaan jenis dalam kategori rendah dan nilai indeks dominasi dalam kategori rendah. Kata kunci: Makroalga, Komunitas, Transek, Kuadrat, Bawoho
Co-Authors Abdul Latief Abadi Abdul Latief Abadi Abubakar, Salim Achmad, Febrio V. Achmad, M. Janib Adnan Sjaltout Wantasen Adnan Wantasen Adrian, Melinda Margareta Alex D. Kambey Alex D. Kambey Alex Denny Kambey Andy Kurniawan, Andy Anneke V. Lohoo Antonius P. Rumengan Ari Berty Rondonuwu Ariyati H. Fadel Bilaleya, Iman Billy J. Kepel Calvyn F. A. Sondak, Calvyn F. A. Carolus P. Paruntu Chatrien A. L. Sinjal Darus S. Paransa Deiske A. Sumilat Deiske Adeliene Sumilat, Deiske Adeliene Edwin D Ngangi Engel V. Pandey Fadel, Ariyati H. Farnis B. Boneka Flora Pricilla Kalalo Fransine B. Manginsela Fransiscus Rori Gabriel F. Tulung Gaspar D. Manu, Gaspar D. Gaspar Duhar Manu Grevo S Gerung Hadad, M. Said Al Hadath, Deandra Starsha Bianca Handayani, Maymanah Haryani Sambali Hengki Djemie Walangitan Hengky J Sinjal Hermanto W. K. Manengkey Irmalita Tahir, Irmalita Irwan Baino Iyanleba, Jonathan Yohanes Jane M. Mamuaja Jane Sulinda Tambas Jety K. Rangan John L. Tombokan Joshian Nicolas William Schaduw Joudy R.R. Sangari, Joudy R.R. Kandati, Feibe R. S. Katiandago, Theodora Maulina Khristin I. F. Kondoy, Khristin I. F. Kliwon Hidayat Kliwon Hidayat Kondoy, Khiristin Ivone Fisye Kristianto Parera, Kristianto Lalita, Jans Laurence J. L Lumingas Lawrence J. L Lumingas Lawrence J. L. Lumingas Lawrence J.L Lumingas Lawrence J.L. Lumingas, Lawrence J.L. Leonardus Ricky Rengkung Leslida, Ayu Lumingas, Lawrence J. M. Janib Achmad M. Said Al Hadad Mamonto, Riswanto Mandagi, Stephanus V. Mandagi, Stephanus Vianny Mantiri, Desy M. H Mantiri, Rose O.S.E Medy Ompi Menajang, Febry S. I. Menajang, Febry Susana Ivone Menajang, Febry Susane Ivonne Muhammad Aris Najamuddin Najamuddin Najamuddin Najamuddin, Najamuddin Namoua, Dilivia J. Nasprianto, - - Nasprianto, . Natalie D. C. Rumampuk Nebuchadnezzar Akbar Nickson J. Kawung, Nickson J. Ockstan Kalesaran Onibala, Hernie Pakasi, Ivone F Paluphi, Raut Wahyuning Patra, Frian Paulus, James Paulus, James J. H Pelle, Wilmy Preisy Meicy Meriam Watung Rafii, Keken Angliyana Rangan, Jety Rangan, Jety K. Rangan, Jety Kornela Raut Nugrahening Widhi Raut Wahyuning Paluphi Resya Ika Firmansyah Rey Wahyudi Simbala Richardo O. Roring Ridwan Lasabuda Rignolda Djamaluddin Rina Rina Rina Rina Rina Rini M Wowor Riyadi Subur, Riyadi Robert A. Bara Ronald S. A. Posundu Rondonuwu, Arie B Rose O. S. E. Mantiri, Rose O. S. E. Rose O.S.E. Mantiri Royke M. Rampengan Rugaya H Serosero Rumagia, Faizal Rumengan, Anton Salaki, Meiske Sofie Serosero, Rugaya H Silvester B Pratasik Sinjal, Hengk Stephanus V. Mandagi Stephanus V. Mandagi Stephanus V. Mandagi Sujono, Riskezia Y Sunarti Sunarti Sunarti Suria Darwisito Suzanne L Undap Suzanne L. Undap Tamara, Giovanni Matthew A. J. Tambas, Jane Sulinda Tamrin Tamrin Tamrin Tassi, Maltonius Taufiq Abdullah Tawaluyan, Marthen Hansen Tilaar, Ferdinand F. Tombokan, John Leonard Turangan, Septiara Vivanda O.J. Modaso Wahidin, Nurhalis Wakkary, Paramitha G. Widhi, Raut Nugrahening Winda M. Mingkit Winda Mercedes Mingkid Yusri Sapsuha Yuyun Abubakar Yuyun Abubakar