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Articles on deoxygenation

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When fish like this netted cod are exposed to mercury, it accumulates in certain organs, including the lenses of their eyes. Yvette Heimbrand

The lenses of fishes’ eyes record their lifetime exposure to toxic mercury, new research finds

A new study shows that a time stamp can be put on mercury that accumulates in fish eyes, offering a window into their lifetime exposure.
The Estuary and Gulf of St. Lawrence is one of, if not the largest estuarine system on Earth. It plays an intrinsic role in the history of Canada and is the cradle of Quebec’s economy, and its identity. (Gwénaëlle Chaillou)

Why the St. Lawrence estuary is running out of breath

Climate change is causing the deep waters in parts of the St. Lawrence River to lose their oxygen, and it’s damaging the health of the ecosystem.

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