Decline in insect populations
In einer Studie von Hallmann et al. konnte ein erhöhtes Insektensterben in Deutschland festgestellt werdenA increased decline in insect populations in Germany was identified in a study by Hallmann et al.:
Hallman, C. A. / Sorg, M. / Jongejans, E. / Siepel, H. / Hofland, N. / Schwan, H. / Stenmans, W. / Müller, A. / Sumser, H. / Hörren, T. / Goulson, D. / Kroon, H. D. (2017): More than 75 percent decline over 27 years in total flying insect biomass in protected areas. PLoS ONE 12 (10): e0185809. Online Version
Köthe et al. have shown that this is linked to intensive forms of agriculture:
Köthe, S. / Schneider, F. D. / Bakanov, N. / Brühl, C. A. / Eichler, L. / Fickel, T. / Gemeinholzer, B. / Hörren, T. / Lux, A. / Meinel, G. / Schäffler, L. / Scherber, C. / Sorg, M. / Swenson, S. J. / Terlau, W. / Turck, A. / Zizak, V. M. A. / Lehmann, G. U. C. / Mühlethaler, R. (2023): Improving insect conservation management through insect monitoring and stakeholder involvement. Biodiversity and Conservation 32, 691–713. Online Version