scholarly journals An overview of helminths of the European fire-bellied toad Bombina bombina (Amphi-bia, Anura) in the Volga River Basin

2021 ◽  
Vol 29 (4) ◽  
pp. 407-414
Author(s):  
I. V. Chikhlyaev ◽  
A. B. Ruchin
Keyword(s):  
River Basin ◽  
Systematic Position ◽  
Helminth Fauna ◽  
Volga Basin ◽  
Amphibian Species ◽  
Volga River ◽  
Volga River Basin ◽  
Larval Stages ◽  
Bombina Bombina ◽  
Few Data

The helminthofauna of Bombina bombina (Linnaeus, 1761) has been studied to an unequal degree in different parts of the habitat. Thus, it has been studied in more detail in the west of its range (in the countries of central and eastern Europe) and in less detail in the center (in Belarus and Ukraine). There were few data on helminths of this host in the east of its range (in Russia). For the first time, an inventory of the helminthofauna in B. bombina was carried out for populations in the Volga River Basin. The results of our own research are presented and supplemented with information from other authors. We summarized scattered data on helminths from 390 specimens of amphibians collected over more than 40 years in the territory of five regions: Kaluga and Samara regions, the Republics of Mordovia, Tatarstan and Bashkortostan. The helminthofauna includes 21 species from three classes: Trematoda (15), Chromadorea (5) and Clitellata (1). For each species, we give the systematic position, localization, places of detection, geographical distribution and characteristics of the life cycle. The leech Helobdella stagnalis (Linnaeus, 1758) was first recorded in the European fire-bellied toad in Europe. Four species of trematodes are new to this amphibian species in Russia: Haematoloechus abbreviatus (Bychowsky, 1932), Paralepoderma cloacicola (Luhe, 1909), larvae, Tylodelphys excavata (Rudolphi, 1803), larvae and Astiotrema monticelli (Stossich, 1904), larvae. Another species of trematode – Strigea strigis (Schrank, 1788), larvae – was first recorded in this host within the boundaries of the Volga Basin. A specific parasite is the trematode Haematoloechus abbreviatus (Bychowsky, 1932). The number and composition of the species of helminths of the European fire-bellied toad vary in different regions; the structure of the helminth fauna is generally stable and includes three groups of species: adult and larval stages of trematodes, adult nematodes-geohelminths. The results of the study create a database for further population studies and contribute to the development of ideas about the distribution and formation of the amphibian helminth fauna in Europe, Russia and the Volga Basin.

scholarly journals An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

Diversity ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 61
Author(s):  
Igor V. Chikhlyaev ◽  
Alexander B. Ruchin
Keyword(s):  
Systematic Position ◽  
Helminth Fauna ◽  
Helminth Species ◽  
Volga Basin ◽  
Rana Arvalis ◽  
Amphibian Species ◽  
Volga River ◽  
Spirometra Erinacei ◽  
First Time ◽  
Moor Frog

This is the first review of the helminth fauna of the moor frog Rana arvalis Nilsson, 1842 from the Volga river basin (Russia). The article summarizes the authors’ and literature data on the helminthic fauna of this species. The method of complete helminthological dissection was used. Thirthy-eight helminth species were recorded from three classes: Cestoda (1), Trematoda (28), and Chromadorea (9). Nine helminth species are new to the moor frog in Russia: trematodes Gorgodera varsoviensis Sinitzin, 1905, Strigea falconis Szidat, 1928, larvae, Neodiplostomum spathoides Dubois, 1937, larvae, Tylodelphys excavata (Rudolphi, 1803), larvae, Pharyngostomum cordatum (Diesing, 1850), larvae, Astiotrema monticelli Stossich, 1904, larvae and Encyclometra colubrimurorum (Rudolphi, 1819), larvae, nematodes Strongyloides spiralis Grabda-Kazubska, 1978 and Icosiella neglecta (Diesing, 1851). The cestode Spirometra erinacei (Rudolphi, 1918), larvae were observed of this amphibian species in the Volga basin for the first time. The nematodes Rhabdias bufonis, Oswaldocruzia filiformis, Cosmocerca ornata and the trematode Haplometra cylindracea form the core of the helminth fauna of the moor frog. Information on species of helminths includes systematic position, localization, areas of detection, type and scheme of life cycle, geographical distribution, and degree of specificity to host amphibians.

