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Fig. 1 | Parasites & Vectors

Fig. 1

From: Infection risk varies within urbanized landscapes: the case of coyotes and heartworm

Fig. 1

Map of the Chicago metropolitan area. Grey land represents built-up/developed land and roads (i.e., impervious surfaces from the 2011 National Land Cover Database). Red circles are coyote capture locations (n = 315). Zones 1–4 delineated by black circular lines were generated to explore the relationship between urbanization and the onset and duration of the heartworm transmission season. The heartworm transmission season was estimated by collecting daily temperature data from each zone (see Additional file 1: Figure S1)

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