Brown, red or green.

A translation by Judith Turcotte. We divide edible seaweed found in the St. Lawrence into three species depending on their colour, brown, red or green. Seaweed is generally microscopic and invisible to the naked eye. They can, however, multiply to such a point that they form colonies that may become visible. Seaweed can be used … Lire plus

Sea Urchin, a delicacy.

A translation by Judith Turcotte. We can find the green sea urchin, also known as the common sea urchin, in the St. Lawrence River. The scientists, to show their superiority on the subject, baptized it “Strongylocentrotus droebachiensis.” It takes some doing. In Europe some refer to it as a “sea cat” or “sea hedgehog.” The … Lire plus

Have you tasted seal meat?

A translation by Judith Turcotte Seals have become more and more numerous in the estuary of the St. Lawrence River. It is estimated that there would be more than 10 million of the east of the country and their presence has consequences. The fishermen complain and accuse the seals of diminishing the cod, herring and mackerel … Lire plus

Invasion or Evolution.

A translation by Judith Turcotte. Invasive species modify the biodiversity of the St. Lawrence. In our river today, we find species, plants, mushrooms and micro-organisms that were not there a few years ago. More than 180 invasive species are identified. We are not the only ones experiencing this phenomenon; more than 37,000 invasive species have … Lire plus

They’re Huge

A translation by Judith Turcotte. China not only exports electronic products and viruses like Covid-19 to us, they have also sent us the Asian carp which is in the process of invading the St. Lawrence River. There exist four types of Asian carp: the Bighead carp, the Silver carp, the Grass carp and the Black … Lire plus

Incredible Reproduction

A translation by Judith Turcotte. The zebra mussels have invaded the St. Lawrence River and our lakes. The rapid progression of this invasion took us by surprise. We know today that the female zebra mussel can hatch up to 1 million eggs per reproductive season. This rate of reproduction allows the mussels to colonize new habitats … Lire plus

In Our Drinking Water?

A translation by Judith Turcotte The debate on the addition of fluoride in our drinking water made the headlines when the city of Montréal recently announced that it stopped the fluoridation process in the drinking water production plants of Pointe-Claire and Dorval. I retain two of the reasons mentioned: the fluoride is a very corrosive … Lire plus

The die is cast except…

A translation by Judith Turcotte. Like all of you, in recent days, I have received wishes of happiness, prosperity and health for the new year. I thank you all. However, at my age, the die is pretty much cast and I am not expecting much change for 2025 but I do not like the probabilities … Lire plus

Where does the contaminated residue go?

A translation by Judith Turcotte. The ports, built along the St. Lawrence, require dredging to ensure the continuity of operations and the security of the ships. The dredging at the port of Gros-Cacouna is a good example. The port is situated 215 kilometres downstream from Québec City on the south shore of the river facing … Lire plus