. The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage. Acid pollution of rivers, lakes, etc; Acid rain. 1400 1200 CD 1000 D 800 0) 600 - _Q E 3 400 h 200 h 0. n = 2987 ^^'^'^'^'< m CM o o o in o in CM o u? § ^ % Ion Difference Figure : Observed percent ion difference for lakes in the database where calculation was possible. 57. 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
. The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage. Acid pollution of rivers, lakes, etc; Acid rain. 1400 1200 CD 1000 D 800 0) 600 - _Q E 3 400 h 200 h 0. n = 2987 ^^'^'^'^'< m CM o o o in o in CM o u? § ^ % Ion Difference Figure : Observed percent ion difference for lakes in the database where calculation was possible. 57. 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 Neary, B. P; Ontario. Ministry of the Environment. [Toronto] : Environment Ontario
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