Abstract
The study was carried out to assess the diversity and abundance of tree species in Federal College of Wildlife Management, New Bussa, Niger State. Twelve rectangular sample plots of 50x50m (3 hectares) were inventoried in the woodland. 273 trees per hectare were recorded, which belonged to 41 species and 18 families. Anogeissus leiocarpus was the most abundant tree species in the study area. The total basal area was 11.42m2 per hectare. Sterculia setigera had the highest mean diameter at breast height at 51.29 cm while the highest mean height of 14.87 m was recorded for Daniellia oliveri. Shannon-Weiner diversity index (H) value was 3.14. Maximum diversity index (Hmax) was estimated to be 5.61, Pielou’s species evenness index (EH) was 0.56 and Margalef’s index of species richness (M) was calculated to be 7.13. There is need to ensure continuous availability of trees in the study area through effective conservation programme.
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