scholarly journals Demarcation of the Boundaries of the Central Asian Desert Natural Focus of Plague of Kazakhstan and Monitoring the Areal of the Main Carrier, Rhombomys opimus

2021 ◽  
pp. 71-78
Author(s):  
Z. Zh. Abdel ◽  
T. K. Erubaev ◽  
G. Zh. Tokmurzieva ◽  
B. K. Aimakhanov ◽  
Zh. S. Dalibaev ◽  
...  
Keyword(s):  
Aral Sea ◽  
Anthropogenic Factors ◽  
Natural Focus ◽  
Statistical Research ◽  
Southeastern Part ◽  
Great Gerbil ◽  
The North ◽  
Central Asian ◽  
Rhombomys Opimus ◽  
The Republic

The aim of the study was to clarify the boundaries of the Central Asian natural plague focus of Kazakhstan and the modern boundaries of the areal of the great gerbil (Rhombomys opimus) in order to improve epizootiological monitoring and increase the effectiveness of preventive (anti-epidemic) measures.Materials and methods. Data from the epizootiological monitoring of the great gerbil populations in 14 autonomous foci of the Central Asian desert natural plague focus in the Republic of Kazakhstan between 2010 and 2020 were used for the analysis. An epizootiologic survey of an area of 875350 km2 was carried out. When processing the data, epidemiological, epizootiological, statistical research methods, as well as GIS technologies were used.Results and discussion. An increase in the total area of the Central Asian desert natural plague focus of the Republic of Kazakhstan by 79710 km2 (9.98 %) has been established for the period of 1990–2020. It is noted that the change in the area of plague-enzootic territory was a consequence of the ever changing areal of the main carrier of plague pathogen – the great gerbil – under the influence of climatic and anthropogenic factors. The most significant changes were found in the southeastern part of the plague-enzootic territory, including those for the Betpakdala (50 %), Balkhash (34.3 %), Taukum (13.3 %) and Mojynkum (0.32 %) autonomous foci. The area of the Aryskum-Dariyalyktakyr autonomous focus decreased by 2100 km2 (4 %). In 2000–2002, new Alakol’sky and Ili intermountain autonomous foci with a total area of 26759 km2 were discovered. It is shown that due to the regression of the Aral Sea, the areal of the great girbil expanded and the area of the North Aral and Kyzylkum natural plague foci increased by 10500 km2 (29.2 %) and 560 km2 (0.4%), respectively. The areas of the Aral-Karakum and UralEmba desert autonomous foci, on the contrary, decreased by 2000 km2 (2.6 %) and 12300 km2 (17.6 %), respectively. Passportization and landscape-epizootiologic zoning of the territory of the Central Asian desert natural plague focus of the Republic of Kazakhstan has been completed. 

scholarly journals POPULATIONS OF THE MAJOR CARRIER RHOMBOMYS OPIMUS, VECTORS OF XENOPSYLLA FLEAS AND THE CAUSATIVE AGENT OF YERSINIA PESTIS IN THE CENTRAL ASIAN DESERT NATURAL FOCUS OF PLAGUE

THE BULLETIN ◽  
2021 ◽  
Vol 389 (1) ◽  
pp. 26-34
Author(s):  
B. Atshabar ◽  
S.T. Nurtazhin ◽  
A. Shevtsov ◽  
E.M. Ramankulov ◽  
Z. Sayakova ◽  
...  
Keyword(s):  
Central Asia ◽  
Yersinia Pestis ◽  
Natural Focus ◽  
Great Gerbil ◽  
Central Asian ◽  
Natural Foci ◽  
Repertoire Diversity ◽  
Rhombomys Opimus ◽  
Major Carrier ◽  
Environmental Isolation

In the Central Asia desert natural focus of plague, the major carrier of the Yersinia pestis agent is the great gerbil Rhombomys opimus, and its vectors include fleas of the Xenopsylla genus. Phenotypical and genotypical properties of the R. opimus populations, Xenopsylla fleas and Yersinia pestis strains have been studied in the Central Asia desert natural focus of plague. Phenotypic distinctions and population discreteness have been identified in R. opimus on the cytochrome b gene of the mitochondrial genome from three autonomous plague foci: Pre-Balkhash, Betpakdala and Pre-Ustyurt. Phenotypic distinctions have been found in Xenopsylla fleas in the Central Asia desert natural focus of plague, and the genotype of X. gerbilli minax fleas on the Cox2 gene of the mitochondrial DNA; these had been captured in the Betpakdala autonomous focus. The repertoire diversity in phenotypical properties of Y. pestis strains from different natural foci of plague has been demonstrated, and population discreteness of Y. pestis strains has been determined using the next-generation sequencing method for single nucleotide polymorphism genes. Results of the study suggest that geographical and environmental isolation and natural selection have led to heterogeneity in the three populations of the great gerbil, vector fleas and Y. pestis.

