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Dune Hares: Population Indices, Home Range Size, and Habitat Selection of the European Hare on a Danish Island. | LitMetric

AI Article Synopsis

  • Population indices, like transect counts, are essential for tracking changes in animal populations, and studying home range and habitat selection helps understand how animals adapt to their environments.* -
  • Research on European hares in Denmark's Langli Island revealed that the average hare population density from 1983 to 1997 was 64 hares/km, with notable annual and seasonal fluctuations.* -
  • Hares showed a bimodal habitat selection, foraging in marsh areas at night and resting in dunes and grasslands during the day, suggesting that the dunal landscapes provide high-quality habitats crucial for their survival amid declining populations in Europe.*

Article Abstract

Population indices, such as transect counts of animals, can provide important information concerning population changes over time. Moreover, data concerning the home range size and habitat selection of individuals can provide valuable insight into spatial requirements of animals and how they can adapt to variable environments. Here, we describe the population development of European hares () and investigated home range sizes and habitat selection of six radio-tagged individuals on the small (80 ha) Danish Wadden Sea island Langli. The average minimum hare population density from 1983 to 1997 was 64 ± 36 (mean ± SD) hares/km, with hare numbers varying among years and seasons. The average home range size was 23.3 (CI: 18.9-28.7) ha, which is comparable to agricultural areas of high structural diversity. Moreover, hare habitat selection was generally bimodal, with hares moving over larger areas and selecting marsh habitat for foraging during nighttime, and dune and grassland habitat for resting during daytime, especially during winter. Combined, our results indicate that hare abundance and space use in the dunal landscape of Langli Island were similar to agricultural areas of comparatively high habitat quality. Thus, dunal marsh landscapes offer high-quality habitat for hares and might be of importance as population strongholds at a time when hare populations are declining in many agricultural areas across Europe.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461751PMC
http://dx.doi.org/10.1002/ece3.70415DOI Listing

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