Lac Saint-Pierre

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Lac Saint-Pierre
Lac Saint-Pierre.JPG
Lac Saint-Pierre
Geographical location Québec (Canada)
Tributaries Saint Lawrence River , Yamaska , Saint-François , Richelieu , Nicolet , Maskinongé , Rivière du Loup , Yamachiche
Drain Saint Lawrence River
Places on the shore Louiseville
Data
Coordinates 46 ° 12 ′  N , 72 ° 50 ′  W Coordinates: 46 ° 12 ′  N , 72 ° 50 ′  W
Lac Saint-Pierre (Québec)
Lac Saint-Pierre
Altitude above sea level m
surface 353 km²
length 35 km
width 10 km
Maximum depth 11.3 m
Stfrancoisrivermap.png
Location of Lac Saint-Pierre on the lower reaches of the St. Lawrence River
Template: Infobox See / Maintenance / EVIDENCE-MAX-DEPTH

The Lac Saint-Pierre (also Wakefield Lake ) is a 353 km² large lake in the south of the Canadian province of Quebec .

It lies at a height of approx. 3 meters above sea level in the St. Lawrence River , between Sorel-Tracy in the southwest and Trois-Rivières in the northeast. The lake is 35 km long, up to 10 km wide and forms part of the St. Lawrence Seaway . The mean depth is 3 m, the maximum depth 11.3 m. On the south bank are the mouths of the Saint-François and Yamaska rivers .

The lake has dozens of small islands that are seasonally flooded. These form important resting places for hundreds of thousands of migratory birds and also important nesting places for herons ; Nowhere else in North America is the concentration of herons greater than here. In 1998, Lac Saint-Pierre was placed under the protection of the Ramsar Convention as a wetland of international importance . Since 2000, the lake is a biosphere reserve of UNESCO recognized. The area of ​​the reserve is 480 km², of which 31 km² are in the core zone.

The lake got its name from the French explorer Samuel de Champlain . It happened on June 29, 1603, the feast day of the Apostle Peter (French: Saint-Pierre ). The previous French name (from around 1535) was Lac d'Angoulême . The Abenaki called the lake Nebesek , which means "by the lake".

The "Evans-Lou" quarry, located about two kilometers north-northeast of Lac Saint-Pierre and now abandoned, with granite pegmatites rich in rare earth metals is considered to be the type locality for the minerals caysichite (Y) , moydite (Y) and wakefieldite ( Y) .

Web links

Commons : Lac Saint-Pierre  - Collection of images, videos and audio files

Individual evidence

  1. a b c Commission de toponymie du Québec - Lac Saint-Pierre
  2. a b Mindat - type locality Evans-Lou Mine, Lac Saint-Pierre (Wakefield Lake), Val-des-Monts, Les Collines-de-l'Outaouais RCM, Outaouais, Québec, Canada
  3. UNESCO Biosphere Reserves. Lac Saint Pierre. In: Ecological Sciences for Sustainable Development. UNESCO , accessed April 11, 2013 .