scholarly journals Morphological, Physiological and Genetic Characteristics of Populations of the Main Plague Host Rhombomys opimus Licht., 1823 in the Central Asian Desert Natural Focus of Plague

2019 ◽  
Vol 4 (5) ◽  
pp. 139-143
Author(s):  
S. T. Nurtazin ◽  
A. B. Shevtsov ◽  
V. B. Lutsa ◽  
E. M. Ramankulov ◽  
Z. Z. Sayakova ◽  
...  
Keyword(s):  
Morphological Characters ◽  
Physiological Status ◽  
Gas Liquid Chromatography ◽  
Natural Focus ◽  
Genetic Characteristics ◽  
Great Gerbil ◽  
Central Asian ◽  
Rhombomys Opimus ◽  
Different Populations ◽  
Large Clusters

Revealed by morphological characters, physiological status, and genetic diversity of populations of the main plague host Rhombomys opimus Licht., 1823 in Central Asia desert natural focus is described.Differences in the skull parameters of R. opimus from different populations were revealed. It’s shown that gerbils from Moyunkum are separate autonomous populations group. Samples from Moyunkum and Mangyshlak differed from other samples. In Balkhash-Alakol depression found two regional complexes: Pre-Balkhash and Dzungarian.Study results of free amino acids level in R. opimus blood serum obtained by gas-liquid chromatography of blood sera from animals captured in different zones of Central Asian focus gave statistically significant differences. To determine genetic variability in ecological and geographical isolation of R. opimus populations the DNA was genotyped.DNA samples analysis combined the studied gerbil from the desert focus into four clusters with eighteen haplotypes. R. opimus sequence analysis taking into account data from territories of Iran, Kazakhstan and China, clustered into three large clusters. First cluster combined the sequences of Kazakhstan and China samples, while great gerbil captured in Kazakhstan is located in a separate treasure. Second and third clusters include sequences of a great gerbil captured in Iran.

scholarly journals Historical Aspects Of The Environmental Policy Strategy In The Field Of Sustainable Development Of The Southern Aral Sea Region At The Present Stage

2021 ◽  
Vol 03 (01) ◽  
pp. 110-114
Author(s):  
A. Kaipnazarov ◽  
Keyword(s):  
Fair Use ◽  
Aral Sea ◽  
Mutual Understanding ◽  
Asian Countries ◽  
Present Stage ◽  
Historical Aspects ◽  
Aral Sea Basin ◽  
Central Asian ◽  
Central Asian Countries ◽  
The Republic

The article discusses the issues related to the solution of problems to improve the situation in the Aral Sea basin, which also included measures to save the Aral Sea region. In order to strengthen mutual understanding and trust between all Central Asian countries and establish openness in relations, the Republic of Uzbekistan considers it necessary to undertake joint efforts to find mutually beneficial solutions to resolve the issue of rational and fair use of water resources in Central Asia.

Morphology of the cephalothorax integument of Bryocamptus pygmaeus (Copepoda: Harpacticoida: Canthocamptidae), based on a new research method

2021 ◽  
Vol 30 (2) ◽  
pp. 320-330
Author(s):  
A.A. Novikov ◽  
E.B. Fefilova
Keyword(s):  
Three Dimensional ◽  
Komi Republic ◽  
Southeastern Part ◽  
The North ◽  
Udmurt Republic ◽  
The Republic ◽  
A New Technique ◽  
Three Dimensional Models ◽  
New Research ◽  
First Time

The number and location of sensilla and pores of the cephalothorax integument of the species Bryocamptus pygmaeus (G.O. Sars, 1863) (Copepoda, Canthocamptidae) were studied for the first time on the material from several European regions: the southeastern part of the Bolshezemelskaya tundra (Ne­nets Autonomous District), the north of the Komi Republic, the Republic of Karelia, and the central part of European Russia (Udmurt Republic). In the samples examined, two groups of populations differing in the characters of cephalothorax integument were recognised. These differences were found to correlate with the variability of the endopod of fourth pair of female legs, which bears four setae in specimens of the eastern form, while a specimen examined from Karelia has five setae. Pore maps are composed for both groups of morphotypes. A statistical analysis was carried out based on a new technique using three-dimensional models of the cephalothorax. As a result of this analysis, a high similarity between individuals of the eastern form and differences of the latter from the Karelian specimen were revealed.

scholarly journals Analysis of Epidemiological Situation on Crimean Hemorrhagic Fever in the Russian Federation in 2020 and Prognosis for 2021

