scholarly journals Influence of anthropogenic activities on the temperature regime of soils of the South-Western Baikal region

2019 ◽  
Vol 381 ◽  
pp. 012043
Author(s):  
M V Kiselev ◽  
N N Voropay ◽  
A A Cherkashina
Keyword(s):  
Temperature Regime ◽  
Baikal Region ◽  
Anthropogenic Activities ◽  
The South

Principles of regionalization of the Baikal region on the hazardous geomorphological processes for the purpose of mapping

2018 ◽  
Vol 932 (2) ◽  
pp. 22-35
Author(s):  
S.B. Kuzmin ◽  
D.A. Lopatkin
Keyword(s):  
Lake Baikal ◽  
Russian Federation ◽  
Baikal Region ◽  
Improved Method ◽  
The South ◽  
Baikal Basin ◽  
Lake Baikal Basin ◽  
South Siberia ◽  
The Russian Federation ◽  
Geomorphological Processes

Mapping of hazardous geomorphological processes in the Baikal Region and its ecological and geomorphological zoning was carried out on the basis of the improved method, developed earlier by the authors. Baikal Region includes the subjects of the Russian Federation in the South Siberia and Republic of Mongolia within the boundaries of the Lake Baikal Basin. The basis of zoning are

scholarly journals Shipborne And Ground-Based Lidar Monitoring of the Atmosphere Over the Lake Baikal in 2018

2020 ◽  
Vol 237 ◽  
pp. 02032
Author(s):  
Yurii S. Balin ◽  
Marina G. Klemasheva ◽  
Grigorii P. Kokhanenko ◽  
Sergey V. Nasonov ◽  
Ioganes E. Penner
Keyword(s):  
Spatial Structure ◽  
Lake Baikal ◽  
Forest Fires ◽  
Atmospheric Pollution ◽  
Atmospheric Aerosol ◽  
Baikal Region ◽  
Physical Models ◽  
The South ◽  
Ground Based Lidar ◽  
Background Area

The paper presents the results of studies aimed at the analysis and assessment of atmospheric pollution over the Lake Baikal in the summer. This information is necessary to create physical models of the formation and transfer of atmospheric aerosol fields, taking into account the physical and geographical features of the Baikal region. Measurements were carried out by a lidar «LOSA-A2» installed on the scientific-research vessel «Academician V.A. Koptyug». The vessel’s route passed along the South, Middle and Northern Baikal, from July 15, 2018 to July 26, 2018. At the same time, observations were conducted using lidar «LOSA-M2». It was located in the background area at Boyarsky stationary site (51.84° N, 106.06° E), in the south-eastern part of the lake. The results of changes in the spatial structure of atmospheric aerosol fields in background conditions and during forest fires are shown.

scholarly journals Lion and spotted hyena distributions within a buffer area of the Serengeti-Mara ecosystem

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Stanslaus B. Mwampeta ◽  
Clay M. Wilton ◽  
Imani J. Mkasanga ◽  
Lusato M. Masinde ◽  
Peter S. Ranke ◽  
...  
Keyword(s):  
Anthropogenic Activities ◽  
Spotted Hyena ◽  
The South ◽  
Large Carnivore ◽  
Serengeti Ecosystem ◽  
Northern Tanzania ◽  
Spotted Hyenas ◽  
Western Border ◽  
Eastern Border ◽  
June July

AbstractMost large carnivore populations are declining due to anthropogenic activities including direct persecution, prey depletion, habitat loss and degradation. protected areas (PAs) can help maintain viable large carnivore populations; however, anthropogenic activities occurring near and within PA borders or edges can reduce their effectiveness. We investigated the influence of edge effects on abundance of lions (Panthera leo) and spotted hyenas (Crocuta crocuta) in Maswa Game Reserve (MGR), a part of the Serengeti ecosystem in northern Tanzania. We conducted repeated call-ins to attract and enumerate lions and hyenas at 20 stations in MGR during June–July 2017. We used N-mixture models to estimate hyena and lion abundance in relation to land cover and distance from the south-western MGR borders which are adjacent to villages. We found lowest lion and hyena abundances by the south-western border, with abundance of both species increasing toward the eastern border adjacent to Serengeti National Park. Lions were uniformly distributed among land covers whereas hyenas were more abundant in woodlands. We suggest that reduced lion and hyena abundance near human settlements was in response to depleted prey, due to human actions. We recommend ecologically compatible land uses and effective border patrols to mitigate these adverse effects.

Elemental composition of peat organic matter as an indicator of trophic conditions of marsh ecosystems in the south of the Baikal region

2016 ◽  
Vol 470 (1) ◽  
pp. 946-949
Author(s):  
E. N. Tarasova ◽  
E. V. Bezrukova ◽  
E. A. Mamontova ◽  
A. A. Mamontov ◽  
M. I. Kuzmin
Keyword(s):  
Organic Matter ◽  
Elemental Composition ◽  
Baikal Region ◽  
The South ◽  
Trophic Conditions

scholarly journals Fish diversity in three tributaries of the São Francisco river, Brazil

2020 ◽  
Vol 8 (2) ◽  
pp. 052-064
Author(s):  
Aline Horodesky ◽  
Gisela Geraldine Castilho-Westphal ◽  
Diogo Barbalho Hungria ◽  
Durval Nascimento ◽  
Eduardo Ratton ◽  
...  
Keyword(s):  
Species Diversity ◽  
Rainy Season ◽  
Anthropogenic Activities ◽  
Fish Diversity ◽  
The South ◽  
Species Dominance ◽  
Sao Francisco River ◽  
São Francisco River ◽  
Federal Highway

