Ecology

Management of the Resource Potential of Municipal Solid Waste of the Volgograd Region

Authors: Bochkova A. Y., Sevryukova G. A.

Considered the economic and environmental aspects of the use of fuel-containing waste as alternative fuel (RDF) in the cement industry on the example of JSC «Serebryakovcement».

Current State of the Higher Aquatic Vegetation of the Balakovo NPS Cooling Reservoir under the Influence of Herbivorous Fishes

Authors: Grishenko K. G., Sedova O. V., Voronin M. Y., Ionova E. A., Ryazanov S. V.

The article presents data on the assessment of the state of higher aquatic plants cooling reservoir Balakovo NPS under the influence of biomeliorative fishes. It was revealed that the species diversity of higher aquatic vegetation for the period of study has sharply decreased from 34 (2009) to 12 species (2015). The dominant species, which defines the image of plant communities, is common reed (Phragmites australis (Cav.) Trin. Ex Steud). Reed communities are rated as very highly productive in terms of net primary production.

Assessment of Tree Plantations in Residentialrecreational Area Sterlitamak Industrial Center

Authors: Ibragimova A. H., Tagirova O. V., Giniyatullin R. H., Kulagin A. Y.

The investigated stands of Betula pendula, Populus balsamifera, Tilia cordata, Larix sukaczewii, Picea abies. Karst in residential-recreational area of Sterlitamak industrial center. When collecting and processing factual material used generally accepted methods of studying of forest stands. Instrumental produced (diameter, height, age) and visual indication (the density of the crown, the degree of damage to leaves, dead branches) of diagnostic parameters. An estimation of the relative vitality of trees.

Adonis Wolgensis Coenopopulation State in Saratov Region

Authors: Davidenko T. N., Davidenko O. N., Nevskiy S. A.

This article devoted to the patterns of Adonis wolgensis coenopopulations in the Saratov region. The number of coenopopulation, habitats  ecology, ontogenetic structure and the degree of anthropogenic transformation are considered. .

The Finding of Black Widow – Latrodectus Tredecimguttatus (Rossi, 1790) (Aranei, Theridiidae) on the Territory of Saratov Province

Authors: Anikin V. V., Kuzmin E. A.

The article contains information about the reliable finding of black widow (Latrod ectus tredecimguttatus) on the territory of Saratov Province.

The Finding of Black Widow – Latrodectus Tredecimguttatus (Rossi, 1790) (Aranei, Theridiidae) on the Territory of Saratov Province

Authors: Lysenko T. M.

The article contains information about the reliable finding of black widow (Latrod ectus tredecimguttatus) on the territory of Saratov Province.

To the Question of Distribution of the Lemnaceaes’ Species and Communities with Their Participation in the Saratov Region

Authors: Arkhipova E. A., Sedova O. V., Boldyrev V. A., Kozyreva E. A.

The article presents the materials of the distribution of five species of the Lemnaceae in the Saratov region on the basis of materials of herbarium SSU (SARAT) and authors’ field notes.

Analysis of Floristic Composition of Phytocenoses with Participation of Hedysarum grandiflorum Pall. in Southern of the Volga Uplands

Authors: Lavrentiev M. V., Boldyrev V. A.

Results of the taxonomic, biomorphological and coenotic analyzes phytocenoses with participation Hedysarum grandiflorum Pall. in the southern of the Volga Uplands are given. Showing considerable diversity and high conservation importance of these plant communities.

Ecological-faunistic Characteristic of the Nidicolous Beetles (Insecta: Coleoptera) of National Park «Khvalinsky» (Saratov Province)

Authors: Sazhnev A. S., Khalilov E. S., Anikin V. V.

The article contains information about taxonomic and ecological structure of nidicolous beetles of national park «Khvalinsky» (Saratov Province). The aspects of nidicolous fauna degradation associated with leaving marmots their burrows were traced. Revealed a clear separation of spring and summer faunas of burrowing insect communities.

Influence of the Tengutinsky Oil-extracting Complex on Soils of the Reserve «Black Earth»

Authors: Buluktaev А. А., Davaeva T. D., Sangadzhieva L. K.

In article influence of the Tengutinsky oil-extracting complex on chemical properties of soils of the reserve Black Earth is investigated. Negative action of an oil complex is studied. Features of accumulation of heavy metals in a soil profile are revealed. It is proved that oil pollution of the studied soils leads to change of physical and chemical properties of soils. Consistent patterns of distribution of heavy metals in brown semidesertic soils are determined.

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