Arid
DOI10.1890/12-2007.1
Bright lights, big city: influences of ecological light pollution on reciprocal stream-riparian invertebrate fluxes
Meyer, Lars A.; Sullivan, S. Mazeika P.
通讯作者Meyer, Lars A.
来源期刊ECOLOGICAL APPLICATIONS
ISSN1051-0761
出版年2013
卷号23期号:6页码:1322-1330
英文摘要

Cities produce considerable ecological light pollution (ELP), yet the effects of artificial night lighting on biological communities and ecosystem function have not been fully explored. From June 2010 to June 2011, we surveyed aquatic emergent insects, riparian arthropods entering the water, and riparian spiders of the family Tetragnathidae at nine stream reaches representing common ambient ELP levels of Columbus, Ohio, USA, streams (low, 0.1-0.5 lux; moderate, 0.6-2.0 lux; high, 2.1-4.0 lux). In August 2011, we experimentally increased light levels at the low- and moderate-treatment reaches to 10-12 lux to represent urban streams exposed to extremely high levels of ELP. Although season exerted the dominant influence on invertebrate fluxes over the course of the year, when analyzed by season, we found that light strongly influenced multiple invertebrate responses. The experimental light addition resulted in a 44% decrease in tetragnathid spider density (P = 0.035), decreases of 16% in family richness (P = 0.040) and 76% in mean body size (P = 0.022) of aquatic emergent insects, and a 309% increase in mean body size of terrestrial arthropods (P = 0.015). Our results provide evidence that artificial light sources can alter community structure and ecosystem function in streams via changes in reciprocal aquatic-terrestrial fluxes of invertebrates.


英文关键词ecological light pollution ecosystem function stream-riparian invertebrate fluxes tetragnathid spiders urban streams
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000323935700008
WOS关键词AQUATIC INSECTS ; POLARIZED-LIGHT ; PREY SUBSIDIES ; RAINBOW-TROUT ; DESERT STREAM ; FOOD WEBS ; TERRESTRIAL ; SPIDERS ; SIZE ; COMMUNITIES
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176692
作者单位Ohio State Univ, Sch Environm & Nat Resources, Columbus, OH 43210 USA
推荐引用方式
GB/T 7714
Meyer, Lars A.,Sullivan, S. Mazeika P.. Bright lights, big city: influences of ecological light pollution on reciprocal stream-riparian invertebrate fluxes[J],2013,23(6):1322-1330.
APA Meyer, Lars A.,&Sullivan, S. Mazeika P..(2013).Bright lights, big city: influences of ecological light pollution on reciprocal stream-riparian invertebrate fluxes.ECOLOGICAL APPLICATIONS,23(6),1322-1330.
MLA Meyer, Lars A.,et al."Bright lights, big city: influences of ecological light pollution on reciprocal stream-riparian invertebrate fluxes".ECOLOGICAL APPLICATIONS 23.6(2013):1322-1330.
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