Russian Journal of Ecology, 2003, V 34, N 4.

Urban Flora as a Component of the Urban Ecosystems in the
Taiga Zone: An Example of Karelian Cities 
G. S. Antipina 
p. 215   

The Holocene Dynamics of Vegetation and Ecological
Conditions in the Polar Urals 
N. K. Panova, V. Jankovska, O. M. Korona, and E. V. Zinov’ev 
p. 219   

Psychrophilic and Psychrotolerant Heterotrophic Microorganisms
of Middle Siberian Karst Cavities 
S. V. Khizhnyak, I. V. Tausheva, A. A. Berezikova,
E. V. Nesterenko, and D. Yu. Rogozin 
p. 231   

The Role of Floodplain Soils as a Barrier to Radionuclide Migration: 
An Example of the Techa–Iset’ River System 
I. V. Molchanova, E. N. Karavaeva, L. N. Mikhailovskaya,
V. N. Pozolotina, and L. V. Lobanova 
p. 236   

Variability of the Integrated Biochemical Index in Fish
Exposed to Technogenic Water of Mining
and Ore-Processing Works 
V. S. Sidorov, N. N. Nemova, R. U. Vysotskaya, and S. A. Taksheev 
p. 242   

New Approaches to the Assessment of Structural Organization of Communities
in Springtails (Hexapoda: Collembola) 
N. A. Kuznetsova 
p. 248   

Juvenile Dispersal in the Colonies of Spermophilus major and
S. suslicus Ground Squirrels 
S. V. Titov 
p. 255   

Tolerance of Freshwater Invertebrates to Changes in Water Salinity 
N. A. Berezina 
p. 261   

Competition between Populations in the Consumer–Producer
Trophic Chain in a Closed Aquatic System 
T. I. Pisman 
p. 267   

Distribution of the Anthozoan Metridium senile fibriatum
(Verril) on the Rocky Sublittoral
of the Rimsky-Korsakov Islands, Sea of Japan 
K. S. Tkachenko 
p. 271   

Short Communications 


Ecological Conditions of Humic Substances Formation
in the Impact Zone
of the Middle-Ural Copper-Smelting Plant 
P. V. Meshcheryakov and E. V. Prokopovich 
p. 277   

Heavy Metals in the Soil–Plant–Animal System in
the Area of Natural Geochemical Anomaly 
E. V. Mikheeva, O. A. Zhigal’skii, and V. P. Mamina 
p. 281