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| Last Updated:: 01/12/2020

Wetland

 The major wetland types are River/Stream (65162 ha), Lagoons (38442 ha), Reservoirs (26167 ha) and waterlogged (20305 ha).Compared to coastal land , the high land and middle land hold very few wetlands. The state consist of 160.6 thousand hectare (ha) of wetlands i.e. 4.13 per cent of the state. There are a total of 4,354 wetlands of which 2,592 are mainly wetlands with area less than2.25 ha each. Rest of the 1.762 wetlands is divided into two types- inland and coastal. Kerala has 169 natural coastal wetlads with a total area of 40.9 thousand ha. There are 1,593 inland wetlands with total area 117.1 thousand ha. 

 

 

Wetland Category

Number

of

Wetlands

Total

Wetland

Area

% of

wetland

area

Open water

 

Inland Wetlands - Natural

 

 

 

Post monsoon

Pre monsoon

 

Lakes/Ponds

3

2643

1.65

2259

2125

 

Riverine wetlands

18

410

0.26

410

410

 

Waterlogged

922

20305

12.64

11495

7771

 

River/Stream

172

65162

40.58

61853

60338

 

Inland Wetlands -Man-made

 

 

 

 

 

 

Reservoirs/Barrages

39

26167

16.29

24583

23421

 

Tanks/Ponds

439

2435

1.52

1466

530

 

Total - Inland

1593

117122

72.93

102066

94595

 

Coastal Wetlands - Natural

 

 

 

 

 

 

Lagoons

39

38442

23.94

36819

35796

 

Creeks

19

80

0.05

77

77

 

Sand/Beach

111

2354

1.47

0

0

 

Total - Coastal

169

40876

25.45

36896

35873

 

Sub-Total

1762

157998

98.39

138962

130468

 

Wetlands (<2.25 ha), mainly Tanks

2592

2592

1.61

-

-

 

Total

4354

160590

100.00

138962

130468

 

Type-wise wetland distribution in Kerala

Source: National Wetland Atlas Kerala, MoEF&CC

 

"Inventory of Natural Wetlands of Kerala State & Development of an Information System- A Holistic Approach using Remote Sensing & GIS- Part I", Part II,- Project carried out by Kerala State Remote Sensing & Environment Centre Planning (KSREC) with the Financial Assistance by KSCSTE