1. Department of Ecology and Hydrology Regional Campus of International Excellence ‘Campus Mare Nostrum’ University of Murcia Murcia Spain
2. Department of Wetland Ecology Doñana Biological Station (EBD‐CSIC) Américo Vespucio 26 41092 Seville Spain
3. Departamento de Ecología Facultad de Ciencias Biológicas Pontificia Universidad Católica de Chile Santiago3542000 Chile
4. Catchment Research Group Cardiff University School of Biosciences The Sir Martin Evans Building, Museum Avenue CardiffCF10 3AX UK