Driving forces for changes in geographical distribution of Ixodes ricinus ticks in Europe

Medlock Jolyon, Hansford Kayleigh M., Bormane Antra, Derdakova Marketa, Estrada-Pena Agustin, George Jean-Claude, Golovljova Irina, Jaenson Thomas, Jensen Jens-Kjeld, Jensen Per M., Kazimirova Maria, Oteo José, Papa Anna, Pfister Kurt, Plantard Olivier, Randolph Sarah E., Rizzoli Annapaola, Santos-Silva Maria Margarida, Sprong Hein, Vial Laurence, Hendrickx Guy, Zeller Hervé, Van Bortel Wim. 2013. Driving forces for changes in geographical distribution of Ixodes ricinus ticks in Europe. Parasites and Vectors, 6 (1), 11 p.

Journal article ; Article de revue à facteur d'impact Revue en libre accès total
Published version - Anglais
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Quartile : Q1, Sujet : PARASITOLOGY

Abstract : Many factors are involved in determining the latitudinal and altitudinal spread of the important tick vector Ixodes ricinus (Acari: Ixodidae) in Europe, as well as in changes in the distribution within its prior endemic zones. This paper builds on published literature and unpublished expert opinion from the VBORNET network with the aim of reviewing the evidence for these changes in Europe and discusses the many climatic, ecological, landscape and anthropogenic drivers. These can be divided into those directly related to climatic change, contributing to an expansion in the tick's geographic range at extremes of altitude in central Europe, and at extremes of latitude in Scandinavia; those related to changes in the distribution of tick hosts, particularly roe deer and other cervids; other ecological changes such as habitat connectivity and changes in land management; and finally, anthropogenically induced changes. These factors are strongly interlinked and often not well quantified. Although a change in climate plays an important role in certain geographic regions, for much of Europe it is non-climatic factors that are becoming increasingly important. How we manage habitats on a landscape scale, and the changes in the distribution and abundance of tick hosts are important considerations during our assessment and management of the public health risks associated with ticks and tick-borne disease issues in 21st century Europe. Better understanding and mapping of the spread of I. ricinus (and changes in its abundance) is, however, essential to assess the risk of the spread of infections transmitted by this vector species. Enhanced tick surveillance with harmonized approaches for comparison of data enabling the follow-up of trends at EU level will improve the messages on risk related to tick-borne diseases to policy makers, other stake holders and to the general public. (Résumé d'auteur)

Mots-clés Agrovoc : Ixodes ricinus, Dynamique des populations, Distribution géographique, Distribution spatiale, Vecteur de maladie, Hôte, habitat, Écologie animale, Changement climatique, Altitude, Paysage, Environnement, Surveillance épidémiologique, Cervidae

Mots-clés géographiques Agrovoc : Europe

Classification Agris : L72 - Pests of animals
L73 - Animal diseases
L20 - Animal ecology
P40 - Meteorology and climatology

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

Auteurs et affiliations

  • Medlock Jolyon, HPA (GBR)
  • Hansford Kayleigh M., HPA (GBR)
  • Bormane Antra, Infectology Center of Latvia (LVA)
  • Derdakova Marketa, Parasitological Institute (SVK)
  • Estrada-Pena Agustin, University of Zaragoza (ESP)
  • George Jean-Claude
  • Golovljova Irina, National Institute for Health Development (EST)
  • Jaenson Thomas, Swedish University of Agricultural Sciences (SWE)
  • Jensen Jens-Kjeld
  • Jensen Per M., University of Copenhagen (DNK)
  • Kazimirova Maria, Slovak Academy of Sciences (SVK)
  • Oteo José, Centro de investigaciones biologicas (ESP)
  • Papa Anna, University of Thessaloniki (GRC)
  • Pfister Kurt, Ludwig-Maximilians-Universität (DEU)
  • Plantard Olivier, INRA (FRA)
  • Randolph Sarah E., Oxford University (GBR)
  • Rizzoli Annapaola, IASMA (ITA)
  • Santos-Silva Maria Margarida, National Health Institute Doutor Ricardo Jorge (PRT)
  • Sprong Hein, RIVM (NLD)
  • Vial Laurence, CIRAD-BIOS-UMR CMAEE (FRA)
  • Hendrickx Guy, Agriculture and Veterinary Information and Analysis (BEL)
  • Zeller Hervé, Institut Pasteur (FRA)
  • Van Bortel Wim, ECDC (SWE)

Source : Cirad - Agritrop (

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