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All Journal Biogenesis: Jurnal Ilmiah Biologi JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Biologi Universitas Andalas Aceh Journal of Animal Science JURNAL EDUCATION AND DEVELOPMENT Jurnal Matematika UNAND Lombok Journal of Science Biodiversitas Journal of Biological Diversity
Aadrean Aadrean
Universitas Andalas
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics

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Morphology and molecular studies to reveal the taxonomic status of endemic fish Barbonymus belinka of Lake Singkarak, West Sumatra, Indonesia VIOLA MUTIARA SALIS; Djong Hon Tjong; Syaifullah Syaifullah; Dahelmi Dahelmi; Aadrean Aadrean; Dewi Imelda Roesma
Biodiversitas Journal of Biological Diversity Vol. 26 No. 2 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260203

Abstract

Abstract. Salis VM, Tjong DH, Syaifullah, Dahelmi, Aadrean, Roesma DI. 2025. Morphology and molecular studies to reveal the taxonomic status of endemic fish Barbonymus belinka of Lake Singkarak, West Sumatra, Indonesia. Biodiversitas 26: 536-550. Species identification is very important in taxonomy and conservation. There are some cases where the distinctive morphological characters of a species show minor differences; for example, the Balingka fish (Barbonymus belinka), endemic to Lake Singkarak, West Sumatra, Indonesia and the Kapiek fish (Barbonymus schwanefeldii). The local community around Lake Singkarak gives two names to the Balingka fish based on size (the larger ones are called Balingka, and the smaller ones are called Kapiek), it can affect the taxonomy and validity of biodiversity data. The lack of comprehensive information on B. belinka has led to the species being classified as Data Deficient (DD) on the IUCN Red List. Additionally, the presence of a DNA barcode for Balingka fish in the BOLD system, listed under a different species name than in GenBank (NCBI), raises concerns about potential species misidentification and data inconsistencies. A thorough taxonomy review of Balingka fish (B. belinka) is necessary, utilizing both morphological and molecular approaches. This study aims to clarify the taxonomy and investigate the phylogenetic relationships of the two fish species through morphological and molecular analyses, utilizing Cytochrome Oxidase-I and Cytochrome b gene sequences. Individual samples were used for morphological identification, while liver tissue was used for molecular analysis. The results showed morphometric variations, but meristic traits confirmed that both fishes belong to the same species, B. schwanefeldii. Molecular analysis shows a genetic distance of 0-1.4% for Cytochrome Oxidase-I gene and 0-2.3% for Cytochrome b gene, indicating the same species. Two specific bases at 585 bp of the Cytochrome Oxidase-I gene and four specific bases at 599 bp of the Cytochrome b gene are also found unique to B. schwanefeldii from Lake Singkarak, suggesting that these two fishes may represent the same species.
Home range of rehabilitated siamang (Symphalangus syndactylus) in fragmented forest areas of South Solok, West Sumatra, Indonesia RIFTA SEPTIAVI; AADREAN AADREAN; RIZALDI RIZALDI; AURELIEN F. BRULE
Biodiversitas Journal of Biological Diversity Vol. 27 No. 1 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270113

Abstract

Abstract. Septiavi R, Aadrean, Rizaldi, Brule AF. 2026. Home range of rehabilitated siamang (Symphalangus syndactylus) in fragmented forest areas of South Solok, West Sumatra, Indonesia. Biodiversitas 27 (1): d270113. https://doi.org/10.13057/biodiv/d270113. Effective post-release adaptation is critical to the long-term success of primate reintroduction programs, yet empirical data on how release duration influences ranging behavior remain limited. This study examined the home range size and spatial use of three rehabilitated siamang (Symphalangus syndactylus) pairs released in fragmented forest areas in the Bukit Tengah Pulau and Bukit Salo forests within the PT KSI concession of South Solok, West Sumatra, Indonesia. The subjects were released at different adaptation durations (9 months, 6 months, and 3 months) before observation. Home range estimates based on the Minimum Convex Polygon (MCP) method showed exploration areas of 26.64 ha, 23.45 ha, and 18.35 ha, respectively. Kernel Density analysis indicated that siamangs with shorter adaptation periods exhibited movements concentrated near feeding sites, whereas those with longer adaptation periods were more dispersed, reflecting greater foraging independence. The Kruskal-Wallis test revealed significant differences in home range size among groups (p<0.05). These findings indicate that longer post-release periods may facilitate greater ranging capacity, an essential factor for territory establishment and survival in the wild. These findings provide evidence-based guidance for optimizing release protocols in future primate conservation programs. Extended monitored release period conditioning combined with post-release habitat restoration is therefore recommended to improve long-term reintroduction success of siamangs and other arboreal primates.
Co-Authors AHMAD FAKHRI Ahmad Mursyid Ahmad Rizaldy Fanbudy Antika Fardilla AURELIEN F. BRULE Cynthia Ericca Dahelmi Dahelmi Dewi Imelda Roesma Djong Hon Tjong Hanif Fadly Henny Herwina Heru Handika Indra Junaidi Zakaria Jabang Nurdin Janra, Muhammad Nazri Mahfud Huda Nur Halimah Rangkuti Nurainas Nurainas Ratih Wulandari Ratna Juwita T Retno Prihatini Rifta Septiavi RIFTA SEPTIAVI Risqi Mutia Arba Rizaldi Rizaldi Rizka Sefmaliza Syafwan, Mahdhivan Syaifullah Syaifullah SYAIFULLAH SYAIFULLAH Syamsuardi Syamsuardi SYED ABDUL JABAR Taufiq Afdhal VIOLA MUTIARA SALIS Wilson Novarino