We evaluated fish diversity in three tributaries of the São Francisco River, one of the largest watercourses in Brazil. The study site is in the sub-basin of the Carinhanha River [Carinhanha, Cocos (I and II) and Itaguari Rivers], located in the South region of the Bahia state. These rivers are crossed by bridges of the federal highway BR-135. After sampling, upstream and downstream from each bridge, during drought and rain seasons, 3,520 specimens of fish (57 species, 21 families) were captured. The species with highest occurrence were Astyanax cf. taeniatus, Serrapinnus heterodon, Astyanax bimaculatus and Astyanax cf. rivularis. During drought season, the number of specimens captured was higher, leading to an increase of species dominance. In the rainy season, species diversity was higher with a greater distribution of individuals among species. The data indicate the maintenance of the fish faunal structure despite anthropogenic activities on the studied areas.

SOLYANKA - FORT-SANCTUARY IN THE FLOODPLAIN OF THE KUDA RIVER (BAIKAL REGION)

2021 ◽  
Vol 27 ◽  
pp. 336-344
Author(s):  
KHARINSKII A. ◽  
◽  
PORTNIAGIN M. ◽  
Ivanov G. ◽  
◽  
...  
Keyword(s):  
19Th Century ◽  
Baikal Region ◽  
Archaeological Sites ◽  
Surrounding Area ◽  
The South ◽  
Protective Structures ◽  
The 19Th Century

Ancient sanctuaries located on elevated areas became known to archaeologists in the territory of the Kudinskaya Valley (Baikal region) at the end of the 19th century. Their territory is separated from the surrounding area by protective structures -ramparts or ditches. In this regard, they received the name of the fort-sanctuary. Rituals dedicated to heavenly deities were held on their territory. Currently, such archaeological sites are dated within the Ist -beginning of the 2nd millennium AD. In 2019, earth reconnaissance work was carried out at one of the ancient sanctuaries located in the Solyanka area. Unlike other sanctuary settlements, Solyanka is located in the floodplain of the river on a small hill surrounded by a ditch. The diameter of the sanctuary is 36 m. Judging by its geomorphological position, it was probably dedicated to the owner of the Kuda River or the valley along which it flows. To the south of the ancient sanctuary is the modern sanctuary. On it, the Buryat population conducts rites dedicated to “the owner of the area”. In its center there is a wooden pole serge, near which there is a hearth, benches and tables used for the ritual. Keywords: Baikal region, Kuda Valley, ancient fort -sanctuary, ditch, serge, pit work

Fires and pyrogenic successions in the forests of the south Baikal region

2008 ◽  
Vol 1 (3) ◽  
pp. 304-309
Author(s):  
M. A. Sofronov ◽  
A. V. Volokitina ◽  
T. M. Sofronova
Keyword(s):  
Baikal Region ◽  
The South ◽  
South Baikal

scholarly journals Elucidating the Pollution Sources and Groundwater Evolution in Typical Seawater Intrusion Areas Using Hydrochemical and Environmental Stable Isotope Technique: A Case Study for Shandong Province, China

Lithosphere ◽  
2021 ◽  
Vol 2021 (Special 3) ◽  
Author(s):  
Guangquan Chen ◽  
Guiyao Xiong ◽  
Jin Lin ◽  
Xingyong Xu ◽  
Hongjun Yu ◽  
...  
Keyword(s):  
River Basin ◽  
Seawater Intrusion ◽  
Anthropogenic Activities ◽  
Shandong Province ◽  
Pollution Sources ◽  
Laizhou Bay ◽  
The South ◽  
Domestic Activity ◽  
Isotope Technique ◽  
Groundwater Evolution

Abstract Seawater intrusion has a serious impact on industry, agriculture, and people’s daily life. Thus, the present study was designed to elucidate the pollution sources and groundwater evolution in typical intrusion areas of Shandong Province by hydrochemistry and environmental isotope techniques. The water samples were collected to analyze the groundwater evolution under different intrusion, and groundwater evolution in the south of Laizhou Bay from 2005 to 2019. The findings indicated that the groundwater level dropping funnel caused by overexploitation was the direct causation of seawater intrusion in the three typical intruded areas. The groundwater evolution paths demonstrated that the groundwater in the south of Laizhou Bay had the fastest evolution rate and the highest degree of evolution, followed by the Dagu River Basin. The groundwater evolution extent and fitting of mixing lines indicated that the groundwater in the south of Laizhou Bay, Longkou, and Dagu River Basin was dominated by palaeosaltwater intrusion, modern seawater intrusion, and sea-saltwater mixed intrusion, respectively. Palaeosaltwater mixing produces a more severe salinization effect compared to seawater mixing. Meanwhile, the isotopes are gradually enriched with the deepening of intrusion, while the decrease of isotopes is delayed compared with the saltwater retreat. This is caused by that the stable isotopes enriched in the aquiclude due to the chemical permeation effect will be released into the aquifer after the salinity attenuates in the aquifer. The palaeosaltwater intrusion caused by anthropogenic activities has promoted serious fluorine pollution in the south of Laizhou Bay, while the groundwater nitrate pollution in Longkou was the most serious, followed by the Dagu River Basin due to high-density agricultural and domestic activity.

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