| As for its physical layout, Brittany is characterised by a very dense water system, catchment areas that are mostly of small size (a few dozen square kilometres) and a very significant line of coasts with regard to its surface area. These environments, very close and interdependent, are rich with life, and yet have been affected for many years by dramatic incidents of contamination: the proliferation of marine green algae and the degradation of the quality of the surface fresh waters are the most visible manifestation of this. Among the incidents of contamination that affect these environmentsmany of them are brought mainly and crucially by continental watersare those originating from agriculture. Over the last 30 years, Brittany has experienced very... |
