Archipelago of Saint-Pierre Lake

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Archipelago of Lake Saint Pierre
Native name:
Archipel du Lac Saint-Pierre
Archipel du lac Saint-Pierre.png
Satellite view of the Archipelago
Canada Quebec location map 2.svg
Red pog.svg
Archipelago of Lake Saint Pierre
Geography
Location Saint Lawrence River, Lake Saint Pierre
Coordinates 46°05′57″N73°04′01″W / 46.09917°N 73.06694°W / 46.09917; -73.06694
Administration
Flag of Canada (Pantone).svg  Canada
Province Flag of Quebec.svg  Quebec
Demographics
Population2600 (2001)

The Archipelago of Lake Saint Pierre [1] counts 103 islands in the western part of Lake Saint Pierre, in the Canadian province of Quebec. There are two groups: Islands of Berthier to the north and the islands of Sorel to the south.

Contents

The shores of this archipelago has twenty-two coastal villages. Around 2600 people were living on those islands in 2011. [2] Islands Dupas and Saint-Ignace-de-Loyola are partially urbanized. The majority of the other islands are used for agriculture and grazing farm animals.

A network of small roads, often unpaved crosses the riparian environment of the islands. The islands of Saint-Ignace-de-Loyola, Dupas and Castors (Beavers) are connected to the north side of St. Lawrence River by a small network of bridges. The connection between the two sides of St. Lawrence River) is provided by a ferry service between Sorel and Saint-Ignace Island (the largest island of the archipelago). Most of the other islands are accessible only by boat. The south side of the river, the "Île des Embarras" (Embarrassment Island) is the smallest of the inhabited islands.

Geology

The Archipelago of Lake Saint Pierre is a delta from the last glaciation and modified by the alluvium of St. Lawrence River. [3] Following the withdrawal of the ice cap, the Sorel Islands region was invaded by the Champlain Sea which is then withdrawn gradually, about 12000 years ago. Clayey marine sediments were deposited at the bottom of the water. [4]

The visible part of the islands of the Archipelago is formed of recent alluvium. These deposits with a maximum height of 7 to 8 metres (23 to 26 feet) above the river level consist mainly of silt deposited by the Champlain Sea at the back that forced marine waters this time to integrate the current riverbed. Today, the same phenomenon is repeated annually during spring flooding [5] while the waters of the river cover a portion of the Sorel Islands and will leave a layer alluvium. Although they can cause problems and damage to the island for a few weeks to travel, the spring floods are beneficial to agriculture. [6]

Topography

The St. Lawrence River widens the entrance of Lake Saint Pierre which forms a delta archipelago of hundreds of islands and islets. Several channels crisscross between these islands. This region is characterized by a very few marked relief. The slope is 3 to 5 metres (9.8 to 16.4 feet) above sea level Most of the islands are widely flooded every spring.

Climate

This region plays a northern continental climate, slightly cooler [7] than area Montreal but much more sunny. [8] Frost-free period is long, which favors cereal crop production. In winter there is not too severe with rainfall [9] and bit excessive cold. [10]

Hydrography

Chenal du Moine, South Chenal du Moine.jpg
Chenal du Moine, South

The area of the Archipelago has 14 tributaries draining an area of 46,075 square kilometres (17,790 square miles), for a monthly average flow of 777 cubic metres (27,400 cubic feet ) per second. The disproportion between the contribution of banks is impressive; the report is favourable to ten against one for the south shore to the Archipelago. The shore south of the Archipelago with only 4 rivers has a pool of 42,250 square kilometres (16,310 square miles) for a flow 712 cubic metres (25,100 cubic feet) per second while the bank on the north side of Archipelago with ten rivers covers only 3,825 square kilometres (1,477 square miles) and flows that 65.2 cubic metres (2,300 cubic feet) per second. [11]

Wildlife

Islands and Lake Saint Pierre is the most important migratory stopover in eastern Canada for waterfowl. The ecological value of these wetlands has been recognized by the UNESCO in 2000.

Human history on islands

These are the first Native Americans who inhabited and frequented the Archipelago are deriving their livelihood from the fauna of the islands. Jacques Cartier mentions in his travel in September 1535. [12] [13] On 29 June 1603, it was the turn of Samuel de Champlain to observe Amerindian. [14] Then in August 1642, is the foundation of a wooden fort. This in order to repel the attacks of Iroquois on Trois-Rivières. The fort was burned by the Iroquois in 1647. It was not until 1665 that a new fort was rebuilt by the company of Captain Pierre de Saurel from Carignan.

In La Visitation-de-l'Ile-Dupas, Quebec in the summer, the islands are grazing in the open, no fences. Vaches ile dupas.jpg
In La Visitation-de-l'Île-Dupas, Quebec in the summer, the islands are grazing in the open, no fences.

A few years later, in 1672, demobilized soldiers are the first settlers in the Archipelago. [15] The exploitation of communal grazing on the islands finds its origin here. Agriculture fits this Archipelago of floodplains and in 1710 the population of the manor is 112 people. The population is concentrated in the Beaver Islands, Dupas, Saint-Ignace and Isle Madame at the north of the Archipelago.

