Du är här

Bat mortality at wind turbines in northwestern Europe

Författare:
Publiceringsår: 2010
Språk: Engelska
Sidor: 261-274
Publikation/Tidskrift/Serie: Acta Chiropterologica
Volym: 12
Nummer: 2
Dokumenttyp: Artikel
Förlag: Museum & Inst Zoology Pas-Polish Acad Sciences

Sammanfattning

We reviewed published and unpublished written reports on bat mortality at wind farms in northwestern Europe. The estimated number of bats killed per turbine annually was relatively low (0-3) on flat, open farmland away from the coast, higher (2-5) in more complex agricultural landscapes, and highest (5-20) at the coast and on forested hills and ridges. The species killed almost exclusively (98%) belonged to a group (Nyctalus, Pipistrellus, Vespertilio and Eptesicus spp.) adapted for open-air foraging. The bats were killed by the moving rotor blades as they hunted insects attracted to the turbines. This occurred independently of sex and age. Peak mortality varied considerably in frequency and timing among years, but the events usually (90%) occurred on nights with low wind speeds in late July to early October and to a lesser extent (10%) also in April-June. The mortality increased with turbine tower height and rotor diameter but was independent of the distance from the ground to the lowest rotor point. It was also independent of the size of the wind park (1-18 turbines). Bat species other than the open-air suite referred to above are usually not at risk at wind turbines, because they fly below the rotors, but are still killed occasionally (2%).

Disputation

Nyckelord

  • Biology and Life Sciences
  • wind farming
  • renewable energy
  • killing factors
  • high-altitude feeding
  • bat conservation
  • aeroecology
  • aerial ecology

Övriga

Published
  • CAnMove
Yes
  • ISSN: 1508-1109

Box 117, 221 00 LUND
Telefon 046-222 00 00 (växel)
Telefax 046-222 47 20
lu [at] lu [dot] se

 

Fakturaadress: Box 188, 221 00 LUND
Organisationsnummer: 202100-3211
Om webbplatsen