PMID: 15346774Sep 7, 2004Paper

Assessment of the pollution status of alluvial plains: a case study for the dredged sediment-derived soils along the Leie River

Archives of Environmental Contamination and Toxicology
Bart VandecasteeleFilip M G Tack

Abstract

The concept of an integrated multifunctional river management is gaining importance. For major rivers, restoring the contact between rivers and alluvial plains is an important goal, as riparian areas have a specific role for several riverine processes. However, former and current human activities are an obstruction or a limitation for river restoration. We studied the influence of former dredging activities along the river Leie on the alluvial plain quality. A soil survey and an archive query for reconstructing the history of dredging operations were conducted simultaneously. The geographical impact expressed as topographical changes and covering of the original soil profile and related processes and biota was large. The pollution status of dredged sediment-derived soils was found to be far from negligible: concentrations of Cd, Cr, and Zn were, in 10% of the cases, higher than 20, 480, and 2800 mg kg(-1) DM, respectively. Both agriculture and nature rehabilitation on dredged sediment-derived soils can only be accepted after profound risk assessment, and management should focus on ecological risk reduction. Results indicate the importance of soil quality assessment in alluvial plains for an integrated river management, rather t...Continue Reading

Citations

Oct 23, 2013·Ecotoxicology and Environmental Safety·Wenzhong TangJingguo Cui
Jul 23, 2008·The Science of the Total Environment·Filip M G Tack, Bart Vandecasteele
Nov 17, 2009·Environmental Pollution·M SpeelmansC R Janssen
Nov 24, 2017·Environmental Science and Pollution Research International·Bixi GuoChaoliu Li

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