a 24-hour period, in relation to animal behaviour patterns
diel in American English
(ˈdaiəl, ˈdi-)
adjective
Biology
of or pertaining to a 24-hour period, esp. a regular daily cycle, as of the physiology or behavior of an organism
Word origin
[1930–35; appar. ‹ L di(ēs) day + -al1, sp. with e to avoid identity with dial]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: cloverleaf, hypercorrection, kickback, old school tie, uncertainty principle
Examples of 'diel' in a sentence
diel
The video profiles revealed a pronounced diel vertical migration at one of the locations.
Matilda Haraldsson, Ulf Båmstedt, Peter Tiselius, Josefin Titelman, Dag L. Aksnes 2014, 'Evidence of Diel Vertical Migration in Mnemiopsis leidyi', PLoS ONE10.1371/journal.pone.0086595. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Notorynchus cepedianus displayed distinct diel differences in activity patterns.
Adam Barnett, Kátya G. Abrantes, John D. Stevens, Barry D. Bruce, Jayson M. Semmens 2010, 'Fine-Scale Movements of the Broadnose Sevengill Shark and Its Main Prey, the GummyShark', PLoS ONE10.1371/journal.pone.0015464. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Body temperatures and diel pattern were similar for both species.
Cruz, Félix B., Kozykariaski, Mónica, Perotti, María G., Pueta, Mariana, Moreno, Liliana 2004, 'Variación diaria de la temperatura corporal en dos especies de lagartos nocturnos(Squamata, Gekkonidae, Homonota) con comentarios sobre el uso de refugios', Cuadernos de Herpetologíahttp://www.aha.org.ar/es/cuadherpetol/variacion-diaria-de-la-temperatura-corporal-en-dos-especies-de-lagartos-nocturnos-squamata-gekkonidae-homonota-con-comentarios-sobre-el-uso-de-refugios.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the diel cycles differed in detail among the various simulations.
A. A. P. Pszenny, A. A. P. Pszenny, J. Moldanová, J. Moldanová, W. C. Keene, R. Sander,J. R. Maben, M. Martinez, P. J. Crutzen, P. J. Crutzen, D. Perner, R. G. Prinn 2004, 'Halogen cycling and aerosol pH in the Hawaiian marine boundary layer', Atmospheric Chemistry and Physicshttp://www.atmos-chem-phys.net/4/147/2004/acp-4-147-2004.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Cyanobacteria exhibit biological rhythms as an adaptation to the daily light-dark (diel) cycle.
Tianchi eNi, Qinglu eZeng 2016, 'Diel infection of cyanobacteria by cyanophages', Frontiers in Marine Sciencehttp://journal.frontiersin.org/Journal/10.3389/fmars.2015.00123/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We also assessed the variations of diet composition and feeding activity along the diel cycle.
Natália Carniatto, Rosemara Fugi, Geuza Cantanhêde, Éder André Gubiani, Norma SegattiHahn 2012, 'Effects of flooding regime and diel cycle on diet of a small sized fish associatedto macrophytes Efeitos do regime hidrológico e do ciclo diário na dieta de uma espéciede pequeno porte associada à macrófitas', Acta Limnologica Brasiliensiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2012000400004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Rig showed strong diel movements during summer, although the diel pattern weakened in autumn.
Malcolm P Francis 2013, 'Temporal and spatial patterns of habitat use by juveniles of a small coastal shark(Mustelus lenticulatus) in an estuarine nursery.', PLoS ONEhttp://europepmc.org/articles/PMC3577781?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
12% of all genes showed clear-cut diel rhythms of expression.
Maciej Jończyk, Alicja Sobkowiak, Paweł Siedlecki, Przemysław Biecek, Joanna Trzcinska-Danielewicz,Jerzy Tiuryn, Jan Fronk, Paweł Sowiński 2011, 'Rhythmic diel pattern of gene expression in juvenile maize leaf.', PLoS ONEhttp://europepmc.org/articles/PMC3157397?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Polyp contraction frequency, one component of behavior, exhibited a clear diel rhythm.
Hiroyuki J. Kanaya, Yoshitaka Kobayakawa, Taichi Q. Itoh 2019, 'Hydra vulgaris exhibits day-night variation in behavior and gene expression levels',Zoological Lettershttp://link.springer.com/article/10.1186/s40851-019-0127-1. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our null hypothesis was that there would be no evidence of diel vertical migration.
Harald Gjøsæter, Peter H. Wiebe, Tor Knutsen, Randi B. Ingvaldsen 2017, 'Evidence of Diel Vertical Migration of Mesopelagic Sound-Scattering Organisms in theArctic', Frontiers in Marine Sciencehttp://journal.frontiersin.org/article/10.3389/fmars.2017.00332/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)