The scientific cruise CALADU 2019 (dx.doi.org/10.17600/18000929), with the HROV Ariane, onboard the research vessel L'Europe, took place in the Mediterranean Sea, off the coast of the Occitannie Region, in the Lacaze-Duthiers canyon. The CALADU expedition had the objective of collecting data, images and samples from cold-water corals in the Lacaze-Duthiers canyon. Acoustic multibeam data were collected in order to draw a high resolution bathymetric map of the western flank of the canyon. Photos

more »

... and videos will be used to measure the surface covered by this ecosystem and calculate several metrics using 3D optical mapping. Multiple image frames will be used to build geo-referenced and scaled 3D models of seafloor scenes. Some colonies were also collected for the connectivity work package of the H2020-Atlas european project, for the assessment of Mediterranean-Atlantic genetic connectivity http://www.eu-atlas.org/. Assessment: few data collected due to bad weather.