Results 201 to 210 of about 15,285 (255)
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Isotope Stratigraphy of the Permian Rocks, the Volga River Region
2017In this investigation the 87Sr/86Sr values were considered for the Upper Kazanian regional section Pechishchi and accompanied sections of the Lower Kazanian substage and also the Lower Permian formation. The section Pechishchi is known as reference section formed within the Kazanian palaeosea.
N. G. Nurgalieva +2 more
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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.
V. Vishnevskaya
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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.
V. Vishnevskaya
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Early cretaceous gastropods of the Middle-Lower Volga river region from P.A. Gerasimov’s collection
Paleontological Journal, 2009Based on the studying of gastropods collected by P.A. Gerasimov from the Cretaceous beds of the Volga region, four new species are established: Avellana hauteriviensis sp. nov. from the Upper Hauterivian of the Ulyanovsk region, “Palaeorissoina” sokolovensis sp. nov., O. sinzowi sp. nov., and Nerineopsis turritum sp. nov.
M. A. Golovinova, A. V. Guzhov
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A Hazard Assessment of Settlements and Historical Places in the Upper Volga River Region, Russia
2005The problem of natural hazard to historical places has received a great deal of attention from the world community in recent years. This issue has been discussed at international meetings such as the International Congress on Engineering Geology in Canada (1998) and the UNESCO Conference in Paris (1999).
Yuri A. Mamaev +2 more
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Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, 2022
Anna V. Koromyslova +1 more
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Anna V. Koromyslova +1 more
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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
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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
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POLLUTION OF BOTTOM SEDIMENTS OF THE VOLGA RIVER BY HEAVY METALS IN THE ASTRAKHAN REGION
Астраханский вестник экологического образования, 2022Altynganym Karabayeva +2 more
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Changes in terrestrial ecosystems of the Lower Volga region caused by river flow regulation
Arid Ecosystems, 2017We 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
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Sedimentary characteristics of baer knolls deposits in the volga river delta
Геоморфология и палеогеография, 2023Baer 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 +2 more
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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 +3 more
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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 +3 more
openaire +1 more source