Keur Soce Health and Demographic Surveillance Site System in Senegal : Site description, baseline findings and policy implication • Mansour Ndiath, Université Cheikh Anta Diop de Dakar ; Aly Gueye, Université Cheikh Anta Diop de Dakar ; Roger Tine, Université Cheikh Anta Diop de Dakar ; Jean Louis Ndiaye, Université Cheikh Anta Diop de Dakar ; Babacar Faye, Université Cheikh Anta Diop de Dakar ; Badara Cisse, Université Cheikh Anta Diop de Dakar ; Oumar Gaye, Université Cheikh Anta Diop de Dakar

The establishment of the system of demographic monitoring in Madagascar: an alternative to the lack of data necessary for the direction of health policy • Lina Rakotoson, Institut Pasteur de Madagascar ; Corine Vincent, Institut Pasteur de Madagascar ; Rindra Randremanana, Institut Pasteur de Madagascar ; Vincent Richard, Institut pasteur de Madagascar

Climate shock, poverty and income in the zone of Niakhar (Senegal) between 2000 and 2003 • Céline Vandermeersch, IPDSR ; Audrey Naulin