Given the marked variation in abiotic and biotic conditions between day and night, many
species specialise their physical activity to being diurnal or nocturnal, and it was long …

In 1942, Walls described the concept of a 'nocturnal bottleneck'in placental mammals, where
these species could survive only by avoiding daytime activity during times in which …

Twilight is characterised by changes in both quantity (“irradiance”) and quality (“colour”) of
light. Animals use the variation in irradiance to adjust their internal circadian clocks, aligning …

Study objectives To determine the effect of light exposure on subsequent sleep
characteristics under ambulatory field conditions. Methods Twenty healthy participants were …

Most processes within organisms, and most interactions between organisms and their
environment, have distinct time profiles. The temporal coordination of such processes is …

In the face of climate change, the life history traits of large terrestrial mammals will prevent
them from adapting genetically at a sufficient pace to keep track with changing …

Considerable research is aimed at developing predictions of ecosystem responses to
climate change, focusing on the spatial scale, such as range shifts and contractions, as well …

Many ecosystems worldwide are exposed to artificial light at night (ALAN), from streetlights
and other sources, and a wide range of organisms has been shown to respond to this …

An animal's daily use of time (their “diel activity”) reflects their adaptations, requirements,
and interactions, yet we know little about the underlying processes governing diel activity …

The existence of a synthetic program of research on what was then termed the “nocturnal
problem” and that we might now call “nighttime ecology” was declared more than 70 years …