Fig. 8

Heatmap of the monitoring methods used (horizontal) for studying the ISGs (vertical). Numbers refer to the number of publications. ISGs are grouped according to Fig. 6 i e. from left to right: flora, soil fauna, ground-dwelling arthropods, flying and foliar arthropods, and others (birds, mammals, amphibians and reptiles). Color scale from 1 to 100 with 100 including all values beyond 100