. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. (0 E o CO nj o. Softwoods Hardwoods All Species Softwoods Hardwoods All Species Figure 20. Biomass (top left), annual growth (top right), annual hanest (bottom left), and annual mortality (bottom right) of forest growing stock, 1961 (or 1962) and 1984. Source: Hahn 1987. 46. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. (0 E o CO nj o. Softwoods Hardwoods All Species Softwoods Hardwoods All Species Figure 20. Biomass (top left), annual growth (top right), annual hanest (bottom left), and annual mortality (bottom right) of forest growing stock, 1961 (or 1962) and 1984. Source: Hahn 1987. 46. 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
Size: 1914px × 1305px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjecte, booksubjectecology, booksubjectman
