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- Neves, M.O.; Figueiredo, V.R.; Abreu, M.M.
- The Science of the total environment 2012 v.416 pp. 156-163
- agricultural soils; foods; Solanum tuberosum; tubers; potatoes; field experimentation; polluted soils; risk; uranium; stems; risk analysis; human health; leaves; water pollution; water quality; aerial parts; irrigation water; salinity; cropping systems; villages; mining; pulp; Portugal
- ... Knowledge about metals in crops, grown in contaminated soils around mine sites, is limited and concerns about exposure to hazardous elements through the consumption of contaminated foodstuff, are high. In this study a field experiment was carried out in two agricultural soils located near a former uranium mine area (Cunha Baixa, Portugal). The purpose of the study was to assess the effect of irrig ...
- Northam, Weston T.; Allison, Lizabeth A.; Cristol, Daniel A.
- The Science of the total environment 2012 v.416 pp. 225-231
- DNA primers; Ephemeroptera; Lycosidae; alluvial soils; annuals; aquatic insects; bioaccumulation; diet; ecosystems; electrophoresis; food webs; ingestion; mercury; mitochondrial DNA; nesting; polymerase chain reaction; predation; predators; riparian forests; rivers; sediments; songbirds; Virginia
- ... Bioaccumulation of contaminants can occur across ecosystem boundaries via transport by emergent aquatic insects. In the South River, Virginia, USA, aquatic mercury has contaminated songbirds nesting in adjacent riparian forests. Spiders contribute the majority of mercury to these songbirds’ diets. We tested the hypothesis that massive annual mayfly emergences provide a vector for mercury from rive ...