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Do birds in flight respond to(ultra)violet lighting?

Avian Research 2017年第4期8卷 192-201页

作者： Roel May jens astrom Oyvind Hamre Espen Lie Dahl Terrestrial Ecology Department Norwegian Institute for Nature Research(NINA)TrondheimNorway Steinoysund SmolaNorway.

Background: Concerns for bird collisions with wind turbines affect the deployment of onshore and offshore windpower *** avoid delays in consenting processes and to streamline the construction and operation phase,functional mitigation measures are required which efficiently reduces bird *** is the primary sensory system in birds,which for a number of species also includes the ultraviolet *** bird species that are known to collide with offshore wind turbines are sensitive in the violet or ultraviolet *** species that are mainly active at lower ambient light levels,lighting may deter birds from the lit ***(ultra)violet lights may in addition not disturb ***,we do not know whether UV-sensitive birds in flight actually respond behaviourally to UV ***: We therefore tested the efficacy of two types of lights within the violet(400 nm) and ultraviolet(365 nm) spectrum to deter birds from the lit *** lights were placed vertically and monitored continuously between dusk and dawn using an avian radar ***: Relative to control nights,bird flight activity(abundance) was 27% lower when the ultraviolet light was *** light resulted in a 12% decrease in overall abundance,and in addition,a vertical displacement was seen,increasing the average flight altitude by 7 *** temporal changes occurred,this effect persisted over the season below 40 m above sea ***: Although the results from this pilot study are promising,we argue there still is a long way to go before a potentially functional design to mitigate collisions that has proven to be effective in situ may be in place.

关键词： Avian radar Displacement Habituation Mitigation Seabirds Ultraviolet Wind turbine

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