I.D.Mikhaylova,A.S.Lukatkin

The effect of different concentrations of heavy metals ions on the callusogenesis and generation of superoxide cucumber and radish calluses 

3-11

D.M.Gamidova,A.I.Rabadanova 

The effect of environmental pollution on Pelophylax ridibundus (Pallas, 1771) morphometric and biochemical parameters 

12-25

A.N.Vernigora,N.V.Volkova

The effect of ethanol consumption on the carboxypeptidase E activity on different age rats posterity 

26-35

D.G.Smirnov,G.S.Dzhamirzoev,
Yu.A.Bykov 

Comparative characteristics of the echolocation signals of three horseshoe bats species (Chiroptera, Rhinolophidae) from the Eastern Caucasus (Dagestan)

36-48

O.A.Ermakov,D.V.Salagin,
D.A.Kapustin,V.Yu.Il'in 

Brown bear on the southern border of the range in Volga region (Penza region)

49-58

D.I.Bashmakov 

The features of adaptation to heavy metals in different life forms and ecological groups of plants 

59-69

Zh.F.Pivovarova,A.G.Blagodatnova,
Z.Z.Bagautdinova

Life strategy of cyanobacterial-algal groups in the extreme habitat establishment 

70-83

D.I.Bashmakov 

Plant adaptation index to heavy metals 

84-94