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Northern tall grasslands
Agricultural grasslands west of Tower City, North Dakota (c) 2012 Steven J. Baskauf
Source of bioregions data: Olson, D. M. and E. Dinerstein. The Global 200: Priority ecoregions for global conservation. (PDF file) Annals of the Missouri Botanical Garden 89:125-126.
Distinctiveness (1=highest,4=lowest): 4
This is a transitional area which has relatively less diversity than other tall grasslands further to the south.*
Conservation Status (1=most endangered, 5=most
intact): 2 (endangered)
Approximately 5% of the ecoregion is intact. Most of the area has been converted to agriculture except for sandy ridges along rivers.*
* Ricketts, T.H., E. Dinerstein, D.M. Olson, C.J. Loucks, et al. (1999) Terrestrial Ecoregions of North America: A Conservation Assessment. World Wildlife Fund - United States and Canada. Island Press, Washington, D.C. pp. 258-260.