globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0138003
论文题名:
Electrostatic Charge on Flying Hummingbirds and Its Potential Role in Pollination
作者: Marc Badger; Victor Manuel Ortega-Jimenez; Lisa von Rabenau; Ashley Smiley; Robert Dudley
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-9-30
卷: 10, 期:9
语种: 英语
英文关键词: Pollen ; Electrostatics ; Stamens ; Anthers ; Flowers ; Humidity ; Birds ; Wings
英文摘要: Electrostatic phenomena are known to enhance both wind- and insect-mediated pollination, but have not yet been described for nectar-feeding vertebrates. Here we demonstrate that wild Anna's Hummingbirds (Calypte anna) can carry positive charges up to 800 pC while in flight (mean ± s.d.: 66 ± 129 pC). Triboelectric charging obtained by rubbing an isolated hummingbird wing against various plant structures generated charges up to 700 pC. A metal hummingbird model charged to 400 pC induced bending of floral stamens in four plants (Nicotiana, Hemerocallis, Penstemon, and Aloe spp.), and also attracted falling Lycopodium spores at distances of < 2 mm. Electrostatic forces may therefore influence pollen transfer onto nectar-feeding birds.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0138003&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/22154
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Integrative Biology, University of California, Berkeley, California, United States of America;Department of Integrative Biology, University of California, Berkeley, California, United States of America;Department of Mechanical Engineering, University of California, Berkeley, California, United States of America;Department of Biology, University of New Mexico, Albuquerque, New Mexico, United States of America;Department of Integrative Biology, University of California, Berkeley, California, United States of America;Smithsonian Tropical Research Institute, Balboa, Republic of Panama

Recommended Citation:
Marc Badger,Victor Manuel Ortega-Jimenez,Lisa von Rabenau,et al. Electrostatic Charge on Flying Hummingbirds and Its Potential Role in Pollination[J]. PLOS ONE,2015-01-01,10(9)
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