Results 91 to 100 of about 15,285 (255)

Global Assessment of Lake Surface Morphology and Its Impact on Water Volume Estimation

open access: yesWater Resources Research, Volume 61, Issue 7, July 2025.
Abstract Lake surface morphology, an essential yet underexplored feature of hydrological systems, remains poorly understood, including its effects on water volume estimation. This study investigates north‐south surface profiles of 147 lakes worldwide using ICESat‐2 altimetry data (2018–2024).
Jing Zhang   +3 more
wiley   +1 more source

The Results of the Technical-Technological Study of Ceramics from the Late Eneolithic Campsite of Bolshaya Rakovka II

open access: yesАрхеология евразийских степей
The article analyzes the ceramics of the Late Eneolithic campsite of Bolshaya Rakovka II (Samara region). It is characterized by the complete predominance of straight-walled vessel forms with rounded bottoms.
Irina N. Vasilyeva, Arkady I. Korolev
doaj   +1 more source

Problems of medieval archaeology of the Middle Volga region in E.P. Kazakov’s researches

open access: yesПоволжская археология, 2014
The studies conducted by Ye.P. Kazakov in the archaeology of the Volga Bulgaria and the preceding period in the history of the region are considered in the article.
Rudenko Konstantin A.
doaj   +1 more source

[The epidemic situation in relation to HIV infection in the Volga River region].

open access: yesZhurnal mikrobiologii, epidemiologii i immunobiologii, 1999
1,036 HIV-infected persons were detected in the area by March 1, 1998; of these, 552 persons were detected in Nizhny Novgorod Province and 364 persons in Saratov Province. For all that at different periods 150 HIV-infected detainees were kept in the pretrial detention prisons of Nizhny Novgorod Province and 60 HIV-infected detainees, in the pretrial ...
N N, Nosov, E E, Al'tova
openaire   +1 more source

River Network Connectivity Reductions Dominate Declines in the Richness of Plateau Fish Species Under Climate Change in the Upper Yangtze River Basin

open access: yesWater Resources Research, Volume 61, Issue 6, June 2025.
Abstract Anthropogenic climate change and disrupted river network connectivity are major factors affecting freshwater fish richness. However, the distribution patterns of this parameter under the combined influence of climate change and reduced river connectivity resulting from hydroelectric development remain unclear.
Xiongfeng Bai   +8 more
wiley   +1 more source

Tiny Killers: First Record of Rhabdocoel Flatworms Feeding on Water Flea Embryos

open access: yesEcology and Evolution, Volume 15, Issue 5, May 2025.
The flatworm Strongylostoma simplex simplex, a rhabdocoel microturbellarian, was observed preying on Daphnia water flea embryos in small water bodies in urban Berlin. An experiment confirmed that flatworm exposure drastically reduced Daphnia survival and reproduction, highlighting a strong predation pressure. This novel interaction may have significant
Nedim Tüzün   +4 more
wiley   +1 more source

Aqueduct Country and River Basin Rankings: A Weighted Aggregation of Spatially Distinct Hydrological Indicators [PDF]

open access: yes, 2013
More and more countries around the world face high levels of water stress, but measuring and communicating that stress consistently is challenging.
Andrew Maddocks   +3 more
core  

Nuclear Multi‐Microsatellite Marker Profiling Provides Clues to Molecular Genetic Diversity in Culture‐Based Caspian Beluga Sturgeon (Huso huso) Brood Stocks: Ecological Mirror for Restoration

open access: yesVeterinary Medicine and Science, Volume 11, Issue 3, May 2025.
We conducted a study involving 436 individuals of both sexes, collected from eight breeder private farms with diverse breeding histories and generational backgrounds. Through the application of eight microsatellites, we amplified a non‐coding core genomic region in the species, followed by capillary electrophoresis (CE) to provide double confirmation ...
Mehdi Moghim   +4 more
wiley   +1 more source

G. I. Drozdova’s Jubilee

open access: yesПоволжская археология, 2013
Colleagues congratulate the staff member of the Institute of History named after S. Mardjani with the Academy of Sciences of the Republic of Tatarstan, candidate of historical sciences Galina Ivanovna Drozdova on her birth anniversary. G. I.
Abdullin Khalim M.   +2 more
doaj   +1 more source

On Neolithic Pottery Technologies in the Lower Kama Region and the Time of Ancient Ceramic Traditions Expansion

open access: yesПоволжская археология, 2013
The results of typological and technological analysis and radiocarbon dating of the Neolithic ceramics in the Lower Kama region are presented in the article. The study was aimed at clarifying a number of issues related to the relationship and interaction
Vybornov Aleksandr A.
doaj   +1 more source

Home - About - Disclaimer - Privacy