{"id":10914,"date":"2022-03-15T15:39:19","date_gmt":"2022-03-15T15:39:19","guid":{"rendered":"https:\/\/blog.cwf-fcf.org\/?p=10914"},"modified":"2022-03-17T12:48:04","modified_gmt":"2022-03-17T12:48:04","slug":"meet-the-neighbours","status":"publish","type":"post","link":"https:\/\/blog.cwf-fcf.org\/index.php\/en\/meet-the-neighbours\/","title":{"rendered":"Meet the Neighbours"},"content":{"rendered":"

When climate change rears its ugly head it makes new neighbours out of species that really shouldn\u2019t be sharing pace with<\/h2>\n

We know climate change is having many impacts on the world from increased global average temperatures, warming oceans, rising sea levels, and an increase in the frequency and intensity of extreme weather events. But it\u2019s also creating new neighbours. That\u2019s right \u2013 some species are responding to the changing conditions by shifting their ranges and coming in contact with species they wouldn\u2019t normally meet. While this can be beneficial for some species, it can be harmful for others. Let\u2019s take a look at some new animal pairings and see who\u2019s faring better.<\/p>\n

Meet Your New Neighbour \u2013 the Killer Whale<\/h3>\n

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There used to be parts of the Arctic Ocean that Killer Whales didn\u2019t normally access. You see, Killer Whales tend to avoid ice. Their dorsal fin makes it difficult for them to swim through icy waters. However, with sea ice melting, more Killer Whales are not only venturing further north, they\u2019re also spending more time there<\/a>. But the welcome mat isn\u2019t necessarily being rolled out. There are prey species that used to depend on sea ice to keep Killer Whales at bay \u2013 species like Bowhead Whales, Gray Whales, and seals – species that are now more vulnerable to Killer Whale predation. And we can\u2019t forget about Narwhals. A study<\/a> shows that Killer Whales are changing the behaviour and distribution of Narwhals, forcing them closer to shore to avoid predation and further away from the fish they rely on.<\/p>\n

Meet Your New Neighbour \u2013 the Polar Bear<\/h3>\n

<\/p>\n

What happens when Polar Bears move south as Arctic sea ice thins and Grizzly Bears move north? You get something called a pizzly bear or a grolar<\/a> \u2013 the result of a grizzly and a polar bear mating. While the first hybrid was seen in 2006 in the Northwest Territories, sightings have been increasing. The question that remains is will the fertile hybrids become more dominant and if so, what impact will this have on already vulnerable Polar Bear populations?<\/p>\n

Meet Your New Neighbour \u2013 the bass<\/h3>\n
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Largemouth Bass<\/figcaption><\/figure>\n

Bass are taking advantage of warmer water temperatures in northern Ontario. Largemouth Bass, Smallmouth Bass and Rock Bass, typically southern Ontario species, are moving north into what were once uninhabitable lakes. And they\u2019re not alone. According to this article<\/a>, Brown Bullheads, Bluegill and Pumpkinseed Sunfish are joining them. What happens when these species expand their range? Data is showing that bass are wreaking havoc on populations of Fathead Minnows and Redbelly Dace. Brook Trout are having a hard time competing with Smallmouth Bass once this intruder becomes established.<\/p>\n

Meet Your New Neighbour \u2013 the Red-bellied Woodpecker<\/h3>\n
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Male Red Bellied Woodpecker sits perched on a branch in the forest<\/figcaption><\/figure>\n

Birds are also undergoing range shifts with climate change cited as one of the reasons for the movement. One of these species is the Red-bellied Woodpecker<\/a>. Originally found in southeastern and central United States, they can now be found in southern Ontario. There is some concern that they could displace not only other species of woodpeckers but other birds as well as they compete for food and habitat.<\/p>\n

Meet Your New Neighbour \u2013 the shrub<\/h3>\n

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And we can\u2019t forget about plants. Yukon\u2019s arctic tundra region is now seeing an encroachment of shrubs, a phenomenon that has its own verb – shrubification. This is providing habitat not only for species from southern Canada moving north but also for northern species now able to access areas they normally couldn\u2019t before.<\/p>\n

Meet Your New Neighbour \u2013 the Moose and Beaver<\/h2>\n

<\/p>\n

Moose<\/a> are now found in the Yukon\u2019s north slope region, a species that wasn\u2019t there in the 1990s. Beavers<\/a>, an animal you wouldn\u2019t expect in the treeless tundra, are now found there. While there are many species that will benefit from the encroachment of woody vegetation, other species may not fare so well. As beavers dam rivers, streams will be blocked that could prevent fish from reaching their spawning grounds. We\u2019ll have to wait and see what other impacts may come as a result of the establishment of this new neighbour.<\/p>\n

While the direct impact on ecosystems may not be fully understood as species shift their ranges in response to a changing climate, there is one thing most can agree on – there will be winners and losers. Some will be able to adapt to the changes, some will even thrive, but others won\u2019t adjust so easily, some may even disappear.<\/p>\n","protected":false},"excerpt":{"rendered":"

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