Tree species diversity and community composition in a human-dominated tropical forest of Western Ghats biodiversity hotspot, India

Anitha, K and Joseph, Shijo and Chandran, Robert John and Ramasamy, EV and Narendra Prasad, S (2010) Tree species diversity and community composition in a human-dominated tropical forest of Western Ghats biodiversity hotspot, India. Ecological Complexity, 7 (2). pp. 217-224.

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Abstract

The structure, function, and ecosystem services of tropical forest depend on its species richness, diversity, dominance, and the patterns of changes in the assemblages of tree populations over time. Long-term data from permanent vegetation plots have yielded a wealth of data on the species diversity and dynamics of tree populations, but such studies have only rarely been undertaken in tropical forest landscapes that support large human populations. Thus, anthropogenic drivers and their impacts on species diversity and community structure of tropical forests are not well understood. Here we present data on species diversity, community composition, and regeneration status of tropical forests in a human-dominated landscape in the Western Ghats of southern India. Enumeration of 40 plots (50 m � 20 m) results a total of 106 species of trees, 76 species of saplings and 79 species of seedlings. Detrended Correspondence Analysis ordination of the tree populations yielded five dominant groups, along disturbance and altitudinal gradients on the first and second axes respectively. Abundant species of the area such as Albizia amara, Nothopegia racemosa and Pleiospermum alatum had relatively few individuals in recruiting size classes. Our data indicate probable replacement of rare, localized, and oldgrowth ‘specialists’ by disturbance-adapted generalists, if the degradation is continuing at the present scale.

Item Type: Article
Additional Information: Copyright of this article belongs to Elsevier
Uncontrolled Keywords: Primary forest species Generalist species Detrended Correspondence Analysis Disturbances Anaikatty hills
Subjects: C Publications by ATREEians > G Journal Papers
Divisions: Publications by ATREEians > Journal Papers
Depositing User: Users 12 not found.
Date Deposited: 17 Feb 2014 10:57
Last Modified: 27 Oct 2016 07:12
URI: http://eprints.atree.org/id/eprint/35

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