In situ filtering and ingestion rates of deep-sea benthic boundary-layer zooplankton in the Santa Catalina Basin

In situ rates of filtration, particulate ingestion, and carbon ingestion of deep-sea benthic boundary-layer zooplankton were determined in December 1984 in the Santa Catalina Basin, at 1300 m depth in the California Borderland, by a short-term radioisotope-incorporation technique. In the Santa Catal...

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Bibliographic Details
Published in:Marine biology 1987-04, Vol.94 (3), p.357-366
Main Authors: WISHNER, K. F, GOWING, M. M
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
General aspects and techniques. Study of several systematic groups. Models
Invertebrates
Marine
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Summary:In situ rates of filtration, particulate ingestion, and carbon ingestion of deep-sea benthic boundary-layer zooplankton were determined in December 1984 in the Santa Catalina Basin, at 1300 m depth in the California Borderland, by a short-term radioisotope-incorporation technique. In the Santa Catalina Basin, rates from experiments at 1 m above the bottom in more turbid water were not significantly different from those at 50 m above the bottom in clearer water. These deep-sea benthic boundary-layer zooplankton may have the potential to respond to food pulses, and their relatively high ingestion rates suggest that they could have significant effects on particulate, chemical, and bacterial processes in the near-bottom water column.
ISSN:0025-3162
1432-1793
DOI:10.1007/BF00428241