A comparative assessment on regeneration status of indigenous woody plants in Eucalyptus grandis plantation and adjacent natural forest |
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| Authors: | Shiferaw Alem Tadesse Woldemariam |
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| Institution: | (1) Ethiopian Institute of Agricultural Research, Forestry Research Center, P.O. Box 30708, Addis Ababa, Ethiopia;(2) Department of Biology Education, Addis Ababa University, P.O.Box 1176, Addis Ababa, Ethiopia |
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| Abstract: | Diversity, density and species composition of naturally regenerated woody plants under Eucalyptus grandis plantation and the adjacent natural forest were investigated and compared. Twenty plots, with an area of 20 m × 20 m for
each, were established in both of E. grandis plantation and adjacent natural forest, independently. In each plot, species name, abundance, diameter and height were recorded.
Numbers of seedling were collected in five sub-plots (4 m2) within each major plot. A total of 46 species in the plantation, and 52 species in the natural forest, which belongs to
36 families were recorded. The diversity of species (H′) is 2.19 in the plantation and 2.74 in the natural forest. The density of understory woody plant was 3842 stems/ha in the
plantation and 4122 stems/ha in the natural forest. The densities of seedlings in the natural forest and the plantation were
8101 stems/ha and 4151 stems/ha, respectively. High similarity of woody species composition was found between the natural
forest and the plantation. The E. grandis plantation was found favoring the regeneration and growth of Millitia ferruginia and Coffea arabica in a much better way than other underneath woody species. |
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| Keywords: | E grandis natural forest natural regeneration plantation woody species diversity |
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