By Luiz A. Martinelli, Robert W. Howarth
Advances in our figuring out of the nitrogen cycle and the impression of anthropogenic actions on nearby to international scales depend upon the growth of clinical experiences to those fast-developing areas. This publication provides a sequence of reports from around the Americas whose objective is to focus on key common strategies that regulate nitrogen biking in addition to talk about the most anthropogenic impacts at the nitrogen cycle in either the tropical and temperate areas of the Americas.
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Additional info for Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls
2005). 27 Figure 1. Recent trends in nitrogen emissions in Canada. Dashed lines indicate projected levels. Data from Vet et al. (2005). The sources of NOx in Canada are somewhat different from more urbanized and industrialized countries, with off-road vehicles contributing almost as much NOx as on-road vehicles. In total, vehicles emit almost 50% of NOx in Canada. The oil and gas industries also contribute disproportionately to Canadian emissions. In contrast, electrical power generation is a smaller percentage than in many countries, as a result of heavy reliance in most of Canada 28 on hydroelectricity rather than fossil fuel burning.
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And Lusis M. 2005. Atmospheric response to past emission control programs. In: Canadian Acid Rain Science Assessment 2004, Chapter 3. Environment Canada, Ottawa Ontario, pp. 15–98. A. 2002. A dendrochemical survey of sugar maple in south-central Ontario. Water Air Soil Pollut. 136: 165–187. A. J. 2003a. Base cation and nitrogen budgets for seven forested catchments in central Ontario 1983–1999. Forest Ecol. Manag. 177: 155–177. A. J. 2003b. Calcium losses from a forested catchment in south-central Ontario, Canada.
Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls by Luiz A. Martinelli, Robert W. Howarth