With the expansion of human habitation near and within natural habitats, fragile ecosystems are increasingly exposed to artificial night lighting. Amphibians (particularly frogs and salamanders) are important components of many forest and aquatic ecosystems. Amphibians are particularly sensitive to environmental changes and, thus, are important indicators of the health of ecosystems. Amphibian populations have been declining world-wide as a result of environmental perturbations including increases in UV -B radiation (due to ozone depletion), global warming and climatic change, habitat loss and destruction, and acidification caused by acid rain. Light pollution may also contribute to global decline of amphibians, because many amphibians are nocturnally active or have biological rhythms regulated by light. This paper will summarize methods of conducting research designed to determine the impact of light pollution on amphibians, including laboratory experiments, field experiments, and natural (observational) studies.
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