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Lead (Pb) contamination in soil represents a threat to human health. Phytoextraction has gained attention as a potential alternative to traditional remediation methods because of lower cost and minimal soil disruption. The North American native switchgrass (Panicum virgatum L.) was targeted due to its ability to produce high biomass and grow across a variety of ecozones. In this study switchgrass...
This study examines the interplay between long-term climate changes, compounded natural disturbances and human driven land-use changes on catastrophic soil erosion of the heathland ecosystem of Haukadalsheiði, south Iceland. Soil erosion was catastrophic for three centuries (~1660–1960 AD) and was characterized by almost total loss of vegetation and underlying soil. Soil erosion resulted in a desertified,...
We examined the role ofarbuscular mycorrhizal fungi (AMF) in thebioprotection of the sand dune grass Leymus arenarius against soil fungi andnematodes. Six soil fungi (Fusariumnivale, Fusarium sp., Cladosporiumherbarum, Cladosporium sp., Phomasp., Sporothrix sp.) and four species ofnematodes (Pratylenchoidesmagnicauda, Paratylenchusmicrodorus, Rotylenchus goodeyi, Merlinius joctus) were isolated from...
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