Effect of Climate and Land Use on the Spatio-Temporal Variability of Tick-Borne Bacteria in Europe

Roberto Rosà, Veronica Andreo, Valentina Tagliapietra (Corresponding Author), Ivana Baráková, Daniele Arnoldi, Heidi C. Hauffe, Mattia Manica, Fausta Rosso, Lucia Blaňarová, Martin Bona, Marketa Derdáková, Zuzana Hamšíková, Maria Kazimírová, Jasna Kraljik, Elena Kocianová, Lenka Mahríková, Lenka Minichová, Ladislav Mošanský, Mirko Slovák, Michal StankoEva Špitalská, Els Ducheyne, Markus Neteler, Zdenek Hubálek, Ivo Rudolf, Kristyna Venclikova, Cornelia Silaghi, Evelyn Overzier, Robert Farkas, Gábor Földvári, Sándor Hornok, Nóra Takács, Annapaola Rizzoli

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The incidence of tick-borne diseases caused by Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Rickettsia spp. has been rising in Europe in recent decades. Early pre-assessment of acarological hazard still represents a complex challenge. The aim of this study was to model Ixodes ricinus questing nymph density and its infection rate with B. burgdorferi s.l., A. phagocytophilum and Rickettsia spp. in five European countries (Italy, Germany, Czech Republic, Slovakia, Hungary) in various land cover types differing in use and anthropisation (agricultural, urban and natural) with climatic and environmental factors (Normalized Difference Vegetation Index (NDVI), Normalized Difference Water Index (NDWI), Land Surface Temperature (LST) and precipitation). We show that the relative abundance of questing nymphs was significantly associated with climatic conditions, such as higher values of NDVI recorded in the sampling period, while no differences were observed among land use categories. However, the density of infected nymphs (DIN) also depended on the pathogen considered and land use. These results contribute to a better understanding of the variation in acarological hazard for Ixodes ricinus transmitted pathogens in Central Europe and provide the basis for more focused ecological studies aimed at assessing the effect of land use in different sites on tick–host pathogens interaction.
Original languageEnglish
Article number732
Number of pages15
JournalInternational journal of environmental research and public health
Issue number4
Publication statusPublished - 12 Apr 2018




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