Results 181 to 190 of about 126,948,222 (216)

Hygienic aspects of using the resources of small rivers of the Volga region for drinking water supply on the example of the Saratov region

Sanitarnyj vrač (Sanitary Doctor), 2021
The transformations in the environment occur both under the influence of natural processes and anthropogenic influences. Small rivers are one of the most vulnerable to changes in natural objects. Wastewater is a specific source of pollution for reservoirs: the most frequent pollution of small rivers is caused by flushing from agricultural land.
Yuliya Anatolievna Pankratova, Dmitriy Evgenievich Ivanov, Anton Valerievich Kosarev, Kseniya Aleksandrovna Savina   +3 more
openaire   +1 more source

Specifics of the Organization of State Water Monitoring (On The Example of the Volga River Within the Boundaries of the Volgograd Region)

Natural Systems and Resources, 2022
The article presents materials on studying the state of the Volga River within the boundaries of the Volgograd region by analyzing monitoring studies of the water area at the regional level. To study the specifics of the organization of state control, it is necessary to have an idea of the extent of the impact of various factors at the regional level ...
Anna Matveeva, Narek Kocharyan
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The first record of calcareous dinoflagellate cysts from the Upper Cretaceous of the Volga River Region

Doklady Biological Sciences, 2016
The taxonomic position of the microproblematics previously considered to be Foraminifera or Calcisphaerulidae is established. The first record from Russia of calcareous cysts of Dinoflagellata is presented. The microfossils originate from the Maastrichtian siliceous clay of the Volga River Region.
openaire   +2 more sources

[Gamasid mites of common voles in the central Volga River region].

Parazitologiia, 1986
The specific composition of gamasid mites from three species of voles (Microtus arvalis Pall., M. agrestis L., M. oeconomus Pall.) is given. Forest, field and flood-land groupings of the common vole having distinct phenotypical differences are characterized by differences in the structure of their parasite fauna.
V I, Borisova, I V, Nazarova
openaire   +1 more source

Regional Features of Geomorphological Objects of Environmental Tourism in the Volga River Basin in Volgograd

Tourism law and economics
Based on the spatio-temporal approach, the regional features of the relief of the Volgograd Volga region as an important recreational object from the position of its attractiveness are considered and the results of ecological and tourism activities of natural parks of the territory under consideration are presented.
Nadezhda P. Dyachenko, Alla F. Baranova
openaire   +1 more source

Effects of River Control and Climate Changes on the Dynamics of the Terrestrial Ecosystems of the Lower Volga Region

Arid Ecosystems, 2018
We continued the complex ecological studies in the Lower Volga Region that we started in 2014 in order to investigate the current state of floodplain terrestrial ecosystems and to describe the tendencies in the transformation of the natural environment and the responses of terrestrial ecosystems to changing climate conditions and the influence of ...
Zh. V. Kuzmina, S. E. Treshkin, S. S. Shinkarenko   +2 more
openaire   +1 more source

Macrozoobenthic communities of the saline Bolshaya Samoroda River (Lower Volga region, Russia)

2019
We investigated species composition, density, biomass and estimated production of macrozoobenthos communities in the middle and mouth reaches of the saline Bolshaya Samoroda River (Volgograd region, Russia) from May 2013 to April 2014. A total of 30 euryhaline and halophilic taxa were found during the study period. There were significant differences in
Golovatyuk, Larisa, Zinchenko, Tatiana D., Nazarova, Larisa (Dr.)   +2 more
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Hydrological-geomorphological and landscape features for identification of floodplain in small and middle rivers of the middle Volga region

SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2019
© SGEM 2019. The main factor for determination the floodplain terrace as a geomorphological body is the inundation of the bottom of river valleys by flood and high waters. However, to determinate a high floodplain and separate it from other terraces, it is necessary to use other natural components.
Kurbanova S., Prokhorenko N., Rozhko M.
openaire   +3 more sources

POLLUTION OF BOTTOM SEDIMENTS OF THE VOLGA RIVER BY HEAVY METALS IN THE ASTRAKHAN REGION

Астраханский вестник экологического образования, 2022
Altynganym Karabayeva, Sergey Yuyukov, Arina Bikchuraeva   +2 more
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METAL MIGRATION FORMS IN THE WATERS OF THE UNZHA RIVER BASIN (UPPER VOLGA REGION)

География и природные ресурсы, 2021
I.N. Ovchinnikova, A.P. Sizov
openaire   +1 more source