landforms the prairies are a vast area of flat sedimentary land. they stretch from ontario (canadian...
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LandformsThe prairies are a vast area of flat sedimentary land. They stretch from Ontario (Canadian Shield) to the Canadian Rockies. The prairies cover most of Alberta, Saskatchewan and Manitoba.
There are 3 types of grassland prairies in Canada. They are characterized by their geographic distribution and plants.
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Mixed Prairie (yellow)• Mixed Prairies have medium height
grasses (Needle and thread, Western porcupine grass and Western and Northern wheat grass).
• There are also short grasses and sedges including Blue grama grass, June grass, and Thread-leaf sedge.
• These short grasses take over where ever there is limited amount of moisture or overgrazing.
• There was originally 24 million hectares of Mixed Prairie in Canada today there is an estimated of 24% of this area remained
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Fescue Prairie (pink)
• The 2 most striking features of this type of prairie is its colour and luxuriance
• During some seasons the prairies becomes a veritable flower garden.
• On average fescue prairies will produce twice as much forage as the most productive Mixed Prairie. Fescue grass can be eliminated easily if overgrazed.
• Fescue Prairies occupies a moister environment.• The prairie extends southward along the Alberta
foothills and into the drier Milk River ride, Touchwood Hills and the Manitoba Escarpment.
• It was once extending over 255,000 square kilometers today there is less than 5% left.
• Is an endangered ecosystem.• Little Fish Lake-Hand Hills block (315 square
kilometers) is the only piece of Fescue Prairie left.
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Tallgrass Prairie (green)
• Takes its name from the tall grass which grows over one meter high
• The main range is the 6,000 kilometer plain centered in the Red River Valley in Manitoba.
• The grassland is disappearing. It is the most rarest prairie in Canada.
• It is very hard to identify due to heavy grazing, and plants taking over.