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Mining and smelting activities have strongly influenced the Sudbury region (Ontario, Canada) since the late 19th century, leading to acidification and metal contamination in many local ecosystems. Regulations on restricting acidic emissions were enacted in the 1970s, after which a considerable volume of paleolimnological work was completed to study the impacts of acidification on Sudbury‐region lakes...
Lakes near Sudbury, Canada, have been exposed to intense acidification and metal contamination from nearby mining and smelting operations. Although lakewater pH improved substantially following the implementation of emission controls in the late 1960s, biological recovery continues to lag behind chemical recovery.We assessed the current state of biological recovery (relative to pre‐impact times) using...
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