Cold-Water Corals and Anthropogenic Impacts in La Fonera Submarine Canyon Head, Northwestern Mediterranean Sea
Fig 5
Substrate types in the study area.
A: Substrate types observed along ROV dives: muddy bottom, sandy bottom and hard substrate. See text for clarification of this classification. Locations of ROV images in this figure (B to G) as well as in S1 and S2 Figs are provided. B: Rock outcrops on the western wall of Cap de Begur branch (134 mwd, upper wall) with a variety of organisms. C: Rock outcrops with overhangs and caves on the western wall of Cap de Begur branch (290 mwd, near-vertical wall), with small M. oculata and C. rubrum colonies. D: Rock blocks covered by a cm-thick mud veneer on a sedimented area at the eastern wall of the canyon close to Sant Sebastià fishing ground (391 mwd, divide). E: Bioclastic sand and fine gravel along the axis of Illa Negra branch (182 mwd, incised canyon). F: Sandy bottom in the western rim of Cap de Begur branch (123 mwd, canyon rim) with polychaete Lanice conchilega. G: Muddy bottom with some L. conchilega specimens along the axis of Cap de Begur branch (297 mwd, incised canyon).