User profiles for David J Walker
David WalkerSenior Lecturer in Computer Science, University of Exeter Verified email at exeter.ac.uk Cited by 558 |
Contrasting effects of manure and compost on soil pH, heavy metal availability and growth of Chenopodium album L. in a soil contaminated by pyritic mine waste
DJ Walker, R Clemente, MP Bernal - Chemosphere, 2004 - Elsevier
Chenopodium album L. was found to be one of the initial plant species colonising a heavy
metal-contaminated site, polluted by pyritic (sulphide-rich) waste from the Aznalcóllar mine …
metal-contaminated site, polluted by pyritic (sulphide-rich) waste from the Aznalcóllar mine …
A plant genetically modified that accumulates Pb is especially promising for phytoremediation
From a number of wild plant species growing on soils highly contaminated by heavy metals
in Eastern Spain, Nicotiana glauca R. Graham (shrub tobacco) was selected for …
in Eastern Spain, Nicotiana glauca R. Graham (shrub tobacco) was selected for …
Potassium homeostasis in vacuolate plant cells.
DJ Walker, RA Leigh, AJ Miller - Proceedings of the …, 1996 - National Acad Sciences
Plant cells contain two major pools of K+, one in the vacuole and one in the cytosol. The
behavior of K+ concentrations in these pools is fundamental to understanding the way this …
behavior of K+ concentrations in these pools is fundamental to understanding the way this …
The effects of soil amendments on heavy metal bioavailability in two contaminated Mediterranean soils
DJ Walker, R Clemente, A Roig, MP Bernal - Environmental Pollution, 2003 - Elsevier
Two heavy metal contaminated calcareous soils from the Mediterranean region of Spain were
studied. One soil, from the province of Murcia, was characterised by very high total levels …
studied. One soil, from the province of Murcia, was characterised by very high total levels …
Single-Cell Measurements of the Contributions of Cytosolic Na+ and K+ to Salt Tolerance
DE Carden, DJ Walker, TJ Flowers, AJ Miller - Plant physiology, 2003 - academic.oup.com
Ion concentrations in the roots of two barley (Hordeum vulgare) varieties that differed in NaCl
tolerance were compared after exposure to NaCl. Triple-barreled H + -, K + -, and Na + -…
tolerance were compared after exposure to NaCl. Triple-barreled H + -, K + -, and Na + -…
The effects of olive mill waste compost and poultry manure on the availability and plant uptake of nutrients in a highly saline soil
DJ Walker, MP Bernal - Bioresource technology, 2008 - Elsevier
The effects of a compost (produced from by-products of the olive oil industry) and a poultry
manure on mineral ion solubility and exchangeability in a highly saline agricultural soil (…
manure on mineral ion solubility and exchangeability in a highly saline agricultural soil (…
Uptake of heavy metals and As by Brassica juncea grown in a contaminated soil in Aznalcóllar (Spain): the effect of soil amendments
R Clemente, DJ Walker, MP Bernal - Environmental pollution, 2005 - Elsevier
Two crops of Brassica juncea (L.) Czern. were grown in a field experiment, at the site affected
by the toxic spillage of acidic, metal-rich waste in Aznalcóllar (Seville, Spain), to study its …
by the toxic spillage of acidic, metal-rich waste in Aznalcóllar (Seville, Spain), to study its …
The reduction of heavy metals in a stormwater wetland
DJ Walker, S Hurl - Ecological Engineering, 2002 - Elsevier
Sedimentation has long been recognised as the principal process in the removal of heavy
metals from stormwater in natural or constructed wetlands. However, there are a range of …
metals from stormwater in natural or constructed wetlands. However, there are a range of …
Heavy metal bioavailability in a soil affected by mineral sulphides contamination following the mine spillage at Aznalcóllar (Spain)
R Clemente, DJ Walker, A Roig, M Pilar Bernal - Biodegradation, 2003 - Springer
A field experiment, lasting 14 months, was carried out in order to assess the effect of organic
amendment and lime addition on the bioavailability of heavy metals in contaminated soils. …
amendment and lime addition on the bioavailability of heavy metals in contaminated soils. …
The use of a halophytic plant species and organic amendments for the remediation of a trace elements-contaminated soil under semi-arid conditions
R Clemente, DJ Walker, T Pardo… - Journal of hazardous …, 2012 - Elsevier
The halophytic shrub Atriplex halimus L. was used in a field phytoremediation experiment in
a semi-arid area highly contaminated by trace elements (As, Cd, Cu, Mn, Pb and Zn) within …
a semi-arid area highly contaminated by trace elements (As, Cd, Cu, Mn, Pb and Zn) within …