Results 11 to 20 of about 2,313 (184)

Chlorophyll Content and Photosynthetic Activity of Phytoplankton in Reservoirs of the Volga River (Russia)

open access: yesPhycology, 2023
Using the fluorescent method in the modification of Krasnoyarsk State University, we studied the development (as chlorophyll content, ∑CHL) and photosynthetic activity of phytoplankton in seven large flat reservoirs of the Volga River cascade (Russia) in
Natalya Mineeva, Ivan Semadeni
doaj   +1 more source

New data on the fauna and distribution of beetles (Coleoptera) in the Lower Volga and Middle Don regions [PDF]

open access: yesКавказский энтомологический бюллетень, 2020
A new data on the fauna of Coleoptera of the Lower Volga and the Middle Don regions (Volgograd and Astrakhan Regions, Kalmykia) are given on the basis of author’s research during 2014–2019.
E.V. Komarov
doaj   +1 more source

NEW REVIEW OF POACEAE OF THE MIDDLE VOLGA REGION [PDF]

open access: yesEkosistemy, 2020
Grasses one of the largest families of higher plants, including about 12000 species from 950 genera. The paper presents up-to-date information about the taxonomic composition, geographical distribution and habitat conditions of cereals in the South of the Middle Volga region (within the Penza, Samara and Ulyanovsk regions).
S. V. Saksonov   +2 more
openaire   +1 more source

Neolithic Patterns from the Vilovatoye Site: New Radiocarbon Chronology Data

open access: yesOriental Studies, 2023
Introduction. The article presents some latest absolute dates for Neolithic pottery from the Vilovatoye site, the latter being characterized by a most impressive pottery collection from the Middle and Late Neolithic across the forest-steppe Volga River ...
Andreev Konstantin M.   +2 more
doaj   +1 more source

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+1 more source

Middle Volga Abashevo Culture and Bell Beaker Culture: family portrait sketches

open access: yesАрхеология евразийских степей, 2022
The paper considers an analysis of the formation mechanisms of the Middle Volga Abashevo culture. It was formed in conditions of a sharp aridization of the period 2200 CalBC. Its occurrence was rapid and abrupt.
Roman A. Mimokhod
doaj   +1 more source

Who were the Burtases?

open access: yesИсторическая этнология, 2018
This paper is devoted to the question of the Burtases ethnicity. The Burtases were originaly an Iranian-speaking population. They came to the Middle Volga region from the steppe and forest-steppe regions of Eastern Europe.
Yaroslav V. Pylypchuk
doaj   +1 more source

CHRONOLOGY OF PIT-COMB WARE IN THE MIDDLE VOLGA REGION (RUSSIA): 14С DATES OF ORGANIC SUBSTANCES WITHIN POTTERY MATRIX; pp. 83–95 [PDF]

open access: yesEesti Arheoloogiaajakiri, 2018
The Volga-Oka interfluve (Central Russia) Neolithic sites with Pit-Comb Ware were dated to the 3rd millennium BC by the majority of archeologists during the period of 1950–1970.
Alexander A. Vybornov   +2 more
doaj   +1 more source

Water Transport Industrial Establishments in the Lower Volga in the Latter Half of the 1930s

open access: yesВестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, 2022
Introduction. The paper deals with the condition of industrial establishments of the Lower Volga water transport before the Second World War. The goal of the work is to establish the technical and economic condition of these Lower Volga steamship line ...
Olesya A. Gomanenko
doaj   +1 more source

Birds of the Middle Volga River Region in 5th to 18th Centuries AD (based on the materials of archaeological excavations)

open access: yesПоволжская археология, 2013
Summarized research data of bird bone remains remnants from 23 archaeological sites located in the Middle Volga area and referring to the 5th–18th centuries AD are presented in the article.
Askeyev Igor V.   +2 more
doaj   +1 more source

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