... Tables of Contents / Povolzhskiy Journal of Ecology: 2004, Issue 2 . Balakirev A.E., Okulova N.M., Ivanter E.V. On the analysis of factors affecting the Sorex araneus number dynamics in the north and south of its habitat . ... Shurganova G.V., Cherepennikov V.V., Artel'nyi E.V. Numbers dynamics of the discriminating species of the basic zooplanktocenoses of the Cheboxary reservoir . ... Numbers dynamics of the discriminating species of the basic zooplanktocenoses of the Cheboxary reservoir. ...