Ross J Norstrom

Summary

Affiliation: Environment Canada
Country: Canada

Publications

  1. ncbi request reprint Brominated flame retardants in polar bears (Ursus maritimus) from Alaska, the Canadian Arctic, East Greenland, and Svalbard
    Derek C G Muir
    National Water Research Institute, Environment Canada, Burlington, Ontario, Canada
    Environ Sci Technol 40:449-55. 2006
  2. ncbi request reprint Understanding bioaccumulation of POPs in food webs. Chemical, biological, ecological and environmental considerations
    Ross J Norstrom
    Environment Canada, Canadian Wildlife Service, 100 Gamelin Blvd, Hull, QC K1A 0H3, Canada
    Environ Sci Pollut Res Int 9:300-3. 2002
  3. ncbi request reprint Geographical distribution (2000) and temporal trends (1981-2000) of brominated diphenyl ethers in Great Lakes hewing gull eggs
    Ross J Norstrom
    Environment Canada, National Wildlife Research Centre, 100 Gamelin Boulevard, Hull, Quebec KIA 0H3, Canada
    Environ Sci Technol 36:4783-9. 2002
  4. ncbi request reprint Mercury and other trace elements in a pelagic Arctic marine food web (Northwater Polynya, Baffin Bay)
    Linda M Campbell
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, Burlington, Ontario, Canada, L7R 4A6
    Sci Total Environ 351:247-63. 2005
  5. ncbi request reprint Composition of chlorinated hydrocarbon contaminants among major adipose tissue depots of polar bears (Ursus maritimus) from the Canadian high Arctic
    Jonathan Verreault
    National Wildlife Research Centre, Science and Technology Branch, Environment Canada, Carleton University, Ottawa, Ontario, Canada K1A 0H3
    Sci Total Environ 370:580-7. 2006
  6. ncbi request reprint Hydroxylated PCBs and other chlorinated phenolic compounds in lake trout (Salvelinus namaycush) blood plasma from the Great Lakes region
    Linda M Campbell
    National Water Research Institute, Environment Canada, Burlington, Ontario L7R 4A6, Canada
    Environ Sci Technol 37:1720-5. 2003
  7. ncbi request reprint Comprehensive re-analysis of archived herring gull eggs reconstructs historical temporal trends in chlorinated hydrocarbon contamination in Lake Ontario and Green Bay, Lake Michigan, 1971-1982
    Ross J Norstrom
    National Wildlife Research Centre, Canadian Wildlife Service, Environment Canada, Carleton University Raven Road, Ottawa, CanadaON K1A 0H3
    J Environ Monit 8:835-47. 2006
  8. ncbi request reprint ABAM, a model for bioaccumulation of POPs in birds: validation for adult herring gulls and their eggs in Lake Ontario
    Ross J Norstrom
    National Wildlife Research Centre, Canadian Wildlife Service, Environment Canada, Carleton University, Raven Road, Ottawa, ON K1A 0H3, Canada
    Environ Sci Technol 41:4339-47. 2007
  9. ncbi request reprint PCBs and organochlorine pesticides in blubber biopsies from free-ranging St. Lawrence River Estuary beluga whales (Delphinapterus leucas), 1994-1998
    Karen E Hobbs
    National Water Research Institute, Environment Canada, ON, L7R 4A6, Burlington, Canada
    Environ Pollut 122:291-302. 2003
  10. ncbi request reprint Why do organochlorine differences between arctic regions vary among trophic levels?
    Katrine Borgå
    Norwegian Polar Institute, N 9296 Tromsø, Norway
    Environ Sci Technol 39:4343-52. 2005

