Roy, K.
Gain, A.
Mallick, B.
Vogt, J.


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This study investigates the historical development of the southwest coastal region of Bangladesh through the lens of human-delta co-evolutionary system. The change process of social and hydro-ecological systems is described based on the drivers–pressure–state–impact–response (DPSIR) framework. The multiple physical and socio-economic drivers such as climatic change, upstream development, geologic process, land use change-affected river flow, salinity, water logging and cyclones are creating adverse impacts on ecology (e.g. mangrove forest) and society (e.g. population migration). Existing management practices such as the Coastal Embankment project (CEP) also created adverse impacts on social–ecological system. In addition to the geology of this region that plays the major role in the delta development process, human interventions such as large coastal development projects have intervened the land formation processes. The trends and impacts of these changes along the coast unfold the necessity of integrated management approach such as Integrated Water Resources Management (IWRM) and Integrated Coastal Zone Management (ICZM). Comprehensive understanding of social and hydro-ecological system in southwest coastal region through DPSIR approach presented in this study can provide effective solution for implementing ongoing management strategies.

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