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All Journal Global Forest Journal Berkala Ilmiah Biologi
Aris Subagio
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Veterinary

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Diversity and Abundance of Rhopalocera (Lepidoptera) in Batutegi Protected Forest, Sumatra, Indonesia Cita Ramadhanti; Aris Subagio; Jani Master
Berkala Ilmiah Biologi Vol 13 No 3 (2022)
Publisher : Fakultas Biologi Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/bib.v13i3.5104

Abstract

Butterflies are diurnal animals, divided into six families which are Hesperiidae, Lycaenidae, Nymphalidae, Papilionidae, Pieridae, and Riodinidae. Butterflies can be found in any vegetation as long as their host and feed plants are available. Batutegi protected forest has the potential to be butterflies habitat due to the possibility of its richness of host and feed plants. The research was conducted to analyze butterflies diversity and abundance in three different types of vegetation which are shrubs, forest, and Way Sekampung watershed. The methods that used are Shannon-Wiener’s Diversity Index (H’), Simpson’s dominance index (D), and Pielou’s Evenness Index (E). Analysis shows the butterfly diversity up to 3.034; dominance index up to 0.079; and evenness up to 0.823. These results attributed to the highly potential of butterfly diversity, stable evenness, and low butterfly species dominance. Analysis of diversity index in three vegetation obtained result H’ = 3.034 shows that the butterfly community is stable. The evenness index showed a high value E = 0.823 means that the individual of each type is evenly distributed. The dominance index obtained a low value D = 0.079 indicates that no particular type dominates all vegetation.
Vegetation profile around the hornbill nest tree (Bucerotidae) at Way Rilau Research Station, Forest Management Unit (FMU) Batutegi Elza Febrina Aulia; Iswandaru, Dian; Robithotul Huda; Aris Hidayat; Aris Subagio
Global Forest Journal. Vol. 4 No. 1 (2026): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v4i1.20579

Abstract

Hornbills are birds capable of flying over long distances, ranging approximately from 39 to 55 km. However, habitat loss caused by widespread forest encroachment poses a serious threat to their survival. Modeling to visualize the canopy structure of potential trees can help visualize the stand profile at the Way Rilau Research Station. The aim is to analyze the characteristics of potential hornbill nests in habitats identified as suitable for these birds. The research was conducted from December 2024 to January 2025 at the Way Rilau Research Station (SRWR), FMU Batutegi, Tanggamus Regency. Data collection uses vegetation analysis, including observations, to identify trees within a 20 m x 20 m plot. The data is analyzed using the Spatially Explicit Individual-based Forest Simulator (SExI-FS) software to model and project canopy profiles digitally and analyze dominance across all plots using the Important Value Index (IVI). The vegetation analysis identified 14 families and 24 tree species, including potential nesting trees such as Kepak, Lengsar, Pasang Merah, and Sempur. The highest Importance Value Index in this analysis was Quercus sundaicus (40.96%), followed by Dipterocarpus korthalsii (32.74%) and Corypha utan (25.03%). These results were projected as a stand profile using SExI-FS software to visualize the conditions around potential nest trees and the criteria. Based on these projections, the potential nest trees have larger crowns than the surrounding supporting trees
Co-Authors Aris Hidayat Cita Ramadhanti Elza Febrina Aulia Iswandaru, Dian jani master Robithotul Huda