zone piscicole

CONT: En Europe occidentale, pour les rivières non côtières, on distingue 4 zones piscicoles étroitement liées aux paramètres physiques de la rivière (pente et profondeur de la rivière, température et oxygène dissous). [...] Zone à brèmes; [...] zone à barbeaux; [...] zone à ombres; [...] zone à truites.

CONT: In order to sustain and facilitate the development of the aquaculture in a large scale of fish farming zones, Chinese farmers have organized local associations and societies addressing issues such as fish disease, culture associations and seed supply clubs to solve the critical problems that farmers have encountered.