Perceptions of and responses to coastal erosion risks: The case of Cotonou in Benin

摘要: Abstract Intensive erosion has affected the coastal zone of Cotonou for several decades. An analysis satellite images showed an average coastline retreat 115 m in study area over period 2002–2013 with hundred houses destroyed. Since 2014, a stabilisation is observed. This aimed at identifying at-risk population and analysing perceptions people who experience those manage risk, as well responses adopted. Based on four criteria their hierarchy, we identified five profiles inhabitants this risk zone. (1) Wealthy leave when they are or (2) fall into category danger case cannot migrate. (3) Fishermen deliberately stay near sea. (4) The most precarious people, trapped Finally, (5) poor newcomers continually increase population. With recent coastline, national authorities “hazard” component risk. However, majority not serene. anthropogenic stress linked to evictions gradually replaced be engulfed by We conclude that “vulnerability” yet resolved. All categories sensitive need secured. Cooperation among multiple levels governance, application land use planning regulations Kampala Convention involvement local communities all measures which will enable meet objective.