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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 4 March, 2009
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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. |
