[Seasonal dynamics of the fauna and of the component community structure of parasites of the minnow Phoxinus phoxinus (L.) from the Pechora River. 2].

It is demonstrated that the component community of parasites of the minnow in the midle Pechora River in September-Decemner corresponds in its characteristics to the forming community, when relations between species in the community are formed again, but the rate of these transformation is significantly lower than in spring-summer.