S. S. Tarasov, A. P. Veselov    

Ultrasound effects on the morphophysiological indicators of pea seeds (Pisum sativum L.) germination 

3-11

G. A. Lada, M. V. Pyatova,
E.Yu.Kholoburdina,D.S.Aksenov 

Ecological differentiation of three species of water frogs (Pelophylax esculentus complex) in mixed REL-population system 

12-31

O. V. Kukushkin, A. Yu. Ivanov,
O. A. Ermakov 

Genetic heterogeneity of the marsh frog (Pelophylax (ridibundus) complex; anura, ranidae) population in Crimea revealed by mitochondrial and nuclear DNA analyses 

32-54

A. K. Sytin, S. A. Senator 

The contribution by P. S. Pallas to the botanical study of Middle Volga region 

55-69

E. G. Kulikova, S. Yu. Efremova 

Environmental aspects of increasing productivity of the forest apiaries (by example of the state protective forest belt Belaya Kalitva – Penza)

70-79

S. S. Zaks, A. A. Kuz'min,
M. D. Simakov, S. V. Titov 

Genetic polymorphism of metapopulations of the spotted ground squirrel (Spermophilus suslicus Güld.) of the Eastern part of the area: analysis of nDNA markers

80-91

N. A. Leonova, M. M. Krupenina 

Spatial dynamics of Prisursky oak grove

92-97

D. A. Dimitriev, N. M. Remizova, A. D. Dimitriev 

The effect of paced breathing on recurrence quantification analysis of heart rate

98-109