THE RESULTS OF THE STUDY OF FATTENING AND SPAWNING PARTS OF THE POPULATION OF THE PERSIAN STURGEON <i>(ACIPENSER PERSICUS BORODIN) </i>IN THE VOLGA-CASPIAN BASIN IN THE PERIOD OF 2012-2013
The article presents the materials on peculiarities of the distribution of the Persian sturgeon (Acipenser persicus Borodin) on the defined area of water in the Caspian sea (the zone of responsibility of the Russian Federation) in 2012-2013, it presents the data on its number and stock. The assess of the state of the spawning parts of the population is given as well as the characteristics of its migration, the intensity of move of sirs to the delta of the river Volga in 2012-2013. The absolute number of the sirs of the Persian sturgeon (Acipenser persicus Borodin) having been come into and misses to the spawning places of the lower part of the Volga is given. The biological indicators of fattening and spawning parts of the population are presented. The recommendations to keep and effectively use the stocks of the Persian sturgeon (Acipenser persicus Borodin) in the Volga-Caspian basin are also given.