Edges and interfaces in the deep sea:
"Hot spots" for zooplankton
Karen Wishner, Ph.D.
University of Rhode Island
Monday, September 21, 1998
3:00 p.m.Pacific Forum
Water column interfaces in the deep sea appear to be sites of relatively high
zooplankton abundances and activity. For example, enhanced deep-sea zooplankton biomasses
or rates have been documented in the benthic boundary layer, within the water column where
water masses meet, and at the upper and lower boundaries of the oxygen minimum zone. It is
possible that the effects of the deep-sea zooplankton on such processes as carbon cycling
and particle modification are in fact concentrated within the relatively narrow depth
ranges of these interfaces. Future work on the pelagic deep-sea ecosystem would benefit by
targeting these zones for multidisciplinary studies.
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Last updated: December 19, 2000