Feeding mechanism of the polychaete Sabellaria alveolata revisited: reply to Riisgård aamp;amp;amp;amp;amp;amp;amp; Nielsen (2006)

作者: S Dubois , L Barillé , B Cognie , P Beninger

DOI: 10.3354/MEPS328307

关键词: Clearance rateSuspended particlesAAMPSabellaria alveolataVideo endoscopyParticle processingAnatomyPolychaeteCell biologyBiology

摘要: The high-speed videos provided by Riisgard & Nielsen (2006; this volume) allow new insights into Sabellaria alveolata feeding processes, but the interpretation of these video observations is compromised both artifacts sample preparation and premature dismissal our findings in Dubois et al. (2005; Mar Ecol Prog Ser 301:159-171). S. appears clearly to be an active suspension-feeder, while not using grouped lateral cilia catch particles directly from water col- umn, frontal modify current patterns around tentacular filaments entrain suspended particles. Evidence inter-tentacle variability particle processing bi-directional transport make calculation clearance rate based on ciliary band inappropriate overestimating actual alveolata.

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