@article {52994,
	title = {Nitrogen and sulphur deposition and the growth of Sphagnum fuscum in bogs of the Athabasca oil sands region Alberta},
	volume = {69},
	year = {2010},
	pages = {9 pages },
	publisher = {Change },
	abstract = {One of the consequences of ongoing development of the oil sands reserve in the Athabasca Oil Sands Region (AOSR) near Fort McMurray, Alberta, Canada (56{\textdegree} 39{\textquoteright} N, 111{\textdegree} 13{\textquoteright} W) is an increase in emissions of nitrogen (N) and sulphur (S), with an attendant increases in regional atmospheric N and S deposition. Regional land cover across northeastern Alberta is a mixture of Boreal Mixedwood, Boreal Highlands, and Subarctic areas. Peatlands occupy between 22 and 66\% of these natural regions, and the land cover of bogs varies between 6.7\% in the Mixedwood Region to 46\% in the Subarctic Region. Ombrotrophic bog ecosystems may be especially sensitive to atmospheric deposition of N and S. Across 10 ombrotrophic bog sites in the AOSR over four years (2005{\textendash} 2008), we found no evidence of elevated deposition of NH4 +-N, NO3 {\textendash}-N, total inorganic nitrogen (TIN; NH4 +-N plus NO3 {\textendash}-N), or SO4 2{\textendash}-S, with values measured using ion exchange resin collectors averaging 0.61 {\textpm} 04, 0.20 {\textpm} 0.01, 0.81 {\textpm} 0.04, and 1.14 {\textpm} 0.06 kg ha{\textendash}1 y{\textendash}1, respectively. Vertical growth and net primary production of Sphagnum fuscum, an indicator of elevated deposition, did not differ consistently across sites, averaging 11.8 {\textpm} 0.2 mm y{\textendash}1 and 234 {\textpm} 3.3 g m{\textendash}2 y{\textendash}1, respectively, over the four years. Neither vertical growth nor net primary production of S. fuscum was correlated with growing season atmospheric N or S deposition. Our data provide a valuable benchmark of background values for monitoring purposes in anticipation of increasing N and S deposition over a broader geographic region within the AOSR.},
	keywords = {air emissions, aquatic vegetation, nitrogen, NOx, sulphur and SO2, wetlands},
	url = {http://www.jlimnol.it/index.php/jlimnol/article/view/jlimnol.2010.s1.161/124},
	author = {Wieder, R. K. and Vitt, D. H. and Burke-scoll, M. and Scott, K. D. and House, M. and Vile, M. A.}
}
