Urban ecological parks along river estuaries serve both conservation and recreational functions — discuss with examples from Indian cities.

Urban ecological parks are restored river-edge landscapes that revive native habitat while opening green space to citizens. In estuarine cities, where sewage inflow and encroachment have degraded riverfronts, such parks attempt to reconcile ecological repair with public recreation — a dual mandate now central to India's urban river agenda.

The conservation function

• Habitat restoration: Chennai's Tholkappia Poonga (Adyar Eco Park), a 58-acre site in the Adyar estuary restored between 2008 and 2011, removed invasives and 2.80 lakh cubic metres of sludge, raising recorded animal species from 141 to about 424 [1].
• Floodplain and hydrology: Delhi's Yamuna Biodiversity Park near Wazirabad, developed by the DDA with the University of Delhi's CEMDE, conserves threatened Yamuna-basin plant communities and its floodplain wetland stores large volumes of flood water annually [2].
• Riverbank stabilisation: the Greater Chennai Corporation, under Chennai Rivers Restoration Trust works, has laid permanent fencing and a maintenance way with 72,660 riverine saplings along the Adyar from Thiru.Vi.Ka. Bridge to the Airport Runway Bridge [3].
• Legal anchoring: estuarine sites fall within the Wetlands (Conservation and Management) Rules, 2017, which regulate prohibited and permitted activities in notified wetlands [4].

The recreational and civic function

• Tholkappia Poonga runs guided nature walks, walker passes, and an environmental education centre that has hosted over 1.12 lakh students [1].
• Yamuna Biodiversity Park offers free DDA-guided nature walks, delivering educational and recreational services to city residents [2].
• Recreation builds the political constituency that sustains restoration; unregulated footfall, however, can stress fragile estuarine habitat, making zoning and carrying-capacity limits essential.

The two functions are complementary rather than competing: conservation supplies the ecological asset, recreation supplies public ownership of it. Scaling this model — through state river-restoration trusts, wetland notification under the 2017 Rules, and community stewardship — can make Indian riverfronts both biodiverse and liveable, advancing SDG 11 (sustainable cities) and SDG 15 (life on land).