1. Trophic levels of small mammals: Multi-elemental composition and toxic load

   • V. S. Bezel
   • S. V. Mukhacheva

   OriginalPaper 07 December 2013 Pages: 801 - 808

2. Water masses and zooplankton in a tributary of the Rybinsk Reservoir in its backwater zone

   • S. E. Bolotov
   • A. V. Krylov
   • S. A. Poddubnyi

   OriginalPaper 07 December 2013 Pages: 809 - 814

3. Ecological features of migrating passerines (analysis with molecular biology techniques involved)

   • N. V. Lapshin
   • L. V. Topchieva
   • N. P. Kantserova

   OriginalPaper 07 December 2013 Pages: 815 - 822

4. Testate amoebae community pattern in different types of boundary structures at the water-land contact zone

   • E. A. Malysheva
   • Yu. A. Mazei
   • M. V. Yermokhin

   OriginalPaper 07 December 2013 Pages: 823 - 831

5. Anthropogenic transformation of soil and vegetation resulting from afforestation in southern steppes

   • N. M. Novikova
   • A. F. Novikova
   • M. V. Konyushkova

   OriginalPaper 07 December 2013 Pages: 832 - 842

6. Factors causing long-term dynamics in the abundance of the Trans-Volga Great bustard (Otis tarda L.) population

   • M. L. Oparin
   • O. S. Oparina
   • V. V. Piskunov

   OriginalPaper 07 December 2013 Pages: 843 - 853

7. Current status of the Russian desman habitats in small rivers of the Don River Basin in Saratov oblast and the abundance of this species

   • O. S. Oparina
   • E. I. Filinova
   • M. L. Oparin

   OriginalPaper 07 December 2013 Pages: 854 - 861

8. Parasite fauna of rotan Perccottus glenii Dybowski, 1877 (Osteichthyes, Odontobutidae) in some waterbodies of European Russia

   • S. G. Sokolov
   • E. N. Protasova
   • A. N. Reshetnikov

   OriginalPaper 07 December 2013 Pages: 862 - 871

9. Dynamics of food resources for beavers in settlements colonized and abandoned several times

   • N. A. Zavyalov

   OriginalPaper 07 December 2013 Pages: 872 - 878