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Coastal cliffs on islands as foraging habitat for bats

Författare

  • Leonardo Ancillotto
  • Jens Rydell
  • Valentina Nardone
  • Danilo Russo

Summary, in English

Small islands usually show simplified ecosystems with limited availability of suitable foraging habitats for bats, thus habitat selection on islands may differ compared to the mainland. Habitats that are marginal on the mainland may be important on islands. The island of Capri consists, to a large extent, of steep limestone cliffs and Mediterranean shrubland, with virtually no forests or other habitats preferred by bats on the mainland. In this study we tested the hypothesis that in resource-limited systems, such as islands, habitats generally deemed of minor value for bat foraging, such as cliffs, may become important. We conducted an acoustic survey of bats in Capri ( SW Italy), comparing their use of Mediterranean shrubland and limestone cliffs. We found that cliffs provided the preferred foraging habitat in four of the five species tested. Noticeably, even the barbastelle bat Barbastella barbastellus, normally considered a forest specialist, selected coastal cliffs as foraging habitat. Our observations indicate that the paucity of foraging habitats on islands may strongly alter the habitat use by bats. This has important implications for conservation of bats in insular environments.

Publiceringsår

2014

Språk

Engelska

Sidor

103-108

Publikation/Tidskrift/Serie

Acta Chiropterologica

Volym

16

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Museum and Institute of Zoology, Polish Academy of Sciences

Ämne

  • Biological Sciences

Nyckelord

  • Barbastella barbastellus
  • bat conservation
  • habitat selection
  • island
  • ecology
  • Mediterranean

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1508-1109