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The Light-dependent Magnetic Compass

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 465-478
Publikation/Tidskrift/Serie: Photobiology – The Science of Light and Life
Dokumenttyp: Del av eller Kapitel i bok
Förlag: Springer

Sammanfattning

Animals can detect different parameters of the geomagnetic field by two principal independent magnetoreception mechanisms: (1) a light-dependent process detecting the axial course and the inclination angle of the geomagnetic field lines, providing the animals with magnetic compass information (inclination compass), and (2) a magnetite-mediated process, providing magnetic map information (map sense). In vertebrates like birds and newts, light-dependent magnetic compass orientation depends on both wavelength and intensity of light, and experimental evidence suggests that magnetic compass information is perceived by magneto-sensitive photoreceptors, possibly containing cryptochromes, in the retina or the pineal.

Disputation

Nyckelord

  • Biology and Life Sciences

Övriga

Published
  • ISBN: 978-0-387-72654-0

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