Pallikaranai Marshland: A crucial haven for migratory birds threatened by pollution

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By Roshne Balasubramanian

Jan 21, 2024

The Margazhi Birds Thiruvizha, an inclusive photo walk curated by Madras Photo Bloggers and Care Earth Trust was conducted on Saturday, 20 January, 2024.

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In collaboration with the Tamil Nadu Forest Department and the Conservation Authority of Pallikaranai Marshland, the assembly included a sign interpreter also.

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As we absorbed the sight of various other species, Ranjith Daniels RJ, ornithologist, directed our attention by saying, “this area is likely the last natural urban wetland in the city.”

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Unlike coastal wetlands such as Pulicat and Kazhuveli, which consist mainly of brackish water, it features a combination of freshwater and brackish water, resulting in a diverse habitat.

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Functioning as a buffer zone in the flood-prone city, this extensive marsh spans about 600 hectares. Due to external manipulation of the wetland, it has been divided into segments.

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Another notable concern is the invasion of the hazardous plant, Prosopis juliflora known as Veli Kathan or Seemai Karuvelam Maram, native to Mexico.

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Pallikaranai is situated within the Central Asian Flyway. It is a significant migratory route that lures birds from Eurasia during their winter migration.

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After decades of anticipation only time will reveal whether the land and its migratory guests can withstand the challenges of time and human indifference.

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