Évaluation préliminaire des impacts écologiques de l’ouverture de la retenue naturelle du lac Sofia en février 2024

(In French) A rapid preliminary assessment of the ecological impacts of dam opening at the outlet of Lake Sofia, Madagascar. This opening resulted in loss of more than 70% of the lake’s freshwater.

Assessments were carried out of avain biodiversity, of sedimentation increases in rice paddies, of changes in lake depth and on the impacts on freshwater vegetation upstream and downstream of Lake Sofia. Recommendations are made on further biological research, on ecological restoration and on logistical and infrastructure considerations