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Alfons Patandung
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology

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STRUKTUR DAN KOMPOSISI JENIS KOMUNITAS BURUNG DI LAHAN PERTANIAN KAWASAN HUTAN LINDUNG GUNUNG MAHAWU SULAWESI UTARA Alfons Patandung; Johny S. Tasirin; Alfonsius Thomas; Reynold P. Kainde
COCOS Vol. 4 No. 5 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i5.4691

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ABSTRACTMount Mahawu Forest Reserve is a protected area situated in the city of Tomohon and regency of Minahasa,North Sulawesi province. In year 2004 Birdlife International established Mount Mahawu Forest Reserve as an Important Bird Area. One particular habitat of bird colonies in Mount Mahawu Forest Reserve is agricultural land.This research aims to create an inventory of and analyze the species diversity of bird communities in agricultural land surrounding Mount Mahawu Forest Reserve, North Sulawesi. This research was carried out on September to October 2013 in Mount Mahawu Forest Reserve, North Sulawesi. This research used the point count method.There are 32 bird species from 16 families and 9 orders. The number of individuals found inhabiting agricultural land was 198 individuals. Out of the species observed inhabiting agricultural land, 9 species or 28,1 % of the total number of species are species endemic to Sulawesi.The most abundant species isthe Glossy Swiftlet (Collocalia esculenta) with 45 individuals and relative abundance score of 22,72 %.The diversity index of agricultural land habitats is 2,92, while the evenness index is 0,87.Keywords: Birds, Mount Mahawu Forest Reserve, Species diversity
Dynamic Occupancy, Temporal Activity and Distribution Pattern of The Sulawesi Palm Civet (Macrogalidia musschenbroekii) in Bogani Nani Wartabone National Park Patandung, Alfons; Saroyo; Singkoh, Marina Flora Oktavine; Rahman, Arief; Rahmanita, Dini
JURNAL BIOS LOGOS Vol. 15 No. 3 (2025): JURNAL BIOS LOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.v15i3.65690

Abstract

The Sulawesi Palm Civet (Macrogalidia musschenbroekii) is the only endemic carnivore on Sulawesi and a key mesopredator within Wallacean forest ecosystems. Despite its conservation significance, empirical information on its population dynamics and habitat associations remains limited. This study analyzes four consecutive years of camera‑trap monitoring (2021–2024) in Bogani Nani Wartabone National Park to evaluate occupancy patterns, environmental drivers, and temporal activity. Using a Bayesian dynamic occupancy framework, we estimated annual occupancy (ψ), detection probability (p), colonization (γ), and local extinction (ε), while examining the influence of elevation, slope, and additional landscape covariates. A consistent sampling effort of 49–50 cameras per year yielded 3,446–4,047 trap nights annually, with low but stable detection rates. Occupancy declined markedly from 0.86 in 2021 to 0.51 in 2024. Elevation and slope emerged as the strongest predictors of occupancy, indicating a preference for mid‑elevation forest habitats. Colonization (0.364–0.654) and extinction probabilities (0.286–0.587) exhibited high interannual variability, suggesting a metapopulation‑like dynamic influenced by habitat fragmentation and environmental instability. Temporal activity analysis revealed predominantly nocturnal and crepuscular behavior, consistent across years. These findings provide the most comprehensive ecological assessment of sulawesi palm civet to date and highlight the species’ sensitivity to habitat degradation. Long‑term monitoring, protection of montane forest corridors, and community‑based conservation programs are recommended to ensure long‑term persistence.
Co-Authors Alfonsius Thomas Alfonsius Thomas Arief Rahman Rahmanita, Dini Reynold P. Kainde Reynold P. Kainde Saroyo Singkoh, Marina Flora Oktavine