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Research Document 1997/82

Zooplankton Changes Along the Halifax and Louisbourg Transects in 1996

By D. Sameoto, M. K. Kennedy, and N. Cochrane

Abstract

Zooplankton data from the Continuous Plankton Recorder, vertically-towed nets, and high frequency acoustics all indicate that the levels of mesozooplankton (>200 m) and macrozooplankton (>1 cm) on the eastern region of the Nova Scotia Shelf are lower than the levels found on the Halifax transect and possibly the entire western region of the shelf. There may be a link between the colder bottom temperature on the eastern region and the lower biomass values found in the area compared to the western region with warmer bottom temperatures and a higher biomass.

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