M.V.Korepov,S.A.Stryukov, D.A.Korepova, M.D.Simakov,
D.K.Makarov,A.V.Mishchenko, S.V.Titov

Genetic differentiation and polymorphism of the Volga population of the imperial eagle (Aquila heliaca, Falconiformes, Accipitridae) according to a mitochondrial DNA analysis

3-15 

O.I.Nedoseko,V.P.Viktorov

Architectural modules of the boreal species of willow subgenera Salix and Vetrix

16-29

A.N.Chajsarova,A.Yu.Bolotin, S.V.Titov 

The species structure of small mammal communities of Ulyanovsk region 

30-39

N.A.Leonova,T.E.Miroshnichenko, A.V.Kuznetsova

Features of biology and introduction of economically valuable species of the genus Salvia in Penza region 

40-49

S.S.Zaks,A.A.Kuzmin,S.V.Titov 

The genetic structure of spotted ground squirrel populations (Spermophilus suslicus Güld.) in Middle Volga region according to a microsatellite DNA analysis 

50-62

CHEMISTRY

Yu.P.Perelygin,S.V.Kabanov

On the interrelation of the sparingly soluble salt solution’s specific conductivity and its solubility product

63-67

GEOGRAPHY

A.А.Nikolaev,N.V.Ismagilov

Application of neural network technologies to calculate total solar radiation fluxes

68-77

A.D.Abalakov,L.S.Novikova, D.I.Maryshkin

Landscapes of the scientific-educational ground “Sarma” on lake Baikal

78-90

S.N.Artemova,D.S.Ikonnikov, S.P.Lomov

General characteristics of landscape development and dynamics of the territory of the Upper Sura river and Mokshan district in the Holocene

91-106

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