Street lighting has detrimental impacts on local insect populations.
Street lighting has detrimental impacts on local insect populations.
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DOI：
10.1126/sciadv.abi8322
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发表时间：
2021-08
期刊：
影响因子：
13.6
通讯作者：
Pocock MJO
中科院分区：
文献类型：
--
作者：
Boyes DH;Evans DM;Fox R;Parsons MS;Pocock MJO
直接证据表明，夜间的人造光减少了毛毛虫的数量，扰乱了幼虫的行为和发育。据报道，昆虫数量的下降引起了全球的关注，夜间人造光（ALAN）被认为是一个潜在的促成因素。尽管有强有力的证据表明光照会扰乱昆虫的一系列行为，但ALAN减少野生昆虫数量的经验证据是有限的。使用配对设计，我们发现与未照明的地点相比，街道照明大大减少了蛾毛虫的丰度（树篱减少47%，草缘减少33%），并影响了毛虫的发育。在没有光照的栖息地进行的另一项实验显示，ALAN干扰了夜间活动的毛毛虫的进食行为。与传统的黄色钠灯相比，白色发光二极管（LED）路灯的负面影响更为明显。这表明ALAN和正在进行的向白光led（即，窄光谱到广谱照明）的转变将对昆虫种群和生态系统过程产生重大影响。
Direct evidence shows that artificial light at night reduces caterpillar abundance and disrupts larval behavior and development. Reported declines in insect populations have sparked global concern, with artificial light at night (ALAN) identified as a potential contributing factor. Despite strong evidence that lighting disrupts a range of insect behaviors, the empirical evidence that ALAN diminishes wild insect abundance is limited. Using a matched-pairs design, we found that street lighting strongly reduced moth caterpillar abundance compared with unlit sites (47% reduction in hedgerows and 33% reduction in grass margins) and affected caterpillar development. A separate experiment in habitats with no history of lighting revealed that ALAN disrupted the feeding behavior of nocturnal caterpillars. Negative impacts were more pronounced under white light-emitting diode (LED) street lights compared to conventional yellow sodium lamps. This indicates that ALAN and the ongoing shift toward white LEDs (i.e., narrow- to broad-spectrum lighting) will have substantial consequences for insect populations and ecosystem processes.
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