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Out of Africa and Into the American Midwest
Winter in the oak savanna at NSF's Cedar Creek Long-Term Ecological Research site.
Credit: NSF Cedar Creek LTER Site
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Oak savanna--interspersed oaks and grasses--in summer at the Cedar Creek site.
Credit: NSF Cedar Creek LTER Site
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Experimental plots where prairie meets forest at Cedar Creek.
Credit: Elizabeth Borer
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Bur oaks are mainstays of oak savanna ecosystems in the northcentral U.S.
Credit: NSF Cedar Creek LTER Site
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For oak savanna to flourish, growth of the shrub American hazel must be kept in check.
Credit: NSF Cedar Creek LTER Site
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Indian Grass and other prairie plants bend in Minnesota breezes.
Credit: NSF Cedar Creek LTER Site
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