Arnett, Edward; Baerwald, Erin; Mathews, Fiona; Rodriques, Luisa; Rodríquez-Durán, Armando; Rydell, Jens; Villegas-Patrace, Rafael; and Voigt, Christian
Impacts of Wind Energy Development on Bats: A Global Perspective
Abstract – Wind energy continues to be one of the fastest growing renewable energy sources under development, and while representing a clean energy source, it is not environmentally neutral. Large numbers of bats are being killed at utility-scale wind energy facilities worldwide, raising concern about cumulative impacts of wind energy development on bat populations. We discuss our current state of knowledge on patterns of bat fatalities at wind facilities, estimates of fatalities, mitigation efforts, and policy and conservation implications. Given the . . . Complete article »
Roeleke, Manuel; Mumrungsri, Sara; and Voigt, Christian
Bats probe the aerosphere during landscape-guided altitudinal flights
ABSTRACT – As the only mammals capable of powered flight, bats make efficient use of the aerosphere. Yet, our understanding of how bats use the three-dimensional air column is sketchy. By attaching miniaturised Global Positioning System tags to cave bats near a mountain ridge in Thailand, we show that these bats perform undulating ascending and descending flights in quick succession. Bats repeatedly used mountain slopes to ascend to altitudes of more than 550 m above the ground. We infer that mountain . . . Complete article »
Voigt, Christian; Lindecke, Oliver; Schönborn, Sophia; Kramer-Schadt, Stephanie; and Lehmann, David
Habitat use of migratory bats killed during autumn at wind turbines
Abstract. The killing of large numbers of migratory bats at wind turbines is a pressing conservation problem. Even though avoidance and mitigation measures could benefit from a better knowledge of the species’ migratory habits, we lack basic information about what habitats and corridors bats use during migration. We studied the isotopic niche dimensions of three bat species that are frequently killed at wind turbines in Germany: non-migratory Pipistrellus pipistrellus, mid-distance migratory Nyctalus noctula, and long-distance migratory Pipistrellus nathusii. We measured . . . Complete article »
Voigt, Christian; Lehnert, Linn; et al.
Wildlife and renewable energy: German politics cross migratory bats
[Abstract] The catastrophic nuclear meltdowns at Fukushima triggered a worldwide demand for renewable energy. As one of the few countries, Germany decided on an accelerated shift towards green energy, resulting in substantial conflicts with international conservation goals. Currently, large numbers of wind power facilities are erected in Germany, yet with unforeseen consequences for wildlife, particularly for endangered and protected bats. Presumably, more than 250,000 bats are killed annually due to interactions with German wind turbines, and total losses may account . . . Complete article »
Voigt, Christian C.; Popa-Lisseanu, Ana G.; Niermann, Ivo; and Kramer-Schadt, Stephanie
Catchment area of wind farms for European bats: a plea for international regulations
Abstract: Wind turbines are increasingly established throughout Europe and North America with often fatal consequences for wildlife, most importantly bats and birds. Yet, it is often unknown over what geographical distances wind farms are affecting animal populations. Based on stable hydrogen isotopes in fur, we assessed the geographic provenance of bats killed in summer and autumn at German wind turbines. We found that killed Pipistrellus nathusii originated from Estonia or Russia, and Pipistrellus pipistrellus from more local populations. Noctule bats . . . Complete article »
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