Abstract
Species richness, IVI and plant diversity indices of selected biotic stress sites of Garhwal Forest Division were studied. Total density range for the tree species (Plants 100m-2) was 6.7 to 8.1; for shrubs was 48.9 to 84.9 and for herbs was 490 to 700. Total basal cover (cm2 100m-2) ranged from 386.1 to 1571 for tree, 1466.7 to 2372.5 for shrub and from 223.9 to 622.5 for herbs at different sites. Diversity index was invariably higher for herb and shrub than tree layer. Concentration of dominance showed reverse trend. It is concluded from study that site-III is highly stressed followed by site-II and site-I. Suitable measures should be adopted to conserve the invaluable plant diversity of the area.
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