Diyasaru Uyana Park Diyasaru Uyana Park , also known as Thalawathugoda Wetland (Sinhala: දියසරු උයන), is an urban wetland park situated in Thalawathugoda in Colombo District, Sri Lanka. The park was formerly known as the Thalawathugoda Bio-diversity Study Park. History
Before the year 1980, the site was a paddy land used by the public. It was then used to dump the dredged materials of the new Parliament Development Project . As a result of that, the site gradually became a marshy land swallowed by natural vegetation. However, the site was subjected to land encroachment by people as well as by some invasive plants such as Wel-atha, Acacia and Diyapara.
The site is situated in a flood detention area and therefore, it already has become an important wetland that helps to clean the polluted water of the Thalawathugoda catchment area before they reach Parliament Lake Diyawannawa . However, the flash flood that occurred in 2010, emphasized the proper management of flood retention areas including the Thalawathugoda…