In the late 1920s, several dams stones were built upstream channels to raise the water level in the shipping channel that runs south of the Archipelago. [16]

Many summer cottages on pillories were erected along the "chenal aux corbeaux" (Ravens channel), between the Crows and Lapierre Islands. This is the corner of the country Le Survenant (roman) (French novel) described in the two novels written by Germaine Guèvremont The Outlander (written in 1945) and Marie-Didace (written in 1947). [17] The characters in these two novels are associated with the Sorel Islands. [18] Germaine Guèvremont lived for nearly 30 years on the Îlette Pé [19] (near the "Chenal du moyne" - Channel of the monk) and her house became for some years the Museum of Scripture. [20]

Partial list of 103 islands

Archipel du Lac Saint-Pierre.PNG

Here is a partial list of islands (50/103) (listed as French toponyms):. [21] [22] [23]

  1. île aux Foins
  2. île du Mitan
  3. île du Sablé
  4. île aux Cochons
  5. île aux Castors
  6. île Dupas
  7. île Saint-Amour
  8. île Saint-Ignace
  9. île Ronde
  10. île Madame
  11. île aux Ours
  12. île de Grâce [24]
  13. île aux Corbeaux
  14. île à la Pierre
  15. île des Barques
  16. île du Moine
  17. île Bibeau
  18. île Létourneau
  19. îles aux Fantômes
  20. île Lacroix
  21. île d'Embarras
  22. île Saint-Jean
  23. île Saint-Pierre
  24. île à la Perche
  25. île au Citron
  26. île Millette
  27. île de Rouche
  28. îles aux Raisins
  29. Islets Percés
  30. île aux Vaches
  31. île du Curé
  32. île des Plantes
  33. île Ducharme
  34. île à l'Orme
  35. île aux Noyers
  36. île Lamarche
  37. île à la Cavale
  38. île du Nord
  39. île du Milieu
  40. la Grande Île
  41. îles aux Sables
  42. île Plate
  43. île à Letendre
  44. île de la Traverse
  45. île Péloquin
  46. île Cardin
  47. îles de la Girodeau
  48. Le Nid d'Aigle
  49. île à la Grenouille [25]
  50. îles aux Grues

See also

See also

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References

  1. ↑ Official name since 1985 - Commission de toponymie du Québec (Geographical Names Board of Québec)
  2. ↑ Lorraine Guay, Quebec islands, collection: the Regions of Quebec, Brief History, Laval University Press, 2011
  3. ↑ It is a channel flowing into a plain of sand and clay.
  4. ↑ This Mateau clay reached in 2011 several water depths; so it is about 167 metres (548 feet) deep to Berthierville
  5. ↑ These spring floods have led islanders to build buildings and houses on stilts. Even today, gathering maple sap during sugaring is done by boat to the islands.
  6. ↑ The alluvial deposits left after the removal of spring flooding is an important contribution of beneficial organic matter to grain production Islands.
  7. ↑ The average annual rainfall is 100 centimeters of water. Source Environment Canada.
  8. ↑ Over 2100 hours of sunshine per year. Which is significantly higher than the Montreal region (1900-2000 hours) and the region of Quebec (city) (1 600 to 1 700 hours). Source: Environment Canada.
  9. ↑ The average height of snow cover reaches 50–55 centimetres (20–22 inches). Source: Environment Canada
  10. ↑ recorded on the islands mean temperature is about 2.5 degrees Celsius from 12.5 degrees in January to 20.1 degrees in July for average daily temperatures. Source: Environment Canada
  11. ↑ Source: Hydrographic Service Canada
  12. ↑ Rodolphe De Koninck, The hundred-Iles of Lac St-Pierre, presses the Université Laval, 1970, page 12
  13. ↑ Jacques Cartier: Brief narrative navigation faicte es ysles Canada
  14. ↑ Rodolphe De Koninck, op cit. page 14
  15. ↑ Intendant Jean Talon rewarded 25 officers of the Carignan granting them fiefs which settled on soldiers demobilized as census. Thus was born the stronghold of Dorvillier granted Oct. 29, 1672.
  16. ↑ Lorraine Guay, Quebec islands, Collection: Regions of Quebec, History in Brief, laval University Press 2011
  17. ↑ Germaine Guèvremont, the Outlander (final version of April 1968 following the reorganization of the text published in 1945), Collection Bibliothèque Québécoise (Library Quebec Collection), Éditions Fides, 1982
  18. ↑ Denise Pérusse, Pays littéraire du Québec (literary Quebec Country): guide of writers places. Montreal, L'Hexagone / VLB editor. 1998
  19. ↑ Îlette-au-Pé, Cottage of Germaine Guèvremont, 21, Chemin de l'Île-aux-Ghosts, Sainte-Anne-de-Sorel, "HistoricPlaces.ca - HistoricPlaces.ca". Archived from the original on 2014-05-26. Retrieved 2014-05-25.
  20. ↑ Opened in 1986 by two enthusiasts, François Gélinas and Jeanne Ethier, in the house which inhabited Germaine Guèvremont to "Ilette to Pé", the small museum lived until 1996. In 1998, the site was for sale. The private sector is again since its acquisition. For cons, the house and its surroundings were made a heritage site in 1996 by the MRC Le Bas-Richelieu under Article 84 of the Law on Cultural Property. Source; Commission of Cultural Property in Quebec, Storing places of literary creation in Québec, 2009
  21. ↑ "Mini Tourist Guide Sorel-Sorel Islands Map" . Retrieved August 6, 2011.
  22. ↑ "Carte". www.survoldulacsaintpierre.com.
  23. ↑ "Lac Saint-Pierre et son archipel - Carte plein air du Québec". pleinairalacarte.com.
  24. ↑ "Fiche descriptive". www.toponymie.gouv.qc.ca.
  25. ↑ "Fiche descriptive". www.toponymie.gouv.qc.ca.
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