Ashtamudi Lake: Location, Ramsar Status and Ecological Importance

Introduction: Ashtamudi Lake is a major backwater ecosystem in Kerala, known for its branching waterways, rich biodiversity and importance to fisheries, inland navigation and tourism.

Key pointers

  • Location: Kollam district, Kerala.

  • Lake type: Estuarine backwater system.

  • Name meaning: Ashtamudi refers to its eight-branched appearance.

  • Ramsar status: Designated a Ramsar Site in 2002.

  • Hydrological connection: Linked to the Arabian Sea through the coastal water system around Kollam.

  • Ecological importance: Supports fish, shellfish, aquatic vegetation and other wetland organisms.

  • Livelihoods: Important for fishing, clam collection, transport and tourism.

  • Environmental threats: Sewage discharge, industrial pollution, encroachment and changes in water quality.

  • Wetland significance: Estuarine wetlands provide habitat, support nutrient cycling and help sustain local livelihoods.

UPSC focus: Ashtamudi Lake is a Ramsar wetland in Kerala. Do not confuse it with Vembanad Lake, another major Ramsar wetland in the state.