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Aeroecology of a solar eclipse.
Nilsson, Cecilia; Horton, Kyle G; Dokter, Adriaan M; Van Doren, Benjamin M; Farnsworth, Andrew.
Afiliación
  • Nilsson C; Cornell Laboratory of Ornithology, Cornell University, Ithaca, NY, USA cecilia.nilsson@cornell.edu.
  • Horton KG; Cornell Laboratory of Ornithology, Cornell University, Ithaca, NY, USA.
  • Dokter AM; Cornell Laboratory of Ornithology, Cornell University, Ithaca, NY, USA.
  • Van Doren BM; Edward Grey Institute, Department of Zoology, University of Oxford, Oxford, UK.
  • Farnsworth A; Cornell Laboratory of Ornithology, Cornell University, Ithaca, NY, USA.
Biol Lett ; 14(11)2018 11 14.
Article en En | MEDLINE | ID: mdl-30429244
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.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Luz Solar / Aves / Quirópteros / Oscuridad / Vuelo Animal / Insectos Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Biol Lett Asunto de la revista: BIOLOGIA Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Luz Solar / Aves / Quirópteros / Oscuridad / Vuelo Animal / Insectos Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: Biol Lett Asunto de la revista: BIOLOGIA Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido