|
 |
The prairies
The prairies ecozone occupies the southern part of Alberta, Saskatchewan
and Manitoba. The rainshadow cast by the cordillera, combined with high
summer temperatures, explains the dryness of this zone and its lack of
trees.
On the southern fringe, groves of trembling aspen and balsam poplar dot
the prairies; this is what is known as forest parkland, or aspen parkland.
The Manitoba prairies have more frequent rainfall, and hence the natural
vegetation is made up of tall grasses. As one heads westward, the plant
cover becomes shorter and less dense, and is reduced to scrub in drier
areas. Southwestern Saskatchewan and southeastern Alberta even harbour
two indigenous cactus species: the brittle prickly pear and the prickly
pear cactus.
 |
|
Country road, Saskatchewan
©2003 ICN-RCI / Hemera |
|
The prairies teem with small mammals such as prairie dogs, ground squirrels,
gophers, hares and badgers. Today, herds of bison no longer roam the plain,
but sometimes a mule deer, a wapiti, a coyote or an antelope will wander
by.
|