Figure 2 from: Harry I, Drees C, Hofer H, Assmann T (2011) When to sample in an inaccessible landscape: a case study with carabids from the Allgäu (northern Alps) (Coleoptera, Carabidae). ZooKeys 100: 255-271. https://doi.org/10.3897/zookeys.100.1531

Figure 2 - Phenology of ground beetles. a Overview over all sites. Number of individuals is converted to percentage of total catch. b Seperated for the three site classes of altitude. On the horizontal axis the sampling interval is given. For exact sampling periods, see Table 2.