High temporal resolution data reveal low bat and insect activity over managed meadows in central Europe

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2024
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Dietzer, Melina T.
Ruczyński, Ireneusz
Borowik, Tomasz
Zegarek, Marcin
Choiński, Mateusz
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Scientific Reports. Springer. 2024, 14, 7498. eISSN 2045-2322. Available under: doi: 10.1038/s41598-024-57915-0
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Increasing agriculture and pesticide use have led to declines in insect populations and biodiversity worldwide. In addition to insect diversity, it is also important to consider insect abundance, due to the importance of insects as food for species at higher trophic levels such as bats. We monitored spatiotemporal variation in abundance of nocturnal flying insects over meadows, a common open landscape structure in central Europe, and correlated it with bat feeding activity. Our most important result was that insect abundance was almost always extremely low. This was true regardless of management intensity of the different meadows monitored. We also found no correlation of insect abundance or the presence of insect swarms with bat feeding activity. This suggests that insect abundance over meadows was too low and insect swarms too rare for bats to risk expending energy to search for them. Meadows appeared to be poor habitat for nocturnal flying insects, and of low value as a foraging habitat for bats. Our study highlights the importance of long-term monitoring of insect abundance, especially at high temporal scales to identify and protect foraging habitats. This will become increasingly important given the rapid decline of insects.

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ISO 690DIETZER, Melina T., Lara KEICHER, Jenna E. KOHLES, Edward HURME, Ireneusz RUCZYŃSKI, Tomasz BOROWIK, Marcin ZEGAREK, Mateusz CHOIŃSKI, Dina K. N. DECHMANN, 2024. High temporal resolution data reveal low bat and insect activity over managed meadows in central Europe. In: Scientific Reports. Springer. 2024, 14, 7498. eISSN 2045-2322. Available under: doi: 10.1038/s41598-024-57915-0
BibTex
@article{Dietzer2024tempo-69723,
  year={2024},
  doi={10.1038/s41598-024-57915-0},
  title={High temporal resolution data reveal low bat and insect activity over managed meadows in central Europe},
  volume={14},
  journal={Scientific Reports},
  author={Dietzer, Melina  T. and Keicher, Lara and Kohles, Jenna E. and Hurme, Edward and Ruczyński, Ireneusz and Borowik, Tomasz and Zegarek, Marcin and Choiński, Mateusz and Dechmann, Dina K. N.},
  note={Article Number: 7498}
}
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