scholarly journals Initial stages of two Neolithisation models in the Lower Volga basin

2016 ◽  
Vol 43 ◽  
pp. 161-166
Author(s):  
Alexander Vybornov
Keyword(s):  
Eastern Europe ◽  
River Basin ◽  
Volga Basin ◽  
Volga River ◽  
Production Economy ◽  
Volga River Basin ◽  
Lower Volga

In this paper, two groups of ancient sites located in the Lower Volga River basin are analysed. The first group is linked to the emergence of the oldest pottery in this region, which is one of the most ancient in Europe. The presence of this feature of the ‘Neolithic package’ can be dated to the middle of the 7th millenium BC. A production economy is a particular feature of the second group of sites, which can be dated to the end of the 6th millenium BC. This is one of the earliest pieces of evidence of the existence of domesticated species in Eastern Europe. These two groups of sites show the initial stages of two Neolithisation models in the Lower Volga basin.

scholarly journals Ecological modernization of large river basins as a factor of sustainable development of the territory (for example, the Volga River Basin and Yangtze River Basin)

2016 ◽  
Vol 5 (4) ◽  
pp. 24-27
Author(s):  
Galina Eduardovna Kudinova ◽  
Gennady Samuilovich Rozenberg ◽  
Natalia Viktorovna Kostina ◽  
Anastasiya Gennadievna Rozenberg
Keyword(s):  
Sustainable Development ◽  
River Basin ◽  
Yangtze River ◽  
Yangtze River Basin ◽  
Large River ◽  
Volga Basin ◽  
Ecological Modernization ◽  
Volga River ◽  
Volga River Basin ◽  
The Sustainable Development

The paper discusses the basic concepts of ecological modernization. The process of ecological modernization in Russia is examined. One compared the progress of ecological modernization in Russia with one in the People's Republic of China on the example of the Volga basin and the basin of the Yangtze River. Provides cluster analysis of the Volga basin territory in relation to the sustainable development of the territories and why for further sustainable development in all areas of economic and social sphere, it is necessary to observe the principles of ecological modernization. Sustainable development of the Volga river basin largely determines the sustainable development towards ecological modernization in the area. The main practical steps to ecomodernization of Russian economy are suggested.

scholarly journals Reptile occurrences data in the Volga River basin (Russia)

2020 ◽  
Vol 8 ◽  
Author(s):  
Andrey Bakiev ◽  
Alexander Kirillov ◽  
Nadezhda Kirillova ◽  
Alexander Ruchin ◽  
Anastasia Klenina ◽  
...  
Keyword(s):  
River Basin ◽  
Iucn Red List ◽  
Volga Basin ◽  
Original Research ◽  
Natural Ecosystems ◽  
Volga River ◽  
Volga River Basin ◽  
State Nature Reserve ◽  
Red Data Lists ◽  
High Degree

The Volga basin is one of the most industrially-developed regions of Russia with a high degree of anthropogenic impact on natural ecosystems. Human influence negatively affects the species diversity and number of animals, including reptiles. There are no endemic species in the reptile fauna of the Volga basin. The herpetofauna of the region makes up 25% of the reptile fauna of Russia (Dunaev and Orlova 2017). We began to study the fauna of reptiles and their distribution in the Volga basin in 1988. Although we registered 20 reptile species in the Volga basin to date, apparently this is not a complete list of species in the region (Bakiev et al. 2004, Bakiev et al. 2009a, Bakiev et al. 2015, Kirillov et al. 2020). The distribution of reptiles in this region is not fully understood. Our dataset contains information on reptile occurrences in the Volga River basin. The dataset is based on original research by the staff of the Laboratory of Herpetology and Toxinology and Laboratory of Population Ecology of the Institute of Ecology of the Volga River basin of the Russian Academy of Sciences and Joint Directorate of the Mordovia State Nature Reserve and National Park “Smolny”. A total of 5,086 occurrences of 20 species are published for the first time with georeferencing. Many of these reptiles are listed in regional Red Data Lists. The European Pond Turtle Emys orbicularis (Linnaeus, 1758) is included in the IUCN Red List with the category “Near Threatened”.

