radioactively labelled unicellular algae were used in the following study:
Hawkins and Klumpp (1995) The nutrition of Tridacna ...
J. Exp. Mar. Biol. Ecol. 190, 263-290
(but the method is not described in great detail).
Peter
Peter Wirtz, Madeira
<biomar at dragoeiro.uma.pt>
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