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Resource Documents: Bats (64 items)
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Evaluating anthropogenic landscape alterations as wildlife hazards, with wind farms as an example
Author: Law, Peter; and Fuller, Mark
[ABSTRACT] Anthropogenic alterations to landscape are indicators of potential compromise of that landscape’s ecology. We describe how alterations can be assessed as ‘hazards’ to wildlife through a sequence of three steps: diagnosing the means by which the hazard acts on individual organisms at risk; estimating the fitness cost of the hazard to those individuals and the rate at which that cost occurs; and translating that cost rate into a demographic cost by identifying the relevant demographically-closed population. We exploit the . . .
More »Migratory bats are attracted by red light but not by warm-white light: Implications for the protection of nocturnal migrants
Author: Voigt, Christian; et al.
Abstract: The replacement of conventional lighting with energy‐saving light emitting diodes (LED) is a worldwide trend, yet its consequences for animals and ecosystems are poorly understood. Strictly nocturnal animals such as bats are particularly sensitive to artificial light at night (ALAN). Past studies have shown that bats, in general, respond to ALAN according to the emitted light color and that migratory bats, in particular, exhibit phototaxis in response to green light. As red and white light is frequently used in . . .
More »Wind turbines impact bat activity, leading to high losses of habitat use in a biodiversity hotspot
Author: Millon, Lara; et al.
Abstract: Previous studies have mainly focused on bat mortality through collision by wind turbines, and very few studies have assessed the indirect impacts on bat activity and on foraging habitat availability. Also, there is a global lack of knowledge on the vulnerability of tropical bat fauna due to wind energy production, even though it is well known that windpower can affect bat communities and biodiversity hotspots are widespread in the tropics. We present one of the first studies to quantify . . .
More »Strong geographic and temporal patterns in conservation status of North American bats
Author: Hammerson, Geoffrey; et al.
Abstract – Conservationists are increasingly concerned about North American bats due to the arrival and spread of the White-nose Syndrome (WNS) disease and mortality associated with wind turbine strikes. To place these novel threats in context for a group of mammals that provides important ecosystem services, we performed the first comprehensive conservation status assessment focusing exclusively on the 45 species occurring in North America north of Mexico. Although most North American bats have large range sizes and large populations, as . . .
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