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National Oceanography Centre, Southampton
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ISLAND is a research cruise that will address the above issues through the following 3 specific objectives: a) To explore how the NW Sicilian canyons evolved during the Late Quaternary (differences in style, frequencies and intensity of sedimentary flows, possible differences in forcing mechanisms) and to assess which canyon(s) is/are more “active” in the present-day conditions and why. b) To establish whether canyons displaying different morphologies and controlled by different processes may be characterized by differences in the spatial distribution and variability of benthic biomass and biodiversity (are the most active canyons always the most biodiverse?). c) To explore the role of bottom trawling fishery in shaping the morphology and governing the presentday dynamics of submarine canyons and eventually assess its impact in altering canyon biodiversity (is trawling activity affecting the natural canyon seascapes and sedimentary dynamics, inducing a change in biodiversity?).