Morphological Characteristics of Kellicottia bostoniensis (Rousselet, 1908) (Rotifera: Brachionidae) from the Water Bodies of the Middle Volga Basin T. V. ZolotarevaG. V. ShurganovaM. Yu. Ilāin OriginalPaper 09 February 2023 Pages: 1713 - 1724
Distinct Features and Environmental Consequences of Climate Warming in the Northern Caspian Semidesert M. K. Sapanov OriginalPaper 09 February 2023 Pages: 1725 - 1732
Spatiotemporal Distribution of Planktonic Ciliates in the Kuibyshev Reservoir in the Area of Klimovskaya Narrowing S. V. BykovaV. A. Andreeva OriginalPaper 09 February 2023 Pages: 1733 - 1742
Spatial-Temporal Distribution of Birds in the Northern Macroslope of the Kyrgyz Mountain Ridge (Tien Shan) E. DavranovM. I. Lyalina OriginalPaper 09 February 2023 Pages: 1743 - 1749
The Communicative Value of Complex Singing in Passerine Birds A. S. Opaev OriginalPaper 09 February 2023 Pages: 1750 - 1768
Phytoplankton and Water Quality in Kuchane Lake (Pskov Oblast, Russia) T. V. DrozdenkoA. A. Volgusheva OriginalPaper 09 February 2023 Pages: 1769 - 1775
Use of Chlorella sorokiniana (Chlorellaceae, Chlorellales) Microalgae for Purification of Brewing-Industry Wastewaters N. V. ZibarevN. A. PolitaevaM. Yu. Andrianova OriginalPaper 09 February 2023 Pages: 1776 - 1780
Population Structure and Seed Productivity of Dactylorhiza incarnata (L.) SoĆ³ (Orchidaceae, Liliopsida) at the Northern Border of Its Habitat I. A. KirillovaD. V. Kirillov OriginalPaper 09 February 2023 Pages: 1781 - 1791
Estimation of the Growth Rate of Wild Ungulate Populations in Saratov Oblast by the Dynamic Series of Their Numbers I. A. KondratenkovM. L. OparinS. V. Sukhov OriginalPaper 09 February 2023 Pages: 1792 - 1800
Assessment of the Effect of Heavy Metal Salts on the Photosynthetic Activity of Aquatic Plants G. V. LobkovaE. I. TikhomirovaZ. A. Simonova OriginalPaper 09 February 2023 Pages: 1801 - 1805
Parameters of the Autumn Migration Stopover of the Chiffchaff (Phylloscopus collybita Vieillot, 1817) (Sylviidae, Aves) in the Conditions of the Middle Taiga in the Eastern Russian Plain G. L. Nakul OriginalPaper 09 February 2023 Pages: 1806 - 1813
Algoflora of Lakes in the Kurgalsky Nature Reserve (Leningrad Oblast) E. V. StanislavskayaA. L. AfanasievaO. A. Pavlova OriginalPaper 09 February 2023 Pages: 1814 - 1820
Hydrochemical Monitoring of Water Quality in Natural Water Bodies of the Ural River Basin O. V. AtamanovaE. I. TikhomirovaA. K. Dzhubayalieva OriginalPaper 09 February 2023 Pages: 1821 - 1826
Promising Approaches to Assessing Public Health Risk with Real Ways of Introducing a Toxicant into the Body O. M. Antonova OriginalPaper 09 February 2023 Pages: 1827 - 1833
Improving the Quality of Wastewater Treatment by Flocculation O. V. AtamanovaE. I. TikhomirovaA. A. Podoksenov OriginalPaper 09 February 2023 Pages: 1834 - 1839
Migrations of the Temminckās Stint (Calidris temminckii) (Scolopacidae, Aves) in Southern Russia V. P. Belik OriginalPaper 09 February 2023 Pages: 1840 - 1850
Origin and Evolution of the Volga Upland Oak Groves N. V. Blagoveshenskaya OriginalPaper 09 February 2023 Pages: 1851 - 1860
Special Features and Results of Transport-Noise Monitoring in Russiaās Samara Oblast A. V. Vasilyev OriginalPaper 09 February 2023 Pages: 1861 - 1866
Assessment of Bacterial Pollution of Closed Galvanic-Production Water-Supply Systems N. V. VedeneevaE. V. SkidanovYu. A. Matveev OriginalPaper 09 February 2023 Pages: 1867 - 1871
Use of Internet Resources to Estimate the Abundance of Species in Contact with Humans (Using the Common Hamster (Cricetus cricetus L., 1758, Cricetidae, Rodentia) as an Example) P. L. BogomolovN. Yu. FeoktistovaA. V. Surov OriginalPaper 09 February 2023 Pages: 1872 - 1877
