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Location India, Tamil Nadu
Central coordinates 79o 11.12' East  10o 58.02' North
IBA criteria A1, A4i, A4iii
Area 454 ha
Altitude
Year of IBA assessment 2004

Bombay Natural History Society



Site description Tiruchirappalli district of Tamil Nadu has a large number of irrigation reservoirs, fed by the River Kaveri and by rainwater. Karaivetti is one such lake, about 50 km northeast of Tiruchchirappalli town. This freshwater lake is fed by Pullambadi, Kattalal canal. It is the biggest waterbody in the district and attracts hundreds of thousands of birds every year. Considering its importance as a bird habitat, the Government of Tamil Nadu declared it as a bird sanctuary in 1999. When full, the lake can hold water to an average depth of 3 m (Anon. 1993). From April to August, the water level is low. In the northern dry part of the lake, cotton, castor, maize, gram and coriander are cultivated annually, while in the wetter southern part, paddy and sugarcane are cultivated. The natural and planted vegetation consist of Acacia nilotica, Prosopis chilensis, Azadirachta indica and Tamarindus indica. The Acacia nilotica plantation is the major nesting site for birds. In the wetland, Typha angustata and Fimbristylis sp. are present. Ipomea aquatica grows as a weed in many parts of the reservoir. Floating and partly submerged plants include Elodea, Hydrilla, Salvinia and Spirodella sp.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bar-headed Goose Anser indicus 2004  present  A4i  Least Concern 
Spot-billed Pelican Pelecanus philippensis resident  2004  present  A1, A4i  Near Threatened 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Karaivetti Sanctuary 454 is identical to site 454  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - aquatic   -

Land use

Land-use Extent (% of site)
agriculture -
Notes: Agriculture
water management -
Notes: Watershed management

Acknowledgements Key contributor: A. Relton.

References 

Anonynous (1993) Directory of Indian Wetlands, 1993. WWF India, New Delhi and Asian Wetland Bureau, Kuala Lumpur.

Anonynous (undated) Karaivetti Bird Monitoring Project. Nature Club, Bishop Heber College, Tiruchirappalli. Pp.19.

Relton, A. (1998) Threatened birds of Karaivetti Bird Sanctuary, Tiruchirapalli-Tamil Nadu. Newsletter for Birdwatchers 38: 21- 22.

Wetlands International (2002) Waterbird Population Estimates: Third Edition. Wetlands Internationl Global Series No. 12. Wageningen, the Netherlands.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Karaivetti Wildlife Sanctuary. Downloaded from http://www.birdlife.org on 30/07/2014

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