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First published online October 19, 2007
Journal of Experimental Biology 210, 3728-3735 (2007)
Published by The Company of Biologists 2007
doi: 10.1242/jeb.003251
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Light scattering by selected zooplankton from the Gulf of Aqaba

Y. L. Gagnon*, N. Shashar, E. J. Warrant and S. J. Johnsen

Cell and Organism Biology, Zoology Building, Helgonavagen 3, Lund 223 62, Sweden


Figure 1
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  		Fig. 1. The apparatus used to measure backscattering, side scattering and transmittance.

 

Figure 2
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  		Fig. 2. Averaged transmittances for all the sampled animals. A, Artemia salina; B, E. diomedeae; C, Gammaridae sp.; D, Gnathia sp.; E, A. blossevillei; F, P. karachiensis; G, Rhincalanus sp.; H, S. elegans; I, Sapphirina sp.; J, tornaria larva (Enteropneusta). Note that the transmittance axis is logarithmic.

 

Figure 3
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  		Fig. 3. Relative scattering radiance for (A) 30°, (B) 90°, (C) 150° and (D) 180° (backscattering), for A. salina, S. elegans and A. blossevillei. Dotted lines denote + s.d. Note that radiance axes are logarithmic.

 

Figure 4
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  		Fig. 4. Sighting distances (m) in all species as a function of wavelength (nm) and depth (m). The sighting distance is color coded in the figures from long distances as red to short distances as blue (see color bar). The following viewing angles (from top to bottom) are displayed: from directly above (180°), diagonally above (150°), horizontal (90°), diagonally below (30°) and directly below (0°).

 




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