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Landscapes of the Richelieu Catchment Area

Click here to see the map of ecological sites

The Bas-Richelieu is made of only 17 % of wooded land. The rest is made of plains, occupied by humans and by agriculture. There is a natural zone of interest, integrated to the world UNESCO reserve: the St-Pierre lake.

The vallée-du-Richelieu is mainly constituted with plains.The plain lines the river Richelieu, and at the top of the plateaux, we can find the Montérégiennes wooded hills. There is also the Rougemont mount and the Saint-Hilaire mountain (recognized by UNESCO as a world heritage). 40 % of the river banks are kept in their natural state.

The Haut-Richelieu is also made mainly of plains and agriculture cultivation.

The basin land can be divided in five big types of landscapes :

Agricultural landscapes : around 73 % (the cultures are cereals, soya, corn, hay, pasture lands and fallow land.

Urban landscape : around 6 %

Forests : 18 %

The forest area is reduced little by little each year. This phenomenon appeared after the economic growth of the beginning ofhe XIXth century. In the XXh century, the cultivation areas get wider, the road nework develops and the number of houses gets higher, and the forest zones get smaller.

Click here to see the map of deforestation

Water and wetlands : 3%

Marshes and peat lands 1%



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