1. Biodiversity and sustainable exploitation of marine biological resources Jean-Yves PERROT IFREMER

2. Biodiversity and sustainable exploitation of marine biological resources INTRODUCTION Giuseppe Arcimboldo, 1527-1593

3. Ecology Species Genetic From B. Chevassus MNHN, Paris Three levels in biodiversity

4. The marine ecosystem

5. Mytilids, worms and bacteria by 1700m depth Ifremer A bathial scene by 600m depth Whitman college

7. Source: Sainsbury 2004 Red tides by dinoflagellates Unprocessed wastes

8. Crepidula from N-E America (GB, 1872) Rapana from the Pacific (Black Sea, 1940) Ocinebrellus from Korea (France, 1995) Mnemiopsis from America (Black sea, 1980)

9. Global resources from fisheries reached a plateau since 1985

10. Fish stocks are exploited at their maximum { 7 7 5 5 % % 50 % Source :FAO (Garcia, Grainger & De Leiva, 2004) 40 30 20 10 0 R D O F M U 1 % : Recovering 7 % : Depleted 16 % : Overexploited 52% : Fully exploited 21 % : Moderately exploited 3 % : Underexploited

14. Biodiversity studies need sea- and land-based infrastructures

15. Thank you for your attention!