page_title: Tholkappia Poonga
section_title: Phase I
hierarchical_section_title: Tholkappia Poonga / Phase I
caption_attribution_description: English: Photoed using Samsung Wave 525.
context_page_description: Tholkappia Poonga or Adyar Eco Park is an ecological park set up by the Government of Tamil Nadu in the Adyar estuary area of Chennai, India. According to the government, the project, conceived based on the master plan for the restoration of the vegetation of the freshwater ecosystems of the Coromandel Coast, especially the fragile ecosystem of the Adyar estuary and creek, was expected to cost around ₹ 1,000 million which will include the beautification of 358 acres of land. The park's ecosystem consists of tropical dense evergreen forest, predominantly comprising trees and shrubs that have thick dark green foliage throughout the year, with over 160 woody species, and comprises six vegetative elements such as trees, shrubs, lianas, epiphytes, herbs and tuberous species. The park was opened to public by Chief Minister M. Karunanidhi on 22 January 2011 and named after the renowned Tamil scholar Tholkappiar. About 65 percent of the park is covered by water and artefacts and signages.
context_section_description: Pitchandikulam Forest Consultants are the lead consultants in the ecological restoration of 58-acres of the Adyar Creek estuary. As part of the master plan for the restoration of the creek area, a 40-m causeway connecting Karpagam Avenue near Greenways Road with Mandaveli was demolished and was replaced by a wooden bridge 40-m long and 3-m wide. Along South Canal Bank Road, a mangrove forest has been created, as the soil is well suited for such growth. In the first phase of the ecological restoration plan which covers 58 acres costing ₹ 230 million, more than 91,280 varieties of saplings of 172 endemic species of trees, herbs, shrubs, reeds and tuberous plants were planted to serve as habitat for aquatic, terrestrial and arboreal species, chiefly at locations such as the entrance plaza, swale area near Town Planning Scheme Road, the rear side of Ambedkar Manimandapam and along Santhome entrance plaza, lakes were desilted, and a play area for children was created. About 37,600 reeds have been planted along the water margins.
  Development works include land development (including excavation), construction of visitors' orientation area, three wooden bridges and a steel bridge for sightseers, a green centre, nursery building, children's interactive learning centre, environmental education centre, bamboo pavilions, signages and exhibits. The green centre has been planned in the erstwhile fisheries building near Ramakrishna Mutt Road. An audio visual room, environmental education centre, library to document creek activities, laboratory to check water quality, a souvenir shop, coffee corner, all form part of the centre. The CRRT had to excavate 150,000 tonnes of construction debris and garbage from the site to create a water body embellished with earthen pathways, wooden bridges, signage and bamboo pavilions. A total of 266,000 cubic metres of earth was removed from the site to create a park. The Phase I of the park has 136,560 plants of 172 indigenous species with about 1,000 name boards with inscriptions of the botanical names. It also includes solar-powered lights, seven water tanks, PVC pipes for a length of 3,100 m, and roads and pathways stretching 4 km on the 58-acre campus. The environmental clearance for the Adyar Poonga was obtained from the Union ministry of environment and forests in mid-January 2011. The park was opened to public on 22 January 2011. One fourth of the 58-acre park would be the conservation zone to which public would have no access. A ticket plaza has been built near Brodies Castle Road.
  About 4.16 acres of Phase I development has been categorised as Coastal Regulatory Zone (CRZ) III. The Phase I consists chiefly of wetland habitat with 70 percent water. A number of stormwater drains carrying water to the Adyar River are being diverted by the Chennai Corporation for better recharge of water in the eco-park. The new inlets of the drain would pass through South Canal Bank Road, Rohini Garden and Karpagam Avenue. These will be in addition to existing stormwater drain inlets along roads such as R. K. Mutt Road.
caption: The water quality has improved since the creation of the eco-park
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