M.N.Stamenov

Crown organization in reproductive individuals of Quercus robur L. in the western spurs of the Volga upland 

3-16

O.V.Kukushkin

Frames of seasonal activity and the reproductive phenology of two species of anuran amphibians (Anura: Bufonidae; Hylidae) of the Karadag Nature Reserve in Crimea 

17-39

A.I.Rabadanova,Z.S.Ismailova,
A.M.Abdulkhalimova

Sexual differences in the morphometric profile of red blood cells in Erenis collaris (Menetries, 1832), living on the Sarykum site of the reserve “Dagestan”

40-53

S.V.Titov,O.V.Chernyshova,
N.A.Kartavov,S.S.Zaks,
A.A.Kuzmin

A new case of hybridization of speckled (Spermophilus suslicus Güld.) and russet (Spermophilus major Pall.) ground squirrels in the sympatry zone

54-64

S.A.Sashenkova,V.O.Nogaev,
Yu.V.Koryagin,N.V.Koryagina

The effect of mineral and microbiological fertilizers on microbocoenosis of meadow-chernozem soils 

65-74

N.A.Leonova,S.N.Artemova,
O.V.Smirnova

Broadleaved forests of the Oka-Don plain within the borders of Penza region

75-90

D.A.Tovstyko,A.A.Anisimov,
I.G.Tarakanov

Photomorphogenesis and crop production process of tomato plants depending on daily light integral 

91-102