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geography

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saja charaf

on 19 November 2012

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Transcript of geography

Polar Bears By: Kawsar Charaf Y E A R 8 The End Threats and issues surrounding the conservation of the species Lately, the number of polar bears has gone downhill. This has happened for numerous reasons. For one thing, people have hunted these magnificent marine creatures for sport. Global warming has wounded the polar bears which lead to passing away. As global warming makes the Arctic’s ice melt, it becomes harder for the bears to locate and execute seals. Several bears have drowned for the reason that they have to swim a great deal further between ice floes. Oil and gas companies have come to places where female bears once built their dens. Pollutants from around the world have washed up to the arctic, as well. All these things mean trouble for the polar bears as it can lead to instinction over the next 45 years or so. (cc) photo by medhead on Flickr A description of the species and current status Numerous adaptations exclusively suit polar bears to life in icy habitats. Their fur is thicker than any other bears and covers even their feet, for warmth and traction on ice. A thick layer of blubber, or fat, beneath their fur provides buoyancy and insulation. People often think polar bears are white, however a polar bears skin is black, and its fur is made up of clear, hollow hairs. The extended neck and narrow skull of the polar bear probably assist in streamlining the animal in the water, and the front feet are large, flat and oar like. The polar bear is an excellent swimmer and has webbed feet. individuals have been seen in open Arctic waters as far as 320 km from land. Polar bears feed almost exclusively on ringed seals and, to a slighter extent, bearded seals. Polar bears travel immense distances in search of prey. These animals live in the arctic, near the North Pole. Parts of Russia, Norway, Greenland, Canada, and Alaska are in the arctic. Polar bears are found in all these places. Polar bears are endangered species as to global warming. the cause of this is the use of factories, cars and the list goes on. and because of this the earths climate heats up which allows the ice in the arctic to dissolve. RUSSIA NORWAY GREENLAND CANADA ALASKA Polar bears inhabit arctic sea ice, water, islands, and continental coastlines. Polar bears live on the annual arctic sea ice that provides a platform from which they can hunt, live, breed, and in some cases create maternal dens.Polar bears are found throughout the circumpolar Arctic. Polar bears have been reported almost as far north as the pole. However, scientists believe few bears frequently enter the areas situated north of the arctic ocean and because of this the bears that are situated north have very little food. Distribution and habitat Actions of groups and governments to protect the species WWF is acting to protect the polar bears and have promised to:
1. Reduce greenhouse gas emissions and mitigate climate change.
2. Promote sustainable tourism
3. Protect the habitat critical to the bears' movement and reproduction
4. Prevent or remove direct threats from industrial activity, like oil and gas development and arctic shipping.
5. Engage with indigenous and local communities to reduce human wildlife conflicts and work towards sustainable development opportunities
6. Fund field research by the world's foremost experts on polar bears to find out how global warming will affect the long-term condition of the polar bears.
7. Manage solutions that address the major threats of climate change and industrialisation of the Arctic.
As most of us humans know the governments AREN`T really doing anything in order to protect the endangered polar bears and so it is up to us to protect them. polar bear attacking a walrus Bibliography 1. http://www.wwf.org.au/ 2. http://www.wwf.org.au/news_resources/archives/world_animal_day/some_facts_about_polar_bears/ 3. google images
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