Elsevier Editorial System(tm) for Ocean & Coastal Management Manuscript Draft Manuscript Number: OCMA-D-12-00211R2 Title: Interactions between climatic variables and human pressures upon a macroalgae population: implications for management Article Type: Research Paper Keywords: Gelidium corneum; sunlight; waves; environmental factors; climate change; human impacts; Basque Country Corresponding Author: Dr. Angel Borja, PhD Corresponding Author's Institution: AZTI-Tecnalia First Author: Angel Borja, PhD Order of Authors: Angel Borja, PhD; Almudena Fontán; Iñigo Muxika