Sciences au Sud n°49 - April-May 2009
May 2009
- Dengue and chikungunya combine
Dengue and chikungunya hit Gabon in simultaneous outbreaks from March to August 2007. That resulted in 20 000 or so victims. An IRD team traced the spread of the two viruses. The agent responsible? The mosquito Aedes albopictus. Since 2005, this species has been stealing the limelight from its cousin, Aedes aegypti, in the role of leading vector. As Eric Leroy, IRD director of research on guest assignment at the Centre International de Recherches Médicales de Franceville (CIRMF) deplores, “Aedes albopictus is much more aggressive than its predecessor”.
- « Overfishing : a global and sistematic issue »
Interview with Daniel Pauly, fisheries biologist, professor at the University of British Colombia at Vancouver in Canada. He was awarded the Cosmos Prize in 2005 for research in ecology. Resident guest of the IRD at the Centre de Recherche Halieutique Méditerranéenne et Tropicale in Sète for several months, he talks to Sciences au Sud about his findings on overfishing-related issues question.
