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During the Quaternary period, between 2 and 3 million years ago, the prairies were covered by a glacier, the Laurentide Ice Sheet. Northern hemisphere glaciation during the last ice ages. The accumulation of 3 to 4 kilometres (1.9 to 2.5 mi) thick ice sheets caused a sea level lowering of about 120 metres (390 ft)
The North America Prairies is a large grassland floristic province within the North American Atlantic Region, a floristic region within the Holarctic Kingdom. It lies between the Appalachian Province and the Rocky Mountains and includes the prairies of the Great Plains .
Due to the highly variable climatic regimes across the Great Plains, many aspects of climate change are not expected to affect all areas of the eco-region equally. In regards to precipitation, this means an exacerbation of extremes where dry areas in the south are expected to get drier and wetter areas in the north to get wetter.
The Canadian Prairies (usually referred to as simply the Prairies in Canada) is a region in Western Canada. It includes the Canadian portion of the Great Plains and the Prairie provinces, namely Alberta, Saskatchewan, and Manitoba. [2] These provinces are partially covered by grasslands, plains, and lowlands, mostly in the southern regions.
Wet prairies may form in low-lying areas with poor drainage; dry prairie can be found on uplands or slopes. Dry prairie is the dominant habitat type in the Southern Canadian agricultural and climatic region which is known as Palliser's Triangle. It was once thought to be completely unarable, but is now one of the most important agricultural ...
Get ready for all of today's NYT 'Connections’ hints and answers for #588 on Sunday, January 19, 2025. Today's NYT Connections puzzle for Sunday, January 19, 2025The New York Times.
Okotoks Erratic (also known as either Big Rock or, in Blackfoot, as Okotok) is a 16,500-tonne (18,200-ton) boulder that lies on the otherwise flat, relatively featureless, surface of the Canadian Prairies in Alberta.
The Great Plains (United States) and the Canadian Prairies. The term "Great Plains" is used in the United States to describe a sub-section of the even more vast Interior Plains physiographic division, which covers much of the interior of North America.