Results 211 to 220 of about 15,285 (255)

Macrozoobenthic communities of the saline Bolshaya Samoroda River (Lower Volga region, Russia)

2019
We investigated species composition, density, biomass and estimated production of macrozoobenthos communities in the middle and mouth reaches of the saline Bolshaya Samoroda River (Volgograd region, Russia) from May 2013 to April 2014. A total of 30 euryhaline and halophilic taxa were found during the study period. There were significant differences in
Golovatyuk, Larisa, Zinchenko, Tatiana D., Nazarova, Larisa B. (Dr.)   +2 more
openaire   +1 more source

[Gamasid mites of common voles in the central Volga River region].

Parazitologiia, 1986
The specific composition of gamasid mites from three species of voles (Microtus arvalis Pall., M. agrestis L., M. oeconomus Pall.) is given. Forest, field and flood-land groupings of the common vole having distinct phenotypical differences are characterized by differences in the structure of their parasite fauna.
V I, Borisova, I V, Nazarova
openaire   +1 more source

Predictive Assessments of the Impact of Modern Global Warming on the Landscape-Zonal Conditions of the Volga River Basin

Resources Environment and Information Engineering
Prognostic landscape-ecological scenarios for the near future of the biosphere have been considered for the first time by taking a large region--the Volga River basin--as an example.
E. Kolomyts
semanticscholar   +1 more source

SYNTAXONOMY OF GREEN MOSS PINE FORESTS OF THE ALLIANCE DICRANO–PINION SYLVESTRIS (LIBBERT 1933) W. MATUSZKIEWICZ 1962 NOM. CONSERV. PROPOS. IN NIZHNY NOVGOROD PART OF THE VOLGA RIVER BASIN

Diversity of plant world
The syntaxonomical analysis of green moss pine forests of Nizhny Novgorod part of the Volga River basin is carried out. Communities of the subass. Vaccinio vitis-idaeae–Pinetum quercetosum roboris typica var.
A. V. Chkalov, D. V. Mokhov
semanticscholar   +1 more source

FEATURES OF THE SPATIAL AND BIOTOPIC DISTRIBUTION OF SPECIALLY PROTECTED OBJECTS OF FLORA AND FAUNA ON THE TERRITORY AND IN THE ZONE OF INFLUENCE OF A LINEAR OBJECT (A BRIDGE CROSSING OVER THE VOLGA RIVER I

Natural Systems and Resources
The article considers the features of the spatial and biotypic distribution of specially protected objects of flora and fauna on the territory and in the zone of influence of the object “Construction of the second, third and fourth launch complexes of ...
Denis Solodovnikov, E. Ivantsova, Diana Semenova   +2 more
semanticscholar   +1 more source

About weeds of agrophytocenoses of the Volga river delta

Flora and vegetation of Russia
In 2024 we registered 73 species of vascular weeds, including 18 alien species (Abutilon theophrasti, Amaranthus albus, Amaranthus blitoides, Amaranthus blitum, Amaranthus retroflexus, Ambrosia artemisiifolia, Caulinia graminea, Conyza canadensis ...
V. M. Vasjukov, A. V. Chuvashov
semanticscholar   +1 more source

Pollution of the waters in the Volga River delta with organochlorine pesticide DDT

Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki
This article describes the results of a study on DDT content in the watercourses of the Volga River delta. Based on the data from the long-term state environmental monitoring in 1985–2022, DDT concentrations in the water of the investigated region were ...
V. O. Tatarnikov, D. R. Svetasheva
semanticscholar   +1 more source

The history of the development of biological resources of the Volga River from 1931 to 1971

Fisheries
The basis of the fishery of the Volga-Caspian fishing region is anadromous and semi-anadromous fish. The state of fishery for biological resources of the Volga River during the construction and commissioning of the Volga-Kama cascade’s hydroelectric ...
A. Glubokov
semanticscholar   +1 more source

Isolation of influenza viruses from wild birds in the Volga River basin and in the North Caspian Region

International Congress Series, 2001
Abstract Background: The North Caspian Region and delta of the Volga River constitute historic flyways and a place of mass congregation of wild birds for most of the year. Methods: A total 3513 biological samples from 3229 birds of 37 species were collected, antigenic structure and receptor activity of isolated influenza A viruses were studied ...
D.K Lvov, S.S Yamnikova, A.S Gambaryan, I.T Fedyakina, M.N Matrosovich   +4 more
openaire   +1 more source

Effects of River Control and Climate Changes on the Dynamics of the Terrestrial Ecosystems of the Lower Volga Region

Arid Ecosystems, 2018
We continued the complex ecological studies in the Lower Volga Region that we started in 2014 in order to investigate the current state of floodplain terrestrial ecosystems and to describe the tendencies in the transformation of the natural environment and the responses of terrestrial ecosystems to changing climate conditions and the influence of ...
Zh. V. Kuzmina, S. E. Treshkin, S. S. Shinkarenko   +2 more
openaire   +1 more source