Faunistic revision of alien fish species in the Black Sea A. R. BoltachevE. P. Karpova OriginalPaper 21 December 2014 Pages: 225 - 241
Evaluation of tree and shrub resources of the Eurasian beaver (Castor fiber L.) and changes in beaver foraging strategy after resources depletion Z. I. GoryainovaE. A. KatsmanV. G. Petrosyan OriginalPaper 21 December 2014 Pages: 242 - 254
Consequences of the introduction of the Russian red tree squirrel Sciurus vulgaris exalbidus (Pallas, 1778) to Omsk oblast B. Yu. Kassal OriginalPaper 21 December 2014 Pages: 255 - 264
Threshold concentrations of cations in the external environment required for maintenance of the ionic balance between the organism of the invader Elodea canadensis Michaux and fresh water V. I. Martemyanov OriginalPaper 21 December 2014 Pages: 265 - 274
The outbreak of harlequin ladybird Harmonia axyridis (Pallas, 1773) (Coleoptera, Coccinellidae) in the Caucasus and possible sources of invasion M. Ja. Orlova-Bienkowskaja OriginalPaper 21 December 2014 Pages: 275 - 281
Parasites of the introduced Chinese sleeper Perccottus glenii (Actinopterygii: Odontobutidae) at the northern border of the host habitat S. G. SokolovE. N. Protasova OriginalPaper 21 December 2014 Pages: 282 - 284