@article {40048,
	title = {Terrestrial ecozones, ecoregions, and ecodistricts of Canada: Provinces of Alberta, Saskatchewan, and Manitoba. A national ecological framework for Canada},
	year = {1995},
	institution = {Agriculture and Agri-Foods Canada, Research Branch Centre for Land and Biological Resources  Research and Environment Canada, State of the Environment Directorate, Ecozone Analysis Branch},
	address = {Ottawa-Hull},
	author = {Ecological Stratification Working Group}
}
