Historical Review of Simultaneously Extracted Metal Copper Sediment Concentrations in Agricultural and Non-Agricultural Areas

Lenwood W. Hall and Ronald D. Anderson
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Lenwood W. Hall: Wye Research and Education Center, Agricultural Experiment Station, College of Agriculture and Natural Resources, University of Maryland, Queenstown, MD 21658, USA
Ronald D. Anderson: Wye Research and Education Center, Agricultural Experiment Station, College of Agriculture and Natural Resources, University of Maryland, Queenstown, MD 21658, USA

Agriculture, 2022, vol. 12, issue 5, 1-14

Abstract: The objectives of this study were to: (1) summarize Simultaneously Extracted Metal (SEM) copper sediment concentrations based on a historic review from 54 study areas in 16 different countries with different land use activities and (2) compare SEM copper sediment concentrations from among the four land use categories: all study areas; non-agricultural study areas; agricultural study areas; and reference/control study areas. Based on over 1000 measurements, the mean SEM copper concentrations in non-agricultural area (26.0 μg/g) was higher than the mean concentrations for all sites (20.0 μg/g), agricultural sites (19.8 μg/g), and reference/control sites (3.87 μg/g). The 90th centile for non-agricultural sites (89.0 μg/g) was also higher than all sites (61.9 μg/g), agricultural sites (54.8 μg/g), and reference/control sites (17.1 μg/g). The maximum SEM copper concentration for the non-agricultural sites (902 μg/g) was approximately an order of magnitude higher than the maximum value for the agricultural sites (96.6 μg/g). The various potential sources of SEM copper may be responsible for the higher concentrations in non-agricultural areas, as the primary single anthropogenic source for copper in agricultural areas is likely copper use as a plant protection product (PPP). Future research efforts are recommended to expand the spatial and temporal scale of SEM copper sediment data, address actual SEM copper ecological risk to resident benthic communities with multiple stressor field studies, and compile a historical review of acid volatile sulfide (AVS) data used to determine bioavailable concentrations of SEM copper.

Keywords: simultaneously extract metal copper; land use; acid volatile sulfides; sediment (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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