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The Influence of Environmental Factors and Human Activities on Land Snail Diversity in the Sumber Brantas Arboretum and IPB Bogor Campus) Nurhayati, Putri Afin; Astuti Latif; Hanny Ramadhanti; Syifa Maulidia; Besse Fatimah; Windra Priawandiputra
Jurnal Moluska Indonesia Vol. 9 No. 2 (2025): Oktober 2025
Publisher : Masyarakat Moluska Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54115/jmi.v9i2.88

Abstract

This study aims to analyze the composition of terrestrial gastropods in two arboreta with different environmental characteristics. Sampling was conducted purposively using hand sampling methods. Environmental factors such as elevation, temperature, and light intensity were measured at each sampling plot. Additionally, shell morphology of the collected gastropods was analyzed. The results revealed differences in gastropod composition between the two arboreta, with Sumber Brantas Arboretum exhibiting a higher Shannon diversity index (0.97) compared to IPB University Arboretum (0.73). Parmarion sp. was the only species found in both locations. These differences in gastropod composition are likely influenced by significant variations in elevation and land-use patterns between the arboreta. The findings highlight the important role of environmental factors and land use in shaping terrestrial gastropod diversity, which can serve as bioindicators of ecosystem quality.
Morphometric variations of Apis dorsata Fabricius (Insecta: Hymnoptera: Apidae) from South Sumatra, Belitung, and West Kalimantan: Variasi morfometrik Apis dorsata Fabricius (Insecta: Hymnoptera: Apidae) dari Sumatera Selatan, Belitung, dan Kalimantan Barat Besse Fatimah; Raffiudin, Rika; Atmowidi, Tri; Savira, Aulia; Latif, Astuti; Priawandiputra, Windra
Jurnal Entomologi Indonesia Vol 23 No 1 (2026)
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.23.1.49

Abstract

Apis dorsata Fabricius is a giant forest honey bee with a wide distribution that includes Indonesia. South Sumatra, Belitung, and West Kalimantan exhibit distinct geographic and ecological characteristics that may influence the morphometric variations of this species. This study aimed to analyze the similarities and differences across various morphometric parameters of A. dorsata colonies from these three regions. A traditional morphometric approach was conducted to measure 23 morphometric parameters. A total of 120 individuals from 12 A. dorsata colonies originating from South Sumatra, Belitung, and West Kalimantan were examined. The results indicated that 12 of the 23 parameters (52.2%) differed significantly among populations. Populations from South Sumatra generally exhibited larger structural dimensions across several head, thorax, and wing parameters, whereas the Belitung populations demonstrated higher values for proboscis length and antennal socket distance. Multivariate analysis (NMDS and ANOSIM) revealed statistically significant, albeit weak, differentiation among the populations. Overall, these findings indicate the presence of localized morphometric variations across the islands, although the degree of morphological differentiation remains relatively low.