Restoration and Recovery of an Industrial Region: Progress by David A. B. Pearson, J. Roger Pitblado (auth.), John M. Gunn

By David A. B. Pearson, J. Roger Pitblado (auth.), John M. Gunn (eds.)

Sudbury, Ontario is among the world's so much polluted parts. A century of commercial actions has ended in millions of acidified lakes and gigantic parts of denuded land. This e-book describes, in a fashion obtainable to a large viewers, the wear and the efforts at environmental recovery at Sudbury which led to its successful a United international locations award in 1992 for land reclamation.
The publication has been written by means of a special team of individuals, starting from specialists in acid rain and land reclamation to environmental engineers and toxicologists.

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Additional resources for Restoration and Recovery of an Industrial Region: Progress in Restoring the Smelter-Damaged Landscape Near Sudbury, Canada

Sample text

2 :; c: c: 0: ~ :> a .!!! c ci. g- oo ·c u .!!! 0 c: :> w ;; '6 ci. '3 u u « . E ..... s: .. 5 . 1960 ~ ..... . ~. ;. 1780 , • 0 1800 • , N 1840 ... 0 1900 1880 ...... 0 1920 0 0 o .......... 0 "'. , .. • ... ' ti ' . i- A ~ "" \ . \ 50 100 150 200 Diatom -inferred AI and Ni (Jlg /U pH AI Ni 250 lake water chemistry as a result of industrial activity. Moreover, inferences for the bottom samples also provide information on background or reference limnological conditions. The recent and preindustrial diatom-inferred water chemistry for 72 lakes within a 100-km radius of Sudbury (Dixit et al.

Ryerson Press, Toronto. N. 1958. Influence of Smelter Fumes on the Growth of White Pine in the Sudbury Region. Department of Lands and Forests, Department of Mines, Ontario. N. 1971. Economic effects of S02 on forest growth. J. Air Pollut. Control Assoc. 21: 81-86. R. Haddow. 1945. First report of the subcommittee on the investigation of sulphur smoke conditions and alleged forest damage in the Sudbury region, February 1945. Unpublished report. R. 1978. The not-so-distant past. Sudbury Star, September 30, 1978.

Recent increases in pH and decreases in metal concentrations, related to reduced smelter emissions, are evident in the sediment record for several lakes. Because paleolimnological techniques provide long-term data on ecosystem condition and changes, they are being used as an integral part of environmental monitoring and assessment programs. The approach can be used to detect and quantify lake water quality changes, provide data on preindustrial (predisturbance) conditions, establish natural variability, identify long-term trends, and monitor the effects of remedial action plans on aquatic environments.

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