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Chilika Lake: Ramsar site (Wetlands) in India
About Chilika Lake
- It is a brackish water lagoon.
- It is India’s largest coastal lagoon and the 2nd largest lagoon in the world.
- It is the first Ramsar site in India designation on 1st October 1981.
- World Tourism Organisation (WTO) designated it the 8th “Destination Flyways” in the world and first in India.
- It is the largest migratory birds nesting ground in India.
- Location – Puri, Khurda, and Ganjam districts of Odisha
- Area of wetland – 1,16,500 hectares
- Designation: Criteria 2 – Criteria based on species and ecological communities
- Protection Status – 15.5 km2 island Nalabana designated as Bird Sanctuary
- Wetland Type – Natural lagoon
- It was added to the Montreux Record in 1993 and removed from the record in 2002
Species richness found in Chilika Lake
- 225 Birds
- 300+ Fishes
- 18 Mammals
- 37 Reptiles & Amphibians
- 900+ Plants
Some important species found in Chilika Lake
- Scalloped Hammerhead – Critically endangered
- Smalltooth Sawfish – Critically endangered
- Ganges Shark – Critically endangered
- Irrawaddy Dolphin – Endangered
- Winghead Shark – Endangered
- Longhead Eagle Ray – Endangered
Values and Benefits of Chilika Lake
- 12,500 MT of commercial fish harvested annually from here
- 10,000 MT of plants harvested annually
- Provide several medicinal and ornamental resources
- 10-17 tonne CO2 blue carbon equivalent soaked by seagrass beds
- It acts as buffers for communities from storms and cyclones
- Helps in stabilizing Coastline
- It accounts for 70% of migratory fish and 100+ intercontinental migrant waterbirds
- Over 0.5 million tourists visit here annually
- Scientific and educational importance
- Cultural importance – Kalijai temple and several historical sites found here
- It helps in purifying water
Major threats for Chilika Lake
- Siltation
- Pollution from settlements
- Illegal aquaculture
- Unsustainable fish harvest
- Phragmites in northern sector
- Unsustainable tourism
- Extreme events changes lagoon mouth