. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. Number of non-native forest species. Figure 10. The total number , native species (top left), number of tree taxa (top right}, number / threatened and endangered (T & E) species (bottom left), and number of non-native forest species (bottom right) in each Illinois county as recorded by the Illinois Plant Information Network. 40. Please note that these images are extracted fro


. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. Number of non-native forest species. Figure 10. The total number , native species (top left), number of tree taxa (top right}, number / threatened and endangered (T & E) species (bottom left), and number of non-native forest species (bottom right) in each Illinois county as recorded by the Illinois Plant Information Network. 40. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Dept. of Energy and Natural Resources; Critical Trends Assessment Project. Springfield, Ill. : Ill. Dept. of Energy and Natural Resources


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