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Location India, Goa
Central coordinates 73o 50.00' East  15o 23.00' North
IBA criteria A1, A2, A4i, A4iii
Area 72 ha
Altitude 0
Year of IBA assessment 2004

Bombay Natural History Society



Site description Carambolim lake lies in Ilhas taluka, about 12 km from Panjim, the capital of Goa. It is spread over an area of 70 ha, of which 40 ha is under water for most of the year. In order to grow paddy, a number of minor irrigation tanks have been developed in Goa. These tanks are made by the impoundment of run-off during the monsoon. They are also a natural source of fish, because every year, before the monsoon, the remaining water is drained out to empty the tanks and the fish are harvested. The sluice gates of Carambolim lake at the southeastern side are kept closed from late July to early May next year. The impounded water is used for irrigation of paddy fields in the lower reaches on the southern side of the lake (Shanbhag et al. 2001). The western embankment of the lake serves as the base for the recently laid Konkan railway track, while the eastern side has been partially cleared of its scrub forests, mango and cashew groves, to pave the way for the construction of residential buildings. Coconut and mango trees fringe the remaining sides of the lake. The water depth is between 1.5 m to 3 m, depending upon the season. The lake lies between the estuarine zone of the Mandovi and Zuari rivers. The main vegetation consists of Nymphea stellata, a rooted plant with floating leaves, Oryza rufipogon, an emergent wild paddy, and submerged Hydrilla verticillata.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Garganey Spatula querquedula 2004  present  A4i  Least Concern 
Lesser Adjutant Leptoptilos javanicus resident  2004  present  A1  Vulnerable 
Greater Spotted Eagle Clanga clanga winter  2004  present  A1  Vulnerable 
Indian Vulture Gyps indicus non-breeding  2004  present  A1  Critically Endangered 
Malabar Parakeet Psittacula columboides 2004  present  A2  Least Concern 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -
Coastline   -
Artificial - terrestrial   -

Land use

Land-use Extent (% of site)
water management -
Notes: Irrigation

Acknowledgements Key contributors: A. B. Shanbhag and Heinz Lainer.

References 

Lainer, H. (1999) Birds of Goa. J. Bombay Nat. Hist. Soc. 96 (2): 203-220.

Shanbhag, A. B., Walia, R. and Borges, S. D. (2001) The impact of Konkan Railway Project on the avifauna of Carambolim Lake in Goa. Zoo’s Print Journal 16(6): 503-508.

Wetlands International (2002) Waterbird Population Estimates- Third Edition. Wetlands International Global Series No. 12, Wageningen, The Netherlands.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Carambolim Wetlands. Downloaded from http://www.birdlife.org on 28/07/2014

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