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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Kelautan Tropis E-Dimas: Jurnal Pengabdian kepada Masyarakat AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan Jurnal Sumberdaya Akuatik Indopasifik JURNAL NUSANTARA APLIKASI MANAJEMEN BISNIS Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Journal of Aquaculture and Fish Health Musamus Fisheries and Marine Journal Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Cassowary IGKOJEI: Jurnal Pengabdian Masyarakat Igya ser hanjop: Jurnal Pembangunan Berkelanjutan COJ (Coastal and Ocean Journal) Jurnal Riset Perikanan dan Kelautan Agrikan: Jurnal Agribisnis Perikanan
Roni Bawole
Universitas Papua, Manokwari, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Public Health Social Sciences Veterinary

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Hubungan komunitas zooplankton dengan faktor oseanografi di ekosistem terumbu karang Manokwari S. Tururaja, Tresia; Bawole, Roni; Mogea, Rina; Murtihapsari
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.i3.484

Abstract

Zooplankton play an important dual role in marine ecosystems as food webs connectors and sensitive indicators of water quality. This study examines the composition, abundance, and relationship of zooplankton communities with oceanographic parameters in the coral reef ecosystem of Manokwari Waters. Samples were collected from three observation stations: Kaki Island, Lemon Island, and Marampa Port, using a 25 μm plankton net. Morphological identification resulted in six classes of zooplankton, namely Hexanauplia, Gastropoda, Bivalve, Malacostraca, Branchiopoda, and Ostracoda, for a total of 23 species. The class Hexanauplia dominates in all locations, with the most abundant species being Undinula vulgaris (10 individuals), Calanus sinicus (7), and Eurytemora pacifica (6). Cluster analysis based on the Bray-Curtis similarity index with the Average Linkage method shows the similarity of zooplankton communities between Marampa Port and Lemon Island. Kaki Island forms a separate cluster, indicating differences in species composition spatially. The highest abundance was recorded in the Hexanauplia class with an abundance index of >2,500 cells/L in some species. Canonical Correspondence Analysis (CCA) revealed a positive correlation between DO and Bivalvia (+0.99), temperature with Gastropoda (+0.92), and salinity with Hexanauplia (+0.28). Environmental factors such as temperature, DO, pH, and depth have been shown to influence the spatial distribution and diversity of communities. These findings reinforce the dual role of zooplankton as a fundamental food source for benthic organisms such as the soft coral Sarcophyton sp. and as an effective bioindicator for monitoring the health of tropical coastal ecosystems. Keywords: zooplankton, Undinula vulgaris, Hexanauplia, oceanographic parameters, Manokwari
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 Achmad Fahrudin Alce I. Noya Aldrin Bonggoibo Alfarani Bawole, Christover Amestina Matualage Andoyo Supriyantono Anton Sineri Aradea Bujana Kusuma, Aradea Bujana Bambang Nugroho Bambang Nugroho Barahima Abbas Barahima Abbas Bawole, Christover Alfarani Daud Bano Dedi Ariana Didik S. S. Mabui Dietriech Geoffrey Bengen Dwiranti, Febriza Elisa Lesnusa Emmanuel Manangkalangi Ferawati Runtuboi Ferdinand Samori Frankly Lahumeten Fredinan Yulianda Frengky Krey George Yarangga Hendri Hendri Hendrikus R Siga Hugo Warami Insen, Selmina Ishak Musaad Kolibongso, Duaitd Krey, Keliopas Ludia Wambrauw Mabui, D. S. Manan, Jemmy Maria Arim Marlina Rumiris Marsudi Marsudi Marsudi Marsudi Martha Kayadoe Marthin Matulessy Mercy Patanda Moeljono, Soetjipto Mudji Rahayu Mudji Rahayu Mudjirahayu Mudjirahayu Mudjirahayu Mudjirahayu Mudjirahayu Mudjirahayu Muhammad Arsyad Muhammad Dailami, Muhammad Muji Rahayu Murtihapsari Murtihapsari . Nataniel D. Mandacan Nouke L. Mawikere Nurhani Widiastuti Nuryanti Rumalolas Panjaitan, Rawati Partino Partino Partino, H.R. Paulus Boli Paulus Boli Purba, Gandi YS Rein M. R. Ruimassa Ridwan Sala Ridwan Sala Rimer Haigen Hein Biloro Rina A. Mogea Rizki H. Karamoy Rony Megawanto S. Tururaja, Tresia Sampari Suruan Sampari Suruan Sarah Usman Selvi Tebay Selvi Tebay Sembel, Luky Semuel Refideso Sineri, Anton Siti Helmi Sitinjak, Toni Sonya F. Nauw Sultary, Ayu Syafrudin Raharjo Tasya Magdalena Br Siahaan Tebaiy, Selvi Thomas Frans Pattiasina Thomas Pattiasina Tresia S Tururaja Tresia Sonya Tururaja Tresia Tururaja Trisiwi Wahyu Widayati Tururaja, Tresia Sonia Vera Sabariah Vera Sabariah Victor Rumere Yafed Syufi Yemima Kaliele, Mariance Yolanda Holle Yuanike Kabera, Yuanike Yusup A Jentewo Yuventus Wale Wake Zarima Wibawati Zeth Parinding Zulkifli Henan