Results 161 to 170 of about 2,509 (209)

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
openaire   +2 more sources

Sedimentary characteristics of baer knolls deposits in the volga river delta

Геоморфология и палеогеография, 2023
Baer knolls (BK) are elongated ridges often close to the sub-latitudinal orientation sometimes spatially isometric that are widespread in the entire Northern Caspian Region up to 0 m a.s.l. (the upper limit of the Late Khvalynian sea transgression).
D. M. Lobacheva, E. Badyukova, R. Makshaev   +2 more
semanticscholar   +1 more source

Changes in terrestrial ecosystems of the Lower Volga region caused by river flow regulation

Arid Ecosystems, 2017
We continued our complex ecological studies in the Lower Volga region started in 2014–2015 (Kuz’mina et al., 2015a) in order to investigate the current state of floodplain terrestrial ecosystems in changing climate conditions (Kouzmina and Treshkin, 2014a) and during regulation of the river flow.
Zh. V. Kuz’mina, S. E. Treshkin
openaire   +1 more source

Jewish Prayer in the Heart of Russia: Synagogues along the Volga River

Ars Judaica, 2022
:The article explores the synagogues along the Volga River as a case demonstrating the development of the Jewish communities in the Russian interior, beyond the Pale of Settlement and outside the Russian capitals.
V. Levin, Anna Berezin
semanticscholar   +1 more source

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

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 B. (Dr.)   +2 more
openaire   +1 more source

[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

Pollution of the waters in the Volga River delta with organochlorine pesticide DDT

Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki
This article describes the results of a study on DDT content in the watercourses of the Volga River delta. Based on the data from the long-term state environmental monitoring in 1985–2022, DDT concentrations in the water of the investigated region were ...
V. O. Tatarnikov, D. R. Svetasheva
semanticscholar   +1 more source

SYNTAXONOMY OF GREEN MOSS PINE FORESTS OF THE ALLIANCE DICRANO–PINION SYLVESTRIS (LIBBERT 1933) W. MATUSZKIEWICZ 1962 NOM. CONSERV. PROPOS. IN NIZHNY NOVGOROD PART OF THE VOLGA RIVER BASIN

Diversity of plant world
The syntaxonomical analysis of green moss pine forests of Nizhny Novgorod part of the Volga River basin is carried out. Communities of the subass. Vaccinio vitis-idaeae–Pinetum quercetosum roboris typica var.
A. V. Chkalov, D. Mokhov
semanticscholar   +1 more source

FEATURES OF THE SPATIAL AND BIOTOPIC DISTRIBUTION OF SPECIALLY PROTECTED OBJECTS OF FLORA AND FAUNA ON THE TERRITORY AND IN THE ZONE OF INFLUENCE OF A LINEAR OBJECT (A BRIDGE CROSSING OVER THE VOLGA RIVER I

Natural Systems and Resources
The article considers the features of the spatial and biotypic distribution of specially protected objects of flora and fauna on the territory and in the zone of influence of the object “Construction of the second, third and fourth launch complexes of ...
Denis Solodovnikov, E. Ivantsova, D. Semenova   +2 more
semanticscholar   +1 more source