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Integrated Urban Freshwater Landscape at Risk: Ecology, Governance, and Sustainability of Urban Wetlands in Colombo, Sri Lanka
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Author(s): M. D. K. L. Gunathilaka (University of Colombo, Sri Lanka & Yunnan University, China)and W. T. S. Harshana (Urban Development Authority, Sri Lanka)
Copyright: 2023
Pages: 32
Source title:
Climatic and Environmental Significance of Wetlands: Case Studies from Eurasia and North Africa
Source Author(s)/Editor(s): Abdelkrim Ben Salem (Faculty of Sciences, Mohammed V University, Rabat, Morocco), Laila Rhazi (Faculty of Sciences, Mohammed V University, Rabat, Morocco)and Ahmed Karmaoui (Moulay Ismail University of Meknes, Morocco & Moroccan Center for Culture and Science, Morocco)
DOI: 10.4018/978-1-7998-9289-2.ch003
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Abstract
Freshwater wetlands are more threatened than any other ecosystem in the world. The current trend of freshwater wetland crisis arises a question ‘whether it is conversion or conservation of wetlands' which is absolutely a dilemma. Therefore, this study aims critical evaluation at wetland governance and sustainability of urban wetlands in Colombo. The results reveal that the Colombo wetlands have lost their territory from a moderate to a severe degree. The wetland loss is higher in Kaduwela, Kolonnawa, and Kesbewa areas. Recently the causes of Colombo wetland loss has moved with a new frame. Land grabbing and green grabbing are the cycles that transforming the geostrategically important urban wetlands into hybrid ecosystems. Due to this, the frequency of flash flood events and inundation time has increased than ever. It is important to ensure urban freshwater wetland sustainability and surveillance following sustainable development goals and it is time to have freshwater ethics.
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