Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
139 (1937), S. 414-414
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IT has recently been shown by Marshall and Bowden1 that not only duration but also intensity of illumination can affect the onset of a breeding season, and that ultra-violet as well as visible light is effective. These discoveries have an important bearing on seasonal phenomena ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/139414a0
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