Kappaphycus alvarezii invades Gulf of Mannar
The invasive Kappaphycus alvarezii seaweed, which smothers and kills coral reefs, has spread its wings to coral reef areas in Valai island in the Gulf of Mannar (GoM) and is set to invade new coral colonies in the marine national park.
Area of Influence
- After invading Shingle, Kurusadai and Mulli islands in Mandapam cluster of the GoM, the red algae invaded Valai island along Kilakarai coast following its cultivation in south Palk Bay.
- A 2005 Government Order had restricted cultivation of the exotic seaweed only to the seawaters north of the Palk Bay and South of Thoothukdi coast.
Do You Want to Read More?
Subscribe Now
To get access to detailed content
Already a Member? Login here
Take Annual Subscription and get the following Advantage
The annual members of the Civil Services Chronicle can read the monthly content of the magazine as well as the Chronicle magazine archives.
Readers can study all the material since 2018 of the Civil Services Chronicle monthly issue in the form of Chronicle magazine archives.
Ecology & Environment
- 1 Global Methane Status Report 2025
- 2 Maldives Becomes First Country to Enact Generational Tobacco Ban
- 3 New Trapdoor Spider Species Discovered in California
- 4 India to Establish National Coral Reef Research Institute
- 5 Humboldt Penguins Reclassified as Endangered in Chile
- 6 Hayli Gubbi Volcano Erupts After 12,000 Years
- 7 India Joins Tropical Forest Forever Facility as Observer
- 8 Doha Political Declaration Adopted at World Social Summit 2025
- 9 COP30 in Belém
- 10 Global Carbon Emissions to Rise Again in 2025

