BOOKS - PROFESSIONS AND CRAFTS - Рыбоводство (на внутренних водоемах)...
US $9.51
376768
376768
Рыбоводство (на внутренних водоемах)
Author: Исаев А.И., Карпова Е.И.
Year: 1991
Number of pages: 98
Format: PDF
File size: 19,9 MB
Language: RU
Year: 1991
Number of pages: 98
Format: PDF
File size: 19,9 MB
Language: RU
The book briefly describes the fisheries of our country, provides information about the main fish and other objects of extraction and fish farming. Enterprises where fish farmers breed valuable commercial fish for rivers, lakes, ponds and reservoirs are described, methods of acclimatization of fish and other aquatic organisms are considered. The work of fish protection authorities and a network of ichthyological points located throughout the country is described. For employees of fish farms.