Aeroecology of a solar eclipse

Aeroecology of a solar eclipse
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日食的航空生态学

DOI:
10.1098/rsbl.2018.0485
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发表时间:
2018
期刊:
影响因子:
3.3
通讯作者:
Farnsworth, Andrew
Farnsworth, Andrew
中科院分区:
生物学2区
文献类型:
--
作者:
Nilsson, Cecilia;Horton, Kyle G.;Dokter, Adriaan M.;Van Doren, Benjamin M.;Farnsworth, Andrew

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光信号引起几乎所有生命形式的强烈反应,也许最显着的是白天和黑暗时期所产生的昼夜节律。非典型的黑暗时期,如日食,为研究生物对光信号的反应提供了难得的机会。通过使用大陆级雷达网络,我们研究了飞行动物对 2017 年 8 月 21 日日全食的反应。我们量化了美国大陆 143 个气象雷达站大气中生物目标的数量,以调查非典型时间光线和温度的下降是否会引发像日落时观察到的反应,而此时大气中的活动通常会增加。总体而言,在全食期间,生物活动有所减少,随后一些雷达在全食期间出现了短暂的低空生物活动峰值。这种模式表明,与日食相关的线索不足以引发与日落时发生的夜间活动相当的活动,但足以抑制白天的活动。
Light cues elicit strong responses from nearly all forms of life, perhaps most notably as circadian rhythms entrained by periods of daylight and darkness. Atypical periods of darkness, like solar eclipses, provide rare opportunities to study biological responses to light cues. By using a continental scale radar network, we investigated responses of flying animals to the total solar eclipse of 21 August 2017. We quantified the number of biological targets in the atmosphere at 143 weather radar stations across the continental United States to investigate whether the decrease in light and temperature at an atypical time would initiate a response like that observed at sunset, when activity in the atmosphere usually increases. Overall, biological activity decreased in the period leading to totality, followed by a short low-altitude spike of biological activity during totality in some radars. This pattern suggests that cues associated with the eclipse were insufficient to initiate nocturnal activity comparable to that occurring at sunset but sufficient to suppress diurnal activity.
加拉帕戈斯平塔岛日全食期间珊瑚礁鱼类的行为
DOI: --
发表时间: 1998
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