Numbers of published studies that investigated the impacts of winter recreation on wildlife.

*indicates a country with a major ski market [38]. ‘Total’ refers to the total number of published studies. ‘Positive’, ‘No Effect’ and ‘Negative’ refer to the specific effect(s) reported in each study. Note that the total number of specific effects may not equal the total number of studies, as individual articles may have reported more than one effect (e.g. an effect for each individual species, functional group, biotic measure etc. studied).