Grazing lake fish farming as an effective use of trans-ural resources
The article assesses the productivity of grazing lake fishery in Tyumen, Chelyabinsk, Kurgan regions' economies, which master the new technologies of breeding based on renewable food base. It is pointed, that for the last 50 years of Kazan lake fishery activity the overall annual catches increases from 60-70 tons to 1200 tons within 7000 hectares. The positive role of big region economies in every Federation subjects of Ural Region, which are capable to utilize the whole range of available water bodies for fish breeding is highlighted.