> 75% decline over 27 years in total flying insect biomass in protected areas The measurements took place in protected areas in Germany. Have there been simil

> 75% decline over 27 years in total flying insect biomass in protected areas The measurements took place in protected areas in Germany. Have there been similar studies for other locations? Edit: It appears that almost all the measurements took place at locations in Nordrhein-Westfalen, Germany's most populous state ... > S1 Fig. Map of study area. > Insect trap locations (yellow points) in Nordrhein-Westfalen (n = 57), Rheinland-Pfalz (n = 1) and Brandenburg (n = 5)