Sean Vitousek, USGS Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, United States, Laura Cagigal Gil, University of Auckland, School of Environment, Auckland, New Zealand, Jennifer Katherine Montaño Muñoz, Universidad Nacional, Antioquia, Medellin, Colombia, Ana Cristina Rueda Zamora, Enviromental Hydraulics Institute of Cantabria, Santander, Spain, Fernando J. Mendez, University of Cantabria, Ciencias y Tecnicas del Agua y del Medio Ambiente, Santander, Spain, Giovanni Coco, University of Cantabria, Santander, Spain and Patrick Barnard, USGS, Santa Cruz, CA, United States