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New Mexico's Life Zones
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New Mexico's
Life Zones
A life zone is an area that shares common characteristics such as types of plants and animals.
Life zones change according to elevation and altitude.
There are 6 life zones found in New Mexico.
Lower Sonoran
2,817-5,000 ft
Low desert with mesquite, cottonwood trees, and cactus
Lizards, snakes, and mice live here.
Upper Sonoran
5,000-7,000 ft
Ranching and farming
Juniper, pinon trees, sagebrush
Mule deer, coyotes, and prairie dogs
Transition Zone: 7,000-9,000 ft
Major timber zone (lots of trees)
examples: ponderosa pine & scrub oak
Mountain lions, bears, and elk live here.
Canadian: 8,500-11,500 ft.
Snow melt from this area is important to water supply
Life found in this zone: aspen trees, Douglas fir, and spruce
Elk, deer, chipmunks, & squirrels
Hudsonian 11,500-12,500 ft
Narrow zone at the timber line.
Summer = grazing lands
Siberian juniper trees & mountain sheep live here
Arctic-Alpine: Above 12,500 ft
Smallest zone: Above the tree line
Hardy grasses and flowers grow here in summer
Mountain sheep & Bighorn sheep visit here in summer
We are going to be studying the early peoples that lived on this land before us and our ancestors :)
CONTINENTAL DIVIDE
- It is a divide separating river systems that flow to opposite sides of a continent.
- In North America, it is the line of summits of the Rocky Mountains, separating streams flowing toward the Gulf of California and the Pacific from those flowing toward the Gulf of Mexico, Hudson Bay, and the Arctic Ocean.
- The continental divide is a boundary in the U.S. .
- Rivers on the West side of the Continental Divide flow from East to West and end in the Pacific Ocean.
- Rivers on the East side of the Continental Divide flow from West to East and end in the Atlantic Ocean.
What is a life zone?