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All Journal AQUATIC SCIENCE & MANAGEMENT Biotropika Jurnal Sumberdaya Akuatik Indopasifik Bawal : Widya Riset Perikanan Tangkap Cassowary IGKOJEI: Jurnal Pengabdian Masyarakat Igya ser hanjop: Jurnal Pembangunan Berkelanjutan FISHIANA Journal of Marine and Fisheries
Paulus Boli
Graduate School of Bogor Agricultural University, Dramaga Main Road, Campus IPB Dramaga, Bogor, Indonesia 16680
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Social Sciences Veterinary

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Journal : Cassowary

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The Karakteristik biofisik pantai peneluran penyu lekang (Lepidochelys olivacea) di Kampung Makimi, Distrik Makimi, Kabupaten Nabire H. Lidan, Marry; Boli, Paulus; Kaber, Yuanike; F. Pattiasina, Thomas; Y. S. Purba, Gandi
Cassowary Vol 8 No 3 (2025): Juli
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i3.321

Abstract

ABSTRACT: The coastal area of Makimi Village, Makimi District, Nabire Regency is an important nesting site for the olive ridley turtle (Lepidochelys olivacea) with unique characteristics as its nests are located near residential areas that help protect the nesting sites. This research aims to determine the physical and biological parameters of the olive ridley turtle nesting habitat in Makimi Village, Makimi District, Nabire Regency. The research was conducted during the nesting season from February 1 to August 31, 2023. The results showed that The physical characteristics of Makimi Village Beach include an average beach width of 30 m, with a beach category ranging from sloping (6-39°) to steep (with a slope greater than 40°). The most common substrate in the nesting area is fine sand (60.05%), followed by very fine sand (25.77%). There were 11 nesting holes with temperatures ranging from 27°C to 31°C, with an average of 28.12°C to 30.87°C. The pH levels ranged from 5.5 to 7, and the average humidity was between 50% and 74%. The types of beach vegetation in the olive ridley turtle nesting area are dominated by six plant species: goat's foot creeper (Ipomoea pescaprae), waru tree (Hibiscus tiliaceus), pongam tree (Pongamia pinnata), sea almond (Terminalia catappa), coastal she-oak (Casuarina equisetifolia), and coconut palm (Cocos nucifera).
Mikro-habitat ikan pelangi endemik Melanotaenia arfakensis dan implikasinya bagi konservasi insitu di Kebar, Papua Barat Daya Yemima Kaliele, Mariance; Bawole, Roni; Manangkalangi, Emmanuel; Tebaiy, Selvi; Toha, Abdul Hamid A.; Alfarani Bawole, Christover; Boli, Paulus; Mudjirahayu
Cassowary Vol 8 No 3 (2025): Juli
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i3.485

Abstract

ABSTRACT: This study examines the microhabitat characteristics of the endemic rainbowfish Melanotaenia arfakensis in two major rivers of Tambrauw, Southwest Papua—Api River and Asiti River—focusing on the spatial dynamics of environmental parameters from upstream to downstream. Results indicate that water temperature, dissolved oxygen (DO), depth, current velocity, and river width show significant spatial trends and directly influence the survival of M. arfakensis. The upstream zones, characterized by lower temperatures (23–26°C), high DO levels (>7 mg/L), moderate current, and stable depth, are identified as optimal habitats and conservation priorities. In contrast, the midstream and downstream zones exhibit gradual habitat degradation, including temperature increases up to 29.1°C and decreased DO levels, approaching the physiological tolerance limits of the species. This decline in microhabitat quality correlates with riparian vegetation loss and anthropogenic pressures. Therefore, an effective in situ conservation strategy must be spatially explicit, adaptive, and participatory—emphasizing thermal refugia protection in the upstream zones, ecological restoration in the midstream, and integrated watershed management with community involvement in the downstream areas. Longitudinal connectivity and the integrity of the entire riverine ecosystem are essential for ensuring the long-term viability of this endemic species.
Co-Authors Abdul Hamid A. Toha Ai Siti Patimah Alfarani Bawole, Christover Allo, Alberto Arief Wujdi, Arief Augy Syahailatua Bawole, Christover Alfarani Dedi Parenden Emmanuel Manangkalangi F. Pattiasina, Thomas H. Lidan, Marry INDRAYANI INDRAYANI Kaber, Yuanike Kadarusman . Manuhutu, Jafry Ferdinan Mawikere, Nouke L. Mudjirahayu Mudjirahayu Musaad, Ishak Nifaan, Welmincie Milana Noya, Alce I. Panjaitan, Rawati Pattiasina, Selfinus Purba, Gandi YS Purba, Gandy Y. S. Randa, Rahel Archi Wignyayuwana Rina A. Mogea Roni Bawole Ruimassa, Reymas M.R. Sinaga, Nurhaida I. Sri Hartini Suawa, Elfira K. Sultary, Ayu Suparno, Antonius Syufi, Yafed Tadu, Daniel Tebaiy, Selvi Tebay, Selvi Thomas Frans Pattiasina Thomas, Juniati Tanduk Tuapetel, Friesland Vera Sabariah, Vera Wardhani, Aryo Wibawati, Zarima Yemima Kaliele, Mariance Zita L. Sarungallo