Insight to Ecosystem Based Approach (EBA) at Landscape Level Using a Geospatial Medium |
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| Authors: | Nidhi Nagabhatla Sonali S Sellamuttu A Ghosh Bobba Max Finlayson Rohan Wickramasuriya Martin Van Brakel S Narendra Prasad Chiranjibi Pattanaik |
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| Institution: | (1) Said Business School, University of Oxford, Oxford, UK;(2) International Water Management Institute (IWMI) Southeast Asia Regional Office, Vientiane, Lao PDR;(3) Environment Canada, National Water Research Institute, Canada Centre for Inland Waters, 867 Lakeshore Rd., PO Box 5050, Burlington, ON,, L7R 4A6, Canada;(4) ILWS, Charles Sturt University, Albury, NSW, Australia;(5) School of Earth and Environmental Sciences, University of Wollongong, Wollongong, 2522, NSW, Australia;(6) Challenge Program on Water and Food (CPWF), Colombo, Sri Lanka;(7) Salim Ali Centre for Ornithology and Natural History (SACON), Hyderabad, India |
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| Abstract: | Ecosystem based approach (EBA) for resource management is a concerted, environmentally tuned and an integrated framework that
holistically addresses the ecological character of the natural resource, its societal benefit spectrum and its environmental
functions. In this paper, the EBA concept is closely linked with the emerging concept of multiple use systems (MUS) while
taking account of environmental, economic, and social factors that govern the ecosystems services and benefits. We elucidate
a multi-scalar approach and multiple case studies to understand EBA particularly in context of a wetlandscape. At the global
scale, Ramsar sites of international importance are geospatially analyzed with reference to their agro-ecology and biodiversity.
At regional scale, the agrarian use of inland wetlands in India was re-evaluated taking account of database from a recent
inland wetland inventory. At the local scale, drawing on the landscape characterization and the ecological economics for fresh
water Lake Kolleru in India and the Muthurajawela Marsh-Negombo Lagoon coastal marsh in Sri Lanka, we illustrate some of the
practical challenges in balancing wetland conservation, development needs and the overall well-being of local people. We also
discuss how variability in the scale, geophysical characteristics of the site and the data availability confines the ability
to simplify a single complete approach to address issues in complex ecosystem such as wetlands. All levels of the study are
supported by a variety of earth observation data and the geographical information system (GIS) tools. The site level analysis
also draws on socio-economic assessment tools. |
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