This monograph written by specialists in the respective fields provides a balanced and up-to-date treatment of important aspects of biological rhythmicity.

Clocks, Genes and Evolution: The Evolution of Circadian Organization / Circadian Frequency and its Variability / Period Doubling of Rhythmic Water Regulation in Plants / The Genetics and Molecular Biology of Circadian Clocks / The Circadian Systems of Cells / Retinal Circadian Rhythms / Ultradian Rhythmicity / Perception of Natural Zeitgeber Signals / Photoreceptors for the Circadian Clock of the Fruitfly / Photoentrainment of Vertebrate Circadian Rhythms / Circadian Organization in Fish and Amphibians/ The Circadian Organization of Reptiles / Avian Circadian Systems / Neurochemical Aspects of the Entrainment of the Mammalian Suprachiasmatic Pacemaker / Biological Rhythms in Arctic Animals / Photoperiodism in Plants / Photoperiodism in Birds and Mammals / Diversity in the Circadian Response to Melatonin in Mammals / Peripheral Clocks / Spectral Sensitivity of the Circadian System

Postgraduate and Doctoral students, teachers and researchers