Molecular dietary analysis reveals plasticity in habitat requirements of a clutter specialist bat

IF 3 2区 环境科学与生态学 Q2 ECOLOGY Basic and Applied Ecology Pub Date : 2025-03-04 DOI:10.1016/j.baae.2025.03.002
Miren Aldasoro , Oihane Diaz de Cerio , Danilo Russo , Nerea Vallejo , Lander Olasagasti , Urtzi Goiti , Joxerra Aihartza
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Abstract

In recent decades, there has been significant progress in studying the foraging habitats of bats. However, these studies provide only a limited understanding of their requirements. Metabarcoding allows species-level identification of consumed prey, allowing us to determine their source habitats. In this study, we sampled faeces from three Rhinolophus hipposideros colonies in different climatic zones from spring to late August. Using metabarcoding, we examined how the lesser horseshoe bat diet changes over time and whether their most-consumed prey varies seasonally across landscapes. Our results show that bat diets change seasonally and differ between colonies, often presumably in response to new prey outbreaks. We deduced from the prey eaten by bats that they have varied habitat requirements. While woodland and shrubs are primary prey source habitats, bats also rely on other environments. We inferred that, in particular, open habitats are exploited more frequently than expected, indicating a high degree of plasticity in their trophic habitat needs. Therefore, protecting diverse, interconnected landscapes with varied prey is crucial for their conservation.
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分子膳食分析揭示了杂乱专业蝙蝠对栖息地要求的可塑性
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来源期刊
Basic and Applied Ecology
Basic and Applied Ecology 环境科学-生态学
CiteScore
6.90
自引率
5.30%
发文量
103
审稿时长
10.6 weeks
期刊介绍: Basic and Applied Ecology provides a forum in which significant advances and ideas can be rapidly communicated to a wide audience. Basic and Applied Ecology publishes original contributions, perspectives and reviews from all areas of basic and applied ecology. Ecologists from all countries are invited to publish ecological research of international interest in its pages. There is no bias with regard to taxon or geographical area.
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