Results 81 to 90 of about 18,282 (226)

A study of contemporary and historical sedimentation in waterbodies of the Volgaupland and the low-lying trans-Volga region

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2018
The article presents the results of the study of contemporary and historical sedimentation in 66 waterbodies of different types in the middle course of the Volga (ponds, lakes) within the Chuvash Republic, Republic of Tatarstan, and Republic of Mari El ...
Dmitry Ivanov   +2 more
doaj   +1 more source

Genomic Insights Into Diversity, Phylogeny, Hybridization and Evolutionary History of Palearctic Fish Genus Rutilus (Leuciscidae)

open access: yesDiversity and Distributions, Volume 31, Issue 12, December 2025.
ABSTRACT Aim Using a widely distributed and frequently hybridising fish (genus Rutilus) in the Palearctic as a model system, we re‐evaluated a series of hypotheses on phylogeny, taxonomy, phylogeography and the role of hybridization in evolutionary history based on the first large‐scale analyses of nuclear SNPs together with mtDNA data obtained from ...
Boris Levin   +9 more
wiley   +1 more source

River inflow and salinity changes in the Caspian Sea during the last 5500 years [PDF]

open access: yes, 2007
Pollen, spores and dinoflagellate cysts have been analysed on three sediment cores (1.8–1.4 m-long) taken from the south and middle basins of the Caspian Sea.
Arpe, K   +5 more
core   +3 more sources

Commodity risk assessment of Castanea sativa plants from the United Kingdom

open access: yesEFSA Journal, Volume 23, Issue 12, December 2025.
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by graftwood, whips, bare root plants and potted ...
EFSA Panel on Plant Health (PLH)   +38 more
wiley   +1 more source

Urothelial carcinoma: Perioperative considerations from top to bottom

open access: yesCA: A Cancer Journal for Clinicians, Volume 75, Issue 6, Page 528-551, November/December 2025.
Abstract Urothelial carcinoma is an aggressive entity that is associated with significant morbidity, but there have been major advances in both our understanding of and treatment options for patients with this disease. In this review, the authors focus on novel therapeutic and diagnostic approaches in the perioperative setting, with an emphasis on ...
Wesley Yip   +8 more
wiley   +1 more source

Formation of gene associations that code for general homeostasis and performance components of durum wheat (Triticum durum Desf.)

open access: yesВавиловский журнал генетики и селекции, 2015
Since 1912, durum wheat breeding in the Middle Volga region has passed several stages. Acceleration of the breeding process was observed during the period of joining gene pools from Bezenchuk (the Middle Volga region), Kharkov (Ukraine) and Saratov (the ...
P. N. Malchikov, M. G. Myasnikova
doaj   +1 more source

Identification of USSR Indicator Regions [PDF]

open access: yes
Potential indicator regions were determined by comparing the statistics for barley and wheat at the lowest administrative levels for which published statistics were available.
Breigh, H., Disler, J.
core   +1 more source

Modelling migratory waterfowl stopover habitat while accounting for ephemeral environmental conditions

open access: yesJournal of Applied Ecology, Volume 62, Issue 11, Page 2941-2953, November 2025.
We demonstrated the potential of phenological synchronization to estimate fine‐scale ephemeral environmental conditions crucial for migratory species. Modelled habitats revealed key stopover sites in both natural and agricultural landscapes. The maps showed gaps in the protected area network of Eurasian grasslands, especially in agriculture.
Natalia Rogova   +8 more
wiley   +1 more source

A.Kh. Khalikov and the Bronze Age Studies in Mari Volga Region

open access: yesПоволжская археология, 2016
The article addresses the role of A. Kh. Khalikov in the development of archaeology in the Republic of Mari El and the development of the Bronze Age studies in Mari Volga region. A.Kh.
Ivanov Aleksandr I.
doaj  

The Welfare and Public Health of the Population of Russia: Adaptation To Economic Volatility [PDF]

open access: yes, 2015
In the article, the results of the research of correlation of welfare and public health of the population of Russia in the conditions of economic instability are presented.
Kuklin, A. A., Vasilyeva, E. V.
core   +1 more source

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