2021 ◽  
pp. 17-22
Author(s):  
A. S. Volynkina ◽  
O. V. Maletskaya ◽  
O. N. Skudareva ◽  
I. V. Tishchenko ◽  
E. I. Vasilenko ◽  
...  
Keyword(s):  
Russian Federation ◽  
Hemorrhagic Fever ◽  
Federal District ◽  
Natural Focus ◽  
Modes Of Transmission ◽  
The North ◽  
The Russian Federation ◽  
The Republic ◽  
Epidemiological Situation

The review presents an analysis of the epidemiological and epizootiological situation on Crimean hemorrhagic fever in the Russian Federation in 2020. During the stated period, 32 CHF cases were registered, which is the minimum indicator since the activation of the natural focus of CHF in 1999. The mortality rate was 3.1 %. The incidence was recorded in the Rostov, Astrakhan Regions, Stavropol Territory, the Republics of Dagestan and Kalmykia. A significant decrease in the incidence of CHF was noted in all entities of the Southern Federal District and the North-Caucasian Federal District. An imported from the Republic of Crimea case of CHF was detected in Moscow. The seasonality of morbidity, occupational, and age composition of CHF patients, modes of transmission, features of the clinical course of the disease in 2020 corresponded to the data of long-term observations. Epizootiological monitoring of the territory of the CHF natural focus showed that the abundance of Hyalomma marginatum adults and the percentage of Ixodidae tick pools positive for the presence of CCHF virus markers corresponded to the average long-term indicators at stationary observation points in 2020 , which indicates the persisting epizootiological disadvantage of the territory of the natural CHF focus in the Russian Federation. The persisting high numbers and infection rate of H. marginatum ticks can contribute to the development of an unfavorable epidemiological situation in the south of the country with a possible increase in the incidence of CHF in the Russian Federation in 2021. 

The Effect of Conservation on Wildlife in Jordan

1986 ◽  
Vol 13 (4) ◽  
pp. 331-335 ◽  
Author(s):  
Alia M.A. Hatough ◽  
Dawud M.H. Al-Eisawi ◽  
Ahmad M. Disi
Keyword(s):  
Eastern Desert ◽  
Grazing Pressure ◽  
Anthropogenic Factors ◽  
Special Treatment ◽  
Meat Production ◽  
Marginal Lands ◽  
Southeastern Part ◽  
Vegetation Height ◽  
The North ◽  
Dry Conditions

Four selected reserves in Jordan have been studied to find out the effect of conservation on wildlife. These reserves are: Shaumari in the eastern desert; Surra in the Irano-Turanian region in the north of Jordan; Dab'aa in the Irano-Turanian in the southeastern part of Jordan; and Al-Fugaug in the Mediterranean region in the south of Jordan. The four reserves are representative of the three major biogeographical regions represented in the country.Using the quadrat method of survey, the vegetation height, cover, phytomass, diversity, and total number of macrophytic species, were statistically analysed. The results obtained show that the values of the factors studied tended to be 2–3 times as much inside as outside the fence in the unprotected area.These reserves were not subjected to any special treatment, merely being fenced and protected under natural condition without any human interference such as spreading of seeds, irrigation, fertilization, or any other anthropogenic factors.The following recommendations are offered in order to protect wildlife: foundation of reserves for wildlife protection; increasing well-planned rangelands and grazing areas for meat production; implementation of the laws against offences; improvement of the rangelands through research and by using fertilizers or nodular Bacteria associated with leguminous plants adapted to dry conditions; increased water research in dry areas in the hopes of producing irrigated rangelands; marginal lands with a low rainfall must not be used for cultivation; scientific research is needed to determine the carrying capacity of rangelands in different regions of the country; development of new methods of animal feeding to decrease the grazing pressure on natural rangelands; prohibition of hunting for at least five years; and finally, intensive information and publicity through the different media should be given out to educate the public and make them aware of the urgent need to protect wildlife and make proper use of it.

scholarly journals Efficiency of disinsection and deratization aimed at reducing epidemiologic risks in gorno-altaiskiy high-mountain natural plague focus

2021 ◽  
pp. 136-145
Author(s):  
A.N. Matrosov ◽  
◽  
E.V. Chipanin ◽  
A.Ya. Nikitin ◽  
A.V. Denisov ◽  
...  
Keyword(s):  
Yersinia Pestis ◽  
High Mountain ◽  
Environmental Aspects ◽  
Natural Focus ◽  
Statistical Research ◽  
Epidemiologic Surveillance ◽  
Gis Tools ◽  
Central Asian ◽  
Virulent Strains ◽  
Highly Virulent

