Fig. 1: Interpolated seasonal pollen integrals for Ambrosia across Europe. | Nature Communications

Fig. 1: Interpolated seasonal pollen integrals for Ambrosia across Europe.

From: Biological weed control to relieve millions from Ambrosia allergies in Europe

Fig. 1

a Interpolated seasonal pollen integrals for Ambrosia (number of grains per cubic metre of air) across Europe before the establishment of Ophraella communa (data from 2004–2012). b Seasonal pollen integrals from 296 pollen monitoring stations were used to interpolate ragweed pollen exposure to a 10 × 10 km grid.

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