The Cape Breton trough : a distinctive feature of the western Cape Breton ecologically and biologically significant area (EBSA) of the southern Gulf of St. Lawrence, Canada / by Chantal Coomber, Venitia... : Fs97-4/3213E-PDF

"This document is a compilation of the best available data on the marine environment of the Cape Breton Trough (CBT), a relatively deep channel located along the northwestern shore of Cape Breton Island, Nova Scotia, Canada. It comprises information from a literature review conducted primarily in 2016-2017 on the physical and biological components of the CBT, which is within the Western Cape Breton Ecologically and Biologically Significant Area (EBSA) of the southern Gulf of St. Lawrence (sGSL). Characterized by some of the deepest waters in the sGSL, the CBT is roughly defined by the 100 m isobath. Physical features of the trough, such as depth, water column stratification and upwelling activity provide habitat conditions that are favorable to biological production. As a result, several species inhabit the trough, either permanently or as seasonal occupants, and therefore rely on the ecological integrity of this marine environment. The CBT supports various biological functions, as many species pass through the area to enter/exit the GSL and/or occupy the area to conduct important activities, such as foraging, reproduction and possibly molting. The document is divided into two sections that describe the physical and biological components of the CBT separately"--Abstract, page v.

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publications.gc.ca/pub?id=9.896110&sl=1

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