Quantifying the attractiveness of broad-spectrum street lights to aerial nocturnal insects

Quantifying the attractiveness of broad-spectrum street lights to aerial nocturnal insects
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量化广谱路灯对空中夜间昆虫的吸引力

DOI:
10.1111/1365-2664.13004
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发表时间:
2017
影响因子:
5.7
通讯作者:
Wakefield A
Wakefield A
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Wakefield A

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在全球范围内,以长波光为主的钠路灯正在被广谱白光所取代,尤其是发光二极管(led)。这些白光灯通常需要更少的能量来运行,因此被认为是“生态友好型”。然而,很少有人注意到白光对当地野生动物种群的影响。我们使用便携式路灯和定制的飞行拦截陷阱,实验比较了橙色(高压钠,HPS)和白色(金属卤化物,MH和LED)路灯对昆虫的吸引力。与白色(4250 K) LED灯和HPS灯相比,白色MH路灯吸引的昆虫数量明显更多(超过5倍)。对于捕获的大多数类群来说,LED灯和HPS灯吸引的昆虫数量没有统计学差异。然而,稀薄度显示,LED灯比HPS灯捕获的昆虫更多样化。政策的影响。随着目前大规模转向白光发光二极管(LED)照明,我们的研究结果深入了解了路灯技术的变化如何影响野生动物种群和社区。我们建议避免安装金属卤化物灯,因为它们比竞争技术吸引更多的昆虫。我们强调需要定制LED照明,以防止多个昆虫分类群的干扰。
Sodium street lights, dominated by long wavelengths of light, are being replaced by broad‐spectrum, white lights globally, in particular light‐emitting diodes (LEDs). These white lights typically require less energy to operate and are therefore considered “eco‐friendly”. However, little attention has been paid to the impacts white lights may have upon local wildlife populations.We compared insect attraction to orange (high‐pressure sodium, HPS) and white (metal halide, MH and LED) street lights experimentally using portable street lights and custom‐made flight intercept traps.Significantly more (greater than five times as many) insects were attracted to white MH street lights than white (4,250 K) LED and HPS lights. There was no statistical difference in the numbers of insects attracted to LED and HPS lights for most taxa caught. However, rarefaction shows a greater diversity of insects caught at LED than HPS lights.Policy implications. With the current, large‐scale conversion to white light‐emitting diode (LED) lighting, our results give insight into how changes to street light technology may affect wildlife populations and communities. We recommend avoiding metal halide light installations as they attract many more insects than competing technologies. We highlight the need to tailor LED lighting to prevent disturbances across multiple insect taxa.
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