1. Species pool, species richness, density compensation effect, and invasibility of plant communities

   • V. V. Akatov
   • T. V. Akatova

   OriginalPaper 09 April 2013 Pages: 1 - 11

2. Alien species of Lake Kenon (Transbaikal Region)

   • B. B. Bazarova
   • E. P. Gorlacheva
   • P. V. Matafonov

   OriginalPaper 09 April 2013 Pages: 12 - 16

3. Bullhead (Cottus gobio L.) invasion in the Utsjoki River (Northern Finland): Parasitological aspects

   • E. P. Ieshko
   • B. S. Shul’man
   • E. Niemela

   OriginalPaper 09 April 2013 Pages: 17 - 23

4. Morphophenetic analysis of American mink (Neovison vison) populations from the Caspian-Baltic watershed

   • M. P. Korablev
   • N. P. Korablev
   • P. N. Korablev

   OriginalPaper 09 April 2013 Pages: 24 - 38

5. Distribution of alien fish species in water bodies of Omsk oblast

   • A. S. Korzun
   • B. Yu. Kassal

   OriginalPaper 09 April 2013 Pages: 39 - 44

6. Modeling of the Eurasian beaver (Castor fiber L.) population dynamics in the basin of a small Oka River tributary, the Tadenka River (Prioksko-Terrasnyi Nature Reserve)

   • V. G. Petrosyan
   • V. V. Golubkov
   • Yu. Yu. Dgebuadze

   OriginalPaper 09 April 2013 Pages: 45 - 53

7. Parasites of alien aquatic animals in the upper Volga basin

   • A. V. Tyutin
   • V. B. Verbitsky
   • E. N. Medyantseva

   OriginalPaper 09 April 2013 Pages: 54 - 59

8. Threshold cation concentrations in water determining the range limits of alien gastropod mollusk Lithoglyphus naticoides in the Rybinsk Reservoir

   • V. I. Martemyanov

   OriginalPaper 09 April 2013 Pages: 60 - 67