Fig. 2From: Occurrence of the invasive Spanish slug in gardens: can a citizen science approach help deciphering underlying factors?Heatmap of correlations between slug numbers and meteorological and ecological factors using Spearman correlations. Different shades of blue (negative correlation) and red (positive correlation) show the strength of the correlations; the more intensive the colours the stronger the correlations. Parameters in capital letters were used for further statistical analyses. Please refer to Table 1 for full names of the parameters. Map created with R (Version 3.0.1) and R Studio (Version 1.0.136)Back to article page