北极 熊情况报告 北极熊是一个潜在地被威胁的（没危险的） 种类 居住在极地周围北部 。他们是不知道界限的动物 。
他们填塞横跨冰 从俄国到阿拉斯加， 从加拿大到格陵兰和挪威的Svalbard 群岛 。充 分人口调查不存在在哪些根据一个全世界人口估计， 而是生物学家 在加拿大使用或许22,000 头到25,000 头熊一个运作的图与大约百 分之六十那些生活 。
在估计是可得到的Arctic 的多数部分， 北极熊 群当前被认为是稳定 。计数正在减少在Baffin 海湾和迪维斯海峡 ， 大约3,600 头熊被认为居住， 只是增加在Beaufort 海， 有大约 3,000 头熊 。
在60 年代和70 年代， 北极熊是在这样的严厉生存压力下 地标国际协议被到达， 尽管冷战的紧张和怀疑 。关于北极熊的保护 的国际协议被签署在奥斯陆， 1973 年11月15 日， 由五个国家与北 极熊群（加拿大， 治理格陵兰那时， 挪威， 美国，和前苏联） 的丹麦。
北极熊国家同意禁止北极熊任意， 无条理的体育狩猎和置 之法外狩猎熊从航空器和icebreakers 象有是惯例 。这个协议并且 迫使各个国家保护北极熊denning 的区域和迁移样式和举办研究与 北极熊保护和管理相关 。
终于， 国家必须分享他们的北极熊研究研 究结果与彼此 。北极熊专业人员小组的成员科学家见面每三到四年 在IUCN 世界保护联合的恩惠之下协调他们的对北极熊的研究遍及 Arctic。
与协议生效， 北极熊群慢慢恢复 。奥斯陆协议是一的当中 一个和多数成功的国际保护措施立法在21 世纪 。
7.怎样用英语介绍北极熊Polar Bears and Conservation Page 1 of 3 Click image to enlarge. Polar Bear Status Report Polar bears are a potentially threatened (not endangered) species living in the circumpolar north. They are animals which know no boundaries. They pad across the ice from Russia to Alaska, from Canada to Greenland and onto Norway's Svalbard archipelago. No adequate census exists on which to base a worldwide population estimate, but biologists use a working figure of perhaps 22,000 to 25,000 bears with about sixty percent of those living in Canada. In most sections of the Arctic where estimates are available, polar bear populations are thought to be stable at present. Counts have been decreasing in Baffin Bay and the Davis Strait, where about 3,600 bears are thought to live, but are increasing in the Beaufort Sea, where there are around 3,000 bears. In the 1960s and 1970s, polar bears were under such severe survival pressure that a landmark international accord was reached, despite the tensions and suspicions of the Cold War. The International Agreement on the Conservation of Polar Bears was signed in Oslo, November 15, 1973 by the five nations with polar bear populations (Canada, Denmark which governed Greenland at that time, Norway, the U.S., and the former U.S.S.R.). The polar bear nations agreed to prohibit random, unregulated sport hunting of polar bears and to outlaw hunting the bears from aircraft and icebreakers as had been common practice. The agreement also obliges each nation to protect polar bear denning areas and migration patterns and to conduct research relating to the conservation and management of polar bears. Finally, the nations must share their polar bear research findings with each other. Member scientists of the Polar Bear Specialist Group meet every three to four years under the auspices of the IUCN World Conservation Union to coordinate their research on polar bears throughout the Arctic. With the agreement in force, polar bear populations slowly recovered. The Oslo agreement is one of the first and most successful international conservation measures enacted in the 21st century. 。
8.用英语写出北极熊的一些资料Polar bears live in the Arctic. They do not stay in one place. They travel across the snow and pack ice looking for food. Sometimes they swim far out to sea. Polar bears are the largest bears in the world. Adults weigh 650 to 1100 pounds (295 kg to 498 kg ) Males are larger than females. A polar bear's coat can be from white to yellowish in color.When the bears come ashore in the summer they eat plants and berries. In late summer and early autumm the bears go along the coastline looking for dead whales and dead walruses. They also eat lemmings, arctic foxes and birds.Their favorite food is the ringed seal. The polar bear waits by the seal's breathing holes in the ice and quickly snatches the seal when it pokes its head out of the hole. Polar bears are able to swim in the icy Arctic Ocean without freezing. They have thick oily fur coats and a layer of fat under their skin. When bears comes out of the water they shake the water off their coats. The bear's large feet are like snowshoes. The hair on the soles of its feet help the bear walk on the slippery ice and snow. The bear walks with toes pointing inward to avoid slipping. Polar bears are good swimmers. They paddle with their front legs and use their hind legs as rudders. The polar bear has a very good sense of smell and can sniff dead animals from far away and can find seals in dens beneath the snow.The polar bear's huge teeth are for tearing the prey apart. The polar bear is so strong it can kill an animal with one blow to the head.The female ususally has two cubs. Sometimes she may have three. When the cubs are born they are very tiny. They weigh less than less than a kilogram (less than two pounds). The cubs are hairless, blind and deaf. The mother can hide them in between the toes of her front paws. In November or December the cubs are born in dens in the snow. They stay in the den for about three months. The cubs are safe and protected from the cold and the wind. The mother feeds them milk but she has nothing to eat. The mother and her cubs leave the den in March or April. The cubs stay with their mother for about two years. In one year the cubs are as big as a person. A female polar bear gives birth every third year. Sometimes polar bears go into towns and villages. They can break into buildings to find food. Polar bears are found near the town of Churchill ( Canada ). They search for food at the garbage dump outside of town. Sometimes they go right into the town. Bears that raid towns are not shot, but caught and taken back to the wild. The polar bear eats the seal's skin, fat and internal organs but not the meat. Most northern countries have laws to protect the polar bear. Hunters are still able to kill a few each year. 。