PJB-2023-53
Investigation of Plant Diversity and Structure in Eight Selected Vegetation Patches of Wollo Islamic Cultural Centers, Ethiopia
Wondye Kebede Mohammed
Abstract
The purpose of the study was to investigate plant diversity, species composition and structure of the forest patches in Islamic cultural centers of Wollo, Ethiopia. Eight Islamic cultural centers “Harima” forest patches were selected. A total of Sixty three plots of 20 x 20 m2 were used to measure trees and 5 x 5 m2 in the center for shrubs, and five 1 × 1 m2 subplots inside the main plot, one in the middle and four at each corner were used to measure the herbs. About 203 plant species belonging to 144 genera and 66 families were found. Of these, 102 species (50.2%) were herbs, 48 species (23.7%) shrubs, 43 species (21.2%) trees, and 10 species (4.9%) climbers. The Asteraceae family was dominant with 29 (14.29%) species, followed by Fabaceae (16.8%), Lamiaceae (15.3%), Poaceae (11.5%), and Euphorbiaceae (8.39%) species. The Shannon diversity and evenness of the forest patches were 4.38 and 0.898, respectively which is relatively high. A total density of 1007.94ha-1 was counted in the sample plots. The density of height and DBH classes showed bell-shape pattern. The total basal area was (157.48 m2 ha-1) mainly dominated by nine indigenous woody species. These forest patches had fair regeneration potential. Species with low important value index (IVI) and abundance need to be prioritized for conservation.
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