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Exploring Extreme Environments: Deserts

my project for tech

penelope vella

on 23 February 2011

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Transcript of Exploring Extreme Environments: Deserts

Deserts http://www.harcourtschool.com/activity/exploring_ecosystems/desert.html
Deserts are the driest places on Earth. A desert is an ecosystem where there is very little rainfall. Most deserts get less than 25 cm of rain each year. Things in the desert need very little water to live. The Sonoran Desert, Arizona Upland
There are only two kinds of deserts, hot and of course cold deserts. Hot deserts can have temperatures alot over 43°C during the day. Night temperatures will drop to about 7°C. Even winters are also mild, with temperatures usually above freezing.

Usually cold deserts have freezing temperatures and blizzards in the winter. But in the summer, they get as hot as hot deserts.

The Sonoran Desert is a hot desert located in parts of California, Arizona, and Mexico. It is divided into several regions. Its northeastern region is called the Arizona Upland. Different plants in the Arizona Upland
Low-lying trees, thorny shrubs, and cacti are common in the Arizona Upland region of the Sonoran Desert. The saguaro cactus grows only in the Sonoran Desert and you can find it everywhere in this region but not on valley. This area is called the saguaro-paloverde forest the reason is because of the saguaro cacti and the paloverde trees. Living Parts of the Sonoran Desert, Arizona Upland
Javelinas, desert tortoises, kangaroo rats, snakes, birds, coyotes, and lizards these animals are living in the Arizona Upland.
Before native Americans were living in the Arizona Upland region of the Sonoran Desert way more than a thousand years ago. Today, people still live throughout this area. Tucson, Arizona, a large city, is found in the Arizona Upland region. Nonliving Parts of the Sonoran Desert, Arizona Upland
The Sonoran Desert, Arizona Upland

The Arizona Upland region is both the highest and the coldest part of the Sonoran Desert. There are mountain ranges and valleys in the area.
There are five seasons in the Arizona Upland Region: fall, winter, spring, the foresummer drought (from May through June), and the rainy season (from July to mid-September). During the rainy season, there is about 13 cm (5 in.) of rain. That is not much rain, it is more than a third of the rain that falls all year. There is sometimes both rain and frost in the winter. Living and nonliving parts of the desert ecosystem interact. The living things have interesting adaptations to the scarce water and to the extreme heat.

Different plants in the Desert Environment
The saguaro cactus is found only in the Sonoran Desert. Its thick green stem stores water. Photosynthesis takes place in the outer layer of the stem. The roots are very shallow and very long. To soak up water when it rains they spread far from the cactus . The saguaro cactus is grows slow and can live alot longer than 200 years! The saguaro cactus blossom is Arizona's state flower. The Sonoran Desert, Arizona Upland Ecosystem Many different types of plants and animals live in the Arizona Upland region of the Sonoran Desert. Here are my facts on Deserts The reason why humans would choose to explore or venture the desert is because there is a extraction of natural gas and oil and has brought people to the deserts http://geography.howstuffworks.com/terms-and-associations/desert5.htm pro's and con's of a desert
Nature/Hiking/Mild Winters
Higher Education/Healthcare/Public Transport
Desert Solitude
people provide protection from one nation to another
The heat
the lack of water
pedastrian unfriendly

http://www.mysteriesofcanada.com/BC/deserts.htm there are 3 desert type areas in western canada. the Thompson river valley, Osoyoos, and Southeastern Alberta bad lands. tp://en.wikipedia.org/wiki/Gobi_Desert Technoligies for people to survive in the desert

Their cell phone
A wooden or plastic comb to get out cholla stuck in you
A space blanket
A small container of asprin
Hard candies & energy bars
A small compass and mirror
A small pamphlet on emergency care
Matches and a small flashlight http://www.tortolita.com/survival.html things that are simillar and disimilarr to space and deserts Similar
one thing that is simillar with space and deserts is that the planet mars is really hot like the desert and mars is dry and arid. canadians contributed "The Alouette" 1t was the first satellite launched by a country other than the United States or Soviet Union. http://en.wikipedia.org/wiki/Canadian_Space_Agency http://www.esa.int/esaCP/SEM0TB6Y3EE_index_0.html The Europian space agency has developed and inflatible tent called "The Desert Seal" it only holds one person and it is easy to setup and transport. Canadians are interested in researching deserts because people would like to know what goes on there and what different things you can find there like In the gobi desert they find many different fossils and sometimes dinasour eggs. Bibliography why would people explore deserts Life in the desert Are there any deserts in canadas Disimilar
One thing that is dissimilar with space and deserts is that on mars there is no gravity and in the desert there is gravity
Technology designed for space but used in deserts what canadians have contributed Why would canadians be interested in reseaarching deserts Events
The reason why humans would choose to explore or venture the desert is because there is a extraction of natural gas and oil and has brought people to the deserts Why do humans want to explore deserts Thank You
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