ArticleBMC ecology and evolution2025
Woody plant species diversity, vegetation structure, and regeneration status of Modi-Geyi Forest in Andracha District, Southwest Ethiopia.
Article in BMC ecology and evolution, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Ethnozoological study of medicinal animals used in traditional healthcare in Andracha District, Ethiopia.BMC veterinary research · 2026Article
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6 authors.
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Abstract
backgroundThe Modi-Geyi Forest, a moist Afromontane forest in southwestern Ethiopia, is an important biodiversity reservoir that provides critical ecological services and supports local livelihoods. However, increasing anthropogenic disturbances and land-use pressures threaten its woody species diversity, vegetation structure, and regeneration capacity. Assessing its ecological status is therefore essential for guiding conservation strategies.
methodsFifty 20 × 20 m plots (400 m² each) were systematically established along five transects, with 200 m spacing between plots and 500 m between transects. Two 5 × 5 m subplots were nested within each main plot to assess seedlings and saplings. All woody plants with DBH ≥ 2.5 cm were identified and measured. Species diversity indices, vegetation structure (DBH and height class distributions), regeneration status, and ecological importance based on the Important Value Index (IVI) were analyzed.
resultsA total of 56 woody species, representing 51 genera and 30 families, were recorded. The DBH and height distributions followed an inverted J-shape, indicating ongoing regeneration. However, some species, including Brucea antidysenterica J.F.Mill. and Phoenix reclinata Jacq., showed poor regeneration. The forest had a total basal area of 119.84 m² ha⁻¹, with Aningeria adolfi-friederici (Engl.) Robyns & Gilbert, and Schefflera abyssinica (Hochst. ex A.Rich.) Harms as dominant species by IVI. Despite generally positive regeneration, localized degradation from agricultural expansion, overgrazing, and firewood collection was evident.
conclusionModi-Geyi Forest supports moderate woody species richness and shows signs of regeneration. However, selective pressure on key species and site-specific disturbances highlight its ecological vulnerability. Conservation efforts should prioritize the protection of poorly regenerating species and the restoration of degraded patches to maintain long-term forest stability.
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