Friday, 14 September 2012

Wetlands in India

Definition of Wetlands ..
Wetlands are the ecotones or transitional zones between permanently aquatic and dry terrestrial ecosystems. Ramsar Convention has defined wetlands as "areas of marsh, fen , peatland or water, whether natural or artifical, permanent or temporary with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low t ide does not exceed six meters". A wides variet y of wetlands like marshes, swamps, open wat er bodies, mangroves and tidal flats and salt marshes etc. exists in our country.

http://t2.gstatic.com/images?q=tbn:ANd9GcSBGtU1XVoJCeAfWOpa02qldQUj0LY1q3g2mQZOQONG2X-CV0ABTg
Sr. No. Name of Wetland Date of declaration State
1 Ashtamudi Wetland 19/08/02 Kerala
2 Bhitarkanika Mangroves 19/08/02 Orissa
3 Bhoj Wetland 19/08/02 Madhya Pradesh
4 Chandertal Wetland 08/11/05 Himachal Pradesh
5 Chilika Lake 01/10/81 Orissa
6 Deepor Beel 19/08/02 Assam
7 East Calcutta Wetlands 19/08/02 West Bengal
8 Harike Lake 23/03/90 Punjab
9 Hokera Wetland 08/11/05 Jammu and Kashmir
10 Kanjli 22/01/02 Punjab
11 Keoladeo National Park MR 01/10/81 Rajasthan
12 Kolleru Lake 19/08/02 Andhra Pradesh
13 Loktak Lake MR 23/03/90 Manipur
14 Point Calimere 19/08/02 Tamil Nadu
15 Pong Dam Lake 19/08/02 Himachal Pradesh
16 Renuka Wetland 08/11/05 Himachal Pradesh
17 Ropar 22/01/02 Punjab
18 Rudrasagar Lake 08/11/05 Tripura
19 Sambhar Lake 23/03/90 Rajasthan
20 Sasthamkotta Lake 19/08/02 Kerala
21 Surinsar-Mansar Lakes 08/11/05 Jammu and Kashmir
22 Tsomoriri 19/08/02 Jammu and Kashmir
23 Vembanad-Kol Wetland 19/08/02 Kerala
24 Wular Lake 23/03/90 Jammu and Kashmir
25 Upper Ganga River
(Brijghat to Narora Stretch)
08/11/05 Uttar Pradesh

Wetlands Classification Scheme
Inland Wetlands
1. Natural
  • Lakes/Ponds
  • Ox-bow lakes/ Cut-off meanders
  • Waterlogged (Seasonal)
  • Playas
  • Swamp/marsh
2. Man-made
  • Reservoirs
  • Tanks
  • Waterlogged
  • Abandoned quarries
  • Ash pond/cooling pond
Coastal Wetlands
1. Natural
  • Estuary
  • Lagoon
  • Creek
  • Backwater (Kayal)
  • Bay
  • Tidal flat/Split/Bar
  • Coral reef
  • Rocky coast
  • Mangroove forest
  • Salt marsh/marsh vegetation
  • Other vegetation
2. Man-made
  • Salt pans
  • Aquaculture

Source:http://geographyias.blogspot.in/

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