Landform Regions of Canada. Canadian Geography 11 PowerPoint Presentation . Canada is a land of great physical diversity. Perhaps this is not surprising since Canada is the world’s second largest country, and has the world’s longest coastline.
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Canadian Geography 11
Vegetation in the Canadian Shield is mainly coniferous forests. In the south the trees are larger and closer together. As you go north, trees are smaller and not as dense. There is eventually a spot up north in the Shield that doesn’t have any forest; this is again in the tundra.
Shown above is a coniferous forest located in the middle of the Canadian Shield.
There are three lowland regions surrounding the Shield: the Great Lakes-St. Lawrence Lowlands, the Hudson Bay and Arctic Lowlands.
The bedrock under these lowlands is formed mainly of sediments eroded from the Shield. The sediments were laid down in the seas that existed at various times millions of years ago. As the rock particles collected, the weight of the upper layers compressed the lower layers into sedimentary rocks.
Canada’s three highland areas lie to the east, north, and west of the Shield and lowland areas.
Each of these three striking, mountainous areas – the Appalachians, the Innuitians, and the Western Cordillera – has a different geological history and appearance.