Sunday 26 July 2009

Semi-evergreen forests of kerala

Semi-evergreen forests (west coast semi-evergreen forests) are generally considered as a transitional stage between evergreen and moist deciduous forests. It is also found in localities where the evergreen forests are subjected to high disturbances. These forests occur between 600 to 800 m and in some places it extends up to 900 m. Animal species such as lion tailed macaque, Nilgiri langur, Nilgiri marten, small Travancore flying squirrel, brown mongoose, Malabar civet, and many birds such as the great Indian hornbill and the Bourdillon's great eared night jar occupy specific niches in these forests.The floristic composition is an admixture of both evergreen and deciduous species in the top storey. The prominent evergreen species are Artocarpus heterophyllus, Bischofia javanica, Calophyllum elatum, Euvodia lunuankenda, Hopea ponga, Mangifera indica, Mesua ferrea and Myristica dactyloides. The deciduous floral elements include Acrocarpus fraxinifolius, Bombax ceiba, Chukrasia tabularis, Dalbergia latifolia, Grewia tiliaefolia, Lagerstroemia microcarpa, Pterospermum sp., Terminalia bellirica and Toona ciliata. The species occurring in the lower layer are the same as seen in the evergreen forests.

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