cold deserts

 COLD DESERTS
 in the cold deserts ....
 1º cold deserts are found in the ANTARTIC, GREENLAND,NORTHERN and WESTERM CHINA,TURKESTAN,IRAN and the NEARCTIC AREA.

2º CHARACTERISTICS

• large amount of snowfall in winter (and sometimes in summer),plus a high average of rainfall (15-26 cm.) occurring mainly in April and May or autumn, depending upon the area .
• short, wet moderately warm summers.
• mean average winter temperature -2 to 4ºC.
• mean average summer temperature 21-26º
• heavy, relatively porous soil with a lot of silt and salt 
• good drainage to leach out most of the salt.

3ºANIMAL ADAPTATIONS

deer inhabit some of these areas onlyin winter, having grown a thick fur coat, and then migrate in the summer season, after shedding this coat.

small mammals such as kangaroo rats, kangaroo mice, pocket mice, grasshopper mice, antelope ground squirrels, badger, kit fox and coyote, as well as several lizards, all dig burrows to wait out the cold weather.

4º PLANT ADAPTATIONS

two examples of heavy salt concentrations are the Great Salt Lake of the western United States and Iran, Aghanistan and Pakistan.

plants can vary from heights between 15 cm. and 122 cm,depending upon the area. Most shed their leaves (deciduous) and have spiny leaves. Ground cover such aslichens, are found in areas such as Torgerson island, Artarctica and cover much of the ground, whereas in other areas the plants are found quite apart from each other.

5º FUN FACTS

•  cold deset are the environment has 10 inches or snow per year.
• it never rises 50 degrees in summertime.

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