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All Journal HAYATI Journal of Biosciences Jurnal Sumberdaya Akuatik Indopasifik Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Cassowary Jurnal Natural Berkala Penelitian Hayati Golden Ratio of Data in Summary INJURITY: Journal of Interdisciplinary Studies Prosiding Seminar Nasional Biologi
Robi Binur
Department Of Biology, Faculty Of Mathematics And Natural Sciences, University Of Papua, Jalan Gunung Salju Amban Manokwari, Papua
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences

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Journal : Cassowary

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The Analisis korelasi struktur komunitas Gastropoda terhadap parameter lingkungan di Pulau Samai Fakfak menggunakan Principal Component Analysis Bakri, Iskandar; Binur, Robi; Sinuraya, Sabarita; Mogea, Rina
Cassowary Vol 8 No 2 (2025): April
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i2.456

Abstract

ABSTRACT:The coastal ecosystem of Samai Island is a complex interaction between various organisms, including gastropods, and their environment. Gastropods are members of the mollusk phylum, which are invertebrates. This study aims to analyze the correlation between the structure of the gastropod community and physicochemical parameters. The research was conducted on the coast of Samai Island, Fakfak Regency, West Papua Province. Using the transect line method at four sampling stations. The results, showed that the highest gastropod density was found at Station IV (80.2 ind/m2), while the lowest was recorded at Station I (21.8 ind/m2). The gastropod diversity index ranged from 2.36 to 3.14, indicating a medium category at Stations II, III, and IV, and a high category at Station I. The evenness index was high at all stations, with values ranging from 0.61 to 0.87, and there was no dominant species at any station. The physico-chemical parameters of the water at the research location include water temperature ranging from 29.5°C to 30.4°C, salinity between 33.19‰ and 33.94‰, dissolved oxygen (DO) between 5.35 mg/L and 5.74 mg/L, and water pH ranging from 8.41 to 8.65. These parameters influence the structure of the gastropod community along the coast of Samai Island, Fakfak.
Tingkah laku alami burung mambruk victoria (Goura victoria) di Pulau Yapen K. Numberi, Yusuf; Ranti, Febriza Dwi; Binur, Robi
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.i3.317

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ABSTRACT : The Victoria crowned pigeon (Goura cristata), known for its beautiful crest, is an endemic species of Papua and is currently listed as “Near Threatened.” Therefore, conservation efforts such as captive breeding are necessary. This pigeon has the potential to be kept in captivity due to its tamable nature; however, biological information regarding its natural behavior is still needed. This study aims to describe the natural behavior of the Victoria crowned pigeon (Goura cristata) on Yapen Island. The research was conducted in April 2024 along the Siwiri River in the eastern region of Yapen Island. A field survey method was used, with bird activity observed at three locations (downstream, midstream, and upstream). Observations were carried out over three days at each site, from 06:00 to 18:00 Eastern Indonesian Time (WIT), with 60-minute observation intervals. Bird activities were observed directly or with binoculars. The behavioral observation used the scan sampling method, and activity data were recorded using the One-Zero Sampling method. The variables observed in this study were the activity times and the percentage frequency of Victoria crowned pigeon (Goura victoria) behaviors. Five types of natural behavior were identified at the research sites: feeding (31%), vocalizing (26%), walking (16%), grooming (14%), and defecating (13%). Feeding was the most frequently observed behavior, while defecating was the least frequent. Most behaviors occurred in the morning across all three locations—downstream, midstream, and upstream. Some behaviors occurred at different times of the day, likely due to environmental differences related to habitat, topography, and abiotic factors. The conclusion of this study is that any attempt to breed the Victoria crowned pigeon in captivity must consider both biotic and abiotic factors.
Co-Authors Abdul Hamid A. Toha Ahmad Fadli Bakri, Iskandar Elda Irma Jeanne Joice Kawulur Henny L. Ohee K. Numberi, Yusuf Luat, Andreas Luchman Hakim Lutfi Lutfi Nashi Widodo Nurul Abidin Panjaitan, Rawati Panjaitan, Rawati Ranti, Febriza Dwi Rina A. Mogea Rongan, Herlianti Pasa Sinuraya, Sabarita Suhaemi Susiamti, Widi Sutiman B. Sumitro Widi Susiamti