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Marine Biology

, Volume 93, Issue 1, pp 13–16 | Cite as

Response to light by trochophore larvae of Spirobranchus giganteus

Effects of level of irradiance, dark adaptation and spectral distribution
  • J. R. Marsden
Article

Abstract

Trochophore larvae of Spirobranchus giganteus (Pallas) respond positively to white light at levels of illumination from 1 to 2 168×1014 quanta cm-2 s-1. In this range the strength of the response is not correlated with irradiance level. The response is increased by dark adaptation. At low levels of irradiance (0.1-2.0×1014 quanta cm-2 s-1) larvae respond positively to blue (360-510 nm, max. 430 nm) and green (475–620 nm, max. 530 nm) light but not to wavelengths of 590 nm or over. The light response develops gradually during the 12 h following the appearance of the eyespot and is maintained throughout the remainder of the planktonic phase.

Keywords

White Light Dark Adaptation Light Response Irradiance Level Planktonic Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • J. R. Marsden
    • 1
    • 2
  1. 1.Department of BiologyMcGill UniversityMontrealCanada
  2. 2.The Bellairs Research InstituteSt. JamesBarbados

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