Organizers Jorge Gutiérrez - GrIETA & CONICET, Mar del Plata, Argentina - Cary Institute, Millbrook, NY, USA. Gabriela Palomo - GrIETA, Mar del Plata; Museo Argentino de Ciencias Naturales & CONICET, Buenos Aires, Argentina. Pablo Ribeiro - GrIETA, CONICET & Universidad Nacional de Mar del Plata, Mar del Plata, Argentina. Scientific Advisory Committee David Aldridge - Aquatic Ecology Group, Department of Zoology, University of Cambridge, UK. Jeb Byers - Odum School of Ecology, University of Georgia, Athens, GA, USA. Ariel Farías - Pontificia Universidad Católica de Chile, Santiago, Chile. Sally Hacker - Department of Zoology, Oregon State University, Corvallis, OR, USA. Fabián Menalled - Department of Land Resources and Environmental Sciences, Montana State University, MT, USA. Hugh MacIsaac - University of Windsor, ON, Canada. Jonathan Jeschke - Ludwig-Maximilians-Universität München, Munich, Germany. Pablo Penchaszadeh - Museo Argentino de Ciencias Naturales, Buenos Aires, Argentina. Ronaldo Sousa - Universidade do Minho, Braga; CIIMAR, Porto, Portugal. Andrew Suarez - School of Integrative Biology, University of Illinois, Urbana-Champaign, IL, USA. Diego Vázquez - IADIZA, CONICET & Universidad Nacional del Cuyo, Mendoza, Argentina.