Influence of anthropogenic pressure on the system "Tick-tick-borne Pathogens" / Andrey N. Alekseev, Helen V. Dubinina & Olga V. Jushkova ; editor, S.I. Golovatch ; translator, Natalia Lentsman.

Includes bibliographical references (pages 169-190).

Cover -- Contents -- Introduction -- Acknowledgements -- Chapter 1. The Study Area. Material And Methods -- 1.1. Research Objects And Study Area -- 1.2. Methods -- Chapter 2. Phenotypic Diversity Of Ixodes Populations -- Chapter 3. Anthropogenic Pressure And The Accumulation Of Heavy Metals In The Environment -- 3.1. A Study On Ixodes Tick Environments In A Monitoring Area Near St. Petersburg -- 3.2. Characteristics Of Environmental Pollution By Hm And Oil Products -- 3.3. A Study On Soils -- 3.4. A Study On Snow -- 3.5. A Study On Vegetation -- 3.6. A Study Of The Hm Content In Ticks. Correlation Between Hm Content In Ticks And The Prevalence Of The Anomalous Part Of The Population -- Chapter 4. Ixodid Ticks As Reservoirs And Vectors Of Tick-Borne Disease Agents -- 4.1. Tick-Borne Encephalitis -- 4.2. Bacterial Tick-Borne Pathogens -- Order Spirochetales -- Order Rickettsiales -- Order Mycoplasmatacea -- 4.3. Protozoan Tick-Borne Pathogens -- 4.4. Mixed Tick-Borne Infections -- 4.5. 8220;Vulgar8221; Microflora Of The Internal Environment Of Ticks -- 4.6. Larvae Of Ichneumonids From The Family Encyrtidae (Insecta: Hymenoptera) -- 4.7. Microfilaria From The Genus Dipetalonema (Nematoda: Filarioidea) -- Chapter 5. Compatibility Of Pathogens In The Tick Host -- Chapter 6. Sexual Behaviour Of Ticks And Its Role In Maintaining The Circulation Of Pathogens -- Chapter 7. Locomotor Activity As An Index Of Tick Aggressiveness -- 7.1. A Study On The Individual Activity Of Ticks Regardless Of The Object Of Aggression -- 7.2. A Study Of Tick Behaviour On Attacked Humans -- 7.3. A Study Of The Behaviour Of Infected And Naive Phenotypically Different Ticks At The Population Level -- Chapter 8. The Ecological Background Of An Epidemiological Prognosis In The Study Area -- Chapter 9. Ontogenesis In The Two Phenotypic Groups Comprising Tick Populations -- Chapter 10. The Impact Of Global Warming On The Functioning Of The Parasitic System 8220;Ticks8211;Pathogens8221; -- Chapter 11. Stability Of The Parasitic System And The Possibility Of Vicious Circle Formation Under Anthropogenic Pressure -- 11.1. Conditions Ensuring The Stability Of The Parasitic System As A Parasitocoenosis -- 11.2. A Vicious Circle: Enhancement Of Tick Vectorial Capacity In The Conditions Of An Increasing Environmental Pollution -- Conclusion -- References.

Hard ticks (Ixodidae, Acarina) are long known as vectors of various diseases of man, as well as of domestic and wild animals. Widespread in almost all of the climatic zones, except circumpolar ones, ixodids as blood-suckers can transmit a vast range of pathogenic microorganisms. It is therefore hardly surprising that these ticks, in particular those representing the genus Ixodes, have been extensively studied. To give just a few examples, the occurrence dynamics of ticks and tick-borne pathogens has been investigated in various geographical regions differing in climate, altitude and dominating vegetation communities. Tick distribution areas have been described, and their changes under the conditions of global climate warming have been forecasted. Alterations of genetic and biochemical features of infected ticks under the influence of pathogens have been analyzed, and the role of migratory birds in the transfer of ticks and their pathogens has been revealed. The present monograph aims at somewhat filling in this gap. It summarizes the results of long-term studies on the parasitic system "ixodid ticks-tick-borne pathogens". Changes in the functioning of this system under the influence of growing anthropogenic pressure were revealed, and an increased epidemiological hazard of the system with altered properties was demonstrated

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