Publications

Elphick, J., Gilron, G., and Christensen, J. 2018. Application of innovative techniques for investigation of cause studies in environmental effects monitoring for metal mines in Canada: need for technical guidance. Integr. Environ. Assess. Manag. 14(4):519-521.


Christensen, J.R., J.M. McBeth, N.J. Sylvain, J. Spence, and H-M. Chan. 2017. Hartnell’s time machine: 170-year-old nails reveal zinc deficiency played a greater role than lead in the demise of the Franklin Expedition. Journal of Archaeological Science: Reports 16:430-440.


Noel, M., J.R. Christensen, J. Spence, and C.T. Robbins. Using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to characterize copper, zinc and mercury along grizzly bear hair providing estimate of diet. Science of the Total Environment 529:1-9, 2015, 2015.


Christensen, J.R., M.B. Yunker, M. MacDuffee, and P.S. Ross. Plant consumption by grizzly bears reduces biomagnification of salmon-derived polychlorinated biphenyls, polybrominated diphenyl ethers and organochlorine pesticides. Environmental Toxicology and Chemistry 32(5):995-1005, 2013.


Noel, M., J. Spence, K.A. Harris, C.T. Robbins, J.K. Fortin, P.S. Ross, and J.R. Christensen. Grizzly bear hair reveals toxic exposure to mercury through salmon consumption. Environmental Science and Technology 48(13):7560-7567, 2014.


Cullon, D.L., M.B. Yunker, J.R. Christensen, R.W. Macdonald, M.J. Whiticar, N.J. Dangerfield and P.S. Ross. 2012. Biomagnification of polychlorinated biphenyls in a harbor seal (Phoca vitulina) food web from the Strait of Georgia, British Columbia (Canada). Environmental Toxicology and Chemistry 31(11):2445-2455.


Christensen, J.R., R.J. Letcher and P.S. Ross. Persistent or not persistent? Polychlorinated biphenyls are readily depurated by grizzly bears (Ursus arctos horribilis). Environmental Toxicology and Chemistry 28(10): 2206-2215, 2009.


Christensen, J.R., M. MacDuffee, M. Yunker and P.S. Ross. Hibernation-associated changes in persistent organic pollutant (POP) levels and patterns in British Columbia grizzly bears (Ursus arctos horribilis). Environmental Science and Technology 41(6): 1834-1840, 2007.


Christensen, J.R., J.S. Richardson, C.A. Bishop, B. Pauli and J.E. Elliott. Effects of nonylphenol on tail resorption and metamorphic staging in Rana catesbeiana tadpoles. Journal of Toxicology and Environmental Health 68(7): 557-572, 2005.


Christensen, J.R., M. MacDuffee, M. Whiticar and P.S. Ross. Persistent organic pollutants in British Columbia grizzly bears: consequence of divergent diets. Environmental Science and Technology 39(18): 6952-6960, 2005.


Christensen, J.R., C.A. Bishop, J.S. Richardson, B. Pauli and J.E. Elliott. Validation of an Amphibian Sperm Inhibition Toxicological Test (ASITT) method using zinc. Environmental Toxicology and Chemistry 23(12): 2950-2955, 2004.


Christensen, J.R., B. Pauli, J.S. Richardson, C.A. Bishop and J.E. Elliott. Effects of pH and dilution on African clawed frog (Xenopus laevis) sperm motility. Canadian Journal of Zoology 82(4): 555-563, 2004.