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How Does Global Warming Affect Polar Bears

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Polar bears live in very cold climate, they cannot live in moderate or hot climates, their bodies and all their fur is not made to survive those hot blazing temperatures. “Polar bears are found in very cold climates it is what they need to survive, they are usually found throughout the circumpolar Arctic.” (Polar bears habitat & distribution). “The majority of polar bears are found near land masses around the edge of the polar basin, where the continental shelf can make for idea hunting for the polar bears.” (Polar bears habitat & distribution). “Most polar bears follow the southern edge of the ice pack year-round”. (Polar bears habitat & distribution). “Average Arctic temperatures are -30 degrees in the winter time and usual highs of 32 degrees in the summer”. (Polar bears habitat & distribution). “Most polar bears go to St. James bay because of the cold temperatures and huge ice glaciers”. (Polar bears habitat & distribution). Global warming is playing a huge role in polar bears current life and futures to come. “Global warming is affecting the polar bears the most out of anyone yet, scientists are predicting that two thirds of polar bears will disappear by 2050”. (Global warming & …show more content…

“A mother polar bear with carry a polar bear cub in its stomach for 8 months this time is called the gestation period”. (Polar bears birth & care). “The mothers will give birth to the cubs in a den that they stay in to protect the cubs from the dangerous cold climate temperatures in the winter.” (Polar bears birth & care). “Polar bears cubs are born November through January in their den, the mother and cubs emerge from the den in late March and early April”. (Polar bears birth & care). “Polar bear cubs are born 16-24 oz. when they are just born they also are born with their eyes closed”. (Polar bears birth & care). “Mother polar bears are very protective over their young cubs”. (Polar bears birth &

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The Arctic Tundra is cold and windy. The Arctic Tundra has low precipitation. It only gets less than 10 inches of rain a year. The winds are dry. Having the winds dry and the weather is -30 degrees fahrenheit makes it dry and cold.

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In the article “With Climate Change, Grizzly Bears May Hibernate Less”, the author, Sarah Zielinski, explains the potential effects of climate change on grizzly bears. Zielinski states that climate change could potential cause bears to hibernate less. She also says that this worries scientists because hibernation is a very important time for grizzly bears, it allows them to survive on small amounts of food, because they reduce the amount of energy they use by around 85 percent. In addition, this is the time when females give birth to their offspring. This combined with the hunting of these bears could have a huge effect on the population of them.

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WOW that is a lot of bears . Kermode bears are the rarest bears. They aren’t seen much by humans. About 20 percent is Kermode bears the rest are black bears. Kermode bears are found in Canada Second, Kermode bears are not polar bears or albinos.

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As a consequence, these animals are now forced to spend more time on shore scavenging for food, often going without while awaiting new ice to form in the fall. There is also growing concern for polar bear cubs that are thought to be incapable of swimming the increasingly greater distances in open water between shrinking ice floes. As evidence, they offer the growing number of very young polar bear carcasses that they notice being washed up on shore. Many mother bears also appear to be dangerously thin and less able to fend for themselves and their young. This situation is quite noticeable among polar bears along the western shore of Hudson Bay, especially around the town of Churchill Manitoba, a location where polar bears traditionally spend the late months of fall foraging on shore awaiting the freeze-up, a freeze-up that now comes later each year.

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Animals such as arctic foxes, polar bears, gray wolves, caribou, snow geese and musk oxen live in the arctic tundra year around despite all

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Wow. They live in these areas Northern canada, Alaska, Northern Europe, and siberia (Angela Royston 2014) Cool. Wolves are farther South than North ( Angela Royston 2014) Sweet.

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Sea level is now rising by 3.1mm per year. At this pace, more than 2.5 m sea level rise by 2040. How does climate change affect Arctic animals? Climate change affects Arctic animals drastically by destroying their living habitat and food sources. Polar bears are having a hard time finding food because the ice caps are melting.

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This implies that they cannot survive without the ice. The dependence of the large mammals on the frozen floating homes, especially for the rapid access of ringed seals, indicates their survival and breeding probabilities are based on the sea ice conditions. Due to their remarkable degree of specific adaptations to life on the frozen Arctic ocean, the bears are very successful. As a result of this, the polar bears are more vulnerable to the effect of climate change.(Fitzgerald, Kevin T (2013).

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Climate change, specifically warmer temperatures, has extensively altered these habitats by reducing sea ice extent, thus affecting polar bears since they use it as a platform to travel, hunt, and rest. Changes in the timing of sea ice formation and break up limits the amount of time bears can feed off of seals during late and early summer, hence limiting the amount of fat they are able to store for later seasons. Lower rates of food intake and storage correlates to low reproductive rates, and since females do not have sufficient fat and mass required for successful parturition, they abstain from

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The bold idea to establish grizzly surrogate mothers is one of the strategies proposed to counteract this problem and ensure a long lasting population. Grizzly bears are genetically similar to polar bears but are different because they have adapted to survive in warmer conditions. This is one of the main reasons they are still seen more often today. If the population of polar bears were to drop drastically, then we would be forced to look at the grizzly mothers as one of our only options. The transplant of polar bear embryos into grizzlies is all it would take to keep the declining population at a steady and safe

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