K. Wendt-Potthoff

Publications70
h-index21
Citations1,425
Highly Influential Citations84
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Occurrence and role of algae and fungi in acid mine drainage environment with special reference to metals and sulfate immobilization.
Passive remediation of Acid Mine Drainage (AMD) is a popular technology under development in current research. Roles of algae and fungi, the natural residents of AMD and its attenuator are not… Expand
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Understanding biogeochemical gradients of sulfur, iron and carbon in an oil sands tailings pond
Abstract Oil sands tailings ponds in Alberta (Canada) are strongly stratified ecosystems structured in an upper water layer and underlying mud layers that harbour a diversity of microorganisms,… Expand
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Microbial Fe(III) Reduction in Acidic Mining Lake Sediments after Addition of an Organic Substrate and Lime
To elucidate the role of Fe(III) reduction in mining lake sediments amended with organic substrates, we performed a large (10 m diameter) enclosure experiment in which sediments were amended with… Expand
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A pilot-scale field experiment for the microbial neutralization of a holomictic acidic pit lake
Abstract A strategy to neutralize acidic pit lakes was tested in an upscaling process using field mesocosms of 26 to ca. 4500 m3 volume in the acidic pit Mining Lake 111 in Germany. After addition of… Expand
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Microbial cycling of iron and sulfur in sediments of acidic and pH-neutral mining lakes in Lusatia (Brandenburg, Germany)
A vast number of lakes developed in the abandoned opencast lignite mines of Lusatia (East Germany) contain acidic waters (<pH 3) with high concentrations of dissolved iron and sulfate. The… Expand
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Vertical and annual distribution of ferric and ferrous iron in acidic mining lakes
The investigated coal mining lakes (ML 111, ML 117, and ML 107) in the Lusatian lignite mining district are extremely acidic. The concentrations of iron in these geogenic acidified lakes are orders… Expand
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Microbial activity and biogeochemical cycling in a nutrient-rich meromictic acid pit lake
Microbial activity, abundance and biomass, and biogeochemical cycling of iron, sulphur and carbon were studied in the extremely acidic (pH 2.5–4.3), meromictic, nutrient-rich pit lake Cueva de la… Expand
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Microbial sulfate reduction at low pH in sediments of an acidic lake in Argentina.
We measured sulfate reduction in the acidic (pH < or = 3) sediment of an Argentinean lake influenced by volcanism. Sulfate reduction rates of 2.04 mmol m(-2) d(-1) were determined with a 35SO4(2-)… Expand
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Processes at the sediment water interface after addition of organic matter and lime to an Acid Mine Pit Lake mesocosm.
A strategy to neutralize acidic pit lakes was tested in a field mesocosm of 4500 m(3) volume in the Acidic Pit Mine Lake 111 in Germany. Carbokalk, a byproduct from sugar production, and wheat straw… Expand
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Functional Groups and Activities of Bacteria in a Highly Acidic Volcanic Mountain Stream and Lake in Patagonia, Argentina
Acidic volcanic waters are naturally occurring extreme habitats that are subject of worldwide geochemical research but have been little investigated with respect to their biology. To fill this gap,… Expand
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