Daytime light intensity affects seasonal timing via changes in the nocturnal melatonin levels

@article{Kumar2007DaytimeLI,
  title={Daytime light intensity affects seasonal timing via changes in the nocturnal melatonin levels},
  author={Vinod Kumar and Sangeeta Rani and Shalie Malik and Amit Kumar Trivedi and Ingrid Schwabl and Barbara Helm and Eberhard Gwinner},
  journal={Naturwissenschaften},
  year={2007},
  volume={94},
  pages={693-696}
}
Daytime light intensity can affect the photoperiodic regulation of the reproductive cycle in birds. The actual way by which light intensity information is transduced is, however, unknown. We postulate that transduction of the light intensity information is mediated by changes in the pattern of melatonin secretion. This study, therefore, investigated the effects of high and low daytime light intensities on the daily melatonin rhythm of Afro-tropical stonechats (Saxicola torquata axillaris) in… CONTINUE READING
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