title: Erratum to: Performance and bacterial communities of successive alkalinity-producing systems (SAPSs) in passive treatment processes treating mine drainages differing in acidity and metal levels.
authors.affiliation: School of Civil and Environmental Engineering, Yonsei University, Seoul, South Korea, sokheejung@gmail.com.
authors.forename: Sokhee Philemon
authors.initials: SP
authors.lastname: Jung
authors.forename: Youngwook
authors.initials: Y
authors.lastname: Cheong
authors.forename: Giljae
authors.initials: G
authors.lastname: Yim
authors.forename: Sangwoo
authors.initials: S
authors.lastname: Ji
authors.forename: Hojeong
authors.initials: H
authors.lastname: Kang