Author: Malorie Macklin / Source: One Green Planet
It seems that every day brings a new discovery regarding the impacts of climate change on our planet. From its contribution to the Sixth Mass Extinction to its threat to coral reefs worldwide, to its impact on animal migration patterns, the negative effects of a changing climate are being seen everywhere.
Not even the farthest reaches of the globe can escape climate change or the damage it brings with it. The melting of sea ice around the Arctic Circle may not exactly be news, but we are only now starting to understand just how destructive these changes can be to wildlife.
As ice disappears in the Arctic Circle, a passage is opening up where marine animals can move between the Pacific and Atlantic Oceans. The warming Arctic Ocean is also inviting new species to the area. The full impacts of this phenomena may yet to be seen, but the prognosis is not exactly a good one.
The Northwest Passage is a pathway through the Arctic Ocean, north of Canada, that passes between the Atlantic and Pacific Oceans. Historically, it has been appealing to shippers and explorers as navigating the icy water could offer an alternate route around North America. However, given the strong presence of dangerous sea ice, the Northwest Passage has rarely been navigated. That is, until recent years.
Since the 1970s, Arctic sea ice has declined by 14 percent. And while the year 2012 set the most recent record summer low of sea ice levels in the Arctic, the region has been on an overall downward trend. November 2015 has shown a growth in sea ice. However, this is expected given the returned winter. The National Snow and Ice Data Center still reports that November 2015 data shows a rate of decline of sea ice at 4.7 percent per decade.
With the opportunity of ice-free sailing in this swath of the Arctic Ocean,
With the opportunity of ice-free sailing in this swath of the Arctic Ocean, shippers are finding benefit in the unfortunate loss of our frozen habitat. And even a yacht race in the once frozen ocean has been proposed for 2017 based on the assumption the region will be hazard-free enough for the event. (Whaaaat?!)
Human activity around the Arctic Ocean is certainly changing along with the terrain, so it’s no wonder the animals in the region are also changing how they interact with their new environment.
The impact of climate change on Arctic sea ice has been pretty well documented over the last few years. The rising concern for loss of habitat for animals like polar bears and walruses has made the daily news on occasion, but these aren’t the only animals that are having their habitat changed under warming skies.
As the ice in the Northwestern Passage melts during the warmer months of the…
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