Abstract:The bioturbation rate of a tube-building maldanid polychaete, Eulymene sp., collected in Koajiro Bay, was measured by a video observation system. The length and volume of fecal pellets, and defecation interval were measured from more than 80 h of video records taken for 17 specimens. Thus, the defecation rate was estimated as 782 mm3 day worm for each individual. From the results of observations and the density of the worms in the field, the bioturbation rates in situ were estimated. At a station in Koajiro Ba… Show more
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