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Research Document 1997/13

Overview of 1996 hydrographic sampling effort and near-bottom water temperature and salinity conditions during the Canadian spring research vessel groundfish surveys conducted on the Scotian Shelf and in the Bay of Fundy (4VWX)

By F. Page, R. Losier, J. McRuer

Abstract

Hydrographic sampling effort and near-bottom water temperatures and salinities from the 1970-96 Canadian research vessel summer groundfish, stratified random, bottom-trawl surveys are summarised. The surveys cover NAFO divisions 4VWX. In 1996, samples within several strata were restricted to narrower depth ranges than in the past and, in three strata, samples were taken 2-3 weeks later than in the past. The temperatures and salinities sampled in 1996 continued to be below normal, but not at historical lows. The largest deviations continue to be on the eastern Scotian Shelf.

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