Effect of Hydrochemical Parameters on the Species Diversity of the Ichthyofauna of Small Rivers in Saratov Oblast V. V. KiyashkoI. A. Kiyashko OriginalPaper 09 February 2023 Pages: 1878 - 1882
False Spring in the Spawning Migrations of Spadefoot Toads (Pelobates, Anura): Distribution in European Russia and the Phenomenon Scale in 2020 M. V. YermokhinV. G. Tabachishin OriginalPaper 09 February 2023 Pages: 1883 - 1889
Impact of Modern Climate Warming on Population Dynamics of the Small Ground Squirrel (Spermophilus pygmaeus Pallas, 1778) (Rodentia, Mammalia) in the Ilmenno-Prideltovy Region of the Caspian Lowland S. V. MagerramovK. S. MartsokhaN. V. Popov OriginalPaper 09 February 2023 Pages: 1890 - 1897
Characteristics of Great Bustard (Otis tarda) (Otididae, Aves) Habitats in the Trans-Volga Region according to Food Availability during the Chick Rearing Period O. S. OparinaM. L. OparinA. M. Oparina OriginalPaper 09 February 2023 Pages: 1898 - 1908
Variability of the Morphological Parameters of Trapa natans (Trapaceae, MagnoliĆ³psida) during Reintroduction into Reservoirs of Saratov Oblast from Reservoirs of Voronezh Oblast A. S. ParkhomenkoA. S. KashinV. M. Parkhomenko OriginalPaper 09 February 2023 Pages: 1909 - 1922
The Leukocyte Blood Composition of Emys orbicularis and Mauremys caspica (Reptilia: Testudines: Emydidae, Geoemydidae) at Syntopy E. B. RomanovaI. A. StolyarovaR. A. Gorelov OriginalPaper 09 February 2023 Pages: 1923 - 1930
Ecological Niche Differentiation from the Example of Bottom Communities of the Middle and Lower Volga Regions V. K. ShitikovT. D. ZinchenkoL. V. Golovatyuk OriginalPaper 09 February 2023 Pages: 1931 - 1937
Helminth Fauna of Mouse-Like Rodents in the City of Moscow T. N. KarmanovaD. I. Gorelysheva OriginalPaper 09 February 2023 Pages: 1938 - 1946
The Geographical Distribution of Flower Colour in Tulipa suaveolens Roth across Its European Range A. S. KashinT. A. KritskayaR. A. Murtazaliev OriginalPaper 09 February 2023 Pages: 1947 - 1957
Effect of Plant Root Exudate Constituents on the Degradation of Phenanthrene by the Rhizobacterium Mycolicibacterium gilvum (Mycobacteriaceae, Actinobacteria) L. V. PanchenkoD. A. KuzyanovO. V. Turkovskaya OriginalPaper 09 February 2023 Pages: 1958 - 1964
The Bioremediation Potential of Native Microorganisms of the Southern Chernozem D. M. UspanovaYu. I. MurzinaO. V. Nechaeva OriginalPaper 09 February 2023 Pages: 1965 - 1972
Distribution of Ecological Groups of Lepidoptera (Lepidoptera, Insecta) in Nests of the Sand Martin (Riparia riparia (Linnaeus, 1758)) in the Saratov Region V. V. AnikinE. N. Kondratev OriginalPaper 09 February 2023 Pages: 1973 - 1976
Rare Plants of Floral Complexes of the Vetlyanka River M. A. ZaninaE. B. SmirnovaE. K. Merkulova OriginalPaper 09 February 2023 Pages: 1977 - 1982
Ontogenetic Structure Dynamics of Coenopopulations of Dracocephalum fruticulosum Stephan (Lamiaceae, MagnoliĆ³psida) in Tuva G. R. DenisovaV. A. CheryomushkinaE. B. Talovskaya OriginalPaper 09 February 2023 Pages: 1983 - 1988
Dynamics of Ecosystems of Fresh Subor (Pine Woods on Sandy Soils) in the Central Part of the Volga Upland A. Yu. Kudryavtsev OriginalPaper 09 February 2023 Pages: 1989 - 1995
Bacterioplankton Status in the Lososinka River (Tributary of Lake Onego) and the Water Quality by Microbiological Indicators E. M. MakarovaE. V. TekanovaN. M. Kalinkina OriginalPaper 09 February 2023 Pages: 1996 - 2003
Effect of Glauconite-Containing Wastes Obtained during Phosphorite Enrichment on Lead Mobility in Soils N. V. SyrchinaL. V. PilipG. Ya. Kantor OriginalPaper 09 February 2023 Pages: 2004 - 2008