Diversity and distribution of tree species in tropical forests of Northcentral Eastern Ghats, India

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D. PREMAVANI
M. TARAKESWARA NAIDU
O. ANIEL KUMAR
M. VENKAIAH

Abstract

Premavani D, Naidu MT, Kumar OA, Venkaiah M. 2017. Diversity and distribution of tree species in tropical forests of
Northcentral Eastern Ghats, India. Asian J For 1: 27-32. The diversity and distribution of tree species were studied in three 1 ha sites of
tropical forests in the northcentral Eastern Ghats of India. The phytosociological data from forest sites were analyzed quantitatively to
determine the basal area, species diversity, richness and stand density. A total of 1,507 individuals of 104 plant taxa, pertaining to 82
genera under 41 families were enumerated at ≥15 cm gbh using belt transects (5 m × 1000 m). Tree stand density varied from 371-660
individuals per ha while average basal area ranged from 14.54 – 46.51 m2 ha-1. Shannon-Weiner Index (H') ranged from 0.97-0.98,
Equitability or evenness index ranged from 0.70-0.79 and Margalef richness index ranged from 10.54 – 10.82. The most dominant
families were Rubiaceae, Euphorbiaceae, Fabaceae, Moraceae, and Verbenaceae. Our results suggest further development of forest
management and biodiversity conservation in Eastern Ghats region.

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