6 April 2021
Less oxygen in the St. Lawrence
Oxygen concentrations have been decreasing in the St. Lawrence River during the last 50 years. The actual levels of oxygen reached may modify the distribution area of several species, according to the findings presented by Marjolaine Blais, biologist at the Institut Maurice Lamontagne (Fisheries and Oceans Canada).
Read: https://bit.ly/3mnINQV
