Results 11 to 20 of about 1,169 (180)

DISTRIBUTION OF ELASMOSAURID REMAINS IN THE HAUTERIVIAN DEPOSITS OF THE ULYANOVSK VOLGA REGION

open access: yesTreshnikov readings – 2021 Modern geographical global picture and technology of geographic education, 2021
The article considers the main geo-ecological problems on the territory of the district.
Ilya M. Stenshin   +2 more
openaire   +3 more sources

TO NUTRITION OF GOLDEN BEER IN THE CONDITIONS OF FOREST-STEPPE LANDSCAPES OF THE ULYANOVSK REGION (MIDDLE VOLGA REGION)

open access: yesTreshnikov readings – 2021 Modern geographical global picture and technology of geographic education, 2021
The conditions and characteristics of the nutrition of the golden bee-eater Meropsapiaster Linnaeus, 1758 (Coraciiformes, Meropidae) were studied in the conditions of forest-steppe landscapes of the Ulyanovsk region (Middle Volga region) during 2007–2019. The choice and preferences of the nest-suitable biotopes of the golden bee-eater are determined by
Maxim A. Korolkov   +2 more
openaire   +3 more sources

Taxonomic diversity of Brassicaceae in the Samara-Ulyanovsk Volga Region

open access: yesSamara Journal of Science, 2022
In the flora of the Samara-Ulyanovsk Volga region, the Brassicaceae family is one of the leading ones. It is of interest to study the composition of the genera of this family at the level of the territory of the entire Samara-Ulyanovsk Volga region, as well as the physiographic regions included in it.
Anastasia Viktorovna Ivanova   +2 more
openaire   +1 more source

The dictynid spider fauna (Aranei) of Ulyanovsk Region (Russia) [PDF]

open access: yesКавказский энтомологический бюллетень, 2016
A list of 11  species of dictynid found in Ulyanovsk Region is given. Four species are new for the Middle Volga Region: Brommella falcigera (Balogh, 1935), Dictyna szaboi Chyzer, 1891, Emblyna brevidens (Kulczyński, 1897) and Lathys nielseni (Schenkel ...
E.A. Kuz’min, S.L. Esyunin
doaj   +1 more source

Contribution to the Geometrid Moth fauna of steppe zone of European part of Russia (Lepidoptera: Geometridae) [PDF]

open access: yesКавказский энтомологический бюллетень, 2010
Geometrid Moths Eupithecia suboxydata Staudinger, 1897, E. addictata Dietze, 1908, E. spadiceata Zerny, 1993, Scopula immistaria (Herrich-Schäffer, 1852), Protorhoe corollaria (Herrich-Schäffer, 1848) are recorded for Voronezh Region, E.
E.V. Tsvetkov
doaj   +1 more source

Cold tolerance strategy and cold hardiness of the invasive zigzag elm sawfly Aproceros leucopoda (Hymenoptera: Argidae)

open access: yesAgricultural and Forest Entomology, Volume 22, Issue 3, Page 231-237, August 2020., 2020
Abstract The invasive sawfly Aproceros leucopoda causes severe defoliation of various elm species and thus can be a major pest in forest stands and urban environments. The overwintering biology of A. leucopoda has not been investigated so far; therefore, the aim of this study was to determine the cold tolerance strategy and cold hardiness of ...
Gábor Vétek   +7 more
wiley   +1 more source

Genetic differentiation of the Volga population of the eastern imperial eagle (Aquila heliaca, Falconiformes, Accipitridae) based on the cyt b gene analysis results

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2022
Background. Despite the study of the variability of the mtDNA control region of the esternimperial eagles in the Volga population, due attention was not paid to cyt b, the second mitochondrial marker.
M.D. Simakov   +3 more
doaj   +1 more source

Seasonal Aspects of the Diet of the Volga Population of the Eastern Imperial Eagle During the Breeding Season

open access: yesПернатые хищники и их охрана, 2023
Diet is a key factor in determining the status of large raptor populations. Regional studies of the diet of the Volga population of the Eastern Imperial Eagle (Aquila heliaca) are mainly based on the collection of food remains and scats at nesting sites.
Mikhail V. Korepov
doaj   +1 more source

Homelessness of Children as a Social Phenomenon in 1941-1945: Manifestations and Attempts to Overcome in Middle Volga

open access: yesНаучный диалог, 2020
The article is devoted to the analysis of the main directions and specifics of the activities of state bodies and public organizations of the Middle Volga region in the fight against children homelessness in 1941-1945.
R. A. Mukhamedov, A. G. Pashkin
doaj   +1 more source

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