Diversity Indices of a Typical Tropical Watershed in Anambra State Nigeria

Abstract

The indices of Diversity that were employed in this study included: Species Richness, Shannon wiener Diversity index and Evenness. The sites that made up this watershed include the forest site – which was dominated by trees, climbers and shrubs, forb population was highly insignificant, while the grasses were represented by only two species – Panicum maxima and Imperata cylindrica. The short term fallow site was dominated by forbs and grasses; shrubs, climbers and trees were not significantly represented. The long term fallow site was dominated by forbs, shrubs and grasses; trees and climbers were sparse. The current usage farming site was dominated by forbs, trees were absent in this site.