FLORISTIC COMPOSITION AND BIOLOGICAL SPECTRUM STUDY NEAR THE MINING CLUSTER AT KEONJHAR DISTRICT, ODISHA, INDIA
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 0, Vol 5, Issue 2
Abstract
A total of 192 numbers of species belonging to 68 families out of which 74 species of trees, 27 climbers, 23 shrubs, 62 herbs and 6 fern species were recorded. Highest number of species was found in Zone II (141 numbers) followed by Zone I (101 numbers), Zone III (93 numbers) and Zone IV (90 numbers). It was observed that, in all the four Zones Shorea robusta was the dominant tree species with an IVI value of 17.2 in Zone I, 10.63 in Zone II, 23.7 in Zone III and 19.43 in Zone IV. The Shannon-Weiner diversity index for the tree was recorded highest in Zone II (3.87) followed by Zone I (3.29), Zone III (3.23) and Zone IV (3.14). The species evenness index for tree species was found to be highest in Zone IV (0.32) followed by Zone III (0.28), Zone I (0.27) and Zone II (0.18). The Simpson’s dominance index for tree species was found to be highest in Zone IV (0.047) followed by Zone III (0.046), Zone I (0.043) and Zone II (0.023). The species richness index has been found to be in the order of Trees>Shrubs>Herbs.
Authors and Affiliations
Dash A. K
Keywords
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