Título: Measuring biological parameters in rivers: relevance of the spatial scale Evento: Invited Conference at the Third International Meeting on Environmental Biotechnology and Engineering (3IMEBE) Fecha: 01/09/2008 Lugar: Palma de Mallorca, ESPANYA Título: Extracellular enzymes in aquatic biofilms: microbial interactions vs water quality effects in the use of organic matter Evento: Invited Conference at the International meeting: Enzymes in the Environment: Activity, Ecology and Applications Fecha: 01/07/2007 Lugar: Viterbo, ITÀLIA Título: Fungal-bacterial interactions during leaf litter decomposition Evento: Talk, Institute of Aquatic Ecology Fecha: 20/01/2005 Lugar: Girona, ESPANYA Título: Structure and metabolism of river biofilm and their implications for organic matter dynamics Evento: Talk at the Evolutionary Biology Center, Limnology Department, Uppsala Fecha: 01/09/2004 Lugar: Uppsala, SUÈCIA Título: Estructura i metabolisme del biofilm fluvial i les seves implicacions en la dinàmica del carboni orgànic dissolt. Els enzims extracel•lulars com a eina metodològica. Evento: Invited conference at the II Jornades d’Avenços en Ecologia (Centre d’Estudis Avançats de Blanes, CEAB, CSIC i Institut d’Estudis Catalans) Fecha: 11/11/2003 Lugar: Blanes, ESPANYA Título: Response of fluvial biofilms to nutrient addition. Evento: Talk, Institute of Aquatic Ecology Fecha: 01/03/2003 Lugar: Girona, ESPANYA Título: Patterns of algal and bacterial colonization during epilithic biofilm formation Evento: Talk, Institute of Aquatic Ecology Fecha: 01/03/2002 Lugar: Girona, ESPANYA Título: Influence of algal biomass on extracellular enzyme activity in river biofilms Evento: Talk at the Limnologische FlussStation des Max-Plank-Instituts für Limnologie Fecha: 01/11/1995 Lugar: Schlitz , ALEMANYA