ISSN 2756-3847
International Journal of Plant Breeding and Genetics ISSN 5756-2148 Vol. 6 (10), pp. 001-004, October, 2019. © International Scholars Journals
Full Length Research Paper
Qualitative analysis of tree species in evergreen forests of Kumaun Himalaya, Uttarakhand, India
Geeta Kharkwal
Department of Botany, DSB Campus, Kumaun University Nainital – 263002, Uttarakhand, India. E-mail: geetakh@gmail.com.
Accepted 14 March, 2019
Abstract
Current study provides information on the characteristics of tree species in five forests types in the Kumaun Himalaya. On the basis of importance value index, it was observed that Pinus roxburghii is the common tree species at site 1 and 2, Quercus leucotricophora is common at site 3, 4 and 5 is dominated by Quercus floribunda and Quercus semecarpifolia, respectively. Tree density (individual/100 m2) varied from 5.3 to 9.4 in different forest sites. Diversity and dominance indices showed a range of 0.1 to 1.6 and 0.6 to 1.0, respectively. Equitability index in different sites varied from 1.1 to 4.4. It was noticed that with an increase in species richness, diversity and equitability increases. Dominance value decreases with an increase in equitability and diversity indicating inverse relationship between diversity and dominance.
Key words: Diversity index, dominance index, equitability, Kumaun Himalaya.