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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Jurnal Lembaga Penelitian Universitas Mataram TREUBIA Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Jurnal Pengabdian Magister Pendidikan IPA Jurnal Entomologi Indonesia Jurnal Abdi Insani Bioscientist : Jurnal Ilmiah Biologi Proceeding Biology Education Conference
I WAYAN SUANA
Fakultas Ekonomi dan Bisnis Universitas Udayana
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Population Density and Habitat Preferences of the Rinjani Scops Owl (Otus jolandae) in the Mandalika Special Economic Zone, Lombok, Indonesia: Population density and habitat preference of Otus jolandae Permatasari, Baiq Dewi; Suana, I Wayan; Hadiprayitno, Gito; Tresnani, Galuh
Journal of Tropical Life Science Vol. 15 No. 2 (2025): In Press
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/e0jyvz11

Abstract

The Rinjani Scops Owl (Otus jolandae) is an endemic species of Lombok, closely associated with Mount Rinjani National Park. In 2023, its range was newly recorded in the Mandalika Special Economic Zone (SEZ), extending its known distribution. Understanding the population density and habitat preferences of this bird is crucial for effective management and conservation. From April to June 2024, a study was conducted in Mandalika SEZ, covering an area of 1,175 hectares. The point count method was used to record individuals based on sightings and calls. Vegetation analysis was performed at observation sites to identify preferred tree species and calculate habitat preferences using the selection index. Twenty-three individuals of O. jolandae were observed across seven sites, with a population density of 0.02 individuals per hectare—lower than densities recorded in Mount Rinjani National Park—which reflects the significant ecological pressures from development activities. The habitat includes 21 tree species, but the owl actively uses only 14 for activities such as perching, roosting, and nesting. Samanea saman had the highest preference index (3.424), making it the most favored tree, followed by Gmelina arborea and Nauclea orientalis. The species relies heavily on large-diameter trees and the middle canopy layer, reflecting its need for stable and protective habitats. This study provides essential data for future conservation programs and highlights the Mandalika SEZ’s potential as a birdwatching ecotourism destination featuring this unique endemic species
Co-Authors Amini, Elda Risa Didik Santoso Dwi Ratna Anugrahwati Galuh Tresnani Gito Hadiprayitno Hari Nugroho Hari Sutrisno Heron, Heron Heron, Heron Hery Haryanto Hilman Ahyadi I Ketut Ngawit, I Ketut I MADE SUDARMA I Nengah Suka Widana I Wayan Sudika I Wayan Sutresna Ilhamdi, M. Liwa ISLAMUL HADI Lalu Japa, Lalu Larasati, Sri Aprilia Nur M. Syazali Manisa, Safariyanti Muhammadi, Robith Ridho Mursyidin, Abdul Halim Narakusumo, Raden Pramesa Permatasari, Baiq Dewi PRAPTI SEDIJANI, PRAPTI Pusparina, Diah ROSICHON UBAIDILLAH Sadewo, Imran Shihab, Mawaddah Suliartini, Ni Wayan Sri Sunardi, Dwi Zainul Suryadi, Bambang Fajar SUYANTRI, ENI Syazali, Muhammad Taqwim, Ahsani Wardhani, Vivi Wirajagad, Gde Cahyadi Wirajagat, Gde Cahyadi Yuliadi Zamroni