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Reproductive Characteristics of Reciprocal Hybrids of Sturgeon Species with Different Ploidy Levels: Sterlet Acipenser ruthenus and Kaluga A. dauricus (Acipenseridae)
Abstract —We present the reproductive characteristics of fertile reciprocal hybrids of two sturgeon species with different ploidy levels, sterlet Acipenser...
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Modern Data on the Distribution, Abundance and Qualitative Structure of the Populations of the Kaluga Huso dauricus and the Amur Sturgeon Acipenser schrenckii (Acipenseridae) in the Amur River and the Amur Estuary
AbstractAs a result of expeditionary research on the Amur River and in the Amur Estuary in June–July 2021, it was revealed that the kaluga Huso...
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Gamasid Mites (Gamasina) Associated with Small Terrestrial Vertebrates in the South of Non-Chernozem Center of Russia (Kaluga Province)
AbstractThe paper presents data on collecting of 34 gamasid mite species (Gamasina) associated with small terrestrial vertebrates in the territory of...
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Abnormalities of Muscle and Liver Tissues Structure in the Amur Sturgeon Acipenser schrenckii and Kaluga Huso dauricus (Acipenseridae)
AbstractThe results of histological analyses of the status of muscle and liver tissues in the Amur sturgeon Acipenser schrenckii and kaluga Huso...
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Dynamics of the Species Structure of Testate Amoeba Assemblages in a Waterbody-to-Mire Succession in the Holocene: A Case Study of Mochulya Bog, Kaluga Oblast, Russia
AbstractTestate amoebae are widely used in palaeoecological studies as indicators (proxies) of environmental conditions in mires and freshwater...
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Can the Ovum Genome of Tetraploid Sturgeon Species (Acipenseridae) Exhibit the Functional Properties of a Diploid Genome?
AbstractViable prelarvae were obtained for the first time as a result of insemination of eggs of the kaluga Acipenser dauricus with UV-inactivated...
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Concentrations of Morphological Anomalies in Birds and Possible Causes: The Example of the Jackdaw (Corvus monedula, Passeriformes, Corvidae)
AbstractAn analysis of the morphological aberrations spread across synanthropic jackdaw populations in the European part of the Russian Federation...
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Detection of Colletotrichum coccodes by Real-Time PCR
AbstractColletotrichum coccodes causes dangerous potato and tomato diseases, known as anthracnose and black spot. Morphologically, they are often...
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Structure of the Taxocenoses of Ground Beetles Coleoptera, Carabidae in an Urban Landscape (Example of Kaluga)
AbstractIn four habitats of the city of Kaluga, 64 ground beetle species were found. Only 17 species have a complete demographic structure in at...
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Comprehensive Analysis of Gap Formation in the Canopy of an Old-Growth Broadleaved Forest
AbstractWe performed a quantitative and qualitative assessment of the dynamics of gap formation in the canopy of intact old-growth polydominant...
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Remediation of Agricultural Lands Exposed to Large-Scale Radioactive Contamination (to the 35th Anniversary of the Chernobyl NPP Accident)
AbstractThis paper summarizes the 35 years’ experience in remediation of agricultural lands exposed to radioactive contamination as a result of the...
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Diversity and Possible Activity of Microorganisms in Underground Gas Storage Aquifers
Abstract —Underground natural gas storage facilities (UGS) have been recently proposed as sites to store “green” gas containing biogas, synthetic...
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Carnosine Levels in the Muscle Tissues of Sturgeons and Their Hybrids
AbstractThe determination of the carnosine level in fish muscle tissues is helpful for the purposes of general biology and comparative muscle...
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A Comparative Morphological Analysis of the Clonal Progeny from a Female Hybrid Sterlet Acipenser ruthenus × Kaluga A. dauricus (Acipenseridae): The Genetic and Modification Variability in a Number of Quantitative Morphological Traits
AbstractThe clonal progeny of a female hybrid sterlet Acipenser ruthenus × kaluga A. dauricus and the same-age backcross hybrids (sterlet × kaluga)...
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Patterns of Macrozoobenthos Distribution in Some Rivers of European Russia and Adjacent Regions
AbstractA statistical analysis of the spatial distribution patterns of the macrozoobenthos in the streams and rivers of European Russia and Latvia...
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Waterfowl Wintering in Cities of Temperate Climatic Zone and Its Sha** Factors
AbstractThe dynamics of the population size and species diversity of wintering waterfowl was for the first time studied in 30 cities of Russia over...
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The Species Composition and Distribution of Fish and Prawn in the Bed of the Lower Amur River
AbstractThe distribution of fish and prawn in the bed of the lower Amur River (within 40–960 km from the mouth) is described based on the results of...
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Resource Melliferous-Polleniferous Role of Invasive Plants in Russia
AbstractThe resource melliferous-polleniferous potential of Russian invasive plant species was studied on the basis of the results of...
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Contemporary Concepts on the Origin and Distribution of Sturgeons (Acipenseridae) in Eastern Asia
AbstractThe origin and distribution of the Pacific group of sturgeons (Acipenseridae) is considered on the basis of paleontological finds of...
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Archaeophytes in the Flora of European Russia
AbstractThe division of alien species into groups according to the time of invasion is widely used in biogeographic and floristic studies, but such...
