Results 41 to 50 of about 8,426,833 (206)

Linking Flow Regime, Floodplain Lake Connectivity and Fish Catch in a Large River-Floodplain System, the Volga-Akhtuba Floodplain (Russian Federation) [PDF]

open access: yes, 2011
River-floodplain systems are amongst the most productive—but often severely impacted—aquatic systems worldwide. We explored the ecological response of fish to flow regime in a large river-floodplain system by studying the relationships between (1 ...
van de Wolfshaar, K.E.   +12 more
core   +2 more sources

Evolution of photoperiod insensitivity drove the westward expansion of broomcorn millet

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
This research highlights how ancient farming communities adapted crops to challenging environments, enabling the spread of agriculture across Eurasia. By demonstrating that broomcorn millet evolved reduced sensitivity to day‐length, the study explains how this crop could support food production in regions with short growing seasons and long summer days.
Giedre Motuzaite Matuzeviciute   +4 more
wiley   +1 more source

Sites of Final Paleolithic and Mesolithic from the Chuvash Volga Region: the issue of cultural interpretation

open access: yesПоволжская археология, 2017
The article features a comprehensive assessment of monuments dating back to the Final Paleolithic and Mesolithic periods located in the Chuvash Volga Region: topography, description of the structural aspects of studied dwellings, characteristics of the ...
Berezina Natalia S.
doaj   +1 more source

Provisioning a Silk Road City: Herd Management Strategies at the Urban Site of Dzhankent, Kazakhstan

open access: yesArchaeometry, EarlyView.
ABSTRACT This study presents evidence for herd management at the early medieval city of Dzhankent in southern Kazakhstan. Located along the Northern Silk Road, Dzhankent was a key trading node linking northern and southern areas between the 9th and 10th centuries ce.
Kara Larson   +7 more
wiley   +1 more source

Industrial development of the Lower Volga region in the pre-war years (1937–1941) [PDF]

open access: yes, 2023
The article deals with the features of the industrial development of the Lower Volga Region in the pre-war years. The completion of some facilities, the implementation of rapid structural changes, the development of many types of new products, and the ...
Cholakhyan, Vachagan A.   +1 more
core   +2 more sources

Direct Evidence of the Geographic Origins of Horse in the Yaoheyuan Site From Ningxia, China

open access: yesArchaeometry, EarlyView.
ABSTRACT In this study, It is explores the geographic origin of horses by analyzing the strontium isotope ratio of horses from the Yaoheyuan site, an important site in the northwest region of China during the Western Zhou Dynasty. The results show that most of the horses at the Yaoheyuan site were domesticated locally, while a small number came from ...
Youla Yang   +4 more
wiley   +1 more source

Testing the morphology‐ and intuition‐based taxonomic hypotheses using integrative approach: unexpected discovery of triplet of sibling species within a widespread Eurasian butterfly, Hyponephele lycaon

open access: yesCladistics, EarlyView.
Abstract In well‐studied groups of organisms, the taxonomic landscape can be very complex, with several alternative classifications describing diversity within the same set of populations. For example, three hypotheses have previously been proposed to describe the taxonomy of the common and widespread Eurasian Dusky Meadow Brown butterfly, Hyponephele ...
Elena A. Pazhenkova   +1 more
wiley   +1 more source

Russia's Wartime Economy: Measuring Regional Inequalities From Outer Space

open access: yesJournal of Regional Science, EarlyView.
ABSTRACT We study Russia's February 2022 full‐scale invasion of Ukraine as a natural experiment to determine how sudden disruptions to international market access reshape sub‐national economic inequalities. Using remotely‐sensed nighttime lights as a proxy for economic activity, we estimate the economic effects of the war at the national and regional ...
Irakli Barbakadze   +3 more
wiley   +1 more source

Investigation of climate change and history of lead deposition using soil archives [PDF]

open access: yes, 2008
Our study focused on the investigation of climate change and the fate of lead in soils from the Low Volga region of Russia over 3500 years. We used a comparative analysis of the modern soils and palaeosols preserved under burial mounds, which date back ...
Probst, Anne   +2 more
core   +1 more source

Global Estimate of Reservoir Hydropower Storage Potential Based on SWOT Observations

open access: yesEarth's Future, Volume 14, Issue 9, September 2026.
Abstract Hydropower is pivotal to the global transition toward carbon‐neutral energy, yet its actual potential remains constrained by uncertainties. Global assessments have traditionally relied on static metrics, such as dam height, which obscure the dynamic water fluctuations that govern operational reliability.
Lin Huang   +9 more
wiley   +1 more source

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