Our research aim was to estimate efficiency of emergency disinsection and deratization that were accomplished to reduce risks of diseases among population in Gorno-Altaiskiy high-mountain natural plague focus. The research was performed in 2016–2021 in Gorno-Altaiskiy high-mountain plague focus which is the northern part of Sailygem cross-border natural focus located both in Russia and Mongolia. Zoological, epizootologic, epidemiological and statistical research procedures as well as GIS-tools were applied to collect and analyze research data. Epidemiologic surveillance over plague in the focus has been accomplished since 1961. Prior to 2011 only rhamnoso-positive strains of the plague microbe with selective virulence were found here, belonging to the Central Asian subspecies Yersinia pestis altaica, circulating mainly in the population of the Ochotona pallassi. Given that, the focus was believed to have low epidemic potential. Since 2012 highly virulent strains of the basic plague microbe Yersinia pestis ssp. pestis started to occur in populations of Marmota baibacina and other carriers. As a result, starting from that period of time, epidemiologic status of the focus changed and it led to 3 cases of bubonic plague among humans in 2014–2016. Disinsection and deratization remained the major components in anti-epidemic activities aimed at non-specific plague prevention. In 2016–2021 fields disinsection covered a total square equal to 162.7 km2; disinsection in settlements, 127.3 thousand m2; deratization in settlements, 461.7 thousand m2. An approach involving disinsection only on land spots that were considered epidemically hazardous was first implemented; such land spots were around livestock breeders’ camps located within boundaries of detected epizooties. Efficiency of fields disinsection amounted to 94.6; disinsection in settlements, 100 %; deratization in settlements, 88.0 %. Population of plague vectors and carriers was controlled bearing in mind environmental aspects in regulating numbers of animals and compliance with environmental protection requirements. Deratization and disinsection, together with other activities aimed at plague prevention, provide epidemiologic welfare in the focus and reduce its epizootic activity.

Peculiarities of the course of the postpartum period in domestic reindeer females, its morphophysiology and behavioral reactions in the North-East of Russia (Republic of Sakha)

2020 ◽  
pp. 99-105
Author(s):  
V. Fedorov ◽  
E. Sleptsov ◽  
K. Plemyashov
Keyword(s):  
Postpartum Period ◽  
Reproductive Function ◽  
Complex Problem ◽  
Climatic Conditions ◽  
Taiga Zone ◽  
Behavioral Reactions ◽  
North East ◽  
The North ◽  
The Republic ◽  
Mountain Taiga

A growth in the number of deer and an increase in their productivity are closely related to the solution of the complex problem of reproduction and rational use of deer females. Significant damage to reindeer husbandry is caused by the barrenness of northern domestic deer, the level of which has been quite high in recent years. So, in the Republic of Sakha, on 01.01.2020, the number of domesticated reindeer was 152,068, of which female deer and heifers — 71,818, offspring per 100 females — 59, business yield amounted to 52 fawns per 100 females. The causes of infertility are very diverse, as the natural and climatic conditions of the breeding zones have a significant influence on the reproductive function of reindeer. In Yakutia, the main population of northern domestic deer is bred in mountain taiga and tundra natural-climatic zones, so there are about 55 thousand deer in the mountain taiga zone and more than 65 thousand deer in the tundra zone. In this regard, the study of the peculiarities of the postpartum period course in domestic reindeer females, its morphophysiology, and behavioral reactions depending on the natural and climatic conditions of breeding is of great importance.

Peranan Ombudsman Republik Indonesia Perwakilan Sumatera Utara Dalam Pengawasan Pelayanan Dinas Kependudukan dan Catatan Sipil Kota Medan

2019 ◽  
Vol 1 (1) ◽  
pp. 1-12
Author(s):  
Putri Ananda Sari ◽  
Abdul Kadir ◽  
Beby Mashito Batu Bara
Keyword(s):  
Service Provider ◽  
Qualitative Approach ◽  
First Report ◽  
The North ◽  
Supervision Process ◽  
The Republic ◽  
North Sumatra

This study aims to determine the role of the Ombudsman of the Republic of Indonesia in North Sumatra Representative in the Supervision of Population and Civil Registry Service in Medan City. This study uses a qualitative approach with descriptive methods describing information about the data obtained from the field in the form of written and oral data from the parties studied. Data is collected based on interviews and documentation. The results of this study indicate that the role of the Ombudsman of the Republic of Indonesia in North Sumatra was carried out in the form of external supervision. External supervision is supervision carried out by the Ombudsman of the Republic of Indonesia Representative of North Sumatra to the Medan Population and Civil Registry Service. Actions taken in the supervision process are incoming reports, follow-up of the first report and follow-up of the report. Based on the research that has been carried out, it has been concluded that the role of the Ombudsman of the Republic of Indonesia in the North Sumatra Representative in supervising the service provider of the Population and Civil Registry services is carried out in the form of external supervision. In supervising the handling of public reports of alleged poor service in the area of population administration, it has been effective, with several efforts to handle reports such as: (1) Clarification; (2) Investigation; (3) Recommendations; (4) Monitoring.

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