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Tamil Nadu Wetlands Mission

Karaivetti Bird Sanctuary

Karaivetti bird sanctuary is located in Ariyalur District (10? 58' 32.232'' N 79? 2' 40.4124'' E) and covers an area of 453.7 ha. The Sanctuary lies in the Central Asian Flyway and is an important breeding and foraging site for both resident and migratory birds. The wetland has been declared as Ramsar site with site number 2537. Karaivetti Bird Sanctuary is one of the Important Bird Areas (IBA's) of Tamil Nadu (Code No. IN ? TN -13, Criteria: A1, A4i, A4iii). The site acts as home for more than 500 species of Flora and fauna. The sanctuary is one of the largest inland wetlands of Tamil Nadu and also helps in irrigation and recharging the ground water of the area. The lake is supplemented by the north-east monsoon rainfall from October till January

Salient Features

Provides nesting habitat for threatened species, The Crop yields are enhanced by guano (bird excreta) produced by the migratory and resident birds, International bird and biodiversity area code: IN-TN-13.

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Location Ariyalur
Area 453.7 hectares
Wetland Type Inland wetland - Permanent freshwater lakes
Date of Designation 24-05-2023
Ramsar Site No. 2537

Values and Benefits

  • Provisioning Services
  • Fresh water
  • Regulating Services
  • Maintenance of hydrological regimes
  • Erosion protection
  • Climate regulation
  • Hazard reduction
  • Biological control of pests and disease
  • Cultural Services
  • Recreation and tourism
  • Supporting Services
  • Biodiversity
  • Pollination
  • Nutrient cycling

Threats

  • Human settlements (non agricultural)
  • Housing and urban areas
  • Water regulation
  • Dredging
  • Water abstraction
  • Water releases
  • Agriculture & aquaculture
  • Livestock farming and ranching
  • Biological resource use
  • Fishing and harvesting aquatic resources
  • Human intrusions & disturbance
  • Recreational and tourism activities
  • Climate change & severe weather
  • Habitat shifting and alteration
  • Droughts
  • Temperature extremes
  • Storms and flooding
  • Pollution
  • Agricultural and forestry effluents
  • Invasive and other problematic species and genes
  • Invasive non-native/ alien species
  • Natural system modifications
  • Vegetation clearance/ land conversion

Ramsar Criteria

1 2 3 4 5 6 7 8 9

Species Count

Birds 198
Plants 165
Mammals 10
Reptiles & Ambhibians 29
Butterflies 82

Site Images