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Avifauna in Three Vegetation Types on Mundanthurai Plateau, South India
A. J. T. Johnsingh and Justus Joshua
Journal of Tropical Ecology
Vol. 10, No. 3 (Aug., 1994), pp. 323-335
Published by: Cambridge University Press
Stable URL: http://www.jstor.org/stable/2560317
Page Count: 13
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Patterns of bird species diversity within three vegetation types were investigated by the line transect method on Mundanthurai Plateau, South India. Minimum numbers of species and individuals were seen in the study area during July and August. Such seasonal variation was more pronounced in riverine and dry deciduous forest than in the secondary vegetation which was avoided by most of the winter migrants. There was a greater species overlap between riverine and dry deciduous forest than between riverine and secondary vegetation. No relationship could be established between bird species diversity and tree species/foliage height diversity. The secondary vegetation had fewer specialized forest species and more generalists. Larger birds (>200 g) were rare but smaller ones (<50 g) were more common. The paper emphasizes that the conservation status of avifauna in managed forests in India needs to be assessed and monitored.
Journal of Tropical Ecology © 1994 Cambridge University Press