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Article
2025
Habitat requirements and home range use of the threatened garden dormouse (Eliomys quercinus) in a coniferous forest
Habitat requirements and home range use of the threatened garden dormouse (Eliomys quercinus) in a coniferous forest
Abstract (English)
Understanding habitat use and requirements is essential for the conservation of endangered species, such as the garden dormouse (Eliomys quercinus). Therefore, we radio-tracked garden dormice (n = 39) in the Black Forest National Park (Germany) between 2019 and 2021, determined home range size by calculating autocorrelated kernel density estimates, located resting sites during the day, and analyzed their resting behavior. Furthermore, we investigated their crossing behavior across paths varying in width, in the degree of canopy closure, and understory. Median home range size was 3.8 ha (Q25 = 2.3 ha, Q75 = 6.6 ha) in adults and 1.9 ha in juveniles. Adult males increased their home range sizes during reproduction. In September, shortly before hibernation, adults used smaller home ranges, likely to save energy. During the day, garden dormice used nest boxes and natural nests under the ground as resting sites. Ground holes were an important resource as they were most frequently used by reproductive individuals and also at low ambient temperatures (0.1–14.7 °C). In contrast, nest boxes were used only at higher ambient temperatures (> 5.9 °C). Forest trails with tree cover and/or undergrowth were frequently crossed by adults, while 4 m wide forest paths without tree cover or undergrowth were rarely crossed. The results of our study show that the preservation of natural resting sites, the restoration of forest trails, or the installation of crossing structures are important conservation measures for the garden dormouse, facilitating migration and colonization of new habitats and reducing the risk to lose genetic variability.
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European journal of wildlife research, 71 (2025), 38.
https://doi.org/10.1007/s10344-025-01912-9.
ISSN: 1439-0574
Berlin/Heidelberg : Springer
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Erhardt, S., Pfister, J., Beier, M., Vorderbrügge, R., Förschler, M. I., & Fietz, J. (2025). Habitat requirements and home range use of the threatened garden dormouse (Eliomys quercinus) in a coniferous forest. European journal of wildlife research, 71. https://doi.org/10.1007/s10344-025-01912-9
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English
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590 Animals (Zoology)
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Sustainable Development Goals
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@article{Erhardt2025,
doi = {10.1007/s10344-025-01912-9},
author = {Erhardt, Stefanie and Pfister, Jan and Beier, Marieke et al.},
title = {Habitat requirements and home range use of the threatened garden dormouse (Eliomys quercinus) in a coniferous forest},
journal = {European Journal of Wildlife Research},
year = {2025},
volume = {71},
}