Results 141 to 150 of about 1,826 (186)
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Gully Erosion Zoning in the Middle Volga Region
Почвоведение, 2023The article presents a new scheme of zoning of modern gully erosion in a large region of the Russian Federation. Automated landscape zoning by means of artificial neural networks was carried out in order to determine the natural and anthropogenic conditions for the development of the gully network.
R. A. Medvedeva, O. P. Yermolaev
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AVIFAUNISTIC TYPOLOGATION OF CITIES IN THE MIDDLE VOLGA REGION
Treshnikov readings – 2022 Modern geographical global picture and technology of geographic education, 2022The article deals with the issues of the current state of the bird fauna of cities and urban settlements in the Middle Volga region. On the basis of data on the species composition, the number of nesting species, ecological features and other parameters of the bird population, an avifaunistic typology of urban settlements is presented.
Ilgizar I. Rakhimov +2 more
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Middle Permian cephalopods of the Volga-Ural Region
Paleontological Journal, 2014A diverse assemblage of Kazanian nautiloids and ammonoids from two localities in the Kirov Region and the Mari El Republic is studied and described for the first time. The biostratigraphic potential of the cephalopod assemblage, and its ecological and taphonomic affinities, are analyzed. Twenty nautiloid species (of which 18 are new) and eight ammonoid
I. S. Barskov +2 more
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TAXATION OF PRIVATE FARMS IN THE MIDDLE VOLGA REGION
Vestnik of Kazan State Agrarian University, 2014Much of the food and funds for the building industry went through taxes. During the thirties, private farms were subject to a rather complicated system of taxes. They can be divided into several groups: natural (tax for meat supply, milk, potato and wool), money (insurance, self-taxation, cultural duty, agricultural tax), indirect (loans for the ...
Farid Guseynov +3 more
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Invasive and potentially invasive plants of the Middle Volga region
Russian Journal of Biological Invasions, 2017The article presents a list of invasive and potentially invasive plants in the flora of the Middle Volga region (in Samara oblast and Ulyanovsk oblast) for the first time. The list includes 59 species distributed in groups according to their activity, features of interaction with native species, and the nature of occupied habitats.
S. A. Senator +3 more
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Early Maastrichtian cheilostome bryozoans from the middle Volga River region
PalZ, 2020Eight species in six genera of cheilostome bryozoans are described from an early Maastrichtian outcrop located in the Saratov Region, middle Volga River region, southern Russia. The studied bryozoan assemblage includes a new species, Cheethamia volgaensis sp.
Anna V. Koromyslova, Vladimir B. Seltser
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Alien Species in the Flora of the Middle Volga Region
2018The article presents information on the diversity and structure of the alien flora of the Middle Volga region on the border between the steppe and forest-steppe zones of the European botanical and geographical province. In the studied area, we identified 440 alien species of plants (24.6% of the total floristic diversity), including 59 invasive and ...
Senator, S. A. +4 more
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Seeding alfalfa with smooth brome in the Middle Volga region
Кормопроизводство, 2023Селекционную работу с люцерной изменчивой (Medicago × varia Mart.) проводили в 2019–2022 годах на полях лаборатории агротехнологии ФНЦ ЛК ОП «Пензенский НИИСХ». Цель исследований — изучить и выделить по комплексу хозяйственно ценных признаков образцы люцерны в смеси со злаковым компонентом (кострецом безостым), перспективные для возделывания в ...
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Geoinformation mapping of soil erosion in the Middle Volga region
Eurasian Soil Science, 2017© 2017, Pleiades Publishing, Ltd.The results of a medium-scale geoinformation mapping of soil erosion on an area of about 150000 km2 in the Middle Volga region are analyzed using the catchment-based approach. A quantitative index of the development of soil erosion on the agricultural lands is suggested.
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Agroecological Assessment of Arable Lands in the Middle Volga Region
Zemleustrojstvo, kadastr i monitoring zemel' (Land management, cadastre and land monitoring)The article presents the results of a soil study in the Saratov Oblast, particularly in the Khvalynsk District. Soil-ecological and reclamation characteristics of the studied soils are provided. Sampling was conducted using the envelope method, and agrochemical analysis was performed in accordance with standard methodologies.
V. M. Gerasimova, V. M. Panova
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