Vegetation in Vallanadu Blackbuck Sanctuary
Vallanadu Blackbuck Sanctuary in the hilly areas of Thoothukudi district (Tamil Nadu). Thoothukudi is situated in the extreme southeastern corner of Tamil Nadu. It is bounded on the north by the districts of Tirunelveli, Virudhunagar and Ramanathapuram, on the east and southeast by Gulf of Mannar and on the west and southwest by the district of Tirunelveli.
Vallanad and Kurumalai hills are important hills in the area. The Vallanadu range of hills forms an abundant backdrop to the Vallanadu sanctuary. The sanctuary is spread over 1,641 hectares around these hills.
The dominant forest type in Vallanadu Blackbuck Sanctuary is that of Scrub Forests. In scrub forests the landscape is dominated by short, drought resistant pine or scrub oak trees that grow 1 to 3 meters tall. Scrub forests are characterized by having mild winters with abundant rainfall, followed by very dry summers. During the dry summer months the majority of plant life remains dormant. Both deciduous and evergreen trees are found in scrub forests.
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