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The Portal of Life on Earth. Pictures and articles about biomes on http://goo.gl/ZkZz7 Visit us! Find us! Facebook: http://facebook.com/bioexpedition Twitter: http://twitter.com/bioexpedition Youtube: http://youtube.com/bioexpedition Pinterest: http://pinterest.com/bioexpedition

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The tundra biome is an ecosystem situated near the North Pole in the Arctic Circle.

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The Tundra takes up 20% of the Earth.

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The tundra is the coldest of the biomes. The average temperature in the tundra is around-18 degrees F which is around -27 degrees C.

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Arctic fox known to be in Canada Alaska Greenland Iceland Russia

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Tundra is threatened by airborne pollutants, oil and gas development, and global warming.

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Animals have adapted to the tundra by developing warm winter coats, compact bodies to preserve heat, and camouflage for different seasons.

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Hey youtube Aly here :) so, this isn't one of our normal covers as you can tell (I'm hoping). This was just for a science project we had to do on a specific biome.

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Plants survive the harsh conditions of the tundra by going dormant through winter,k growing protective coatings, or retaining old leaves for nutrition.

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The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land .

The tundra is a very fragile biome that is shrinking as the permafrost melts.

Plants that grow in tight groups to protect themselves from the cold are sometimes called cushion plants.

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Human Activity

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by William Jensen

The tundra consists of very cold regions in the far northern and southern parts of the world. Despite frigid temperatures and minimal precipitation, some plants, animals and humans do live in the tundra. A variety of resources and wildlife can be found there, attracting people from around the globe. Others seek to study or photograph the tundra's unique characteristics. Although the tundra climate proves far from desirable for agriculture or logging, a variety of human activities regularly occur there.

Farming

The summer growing season remains very short in the tundra climate, so most farming is livestock-oriented. People in some far northern regions operate sheep, cattle or reindeer farms, according to the Encarta Encyclopedia. Such animals eat small plants that grow in these areas. Encarta indicates that human activities can easily damage the ecosystem of the tundra; it's important for farmers to avoid causing excessive harm to the environment.

Hunting

Both natives and foreigners conduct hunting activities in the tundra. They hunt caribou, musk ox and other animals, according to the High Arctic Lodge. The lack of trees means that hunters do not apply the same techniques they use in many parts of the world. ThinkQuest indicates that over hunting seriously endangers some species in the far north, especially musk oxen. Some hunters are drawn to the tundra to find species that seldom or never appear elsewhere in the world.

Mining

Drilling and mining activities also occur in the tundra. Canada, Greenland and Russia conduct mining for various resources, such as nickel, according to ThinkQuest. Canada and the U.S. drill for oil in the tundra, as well, sometimes exporting it to other countries. These activities have caused significant environmental harm. The lack of large human populations in tundra areas helps oil and mining companies to avoid scrutiny. However, corporations and governments have faced increasing pressure from environmentalists to protect the arctic from further harm.

Other Activities

People also visit the tundra as tourists and engage in activities such as mountain climbing. Some scientists travel to tundra regions to study climate, wildlife and other subjects. Workers construct buildings and infrastructure from time to time. The small human population that lives in the tundra carries out day-to-day activities such as buying groceries, going to school, listening to music, cooking and so on.

About the Author

William Jensen began his writing career in 2007. His work has appeared on various websites, covering currents events, technology and other topics.

Photo Credits

Photos.com/Photos.com/Getty Images

Copyright © Leaf Group Ltd., all rights reserved.

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The tundra consists of very cold regions in the far northern and southern parts of the world. Despite frigid temperatures and minimal precipitation, some plants, animals and humans do live in the tundra. A variety of resources and wildlife can be found there, attracting people from around the globe.

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Location:found in the northern and southern hemispheres between the ice-covered poles

stretches across northern Canada and Alaska, Siberia and northern Scandinavia

Climate:  The average temperature rises above 0°C  but none experience averages higher than 10°C

Vegation: Permafost  (frozen soil) prevents any trees from growing here .

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short video on tundra climate

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I hope this video help you tu know a littlebit more about the tundra, I hope you like it!

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Global warming in Tundra climate

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Global Warming Pushing Trees into Tundra

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"The Arctic is on the move. The North Pole is in the same place, but Arctic conditions have begun to shift. A study of 30 years of satellite data confirms that the difference in temperatures between the seasons has diminished. Conditions now have shifted the equivalent of four or five degrees of latitude southward.

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Global Warming Pushing Trees into Tundra

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"The Arctic is on the move. The North Pole is in the same place, but Arctic conditions have begun to shift. A study of 30 years of satellite data confirms that the difference in temperatures between the seasons has diminished. Conditions now have shifted the equivalent of four or five degrees of latitude southward.

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Geography

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