G H Heinz

Summary

Affiliation: U.S. Geological Survey
Country: USA

Publications

  1. ncbi request reprint Phosphorus amendment reduces bioavailability of lead to mallards ingesting contaminated sediments
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland 20708 4017, USA
    Arch Environ Contam Toxicol 46:534-41. 2004
  2. ncbi request reprint Embryotoxic thresholds of mercury: estimates from individual mallard eggs
    G H Heinz
    Patuxent Wildlife Research Center, U S Geological Survey, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
    Arch Environ Contam Toxicol 44:257-64. 2003
  3. ncbi request reprint Mercury accumulation and loss in mallard eggs
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
    Environ Toxicol Chem 23:222-4. 2004
  4. ncbi request reprint Factors affecting the toxicity of methylmercury injected into eggs
    G H Heinz
    Patuxent Wildlife Research Center, United States Geological Survey, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Arch Environ Contam Toxicol 50:264-79. 2006
  5. ncbi request reprint Developmental toxicity of lead-contaminated sediment in Canada geese (Branta canadensis)
    D J Hoffman
    USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708 4041, USA
    J Toxicol Environ Health A 59:235-52. 2000
  6. ncbi request reprint Predicting mercury in mallard ducklings from mercury in chorioallantoic membranes
    G H Heinz
    United States Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708 4017, USA
    Bull Environ Contam Toxicol 70:1242-6. 2003
  7. doi request reprint Rapid increases in mercury concentrations in the eggs of mallards fed methylmercury
    Gary H Heinz
    Patuxent Wildlife Research Center, US Geological Survey, BARC East, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 28:1979-81. 2009
  8. doi request reprint Reproduction in mallards exposed to dietary concentrations of methylmercury
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA
    Ecotoxicology 19:977-82. 2010
  9. doi request reprint Predicting mercury concentrations in mallard eggs from mercury in the diet or blood of adult females and from duckling down feathers
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:389-92. 2010
  10. doi request reprint Enhanced reproduction in mallards fed a low level of methylmercury: an apparent case of hormesis
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:650-3. 2010

