Fig. 1 in A species-level trait dataset of bats in Europe and beyond

Fig. 1 Number of peer-reviewed studies per year (a) and per geographic area (b) that implemented a traitbased approach to study bats15–91. Data were extracted from a systematic literature search conducted in Web of Science and Google Scholar on the 15th of November 2021 using the following search string terms: (Bat* OR Chiroptera) AND ("trait-base*" OR "trait diversity" OR "functional diversity" OR trait*). The black solid line represents the LOESS (locally weighted scatterplot smoothing) fit to the observed relationship. See raw data and details in Supplementary Material 1.