Electronic Theses and Dissertation

Informasi akurat mengenai kepadatan dan kelimpahan populasi hewan sangat penting dalam ekologi untuk konservasi satwa. saat ini masih kurang informasi ilmiah mengenai penghitungan populasi secara akurat. penelitian ini bertujuan untuk mengetahui struktur habitat, estimasi populasi dan sebaran spasial gajah sumatera. populasi penelitian adalah gajah sumatera (elephas maximus sumatranus) dan sampel penelitian adalah bagian dari populasi gajah berupa bukti temuan keberadaan gajah melalui teknik purposive sampling. pengumpulan data dilakukan dengan pengamatan struktur habitat dan mengambil titik koordinat gps dari sampel. analisis estimasi dan sebaran spasial menggunakan pendekatan spatial capture-recapture (scr) model search encounter data. penelitian ini dilakukan dari bulan januari hingga juni 2023 di kecamatan trumon, kabupaten aceh selatan. hasil penelitian terhadap estimasi populasi gajah dari pemodelan scr yaitu 39 individu. hasil dari pemodelan scr dengan search encounter data memberikan gambaran area jelajah populasi gajah dimulai dari landscape naca, menuju gampong kapa sesak dan menyisir kawasan riparian sungai perbatasan aceh selatan dengan subulussalam (sungai soraya melalui lae kombih) dan kemudian menyeberang ke tngl dan masuk ke kawasan kecamatan babur rahmah dan leuser aceh tenggara. persentase dominansi struktur habitat berdasarkan kategorinya adalah tipe dan vegetasi 71% (hutan sekunder); penutupan tajuk 67% (sangat rapat); ketersediaan pakan 43% (sedang); ketersediaan pohon sumber mineral 72% (banyak dan median); jarak ke hutan primer 64% (0-500 m); ketersediaan pohon gosok badan 57% (banyak); ketinggian lahan 100% (0-100mdpl); kemiringan lahan 64% (0o-20o); jarak ke sumber air 57% (0-250m); dan jarak ke sumber gangguan 56% (>1500m). informasi tentang estimasi populasi, sebaran spasial, dan struktur habitat gajah akan bermanfaat bagi masyarakat dan stakeholder sebagai langkah awal upaya konservasi gajah.

Accurate information on animal population density and abundance was essential in ecology for wildlife conservation. Currently, there was still a lack of scientific information on accurate population calculations. This study aims to determine the habitat structure, population estimation and spatial distribution of Sumatran Elephants. The research population was the Sumatran Elephant (Elephas maximus sumatranus) and the research sample was part of the Elephant population in the form of evidence of the existence of elephants through purposive sampling techniques. Data collection was carried out by observing the habitat structure and taking GPS coordinates from the sample. Estimation and spatial distribution analysis used the Spatial Capture-Recapture (SCR) approach with the Search Encounter Data model. This study was conducted from January to June 2023 in Trumon District, South Aceh Regency. The results of the study on the elephant population estimate from SCR Modeling were 39 individuals. The results of SCR modeling with Search Encounter Data provide an overview of the elephant population's roaming area starting from the Naca Landscape, heading to Gampong Kapa Sesak and combing the riparian area of the border river between South Aceh and Subulussalam (Soraya River via Lae Kombih) and then crossing into TNGL and entering the Babur Rahmah and Leuser Districts of Southeast Aceh. The percentage of habitat structure dominance based on its category was Type and Vegetation 71% (Secondary Forest); Canopy Closure 67% (Very Dense); Food Availability 43% (Moderate); Availability of Mineral Source Trees 72% (Many and Median); Distance to Primary Forest 64% (0-500 m); Availability of Body Scrub Trees 57% (Many); Land Height 100% (0-100m above sea level); Land Slope 64% (0o-20o); Distance to Water Source 57% (0-250m); and Distance to Disturbance Source 56% (>1500m). Information on population estimates, spatial distribution, and habitat structure of Elephants will be useful for the community and stakeholders as an initial step in Elephant conservation efforts.