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The Interior Plains are highlighted in red. The Interior Plains is a vast physiographic region that spreads across the Laurentian craton of central North America, extending along the east flank of the Rocky Mountains from the Gulf Coast region to the Arctic Beaufort Sea.
Cenozoic vertebrate fossils reveal the geological evolution of the interior plains and its prehistoric biogeography. [2] Today, Saskatchewan's ecosystems range from the sub-arctic tundra of the Canadian Shield in north Saskatchewan to aspen parkland, the Mid-Continental Canadian forests in the centre of the province and grassland prairie. [3]
They have more than 80,000 acres (32,000 ha) enrolled in Block Management Program managed by Montana Fish, Wildlife & Parks. [26] [93] Annual drawings are held for the opportunity to harvest bison. [94] The bison are not considered wildlife to be hunted but as livestock as they roam within the fenced 27,000 acres (11,000 ha) Sun Prairie unit. [95]
Mixed prairie is more common and is part of the dry interior plains that extend from Canada south to the U.S. state of Texas. The northern short grasslands (WWF terminology) shown here on a map of North America in green, is a type of true prairie (grassland) that occurs in the southern parts of the Prairie Provinces.
A number of organizations such as the United States Nature Conservancy and the World Wildlife Fund have begun working together to conserve the threatened desert ecosystem. The less heavily populated areas of the desert are being sought out and conserved in order to prevent future human habitation and disturbance. [ 15 ]
Grasslands were generally dominant within the Interior Plains of central North America but was also present elsewhere. The protected areas for this ecosystem include public nature reserves managed by American, Canadian and Mexican wildlife management agencies, Native American tribes and Canadian First Nations , state wildlife management ...
Texas Parks and Wildlife further acknowledges more than 100 rare, endangered or threatened species on the High Plains, many of which do not formally receive federal protections, contradicting ...
The ecozone can also be described as including the northernmost part of the Interior Plains of Western Canada and parts of the Canadian Shield located on both sides of northern Hudson Bay. It is sparsely populated, with less than 10,000 inhabitants in 17 major settlements, the largest of which is Rankin Inlet. About 80% of the population is ...