what are the environmental implications of the reclamation of the water bodies into urban land use? Explain with examples. (Answer in 150 words)

Reclaiming lakes, ponds and wetlands for urban land removes natural hydrological infrastructure and externalises ecological costs.

Environmental implications

• Loss of storage and infiltration increases urban flooding, as seen in the recurrent flooding of Bengaluru’s lake networks and Chennai’s wetland landscape.
• Groundwater recharge declines while paved surfaces accelerate runoff and sewage inflows.
• Wetland habitats, migratory bird sites and aquatic biodiversity are fragmented.
• Pollutant dilution and nutrient cycling weaken, causing eutrophication, foul odour and disease risk.
• Local humidity and temperature moderation decline; reclaimed lowlands may also amplify heat and subsidence risks.

Governance response

• Map and notify water bodies, enforce buffer zones, restore feeder channels and adopt blue-green infrastructure.
• Urban plans should value ecosystem services rather than treat wetlands as vacant land.

Reclamation may create short-term land supply but increases long-term disaster and public-health costs. Restoration and demand-managed urban growth are safer alternatives.