_:nfb27c0a393a14d259219a5840a30a2f5xb99
<http://schema.org/citation>
"Hallmann CA, Sorg M, Jongejans E, Siepel H, Hofland N, Schwan H, Stenmans W, M&uuml;ller A, Sumser H, H&ouml;rren T, Goulson D, de Kroon H (2017) More than 75 percent decline over 27 years in total flying insect biomass in protected areas. PLOS One 12 (10): e0185809.  https://doi.org/10.1371/journal.pone.0185809"
<https://bdj.pensoft.net/article/50451>