Trace Metal Concentrations in Pine Needles at Varying Elevation in Proximity to Roadways in an Urban Environment

10.1046/j.1365-2486.2000.00376.x

Forbes, P. (2015) Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques. Elsevier, USA.

10.1016/S0045-6535(03)00256-X

Kord, B., Mataji, A. and Babaie, S. (2010) Pine (Pinus eldarica medw.) Needles as Indicator for Heavy Metals Pollution. International Journal of Science and Technology, 7, 79-84.

10.1016/S0269-7491(02)00289-0

Beckett, K.P., Freer-Smith, P.H. and Taylor, G. (2000) Effective Tree Species for Local Air-Quality Management. Journal of Arboriculture, 26, 12-19.

10.1016/j.envexpbot.2003.11.003

10.1016/j.chemosphere.2011.12.020

10.1016/j.ecolind.2014.06.003

10.1007/BF00477264

10.1016/j.ecolind.2016.01.004

City of Calgary (2015) Traffic Volume Flow Maps. http://www.calgary.ca/Transportation/TP/Pages/Planning/Transportation-Data/Traffic-volume-flow-maps.aspx

10.1016/S0012-821X(99)00020-5

10.1016/j.chemosphere.2004.01.003

Umar, A., Yauri, B. and Muhammad, C. (2015) Acacia Nitolica as Bioindicator of Copper and Cobalt Pollution Due to Vehicular Emission along the Main Entrance Road of Usmanu Danfodiyo University, Sokoto—Nigeria. International Journal of Advanced Research in Chemical Science, 2, 1-8.

Haneke, E.K. (2002) Toxicological Summary for Cobalt Dust [7440-48-4]. Integrated Laboratory Systems. https://ntp.niehs.nih.gov/ntp/htdocs/chem_background/.../cobaltdust_508.pdf

Waldron, H.A. (1980) Metals in the Environment. Science of the Total Environment, 20, 287-287.

10.1007/978-0-387-21510-5

Ndiokwere, C. (1984) Heavy Metal Pollution from Vehicle Emission and Its Effect on Vegetable and Crops in Nigeria. Journal of Environmental Pollution, 7, 35-42.

Ball, D.J., Hamilton, R.S. and Harrison, R.M. (1991) The Influence of Highway-Related Pollutants on Environmental Quality. Journal of Trace Elements in Medicine and Biology, 11, 176-178.

10.1023/A:1005235422943

10.1016/j.ecolind.2011.04.017

10.1134/S1067413616010045

Marschner, P. (1995) Marschner’s Mineral Nutrition of Higher Plants. 3rd Edition, Academic Press, Cambridge.

City of Calgary (2016) Salt Management Plan. http://www.calgary.ca/Transportation/Roads/Pages/.../Salt-management-plan-FAQs.aspx

10.1016/j.atmosenv.2006.06.008

10.1146/annurev.arplant.56.032604.144106

10.2307/1313570