scholarly journals Modern Alterations of Climate Characteristics and Probabilistic Assessment of the Minimal Flow Alterations in the Volga River Basin

2014 ◽  
pp. 83-99
Author(s):  
Keyword(s):  
Ambient Temperature ◽  
River Basin ◽  
Volga Basin ◽  
Probabilistic Assessment ◽  
Minimal Flow ◽  
Volga River ◽  
Volga River Basin ◽  
Stationary Period

Unstationarity has been revealed in rows of minimal winter and summer/fall flow of the Volga basin and conventional stationary periods have been separated, the stationary regimes change dates have been determined. A method of obtaining of estimations of the minimal winter flow for future on the basis of correlation of minimal flow values changes with increments of ambient temperature to its average values over the previous conditionally stationary period.

The main principles and results of pollution monitoring of sediments in the river basin

2020 ◽  
pp. 14-20
Author(s):  
B. Korzhenevsky ◽  
Gleb Tolkachev ◽  
Nikolay Kolomiycev
Keyword(s):  
Heavy Metals ◽  
River Basin ◽  
Water Exchange ◽  
Pollution Monitoring ◽  
Small Rivers ◽  
Volga River ◽  
Natural Landscape ◽  
Volga River Basin ◽  
Ivankovo Reservoir ◽  
Selection Of

The problems of modern geological ecology associated with the study of pollution of sediments of water bodies by heavy metals are considered. The Volga River basin is quite heterogeneous, both in geomorphological and hydrological terms, and in thechnogenical development and usage. A fourrank taxonomy is presented for the selection of sites for monitoring, based on a combination of natural, landscape, climatic and thechnogenical factors. To the largest – the highest taxon – sites of the Ist category – bowls of reservoirs with the slopes and the urban zones, industrial and agricultural structures located within them are carried. Within these areas are allocated to smaller taxa, areas category IInd are the industrial and urban zones, areas category IIIrd are the small rivers without significant contamination and areas category IVth to conduct special observations. The examples of special observations in the study of the annual migration of heavy metals in the system «bottom sediments – water column» on the Ivankovo reservoir are highlighted. The investigations were carried out under the conditions of the standard flow rate for this reservoir and in the conditions of slow water exchange.

GIS Application to Water Quality Management in the Upper Volga River Basin: Joint TVA/Russia Project

1993 ◽  
Vol 28 (3-5) ◽  
pp. 119-127 ◽  
Author(s):  
Tatiana Belyaeva ◽  
John M. Higgins ◽  
Natalia Kirpichnikova ◽  
Irina Lanzova ◽  
James R. Hagerman
Keyword(s):  
River Basin ◽  
Water Quality Management ◽  
Conceptual Approach ◽  
Management Options ◽  
Volga River ◽  
Volga River Basin ◽  
Joint Project ◽  
Upper Volga ◽  
Tennessee Valley ◽  
Resource Data

The Water Problem Institute of the Russian Academy of Science and the Tennessee Valley Authority are participating in a joint project to demonstrate the use of geographic information systems (GIS) in managing water resources under the changing economic system in Russia. The purpose is to improve decisions by better organizing, analyzing, and presenting water resource data and management options. Results to date include development of a conceptual approach and review of existing data. The project area includes the Upper Volga River Basin which encompasses the Moscow metropolitan area. Data are being managed at three levels depending on the scale and detail (i.e., regional, watershed, and local). Initial conclusions indicate a great potential for this technology, but many obstacles due to the current economic situation.

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