Detail Information

Publications21

  1. ncbi request reprint Phosphorus amendment reduces bioavailability of lead to mallards ingesting contaminated sediments
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland 20708 4017, USA
    Arch Environ Contam Toxicol 46:534-41. 2004
    ....
  2. ncbi request reprint Embryotoxic thresholds of mercury: estimates from individual mallard eggs
    G H Heinz
    Patuxent Wildlife Research Center, U S Geological Survey, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
    Arch Environ Contam Toxicol 44:257-64. 2003
    ..74 microg/g mercury, there were considerable differences in the sensitivity of mallard embryos, especially from different parents, with some embryos surviving as much as 30 or more microg/g mercury in the egg...
  3. ncbi request reprint Mercury accumulation and loss in mallard eggs
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, Maryland 20708 4017, USA
    Environ Toxicol Chem 23:222-4. 2004
    ..Higher concentrations of mercury were found in egg albumen than in yolk, and between 95 and 100% of the mercury in the eggs was in the form of methylmercury...
  4. ncbi request reprint Factors affecting the toxicity of methylmercury injected into eggs
    G H Heinz
    Patuxent Wildlife Research Center, United States Geological Survey, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Arch Environ Contam Toxicol 50:264-79. 2006
    ..To improve statistical comparisons, we used survival through 90% of incubation as our measurement to compare survival of controls with survival of eggs injected with graded concentrations of mercury...
  5. ncbi request reprint Developmental toxicity of lead-contaminated sediment in Canada geese (Branta canadensis)
    D J Hoffman
    USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708 4041, USA
    J Toxicol Environ Health A 59:235-52. 2000
    ..Many of these effects were similar to those reported in wild geese and mallards within the Coeur d'Alene River Basin...
  6. ncbi request reprint Predicting mercury in mallard ducklings from mercury in chorioallantoic membranes
    G H Heinz
    United States Geological Survey, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708 4017, USA
    Bull Environ Contam Toxicol 70:1242-6. 2003
  7. doi request reprint Rapid increases in mercury concentrations in the eggs of mallards fed methylmercury
    Gary H Heinz
    Patuxent Wildlife Research Center, US Geological Survey, BARC East, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 28:1979-81. 2009
    ..Depending on the dietary concentration of mercury, no more than approximately a week may be required for harmful concentrations (0.5-0.8 microg/g, wet weight) to be excreted into eggs...
  8. doi request reprint Reproduction in mallards exposed to dietary concentrations of methylmercury
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA
    Ecotoxicology 19:977-82. 2010
    ..We conclude that mallard reproduction does not appear to be particularly sensitive to methylmercury...
  9. doi request reprint Predicting mercury concentrations in mallard eggs from mercury in the diet or blood of adult females and from duckling down feathers
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:389-92. 2010
    ....
  10. doi request reprint Enhanced reproduction in mallards fed a low level of methylmercury: an apparent case of hormesis
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:650-3. 2010
    ..81 microg/g on a wet-weight basis. At this time, one cannot rule out the possibility that low concentrations of Hg in eggs may be beneficial, and this possibility should be considered when setting regulatory thresholds for methylmercury...
  11. doi request reprint Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:1621-4. 2010
    ....
  12. doi request reprint Intraperitoneal injections as a possible means of generating varied levels of methylmercury in the eggs of birds in field studies
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 29:1079-83. 2010
    ....
  13. doi request reprint A simplified method for correcting contaminant concentrations in eggs for moisture loss
    Gary H Heinz
    U S Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 28:1425-8. 2009
    ..The advantages of the new method are its speed, accuracy, and simplicity: It does not require the calculation of a correction factor that has to be applied to each contaminant residue...
  14. doi request reprint Further declines in organochlorines in eggs of red-breasted mergansers from Lake Michigan, 1977-1978 versus 1990 versus 2002
    Gary H Heinz
    USGS Patuxent Wildlife Research Center, Beltsville, MD 20705, USA
    Environ Monit Assess 159:163-8. 2009
    ..2 to 1.4 microg/g). Between 1977-1978 and 1990 dieldrin decreased only 16% (from 0.82 to 0.69 microg/g), but from 1990 to 2002 a 96% decrease occurred (from 0.69 to 0.03 microg/g)...
  15. doi request reprint A nonlethal microsampling technique to monitor the effects of mercury on wild bird eggs
    Katherine R Stebbins
    Patuxent Wildlife Research Center, US Geological Survey, BARC East, Beltsville, Maryland 20705, USA
    Environ Toxicol Chem 28:465-70. 2009
    ....
  16. doi request reprint Species differences in the sensitivity of avian embryos to methylmercury
    Gary H Heinz
    US Geological Survey, Patuxent Wildlife Research Center, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
    Arch Environ Contam Toxicol 56:129-38. 2009
    ....
  17. ncbi request reprint Phosphorus amendment reduces hepatic and renal oxidative stress in mallards ingesting lead-contaminated sediments
    David J Hoffman
    U S Geological Survey, Patuxent Wildlife Research Center, Beltsville Lab, Beltsville, Maryland, USA
    J Toxicol Environ Health A 69:1039-53. 2006
    ....
  18. ncbi request reprint Phosphorus amendment reduces hematological effects of lead in mallards ingesting contaminated sediments
    David J Hoffman
    U S Geological Survey Patuxent Wildlife Research Center, Beltsville Lab, BARC East, Building 308, 10300 Baltimore Avenue, Beltsville, Maryland, 20705, USA
    Arch Environ Contam Toxicol 50:421-8. 2006
    ....
  19. ncbi request reprint Embryotoxic and teratogenic effects of selenium in the diet of mallards
    D J Hoffman
    U S Fish and Wildlife Service, Patuxent Wildlife Research Center, Laurel, Maryland 20708
    J Toxicol Environ Health 24:477-90. 1988
    ..These findings indicate that selenomethionine is considerably more teratogenic and generally more embryotoxic than sodium selenite, probably due to higher uptake of selenomethionine...
  20. ncbi request reprint Lead shot toxicity to passerines
    N B Vyas
    US Geological Survey, Biological Resources Division, Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708, USA
    Environ Pollut 111:135-8. 2001
    ..Liver lead concentrations of birds that died ranged from 71 to 137 ppm, dry weight. Despite the short amount of time the shot was retained, songbirds may absorb sufficient lead to compromise their survival...
  21. ncbi request reprint Risk assessment test for lead bioaccessibility to waterfowl in mine-impacted soils
    Olha Furman
    University of Idaho, Moscow, ID 83844 2339, USA
    J Environ Qual 35:450-8. 2006
    ..Results from this study show that the W-PBET can be used to assess relative changes in Pb bioaccessibility to waterfowl in these mine-impacted soils, and therefore will be a valuable test to help manage and remediate contaminated soils...