In chronobiology, the circannual cycle is characterized by biological processes and behaviors recurring on an approximate annual basis, spanning a period...

shorter than one year; categorizing rhythms of about a year as circannual rhythms (circannual cycle). Some studies observe an infraradian rhythm with a period...

group Annual, every once in a while Annual Review (disambiguation) Circannual cycle, in biology This disambiguation page lists articles associated with...

pressure regulation, as well as controlling seasonal rhythmicity (circannual cycle), which includes reproduction, fattening, molting, and hibernation...

annual behavioral rhythm and to date remains a classic example of circannual cycles in animals. Adult A. verbasci range in length from 1.7 to 3.5 mm (0...

factors based in time. It can be categorised into Circadian rhythms and Circannual cycles. Examples of these behaviours can be: the relation of daily and seasonal...

rhythms, which are cycles longer than a day. Examples include circannual or annual cycles that govern migration or reproduction cycles in many plants and...

Epub 2018 Apr 27. PMID 29709316. Spindler, R. E.; Wildt, D. E. (1999). "Circannual variations in intraovarian oocyte but not epididymal sperm quality in...

Switching of Calendar Cells in the Pituitary Defines the Phase of the Circannual Cycle in Mammals". Current Biology. 25 (20): 2651–62. Bibcode:2015CBio.....

Psychology. 94: 89–98. doi:10.1037/h0077647. Mrosovsky, N. (1980). "Circannual cycles in golden-mantled ground squirrels: Experiments with food deprivation...

rhythms, which are cycles longer than a day. Examples include circannual or annual cycles that govern migration or reproduction cycles in many plants and...

that, like the 24-hour circadian rhythm, the body also has a yearly "circannual" biological rhythm. Vaiserman et al. have suggested that the climatic...

that can enter torpor rely on biological rhythms such as circadian and circannual rhythms to continue natural functions. Different animals will manage their...

J.; Hut, R. A.; Hazlerigg, D. G. (2006). "Characterizing a mammalian circannual pacemaker". Science. 314 (5807): 1941–4. Bibcode:2006Sci...314.1941L....

spring. In circadian migration, clocks of both circadian (daily) and circannual (annual) patterns are used to determine the birds' orientation in both...

702–708. doi:10.2307/1369752. JSTOR 1369752. Gwinner, Eberhard (1977). "Circannual rhythms in bird migration". Annu. Rev. Ecol. Syst. 8 (1): 381–405. Bibcode:1977AnRES...

with the change of seasons during each year. This pattern is called a circannual rhythm.[unreliable medical source?] Studies of seasonal variations have...

Hirst curated exhibition "In the Darkest Hour There May Be Light (2006). "Circannual Rhythm (pibloktok)", 2003–2005, Three channel video projection with sound...

occur more often around solstices, or seasonal changes, sometimes showing circannual periodicity. Conversely, attack frequency may be highly unpredictable...

shortening of day and falling temperature) has pointed to the role of circannual endogenous programs in controlling bird migrations. Caged birds display...