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- Summary:
WREN
In October 2018, the International Energy Agency Wind Task 34—Working Together to Resolve the Environmental Effects of Wind Energy (WREN)—organized a virtual forum to discuss the likelihood of bats experiencing barotrauma when flying near moving wind turbine blades. The forum included experts in bat biology and physiology, bat and wind turbine…
- Summary:
SEER
The U.S. Offshore Wind Synthesis of Environmental Effects Research (SEER) effort is a multi-year collaborative effort that will facilitate knowledge transfer for offshore wind research around the world to synthesize key issues and disseminate existing knowledge about environmental effects, inform applicability to U.S. waters, and prioritize future research needs.
- Journal Article:
Nicholls and Racey
Large numbers of bats are killed by collisions with wind turbines and there is at present no accepted method of reducing or preventing this mortality. Following our demonstration that bat activity is reduced in the vicinity of large air traffic control and weather radars, we tested the hypothesis that an electromagnetic signal from a small portable radar can act as a deterrent to foraging bats…
- Report:
Ruth et al.
Migratory birds face many changes to the landscapes they traverse and the habitats they use. Wind turbines and communications towers, which pose hazards to birds and bats in flight, are being erected or proposed across the United States and offshore. Human activities can also destroy or threaten habitats critical to birds during migratory passage, and climate change appears to be altering…
- Journal Article:
Ahmed and Cameron
This paper presents a review of existing and emerging wind power technologies in light of the evident trends of the industry, and describes the challenges these technologies will face if wind turbines were to become a significant and reliable source of clean energy of the future. Apart from withstanding both the cost pressures against other forms of renewable and non-renewable…
- Conference Paper:
Manville and Hueckel
This session at the Wind Energy and Birds/Bats workshop consisted of two presentations followed by a discussion/question and answer period. The two papers were: 'Development and Application of USFWS Guidance for Site Evaluation, Siting, Construction, Operation and Monitoring of Wind Turbines' by Albert Manville and 'Wind Power in Washington State' by Greg Hueckel. The session provided a…
- Journal Article:
Krivek et al.
Camera traps are an increasingly popular survey tool for ecological research and biodiversity conservation, but studies investigating their impact on focal individuals have been limited to only a few mammal species. In this context, echolocating bats are particularly interesting as they rely less on vision for navigation, yet show a strong negative reaction to constant illumination. At…
- Journal Article:
Gartman et al.
During this rapid development of wind energy aiming to combat climate change worldwide, there is greater need to avoid, reduce, and compensate for impacts on wildlife: Through the effective use of mitigation, wind energy can continue to expand while reducing impacts. This is a first broad step into discussing and understanding mitigation strategies collectively, identifying the current state…
- Journal Article:
Caprio et al.
Information about bat migration routes across the Alps is generally scarce and there is no existing data available for the Italian part of the chain. Through acoustic surveys, we explored the possibility that even a region characterized by high Alpine mountains may be crossed by migrant bats. Data were recorded in…
- Journal Article:
Henrich et al.
When considering the impact of wind turbines on the mortality of birds and bats, it is important to know the length of time that a carcass will be detectable. Thousands of small animals (such as many passerine birds with high mortality rates) die every day, but dead animals are rarely found by casual observers in the…
- Journal Article:
Segers and Broders
Wind-farm development may be an important contributor to forest fragmentation, but how such developments impact bats is poorly understood. We hypothesized that bat activity at a wind farm would be explained, at least in part, by attraction and avoidance behaviours caused by deforestation. We tested…
- Report:
Poerink et al.
A study in southern Sweden (Ahlen, 2007) revealed that migrating bats regularly forage around the offshore wind turbines because of the accumulation of flying insects. In addition, non-migratory bats used the wind farms as a foraging area. In the past decades there have been several records of bats found on oil platforms in the Southern North Sea (Bekker & Boshamer, 2008, Russ (2000…
- Journal Article:
Adams et al.
Curtailment of turbine operations during low wind conditions has become an operational minimization tactic to reduce bat mortality at terrestrial wind energy facilities. Site-specific studies have demonstrated that bat activity is higher during lower wind speeds and that operational curtailment can effectively reduce fatalities. However, the exact nature of the relationship between curtailment…
- Journal Article:
Green et al.
Hoary bats (Lasiurus cinereus) and silver-haired bats (Lasionycteris noctivagans) are species of conservation concern because of the documented annual mortality that occurs at wind energy facilities. Several recent studies have predicted continental-scale declines of hoary bat populations due to interactions with wind turbines. We predicted a decrease in captures at…
- Journal Article:
Gilmour et al.
Acoustic deterrents have shown potential as a viable mitigation measure to reduce human impacts on bats; however, the mechanisms underpinning acoustic deterrence of bats have yet to be explored. Bats avoid ambient ultrasound in their environment and alter their echolocation calls in response to masking noise. Using stereo thermal videogrammetry and acoustic methods, we tested…
- Journal Article:
de Jong et al.
We present data on species composition and activity of bats during two years at three different wind- turbines, located in south Sweden, both at the base and nacelle height. To test the hypothesis that bats are attracted to wind turbines because of feeding opportunities, insects were sampled at nacelle height at one wind turbine using a suction trap, simultaneously as bat activity were…
- Book:
Kim et al.
With more than 1,400 species, bats are an incredibly diverse and successful group of mammals that can serve as model systems for many unique evolutionary adaptations. Flight has allowed them to master the sky, while echolocation enables them to navigate in the dark. Being small, secretive, nocturnal creatures has made bats a challenge to study, but over the past 50 years, innovative research…
- Journal Article:
Brabant et al.
Bats undertaking seasonal migration between summer roosts and wintering areas can cross large areas of open sea. Given the known impact of onshore wind turbines on bats, concerns were raised on whether offshore wind farms pose risks to bats. Better comprehension of the phenology and weather conditions of offshore bat migration are considered as research priorities for bat conservation and…
- Book Chapter:
Barclay and Harder
An individual's absolute fitness depends on the timing, quality, and quantity of reproduction. This life history incorporates fundamental components of reproductive output and survival, including size at birth and maturity, rate of growth, age at maturity, size and number of offspring, and senescence. In general, these life-history traits arise from an individual's schedule of investment in…
- Journal Article:
Peterson et al.
Turbine-related bat mortality at commercial wind energy facilities may threaten populations of migratory tree-roosting bat species in North America. Industry stakeholders and regulatory agencies alike are investigating strategies to reduce risk of population-level consequences as the wind energy industry grows. Bats collide with…
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