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Researchers concerned about lower levels of oxygen in the waters of the St. Lawrence River
Published: 7 May 2013
The level of oxygen in the St. Lawrence estuary has fallen significantly in recent decades. The causes and long-term effects of this phenomenon are poorly understood and worry researchers. ... The affected underwater region is located near Tadoussac and off Rimouski. The oxygen that marine life depends upon has fallen by roughly half since the 1930s, according to Alfonso Mucci, a professor in the Department of Earth and Planetary Sciences at 看片视频 ... Professor Mucci explained how according to one model currently being developed, hypoxia could get worse in the years to come.
(in French) from Le Devoir