N.A.Gavrilova,M.S.Shurygina,
E.E.Kurdyukov,O.A.Vodop'yanova,
D.V.Krivov 

A new method of quantitative determination of flavonoids in Linden flowers 

5-13

O.L.Voskresenskaya,M.G.Polovnikova

Content of total phosphorus in vegetative organs of lawn plants in the conditions of the urban environment 

14-22

M.M.Fominykh,T.O.Khomutov,
E.E.Kurdyukov

A new method of quantitative determination of pigments in stevia leaves 

23-31

E.A.Starikova,O.L.Voskresenskaya

Seasonal dynamics of the content of photosynthetic pigments in coniferous plants under the conditions of the urban environment 

32-42

A.A.Kidov,E.A.Shimanskaya,
E.A.Kidova,A.V.Trofimets,
A.D.Askenderov 

Reproductive potential of the Karelin’s newt, Triturus karelinii (Amphibia, Caudata, Salamandridae) from Dagestan population in laboratory conditions 

43-55

A.S.Esaulov,E.A.Malysheva,
K.V.Babeshko,A.N.Tsyganov,
O.I.Belyakova,Yu.A.Mazei

Spatial distribution of Arcellinida testate amoebae in aapa moor at different scales 

56-70

M.I.Andreeva,A.I.Ivanov,
D.G.Smirnov

Cadmium accumulation by vascular plants in forest ecosystems of the Volga Upland in Penza region 

71-89

A. G. Panov 

The change in the trophic and ecological structures of ciliofauna in the lower reach of the Lyutoga river during the appearance of the dead Pacific salmon in it 

90-99

A. Yu. Asanov 

Monitoring zoobentos productivity at the regulated Sura river section in Penza region 

100-110

A.A.Kidov,I.Z.Khayrutdinov,
A.A.Ivanov,E.A.Kidova

To the study of the growth peculiarities in ontogenesis and age structure of the Hyrcanian meadow lizard, Darevskia praticola hyrcanica (Reptilia, Lacertidae) population in the type locality (Gadazyghahi Natural Boundaries, Talysh Mountains) 

111-119