Seafloor flora, fauna, and texture in photographs from CCGS J.L. Hart survey 2004010 in the Strait of Canso, offshore Nova Scotia / V.E. Kostylev, D.R. Parrott, and S. Rumbolt. : M183-2/9211E-PDF

"Southeast of the Canso Causeway, seafloor photographs and samples confirm that much of the seafloor is covered by a thin veneer of fine sediments with a dense population of the deposit-feeding brittle star Ophiura sarsi. Sea anemone Hormathia nodosa, which generally anchor on a hard substrate, are visible in many images, indicating the presence of coarser material under the fine surface veneer. Richness of benthic epifauna varies with the substrate type and increases with distance from the causeway. The higher accumulation of deposit feeders, seaweed debris and detritus on the surface of seabed in the inner part of the strait, indicates that the strait is effectively capturing and accumulating organic material"--Executive Summary, page 1.

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