Instabilities in spring N export caused by cumulative effects of climate changes, acidification recovery, and forest harvesting activities in northern temperate forests

Irena F Creed1, David A. Aldred1, Aleksey Paltsev2, Kara L Webster3, Jason A Leach3 and Magdalena Bieroza4, (1)University of Toronto, Toronto, ON, Canada, (2)University of Saskatchewan, School of Environment and Sustainability, Saskatoon, ON, Canada, (3)Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, ON, Canada, (4)SLU Swedish University of Agricultural Sciences Uppsala, Uppsala, Sweden