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Fig. 1 | Parasites & Vectors

Fig. 1

From: Influence of climatic factors on Ixodes ricinus nymph abundance and phenology over a long-term monthly observation in Switzerland (2000–2014)

Fig. 1

Schematic view of a density curve of questing nymphs over one year, modified from Perret et al. [15]. Shown are parameters used for analyses: cumulated nymph density (CND), calculated as the integral of nymph density curve over the year; peak nymph density (PND) represents the maximal nymph densities in spring (PND1) and autumn (PND2); nymph peak (NP1 and 2) are dates linked to PND1 and 2, respectively. O10 represents the first day of the year at which nymph density reaches at least 10% of maximal density (PND1). This date was interpolated from the 2 closest field samples

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