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Contemporary Problems of Ecology

2008 year, number 3

1.
Outlooks of the Development of the Siberian Forest Complex

V. A. Sokolov
Pages: 361–369

Abstract >>
On the basis of the an
																								



2.
Carbon Deposition in Forest Biomass of the Ural Federal District

V. A. Usoltsev, G. G. Terekhov, O. V. Kanunnikova
Pages: 371–380

Abstract >>
When using a collection of published data concerning forest-forming species of the Ural and adjacent regions in a number of 1230 plots of forest biomass (stems, branches, foliage, roots and understory) and 245 plots of annual primary production, the regression equations are designed. The first-group equations describe the dependence of forest biomass upon mass-forming factors
																								



3.
Wildfires and Pyrogenic Successions in the Forests of the Southern Coastal Baikal Lake Area

M. A. Sofronov, A. V. Volokitina, T. M. Sofronova
Pages: 381–388

Abstract >>
The southern coastal Baikal Lake area is characterized by the dampest climate in the Baikal region, the basic amount of rain preci
																								



4.
Soil-Geobotanic Profiles for Studies of the Plant Communities of the Natural Environment Contact (the Western Coast of Lake Baikal)

A. P. SIZYKH
Pages: 389–397

Abstract >>
The data on the variability of the plant community formation of the n
																								



5.
Original Data on the Diversity, Ecology and Chemical Composition of Aquatic and Subaquatic Lichens (Lichenes) of the Stony Littoral of Lake Baikal

N. N. Kulikova, A. N. Suturin, S. M. Boiko, A. V. Lishtva, L. F. Paradina, E. V. Saibatalova, O. A. Timoshkin, T. G. Potemkina, A. A. Zavarzin, I. V. Khanaev
Pages: 399–406

Abstract >>
A detailed systematic list of subaquatic epilithic and aquatic lichens inhabiting the surf zone and the littoral region of the test site Cape Berezovyi (Southern Baikal) is provided on the basis of investigations carried out within the years 2002
																								



6.
State Value of Plant Cover by Means of Lichenoindication (North of Middle Siberia)

S. A. Pristyazhnyuk
Pages: 407–415

Abstract >>
An investigation of plant cover conditions in the north of Middle Siberia was carried out. The study was based on lichenological data. The article describes approaches and methods of lichenoindication of plant cover condition using the an
																								



7.
Microbiological Indication of River Ecosystem Conditions at the Oil Fields in the Middle Ob Area

E. A. Shornikova
Pages: 417–425

Abstract >>
The results of river water monitoring at the licensed oil field areas in the Middle Ob area are presented. The complex estimation of the river water ecological conditions is made using microbiological indication and biotesting. The number of heterotrophic saprophytic bacteria in the majority of rivers correspond to the satisfactory water quality. The faecal pollution indicators were detected in most rivers. The self-purification potential of the major part of streams was low. The Gram-positive coccus bacterial forms were dominant in microbial cenosis in the majority of rivers. Seven toxic samples were detected using the biotesting.
																								



8.
Indicator Potential of Chironomids (Diptera: Chironomidae) in the Lakes of Central Yakutia for Paleoclimatic Research

L. B. Nazarova, L. A. Pestryakova, L. A. Ushnitskaya, Kh.-V. Hubberten
Pages: 427–439

Abstract >>
Investigation of the faun
																								



9.
Seasonal Oxidoreductase Activity of Reclaimed Peat Soil in Connection with the Hydrothermal Environmental Conditions

T. T. Efremova, T. M. Ovchinnikova
Pages: 441–449

Abstract >>
Under the conditions of the southern taiga in West Siberia, the highest level of seasonal catalase and anaerobic dehydrogenase activity of the forest reclaimed peat soil was revealed within the moisture content range 20
																								



10.
GIS as a Tool for Allocation of Forest Water Protection Zones

M. A. Korets, A. A. Onuchin
Pages: 451–455

Abstract >>
Two computer-aided algorithms of forest water protection zone allocation using the digital elevation model (DEM) and spatial an
																								



11.
Effect of UV-Radiation Passed Through Light-Correcting Films on the Enzymatic Activity of Oil-Polluted Soil

L. I. Svarovskaya, D. A. Filatov, L. K. Altunina
Pages: 457–463

Abstract >>
The efficiency of photoluminescent (light-correcting) polymeric films on the enzymatic activity of microorganisms in oil-polluted soil was investigated under laboratory conditions. The effect of the use of films as a covering material containing organic and inorganic photoluminophores was studied under the UV-irradiation of the soil polluted with oil products in the concentration up to 50 g/kg. The application of light-correcting films increases the activtiy of enzymes in oil-polluted soil: catalase by a factor of 2
																								



12.
Accumulation of Heavy Metals in the System Soil-Plant Under the Application of Increasing Doses of Sewage Sediments

S. G. Doroshkevich, A. B. Badmaev
Pages: 465–471

Abstract >>
Accumulation of heavy metals in the system soil-plant caused by the application of increasing doses of sewage sediments under the conditions of Transbaikalia was considered. On the basis of the index of total pollution, an optimal dose of waste water sediments to be introduced was revealed. The use of sewage sediments that are accumulated in cities also solves the ecologically essential problem of sediment utilization.
																								



13.
The Influence of Heavy Metal Mobile Forms on the Microbial Activity of Soil Substratum of the Placer Gold Mines (for the Valley of the River Dzhalindy, Priamurje, as an Example)

O. A. Sorokina, L. M. Pavlova, V. I. Kiselev
Pages: 473–484

Abstract >>
The influence of heavy metal mobile forms on the number of ecological-trophical groups of microorganisms in the soil substratum of the placer gold mines in Priamurje is discussed. The investigated soil samples are characterized by stable enrichment with such elements as Co, Ni, Cr, Cu, Pb, Zn, As, Mo. The amount of mobile forms (with respect to total content) varies from 0.5 to 54 % depending on element. A dependence between the indices of pollution and the ranges of the number of main ecological-trophical groups of microorganism is revealed. Dependencies between increased concentrations of the mobile forms of some heavy metals and the microbiological indices are established and illustrated.
																								



14.
Pollution of the Amur River With Anthropogenic and Natural Organic Compounds

V. L. Rapoport, L. M. Kondratyeva
Pages: 485–496

Abstract >>
The pollution of the Amur river water with organic compounds at the Khabarovsk drinking water supply point is studied by means of gas chromatography
																								



15.
Diversity and Anatomical Structure of Ectomycorrhizas of Picea obovata in the High-Altitude Gradient (the Denezhkin Kamen

D. V. Veselkin
Pages: 497–505

Abstract >>
Diversity and the anatomic structure of the ectomycorrhizas of Siberian spruce in natural communities over the altitudinal gradient from 305 to 800 m above the sea level (northern taiga, the Denezhkin Kamen
																								



16.
Monitoring of the Fluorine Pollution of Reserve Stolby

R. A. Kolovsky, M. A. Buchelnikov
Pages: 507–513

Abstract >>
A description of the system of ecological monitoring in the State Natural Reserve Stolby (Krasnoyarsk District) is presented. The degree of pollution of the ecosystems of the reserve with fluorine emitted by a high-capacity aluminium plant is determined.