W P Norwood

Summary

Affiliation: Environment Canada
Country: Canada

Publications

  1. doi request reprint Decamethylcyclopentasiloxane (D5) spiked sediment: bioaccumulation and toxicity to the benthic invertebrate Hyalella azteca
    W P Norwood
    Aquatic Ecosystems Protection Research Division, Environment Canada, P O Box 5050, Burlington, Ontario, Canada L7R 4A6 Electronic address
    Chemosphere 93:805-12. 2013
  2. doi request reprint An effects addition model based on bioaccumulation of metals from exposure to mixtures of metals can predict chronic mortality in the aquatic invertebrate Hyalella azteca
    Warren P Norwood
    Aquatic Contaminants Research Division, Environment Canada, Burlington, Ontario, Canada
    Environ Toxicol Chem 32:1672-81. 2013
  3. ncbi request reprint Saturation models of arsenic, cobalt, chromium and manganese bioaccumulation by Hyalella azteca
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    Environ Pollut 143:519-28. 2006
  4. ncbi request reprint Chronic toxicity of arsenic, cobalt, chromium and manganese to Hyalella azteca in relation to exposure and bioaccumulation
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    Environ Pollut 147:262-72. 2007
  5. ncbi request reprint Interactive effects of metals in mixtures on bioaccumulation in the amphipod Hyalella azteca
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
    Aquat Toxicol 84:255-67. 2007
  6. ncbi request reprint Re-evaluation of metal bioaccumulation and chronic toxicity in Hyalella azteca using saturation curves and the biotic ligand model
    U Borgmann
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, P O Box 5050, Burlington, Ontario, Canada, L7R 4A6
    Environ Pollut 131:469-84. 2004
  7. ncbi request reprint Metal bioavailability and toxicity through a sediment core
    U Borgmann
    National Water Research Institute, Environment Canada, Burlington, Ontario
    Environ Pollut 116:159-68. 2002
  8. ncbi request reprint Quantification of bioavailable nickel in sediments and toxic thresholds to Hyalella azteca
    U Borgmann
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, PO Box 5050, Burlington, Ontario, Canada L7R 4A6
    Environ Pollut 111:189-98. 2001
  9. ncbi request reprint Reduced metals concentrations of water, sediment and hyalella azteca from lakes in the vicinity of the sudbury metal smelters, Ontario, Canada
    M Shuhaimi-Othman
    School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, National University of Malaysia UKM, Bangi, 43600, Selangor, Malaysia
    Environ Monit Assess 117:27-44. 2006

Detail Information

Publications9

  1. doi request reprint Decamethylcyclopentasiloxane (D5) spiked sediment: bioaccumulation and toxicity to the benthic invertebrate Hyalella azteca
    W P Norwood
    Aquatic Ecosystems Protection Research Division, Environment Canada, P O Box 5050, Burlington, Ontario, Canada L7R 4A6 Electronic address
    Chemosphere 93:805-12. 2013
    ..Normalization of D5 concentrations in the sediments to sand content did normalize the toxicity and LC50 values of 3180 and 3570μg D5g(-1) sand dw were determined to be statistically the same. ..
  2. doi request reprint An effects addition model based on bioaccumulation of metals from exposure to mixtures of metals can predict chronic mortality in the aquatic invertebrate Hyalella azteca
    Warren P Norwood
    Aquatic Contaminants Research Division, Environment Canada, Burlington, Ontario, Canada
    Environ Toxicol Chem 32:1672-81. 2013
    ..1 of the observed data, using 24-h depurated body concentrations. The traditional concentration addition model overestimated toxicity by a factor of 2.7...
  3. ncbi request reprint Saturation models of arsenic, cobalt, chromium and manganese bioaccumulation by Hyalella azteca
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    Environ Pollut 143:519-28. 2006
    ..The four elements were not physiologically regulated in Hyalella. Their body concentrations should be good indicators of bioavailability and useful for environmental assessment...
  4. ncbi request reprint Chronic toxicity of arsenic, cobalt, chromium and manganese to Hyalella azteca in relation to exposure and bioaccumulation
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
    Environ Pollut 147:262-72. 2007
    ..Mn toxicity was greater in glass test containers compared to plastic. Bioaccumulation of As, Co, Cr, and Mn was strongly correlated with, and is useful for predicting, chronic mortality...
  5. ncbi request reprint Interactive effects of metals in mixtures on bioaccumulation in the amphipod Hyalella azteca
    W P Norwood
    Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
    Aquat Toxicol 84:255-67. 2007
    ..Lead bioaccumulation was enhanced by some mixture combinations. Bioaccumulation of Cr, Cu, Mn, Tl and Zn were not significantly affected by exposure to other metals...
  6. ncbi request reprint Re-evaluation of metal bioaccumulation and chronic toxicity in Hyalella azteca using saturation curves and the biotic ligand model
    U Borgmann
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, P O Box 5050, Burlington, Ontario, Canada, L7R 4A6
    Environ Pollut 131:469-84. 2004
    ..This affects predictions of toxicity at very low metal concentrations and results in lower predicted toxicity of mixtures when many metals are present at low concentrations...
  7. ncbi request reprint Metal bioavailability and toxicity through a sediment core
    U Borgmann
    National Water Research Institute, Environment Canada, Burlington, Ontario
    Environ Pollut 116:159-68. 2002
    ..g. core vs. grab samples). Based on Pb-210 dating and trends in Ni in the core, chronic toxicity of surface sediments from Richard Lake might approach non-toxic levels in about 15 years...
  8. ncbi request reprint Quantification of bioavailable nickel in sediments and toxic thresholds to Hyalella azteca
    U Borgmann
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, PO Box 5050, Burlington, Ontario, Canada L7R 4A6
    Environ Pollut 111:189-98. 2001
    ....
  9. ncbi request reprint Reduced metals concentrations of water, sediment and hyalella azteca from lakes in the vicinity of the sudbury metal smelters, Ontario, Canada
    M Shuhaimi-Othman
    School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, National University of Malaysia UKM, Bangi, 43600, Selangor, Malaysia
    Environ Monit Assess 117:27-44. 2006
    ..g., Pb) and that water chemistry differences (e.g., pH) were taken into account for some metals (especially Cd). In general bioaccumulation of metals in H. azteca was predicted better from surface water than from sediment total metal...