Pulicat Lake: Ecological Significance and Biodiversity Conservation

Pulicat Lake

Context

Recently, Pulicat Lake has attracted birdwatchers and photographers from different parts of South India due to the seasonal arrival of flamingos and other migratory birds.

About Pulicat Lake

  1. Pulicat Lake is the second-largest brackish water lagoon in India after Chilika Lake and spreads across Andhra Pradesh and Tamil Nadu.
  2. It is a shallow coastal lagoon located along the Bay of Bengal and is separated from the sea by Sriharikota Island.
  3. The lagoon receives inflows mainly from the Aarani River in the south and the Kalangi River in the northwest, while the Buckingham Canal passes through it.
  4. Pulicat Lake was designated as a Ramsar Site in 2002 because of its ecological significance.
  5. It represents an ecotone where freshwater and marine ecosystems interact, supporting rich aquatic biodiversity such as mudskippers, seagrass beds and oyster reefs.
  6. The lake serves as an important habitat for more than 200 bird species, including migratory birds such as flamingos, Eurasian curlews, oystercatchers, bar-tailed godwits and sand plovers.
  7. The surrounding region also supports nearly 132 plant species, including Walsura piscida, Manilkara elengi, Excoecaria agallocha, Spinifex littoreus and Calamus viminalis.