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Light intensity reg...
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Liporoni, RodolfoUniversity of São Paulo
(author)
Light intensity regulates flower visitation in Neotropical nocturnal bees
- Article/chapterEnglish2020
Publisher, publication year, extent ...
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2020-09-18
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Springer Science and Business Media LLC,2020
Numbers
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LIBRIS-ID:oai:lup.lub.lu.se:6cd39086-5e88-4d46-87fc-b86f289ff792
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https://lup.lub.lu.se/record/6cd39086-5e88-4d46-87fc-b86f289ff792URI
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https://doi.org/10.1038/s41598-020-72047-xDOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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The foraging activity of diurnal bees often relies on flower availability, light intensity and temperature. We do not know how nocturnal bees, which fly at night and twilight, cope with these factors, especially as light levels vary considerably from night to day and from night to night due to moon phase and cloud cover. Given that bee apposition compound eyes function at their limits in dim light, we expect a strong dependence of foraging activity on light intensity in nocturnal bees. Besides being limited by minimum light levels to forage, nocturnal bees should also avoid foraging at brighter intensities, which bring increased competition with other bees. We investigated how five factors (light intensity, flower availability, temperature, humidity, and wind) affect flower visitation by Neotropical nocturnal bees in cambuci (Campomanesia phaea, Myrtaceae). We counted visits per minute over 30 nights in 33 cambuci trees. Light intensity was the main variable explaining flower visitation of nocturnal bees, which peaked at intermediate light levels occurring 25 min before sunrise. The minimum light intensity threshold to visit flowers was 0.00024 cd/m2. Our results highlight the dependence of these nocturnal insects on adequate light levels to explore resources.
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Cordeiro, Guaraci DuranUniversity of São Paulo
(author)
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Prado, Paulo InácioUniversity of São Paulo
(author)
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Schlindwein, ClemensFederal University of Minas Gerais
(author)
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Warrant, Eric JamesLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Syngruppen,Forskargrupper vid Lunds universitet,Functional zoology,Department of Biology,Faculty of Science,Lund Vision Group,Lund University Research Groups(Swepub:lu)zool-ewa
(author)
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Alves-dos-Santos, IsabelUniversity of São Paulo
(author)
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University of São PauloFederal University of Minas Gerais
(creator_code:org_t)
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In:Scientific Reports: Springer Science and Business Media LLC10:12045-2322
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