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The Physical Regions of Canada Pages 16-24 Second Place is Not the First Loser! • Largest country in the Western Hemisphere • world's second-largest country by total area and the fourth-largest country by land area • Canada's border with the United States is the world's longest land border. Defining Factors of a Natural Region • Each region of Canada has very different geological features - Landforms Climate Vegetation Wildlife (some similarities due to migration and movement by displacement) Appalachian Region • Extension of Appalachian mountains • varied landscape of rolling hills, valleys, and small mountains, highlands, and coastal fjords (mountains worn down by glaciers and millions of years of erosion) How Was It Formed • The terrain was formed from tectonic movements between 480 and 280 million years ago. • Sedimentary rock reveals deeply buried structures, changes in vegetation, and Igneous rock which demonstrates volcanic activity Vegetation and Resources • Heavily forested with coniferous and deciduous trees. • Rich in deposits of coal, minerals such as iron, lead, and zinc, forests, and fishing resources The Canadian Shield Region • It is the largest physiographic region in Canada, comprising 32 per cent of the land surface. • Stretches from the arctic islands to the US boarder to Newfoundland How Was It Formed • The Shield was once a volcanic mountain range that has been eroded and worn down by retreating glaciers to form a landscape of flat rocks, lakes, and wetlands Vegetation • Mostly trees grow in the Canadian Shield. • south the trees get bigger and move closer together. • north the trees get smaller and move apart. • northern part doesn’t have any forests. Resources • One of the world’s richest areas for mining • valuable minerals such as copper, gold, lead, diamonds, platinum, and nickel The Arctic Region • The Arctic region includes plains, lowlands, and mountains • The Inuit are facing territory loss due to the melting permafrost • Facing increased pressure to allow oil tankers to sail through arctic passage How It Was Formed? • Glaciation over much of northern Canada formed a landscape • mountains formed by tectonic pressure at the northeastern edge of the Canadian Shield pushing up sedimentary rock Vegetation and Resources • treeless because of its low temperatures and short growing season. • Moss and shrubs are the dominant flora • Deposits of uranium, nickel, copper, zinc, silver, gold and diamonds • Oil and natural gas have been found under the Arctic Ocean and islands. The St. Lawrence Lowlands • The St. Lawrence Lowlands are between Lakes Huron, Erie, and Ontario and extend along the banks of the St. Lawrence River to Quebec City How It Was Formed? • Formed mainly by retreating ice sheets during the last ice age • These ice sheets pushed soils from the shield onto the lowlands • As the ice sheets melted giants lakes were formedThe Great Lakes! Vegetation and Resources • Most of the forests are very old, and contain a variety of different types of deciduous and coniferous trees. • Trees grow very large here because of the hot weather. • rich fertile soils to grow - vineyards, wineries, and orchards of peaches, apples, and cherries. The Interior Plains • The Canadian Interior Plains region stretches from the Canadian Shield to the Cordillera mountains - Prairie lands How It Was Formed? • formed as soils carried by rivers from the Canadian Shield were deposited forming layers of sedimentary rock • millions of years ago, plant and animal remains were pressed between the sedimentary rock forming large fossil fuel deposits Vegetation and Resources • Some of the best farming soil in the world • grow oats, barley, wheat and different types grass. • Trees such as fir, pine and spruce. • mineral resources such as salt, oil, natural gas and coal. The Cordillera: We Live Here!!!!!! • The Cordillera includes British Columbia, the Yukon, southwest Alberta and part of North West Territories. • Made up of parallel mountain ranges separated by a series of plateaus, trenches and valleys - Includes dormant volcanoes, glaciers, and ice fields How It Was Formed? • The Rocky and Coastal mountains are the youngest landforms in Canada • Formed when plate collision caused the earth’s crust to buckle, pushing and folding volcanic rock into mountains Vegetation and Resources • Vegetation ranges from alpine tundra to coastal rainforest to grasslands and savannah forests. • Rich in minerals such as copper, gold, and coal. • Other resources include forestry, fishing, and rich soils