View source for Acarina (2000) 8, 137-141

{{Publication
|Publication authors=S.D. Zharkov, H.V. Dubinina, [[Andrey N. Alekseev|A.N. Alekseev]] and Per M. Jensen
|Author Page=Per M. Jensen, Andrey N. Alekseev
|Publication date=2000
|dc:title=Anthropogenic pressure and changes in ''Ixodes'' tick populations in the baltic region of Russia and Denmark
|Publication journal=Acarina
|prism:volume=8 (2)
|prism:startingPage=137
|Last page=141
|Publication abstract=The representatives of two ''Ixodes'' species were tested for exoskeleton abnormalities and infections caused by different pathogens. Two groups comprising 3854 alive ticks from Russia and Denmark and 3417 alcohol fixed ticks collected from five different locations in 1990-1999 were studied.<br/>Abnormalities were looked for using a stereomicroscope. For the first time the presence and types of ''Ixodes'' species nymphs' exoskeleton abnormalities were shown. Darkfield microscopy and IFA methods were used to detect infection. The minimum of anomalies (10-15%) was found in protected areas: in the Zhiguli Reserve (Russia) and the Gribskov National Park (Denmark). The maximum (48%) was found in the industrial Cherepovets area (Russia). The prevalence of the exoskeleton abnormalities in ''Ixodes'' ticks populations depends greatly on the anthropogenic pressure. Exoskeleton abnormality research may be one of the most reliable ways of biomonitoring of the environment pollution level. Further research needed to reveal the exact abnormality-causing agents. It might be an accumulation of the heavy metal ions or complex hydrocarbons in the environment as well as any other factors.
|AbstractCC=Yes
|Research topic=general biology - morphology - evolution
|Is book=No
}}
{{Pest record
|Pest=Ixodes ricinus
|Country=Denmark
|Quarantined=No
}}
{{Pest record
|Pest=Ixodes persulcatus
|Country=Russia (Eur.)
|Quarantined=No
}}