To keep invading trees out.
Usually lightning caused fires. In reality the fires were good for the prairies because the grass seeds were released. Some Native American tribes would start fires to move the buffalo toward them so they could hunt them.
Periodic fires are extremely important in grasslands. Many plants of the prairies have developed heat-resistant seeds that need the heat in order to germinate. Some other plants have very deep root systems that have adapted to be capable of surviving the fires.
to stop the sea from getting to the villages behind the dunes
On the dunes where fires cant start... And during winter months
Cattle rearing is an important occupation in the prairies of North America because it provides people with food. The prairies have plenty of grassland to feed the cattle and the temperatures are usually temperate.
The central lowland region is primarily tall-grassland prairies due to its fertile soils, periodic fires that maintain the grasslands, and optimal growing conditions for grass species like big bluestem and switchgrass. The region's climate also supports the growth of grasses over trees, creating the ideal conditions for prairies to thrive.
sand dunes important in tornadoes as when the tornadoes come the high pressure wind take it to the direction where the wind is blowing
Peter James Murphy has written: 'History of forest and prairie fire control policy in Alberta' -- subject(s): Forest fires, Fires and fire prevention, Prevention and control, Prairies
Calgary, AL, Canada. :0)
The area becomes the Prairies of Canada We make that distinction as there are important differences between the plains and prairies even though they are connected.
Yes, Florida does have prairies, the Paynes and Kissimmee prairies.