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All Journal Jurnal Entomologi Indonesia Jurnal Jeumpa
Muarrif, Samsul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology

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Deskripsi ulang rayap tanah (Subulitermes-branch): Oriensubulitermes inanis (Haviland) (Termitidae: Nasutitermitinae) di Indonesia Syaukani, Syaukani; Husni, Husni; Alfizar, Alfizar; Kesumawati, Elly; Novita, Novita; Rusdiana, Siti; Muarrif, Samsul; Pribadi, Teguh
Jurnal Entomologi Indonesia Vol 16 No 2 (2019): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.16.2.75

Abstract

Oriensubulitermes inanis (Haviland) is one of the endemic termites in the Oriental Region and plays a very important role in the decomposition process in tropical forests. This study aims to redescribe O. inanis from Indonesia. Termite were collected by adopting a Standized Sampling Protocol (Jones & Eggketon 2000) and final taxonomic confirmation were conducted at the Natural History Museum UK) and Florida University (USA). We found 21 colonies of O. inanis from various habitats and altitudes in Indonesia. Distribution of O. inanis is often correlated with biodiversity status in tropical forests. Worker caste mandible provides the most useful character for the description of O. inanis. In Southeast Asia, this rare species is restricted and can be found only in the Malay Peninsula, Borneo and Sumatra, and absence from Java. Decayed wood, base of tree trunks, and other termite nests (epigeal mounds) are selected media used to construct their nests. Limited population number in a colony, restricted alates flying ability, and secretive nest habitats are thought to influence the distribution of O. inanis in Indonesia.
Deskripsi ulang rayap tanah (Subulitermes-branch): Oriensubulitermes inanis (Haviland) (Termitidae: Nasutitermitinae) di Indonesia Syaukani, Syaukani; Husni, Husni; Alfizar, Alfizar; Kesumawati, Elly; Novita, Novita; Rusdiana, Siti; Muarrif, Samsul; Pribadi, Teguh
Jurnal Entomologi Indonesia Vol 16 No 2 (2019): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (699.678 KB) | DOI: 10.5994/jei.16.2.75

Abstract

Oriensubulitermes inanis (Haviland) is one of the endemic termites in the Oriental Region and plays a very important role in the decomposition process in tropical forests. This study aims to redescribe O. inanis from Indonesia. Termite were collected by adopting a Standized Sampling Protocol (Jones & Eggketon 2000) and final taxonomic confirmation were conducted at the Natural History Museum UK) and Florida University (USA). We found 21 colonies of O. inanis from various habitats and altitudes in Indonesia. Distribution of O. inanis is often correlated with biodiversity status in tropical forests. Worker caste mandible provides the most useful character for the description of O. inanis. In Southeast Asia, this rare species is restricted and can be found only in the Malay Peninsula, Borneo and Sumatra, and absence from Java. Decayed wood, base of tree trunks, and other termite nests (epigeal mounds) are selected media used to construct their nests. Limited population number in a colony, restricted alates flying ability, and secretive nest habitats are thought to influence the distribution of O. inanis in Indonesia.
The Penerapan Principal Component Analysis (PCA) dalam Identifikasi Kesesuaian Habitat Gajah Sumatera (Elephas maximus sumatranus) di Kawasan Gunung Sala, Aceh Utara Suryadi, Suryadi; Abdullah, Abdullah; Zulfikar, Zulfikar; Muarrif, Samsul
Jurnal Jeumpa Vol 12 No 2 (2025): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jj.v12i2.12747

Abstract

Konflik manusia–gajah sumatera (Elephas maximus sumatranus) meningkat seiring berkurangnya luasan dan kualitas habitat akibat alih fungsi lahan. Penelitian ini bertujuan mengidentifikasi karakteristik lingkungan serta menganalisis tingkat kesesuaian habitat gajah sumatera di kawasan Gunung Sala, Kabupaten Aceh Utara, menggunakan pendekatan spasial dan principal component analysis (PCA). Data dikumpulkan dari sepuluh titik pengamatan yang merepresentasikan variasi kondisi ekologis, meliputi tutupan vegetasi, jarak ke sumber air, elevasi, kemiringan lereng, dan tingkat gangguan antropogenik. Hasil pemetaan menunjukkan dua titik tergolong “Sangat Sesuai”, tujuh titik “Sesuai”, dan satu titik “Kurang Sesuai”. Habitat dengan kesesuaian tinggi umumnya berada di dekat sungai, bertopografi landai, dan memiliki vegetasi rapat, sedangkan kesesuaian rendah ditemukan pada elevasi tinggi dan jauh dari sumber air. Analisis PCA mengidentifikasi dua komponen utama yang menjelaskan variasi spasial kesesuaian habitat, dengan jarak ke air, tutupan vegetasi, dan gangguan manusia sebagai variabel dominan. Hasil penelitian ini menyediakan dasar ilmiah bagi pengembangan zonasi konservasi, pemulihan habitat, dan mitigasi konflik manusia–gajah secara berkelanjutan.
Co-Authors Abdullah Abdullah Alfizar Alfizar Elly Kesumawati G. Gunawan Husni Husni Novita Novita Pribadi, Teguh Siti Rusdiana Suryadi Suryadi Syaukani Syaukani Teguh Pribadi