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Evolution of coastal erosion in Palmarin (Senegal)

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Enriquez de Salamanca, Álvaro (2020) Evolution of coastal erosion in Palmarin (Senegal). Journal of Coastal Conservation, 24 (2). pp. 1-11. ISSN 1400-0350, ESSN: 1874-7841

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Official URL: https://link.springer.com/article/10.1007/s11852-020-00742-y



Abstract

Coastal erosion is a major concern in Senegal, which is increasing over time. In the Palmarin peninsula, in the Saloum estuary, previous studies showed shoreline retreat rates of 1.20 m/yr in 1982 and 2.20 m in 1954–2002; our results show an increase to 2.45 m/yr in 2005–2010, 2.60 m/yr in 2010–2014 and 3.05 m/yr in 2014–2018. The main cause seems to be sea level rise, as there are not significant human factors. Short-term estimates show probable damages in two villages (Ngallou and Djiffer), where buildings are already being destroyed, tourist camps near the beaches and on the road that crosses the peninsula. There is also a significant risk that coastal erosion would connect the sea and the intertidal mud flat areas of the Saloum estuary, fragmenting the peninsula in several islands, changing the evolution of erosive processes and producing a decline of the mangroves, and with them of fishing. It is urgent to develop an adaptation plan for this area, to address the possible consequences of coastal erosion on the assets and activities of the population.


Item Type:Article
Uncontrolled Keywords:Climate change; Coastal retreat; Sea flooding; Mangroves
Subjects:Medical sciences > Biology > Ecology
ID Code:61287
Deposited On:01 Jul 2020 09:13
Last Modified:01 Jul 2020 09:13

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