Collaborators

Detail Information

Publications24

  1. ncbi request reprint Brominated flame retardants in polar bears (Ursus maritimus) from Alaska, the Canadian Arctic, East Greenland, and Svalbard
    Derek C G Muir
    National Water Research Institute, Environment Canada, Burlington, Ontario, Canada
    Environ Sci Technol 40:449-55. 2006
    ..Significantly lower sigmaPBDE concentrations were found in fat of bears from Canada and Alaska (means ranging from 7.6 to 22 ng/g lw)...
  2. ncbi request reprint Understanding bioaccumulation of POPs in food webs. Chemical, biological, ecological and environmental considerations
    Ross J Norstrom
    Environment Canada, Canadian Wildlife Service, 100 Gamelin Blvd, Hull, QC K1A 0H3, Canada
    Environ Sci Pollut Res Int 9:300-3. 2002
  3. ncbi request reprint Geographical distribution (2000) and temporal trends (1981-2000) of brominated diphenyl ethers in Great Lakes hewing gull eggs
    Ross J Norstrom
    Environment Canada, National Wildlife Research Centre, 100 Gamelin Boulevard, Hull, Quebec KIA 0H3, Canada
    Environ Sci Technol 36:4783-9. 2002
    ..If present rates of change continue, concentrations of sigmaBDEs will equal or surpass those of sigmaPCBs in Great Lakes herring gull eggs in 10-15 years...
  4. ncbi request reprint Mercury and other trace elements in a pelagic Arctic marine food web (Northwater Polynya, Baffin Bay)
    Linda M Campbell
    National Water Research Institute, Environment Canada, 867 Lakeshore Road, Burlington, Ontario, Canada, L7R 4A6
    Sci Total Environ 351:247-63. 2005
    ....
  5. ncbi request reprint Composition of chlorinated hydrocarbon contaminants among major adipose tissue depots of polar bears (Ursus maritimus) from the Canadian high Arctic
    Jonathan Verreault
    National Wildlife Research Centre, Science and Technology Branch, Environment Canada, Carleton University, Ottawa, Ontario, Canada K1A 0H3
    Sci Total Environ 370:580-7. 2006
    ....
  6. ncbi request reprint Hydroxylated PCBs and other chlorinated phenolic compounds in lake trout (Salvelinus namaycush) blood plasma from the Great Lakes region
    Linda M Campbell
    National Water Research Institute, Environment Canada, Burlington, Ontario L7R 4A6, Canada
    Environ Sci Technol 37:1720-5. 2003
    ..3 and 27.7 pg/g), and 4'-OH-CB208 (24.5 and 34.7 pg/g) were found in lake trout from Lake Ontario and Lake Superior, respectively. Future studies to delineate the sources and impacts of CPCs in the Great Lakes catchment are needed...
  7. ncbi request reprint Comprehensive re-analysis of archived herring gull eggs reconstructs historical temporal trends in chlorinated hydrocarbon contamination in Lake Ontario and Green Bay, Lake Michigan, 1971-1982
    Ross J Norstrom
    National Wildlife Research Centre, Canadian Wildlife Service, Environment Canada, Carleton University Raven Road, Ottawa, CanadaON K1A 0H3
    J Environ Monit 8:835-47. 2006
    ....
  8. ncbi request reprint ABAM, a model for bioaccumulation of POPs in birds: validation for adult herring gulls and their eggs in Lake Ontario
    Ross J Norstrom
    National Wildlife Research Centre, Canadian Wildlife Service, Environment Canada, Carleton University, Raven Road, Ottawa, ON K1A 0H3, Canada
    Environ Sci Technol 41:4339-47. 2007
    ..With species-specific adjustments, ABAM can be regarded as a general model for lipophilic POPs bioaccumulation in birds...
  9. ncbi request reprint PCBs and organochlorine pesticides in blubber biopsies from free-ranging St. Lawrence River Estuary beluga whales (Delphinapterus leucas), 1994-1998
    Karen E Hobbs
    National Water Research Institute, Environment Canada, ON, L7R 4A6, Burlington, Canada
    Environ Pollut 122:291-302. 2003
    ..It also appears that measuring contaminant concentrations only in stranded whales, may overestimate OC levels in the population as a whole, especially for highly chlorinated OCs...
  10. ncbi request reprint Why do organochlorine differences between arctic regions vary among trophic levels?
    Katrine Borgå
    Norwegian Polar Institute, N 9296 Tromsø, Norway
    Environ Sci Technol 39:4343-52. 2005
    ..Differences in the spatial trends of OCs between trophic levels in the Arctic are important for consideration when assessing regional differences in spatial and temporal trends of discontinued and current-use contaminants...
  11. ncbi request reprint Does high organochlorine (OC) exposure impair the resistance to infection in polar bears (Ursus maritimus)? Part I: Effect of OCs on the humoral immunity
    Elisabeth Lie
    National Veterinary Institute, Oslo, Norway
    J Toxicol Environ Health A 67:555-82. 2004
    ..haemolytica. The present study demonstrated that high OC levels may impair the polar bears ability to produce antibodies and thus may produce impaired resistance to infections...
  12. ncbi request reprint Organochlorine contaminants in seven species of Arctic seabirds from northern Baffin Bay
    Andrea H Buckman
    Department of Environmental Biology, University of Guelph, Guelph, ON, Canada N1G 2W1
    Environ Pollut 128:327-38. 2004
    ..Trophic level, migration, scavenging and biotransformation all play important roles in the OCs found in Arctic seabirds...
  13. ncbi request reprint Examination of the bioaccumulation of halogenated dimethyl bipyrroles in an Arctic marine food web using stable nitrogen isotope analysis
    Sheryl A Tittlemier
