Pallikaranai Wetland - Importance of pallikaranai marshland ecosystem - Factins
Pallikaranai Wetland

What is Marshland, Why It is Important :

  • Marsh land is to save environment and Ground Water.
  • Marshes also improve water quality by acting as a sink to filter pollutant sand sediment from the water that flows through them.
  • Marshes and other wetlands are able to absorb water during periods of heavy rainfall and slowly release it into waterway, so it reduce the magnitude of flooding.
  • The pH in marshes tends to be neutral.
  • Wetlands are the most important of life-supporting ecosystems that have sustained human lives and communities over the millennia.
  • Defined as  ‘lands transitional between terrestrial and aquatic systems where the water table is usually the land is covered by standing water that does not exceed 6 meters’.


Importance of pallikaranai marshland ecosystem Information:

  • Pallikaranai wetland is a freshwater marsh in the city of Chennai, Tamilnadu India.
  • Pallikaranai marshland is the only Surviving wetland ecosystem of the city.
  • It is among the few and last remaining natural wetlands of South India.
  • It is one of the 94 identified wetlands under National Wetland Conservation and Management Programme (NWCMP) operationalised by the Government of India in 1985–86 .
  • It is one of the three in the state of Tamil Nadu, the other two being Point Calimere and Kazhuveli.
  • The marsh contains several rare or endangered and threatened species and acts as a forage and breeding ground for thousands of migratory birds from various places within and outside the country.
  • About 32 million litres of untreated sewage was being released every day at Thorapakkam by Metrowater, which contaminated water quality.
  • The Chennai Corporation dumps 2,000 tonnes of waste into the marsh land daily.
  • It will be a good experience and will be a great pleasure to enjoy the sunset at evening.


Birds and Species in Pallikaranai Marshland:

  • This marshland is home-shelter for 200 types of birds(approx.).
  • It contains 10 mammals, 25 types of reptiles, 50 types of fishes, butterflies, 200 types of plants(approx.) and much more.
  • Apart from all to Save Mankind for 50 million people’s living around chennai.


Some of the species and plants from Pallikaranai Marshland (Source),

Pallikaranai Wetland - Birds - Importance of pallikaranai marshland ecosystem - Factins




Impacts on Polluting Pallikaranai Marshland:

  • Today this place contains full of wastage’s.
  • Poor quality of groundwater : The quality of groundwater is getting very worse day by day as they garbage being dumped into the waters of the marshland.
  • Environmental Pollution : Burning of garbage has always been a serious issue for people and it lead to various health problems.
  • Decrease in the estuarine fauna and floras : The marshland served as forage and breeding ground for thousands of birds but we see a sharp decrease in their population because of the dump yard.
  • Reduce the effect of natural diastory : Marshland are natural flood-control agents which acts as sponges to trap the flood water, reduces the speed and slowly distribute them over the floodplain.
  • “Varda Flood 2015” very known keyword to chennai citizens. Due to this destruction of marshland we cannot restrict the flood like this.
  • Velachery, Pallikaranai and Thoraipakkam were among the worst hit areas during the December 2015 floods.
  • Experts claim that this was because they were wetlands converted into real estates and sold to IT companies.
Pallikaranai Marshland Damage - Importance of pallikaranai marshland ecosystem - Factins
Pallikaranai Marshland Damage


Dump-yard Occupancy in Marshland
Dump-yard Occupancy in Marshland


it is the government should hold the decisions that might further damage the city.

Is it …?


How Tamilnadu Government is considering Pallikaranai Marshland:

Our Tamilnadu government is full responsible to save the resource like this. Is the tamilnadu governement targetting on this ? The Answer is NO.

The main reason for polluting this Marsh land is our state government, Want a proof. Have a look at it below.


Construction Occupied Areas
The National Institute of Ocean Technology 5 acres
The Centre of Wind Energy Technology 2 acres
IT parks(From Thuraipakkam to Solinganallur) more than 100 acres
Waste management plant is planned.(Recent) 30 acres


  • The above details are well verified details, these are all constructed and occupied in marshland by the government and private with government support.
  • Still plenty of foreign visitors visiting Pallikaranai Marsh land as tourist place, but they are getting irritated by the way we are keeping it.

Are we awake here…?


So what public expecting Tamilnadu government should do ?.

  • Pallikaranai Marsh land is one of the best tourist attractions in Chennai. It spread over more than 250
  • State government should consider this as a Tourist attraction not like dump yard, then only our people will have trust on government in this aspects.
  • Government need to look at this as a Good Natural Resource, When they look at it this in that way, then only this marsh land will get saved.
  • Please see below the emotions and talks from public about this on social media.

People Emotions on Social Media about Pallikaranai Marshland:

People Speak about Marshland - Importance of pallikaranai marshland ecosystem - Factins
People Speak


Foreign Tourist Speak - Importance of pallikaranai marshland ecosystem - Factins
Foreign Tourist Speak


Public Speak - Importance of pallikaranai marshland ecosystem - Factins
Public Speak – Social Media

Quick Facts:

Header Information
Location Pallikaranai, Chennai, Tamilnadu, India
Lake type Wetland
Catchment area 235 km2 (91 sq mi)
Basin countries India
Max. length 15 km (9.3 mi)
Max. width 3 km (1.9 mi)
Surface area 80 km2 (31 sq mi)
Water volume 9 km3 (2.2 cu mi)
Surface elevation 5 m (16 ft)
Birds 200 types(approx.)
Mammals 10
Reptiles 25 types
Fishes 50(approx.)
Plants 200(approx.)
Settlements Chennai

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Importance of pallikaranai marshland ecosystem
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