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Sökning: WFRF:(Dubourg Savage Marie Jo)

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1.
  • Rydell, Jens, et al. (författare)
  • Bat mortality at wind turbines in northwestern Europe
  • 2010
  • Ingår i: Acta Chiropterologica. - 1508-1109. ; 12:2, s. 261-274
  • Tidskriftsartikel (refereegranskat)abstract
    • We reviewed published and unpublished written reports on bat mortality at wind farms in northwestern Europe.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%).
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2.
  • Rydell, Jens, et al. (författare)
  • Mortality of bats at wind turbines links to nocturnal insect migration?
  • 2010
  • Ingår i: European Journal of Wildlife Research. - : Springer Science and Business Media LLC. - 1612-4642 .- 1439-0574. ; 56:6, s. 823-827
  • Forskningsöversikt (refereegranskat)abstract
    • This note is based on a literature search and a recent review of bat mortality data from wind farms in Europe (published elsewhere). We suggest that mortality of bats at wind turbines may be linked to high-altitude feeding on migrating insects that accumulate at the turbine towers. Modern wind turbines seem to reach high enough into the airspace to interfere with the migratory movements of insects. The hypothesis is consistent with recent observations of bats at wind turbines. It is supported by the observation that mortality of bats at wind turbines is highly seasonal (August-September) and typically peaks during nights with weather conditions known to trigger large-scale migratory movements of insects (and songbirds). We also discuss other current hypotheses concerning the mortality of bats at wind turbines.
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (1)
forskningsöversikt (1)
Typ av innehåll
refereegranskat (2)
Författare/redaktör
Bach, Lothar (2)
Green, Martin (2)
Hedenström, Anders (2)
Rydell, Jens (2)
Rodrigues, Luisa (2)
Dubourg-Savage, Mari ... (2)
Lärosäte
Lunds universitet (2)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Naturvetenskap (2)
År
2010 (2)

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