Although anthropogenic stressors substantially impact insect biodiversity, few studies compare the drivers of trends among multiple taxa due to a lack of standardized time series data. This dissertation analyses 40 years of highly heterogeneous observation data from the central European region of Bavaria to determine occupancy changes of three insect taxa and evaluate potential drivers of trends. The effects of climate change, habitat preference, dependence on ants, and the EU Habitats Directive, among others, on butterfly, grasshopper, and dragonfly trends are discussed.
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Although anthropogenic stressors substantially impact insect biodiversity, few studies compare the drivers of trends among multiple taxa due to a lack of standardized time series data. This dissertation analyses 40 years of highly heterogeneous observation data from the central European region of Bavaria to determine occupancy changes of three insect taxa and evaluate potential drivers of trends. The effects of climate change, habitat preference, dependence on ants, and the EU Habitats Directive...
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