The Ramsar Convention, the town it is named after and what a listing obliges a country to do
Background
This background is anchored to the listing of Chandigarh's Sukhna wetland as a Ramsar site.
The Ramsar Convention is an environmental treaty on wetlands, adopted in the town of Ramsar in Iran.
It was established in 1971, and sites listed under it are called wetlands of international importance.
Designating a site commits the country to establishing and overseeing a management framework to conserve it.
The Ramsar Secretariat gives each listed wetland its own site number, and Sukhna in Chandigarh is Site No. 2602.
A listing also recognises the wetland's value as habitat for resident and migratory birds, reptiles and other wildlife.
In the Indian subcontinent many such wetlands serve birds that travel along the Central Asian Flyway.
In plain words
Ramsar Convention Convention on Wetlands — The environmental treaty under which countries list and undertake to conserve important wetlands.
Central Asian Flyway Migratory bird route — The route along which birds move between northern Asia and the Indian subcontinent.