<http://webisa.webdatacommons.org/prov/92215136> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/358172671> . <http://webisa.webdatacommons.org/358172671> <http://www.w3.org/ns/prov#value> "Metals such as iron and manganese were found in higher concentration in water samples from water column of treated microcosms than in control microcosms (Table 4)." . <http://webisa.webdatacommons.org/prov/17382233> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/358172671> . <http://webisa.webdatacommons.org/358172671> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/358172671> <http://www.w3.org/ns/prov#wasQuotedFrom> <scielo.br> .