    Centre for Analytical and Environmental Chemistry, Carleton University, Ottawa, Ontario, Canada
    Environ Pollut 116:85-93. 2002
    ..None of the four HDBP congeners in ringed seals followed the general trend of increasing concentration with trophic level, which was possibly due to an ability of the seals to metabolize HDBPs...
  14. ncbi request reprint Development and validation of a herring gull embryo toxicokinetic model for PCBs
    Ken G Drouillard
    Great Lakes Institute for Environmental Research, University of Windsor, Windsor, ON, Canada, N9B 3P4
    Ecotoxicology 12:55-68. 2003
    ..Consistent with experimental data for other avian species, the model predicts that the highest PCB concentrations in the embryo/chick occur during pipping or soon after when yolk lipids have been completely resorbed by the embryo...
  15. ncbi request reprint Enantiomeric fractions of chiral polychlorinated biphenyls provide insights on biotransformation capacity of arctic biota
    Nicholas A Warner
    Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
    Environ Toxicol Chem 24:2763-7. 2005
    ..This study demonstrates the utility of using chiral analysis of PCBs to investigate biotransformation within biota of arctic food webs...
  16. ncbi request reprint Temporal trends of perfluoroalkyl contaminants in polar bears (Ursus maritimus) from two locations in the North American Arctic, 1972-2002
    Marla Smithwick
    Department of Environmental Biology, University of Guelph, Bovey Building, Guelph, Ontario N1G 2W1, Canada
    Environ Sci Technol 40:1139-43. 2006
    ..The doubling time for PFOS was similar to the doubling time of production of perfluoroctylsulfonyl-fluoride-based products during the 1990s...
  17. ncbi request reprint Regional and species specific bioaccumulation of major and trace elements in Arctic seabirds
    Katrine Borgå
    Norwegian Polar Institute, Polar Environmental Centre, N 9296 Tromsø, Norway
    Environ Toxicol Chem 25:2927-36. 2006
    ....
  18. ncbi request reprint Chlorinated hydrocarbon contaminants and metabolites in polar bears (Ursus maritimus) from Alaska, Canada, East Greenland, and Svalbard: 1996-2002
    Jonathan Verreault
    University of Windsor, Great Lakes Institute for Environmental Research, Windsor, Canada, ON N9B 3P4
    Sci Total Environ 351:369-90. 2005
    ..In addition to continued biomonitoring, further research on health and population status is needed to evaluate the impact from chronic exposure of polar bear populations to CHCs and their metabolites...
  19. ncbi request reprint Does high organochlorine (OC) exposure impair the resistance to infection in polar bears (Ursus maritimus)? Part II: Possible effect of OCs on mitogen- and antigen-induced lymphocyte proliferation
    Elisabeth Lie
    National Veterinary Institute, Oslo, Norway
    J Toxicol Environ Health A 68:457-84. 2005
    ..2004)...
  20. ncbi request reprint Vapour pressures, aqueous solubilities, Henry's Law constants, and octanol/water partition coefficients of a series of mixed halogenated dimethyl bipyrroles
    Sheryl A Tittlemier
    Centre for Analytical and Environmental Chemistry, Carleton University, Ottawa, Ont, Canada K1S 5B6
    Chemosphere 57:1373-81. 2004
    ..Only slight differences in behaviour amongst HDBP congeners were predicted since substitution of a bromine for a chlorine (Cl/Br substitution) atom had less effect than H/Cl or H/Br substitution on P(o)(L,25), S(w,25), H25, and K(ow)...
  21. ncbi request reprint Reproductive and morphological effects of halogenated dimethyl bipyrroles on captive American kestrels (Falco sparverius)
    Sheryl A Tittlemier
    Centre for Analytical and Environmental Chemistry, Carleton University, Ottawa, Ontario K1S 5B6, Canada
    Environ Toxicol Chem 22:1497-506. 2003
    ..Only minor histomorphological changes were detected in the hepatic tissue. The lack of serious effects suggests that HDBPs are not an acute reproductive threat to avian populations...
  22. pmc Pentachlorophenol and hydroxylated polychlorinated biphenyl metabolites in umbilical cord plasma of neonates from coastal populations in Québec
    Courtney D Sandau
    Centre for Analytical and Environmental Chemistry, Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
    Environ Health Perspect 110:411-7. 2002
    ..Further studies are needed to examine the effects of chlorinated phenolic compounds on thyroid hormone status in newborns...
  23. ncbi request reprint Structure elucidation of four possible biogenic organohalogens using isotope exchange mass spectrometry
    Sheryl A Tittlemier
    Centre for Analytical and Environmental Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ont, Canada K1S 5B6
    Chemosphere 46:511-7. 2002
    ..The placement of the halogen atoms on the fourth compound, C10H6N2Br3Cl3 could not be unequivocally determined since the synthesized standard could not be fully characterized...
  24. ncbi request reprint Geographic distribution of selected elements in the livers of polar bears from Greenland, Canada and the United States
    Scott A Rush
    University of Georgia, Warnell School of Forestry and Natural Resources, Athens, GA 30602 2152, USA
    Environ Pollut 153:618-26. 2008
    ..Concentrations of most elements in the polar bears did not exceed toxicity thresholds, although Cd and Hg exceeded levels correlated with the formation of hepatic lesions in laboratory animals...