A combined constructed wetland formed by a facultative pond (FP), a surface flow wetland (SF) and a subsurface flow wetland (SSF) was studied from December 2004 until September 2005 in north-western Spain in order to evaluate their efficiency in the removal of pathogenic and indicator microorganisms and to determine their relationships. Microbial removal… (More)
Limnology of natural systems for wastewater treatment. Ten years of experiences at the experimental field for low-cost sanitation in Mansilla de las Mulas