Ontario lake ecosystem still struggling 17 years after acid rain experiment ended
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·1 viewsA landmark 17-year scientific study conducted on Lake 223 in Ontario deliberately lowered the lake's pH levels to simulate the effects of acid rain. Although the experiment has since concluded and the water chemistry has returned to normal, the broader ecosystem has not recovered at the same pace. Fish populations remain depleted, and growth rates have stayed persistently low despite improved water conditions. The findings highlight that restoring chemical balance alone is insufficient for full ecological recovery. Scientists say the study underscores the long-lasting biological damage that acidification can inflict on freshwater ecosystems.
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