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Transcript of Canadian Shield
mixed forest TREK Socials 2013 Topography Geology Vegetation - Central and Northwestern parts of the Canadian Shield are low and flat
- Northeastern parts contain mountains (elevation up to 2,590 meters)
- Southern parts have lowlands and plains Northern boundary is the Arctic Archipelago
Eastern boundary is Labrador
Southern boundary is Wisconsin and New York
Western boundary is Western Northwest Territories - Rocks are aged up to 600 million years
- Most of the rocks are igneous rocks (linking back to the volcanic history)
- Ancient crystalline rocks
- Thin layer of soil
-Landscape within the Canadian Shield is a result of ice (ice moved towards the South, taking with it weathered rock) Canadian Shield Location Rock Barrens where Mountain Avens and Purple Saxifrage grow Polar deserts where Lichens are the only survivors Verdant Wet Sedge Meadows Willows Coniferous Trees including: white spruce, black spruce, balsam fir and jack pine
Deciduous Trees including: aspen and white birch Provinces and Territories included in the Canadian Shield: Alberta
Newfoundland States part of the Canadian Shield Minnesota
New York People and Culture - In Pre-European times, the Canadian Shield was home to the Algonquian Nomadic Hunters
- Natives still living within the Canadian Shield are Athapaskan and Algonquians The major cities in which people live in are : Thompson
Timmins About Canadian Shield is also known as the Laurentian Plateau 4,827,738 square kilometers (48% of Canada's area) of the Canadian Shield are in Canada History Large impact on the settlement and economic development Abundant fur-bearing animals = base of the economy until the early 1900s Barriers to early settlement were bare rocks, thin soils, insects, muskeg (wetlands, very porous, not firm) - Logging and Mining = top 2 occupations Cities/Towns - Many extinct volcanoes Most people living in the Canadian Shield, live in the South as the conditions in the North are a lot harsher (colder winters) Climate Horseshoe shaped around the Hudson Bay Three main vegetation zones: Tundra zone - North of treeline
- Small shrubs and plants
- Some places = no vegetation Boreal Forest Zone Deciduous Trees Mixed Forests - Coniferous and Deciduous Trees
- Receives most precipitation
- Ferns and Wildflowers Coniferous Trees Sudbury
Thunderbay - Three main climate zones:
Laurentian Arctic: cold and dry all year, short summers with lots of daylight, long winters with lots of darkness Boreal: long and cold winters, short and warm summers, less precipitation in the North in comparaison to the South Laurentian: cold and snowy winters, warm/hot summers, mild temp. in spring and fall, lots of precipitation - Lots of lakes, rivers and streams Project by: