Results 41 to 50 of about 37,350 (215)
Nordic Journal of Botany, EarlyView.The Eurasian steppe area has been a dynamic vegetation biome during the Pleistocene with its repeated cycles of forest advances and retreats. Such a scenario allows the evolution of ecotypes at the ecotone with the potential for parallel evolution in different parts of the distribution area.
Dirk C. Albach +4 more
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Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens
PLANTS, PEOPLE, PLANET, EarlyView.Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski +2 more
wiley +1 more source
Revue belge de philologie et d'histoire, 2012 Bakró-Nagy Marianne. The Uralic Languages. In: Revue belge de philologie et d'histoire, tome 90, fasc. 3, 2012. Langues et littératures modernes. Moderne taal en letterkunde. pp. 1001-1027.
openaire +2 more sources
Invasive plant species in the forest parks of Yekaterinburg [PDF]
, 2019 Invasive species-introduced species, spontaneously settled outside their natural range, and successfully adapted to the new growing conditions. The problem of invasive species penetration, both herbaceous and woody, has long been a concern of scientists,
Luganskaya, S. N. +2 more
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Changes in the vector of industrial policy and possibilities for the innovative development of the industrial regions [PDF]
, 2015 In the present paper, reasons for the increased interest in industrial policy in both developed and developing countries are explained. The systematisation of the results of the development of Russian industry from 1989 to 2014 showed a lack of ...
Romanova, O. A., Starikov, E. N.
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Threshold Currents of Vacuum Arcs With Tungsten and Copper Cathodes
High Voltage, EarlyView.ABSTRACT This paper presents the results of an experimental study aimed at determining the threshold current for triggering a vacuum arc discharge, the probability of arc ignition and the average arc operation time depending on the current for tungsten and copper electrodes.
P. S. Mikhailov +4 more
wiley +1 more source
The frequency of inspections of economic facilities to reduce risks [PDF]
E3S Web of ConferencesChanges in regulatory documents aimed at reducing the burden on employers often lead to quite unpredictable and harmful consequences. Experts note that one of the reasons for the occurrence of emergencies at economic facilities may be weak control ...
Melyakova O.A., Kuchumova G.V.
doaj +1 more source
Радиационная гигиена, 2023 Сайт «Озёра России». URL: https://ozera.info/lakes/ about/gvr/list-lakes/kyzyl-tash (Дата обращения 25.03.2022 г.) Екидин А.А., Антонов П.Л., Жуковский М.В.
V. V. Vostrotin, A. Yu. Yanov
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On the ecology of species belonging to the genus Mesocyclops Sars (Crustacea, Copepoda) dwelling in the water-bodies of the Urals and Pri-Ural territory. [Translation from: Zoologicheskie Zhurnal 44(1) 127-130, 1965. ] [PDF]
, 1973 In the waterbodies of central Russia, the Urals and western Siberia four species of Crustacea, related to the genus Mesocyclops, are widely distributed: M. (s.str.) leuckarti (Claus), M. (Thermocyclops) oithonoides Sars, [M.](Th.) crassus (Fisch.) and M.
Ulomskii, S.N.
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Gender &History, EarlyView.ABSTRACT The article examines post‐Stalinist Soviet expertise on girls’ education and upbringing, analysing texts for and about female adolescents created by specialists in pedagogical sciences, psychology, sociology, medicine as well as children's writers and journalists from different parts of the Union, including national republics. The text focuses
Ella Rossman
wiley +1 more source