A new Arctic Report Card from the U.S. National Oceanographic and Atmospheric Administration (NOAA) has revealed that the wild reindeer and caribou populations have plummeted by more than half over the last two decades. According to the report, the impact of climate change in the Arctic has resulted in the reindeer population falling from 5 million to 2.1 million.

The report found that the weather patterns and vegetation changes in the Arctic tundra have had a major negative impact on the reindeer, and the wild herds in northern Canada and Alaska have been hit the worst, with some of the herds shrinking by more than 90 percent.

Related: Norway rejects wind farm in favor of wild reindeer

“We see increased drought in some areas due to climate warming, and the warming itself leads to a change of vegetation,” said professor Howard Epstein, an environmental scientist from the University of Virginia.

Epstein was one of the scientists involved with the research for the new report, and he explained that the reindeer eat lichen, which grows at ground level. But the warming temperature has led to taller vegetation, and it is “out-competing” the lichen.

The warmer climate has also meant more bugs in the region, and that results in the reindeer having to spend their day getting the insects off of them or hiding from the insects.

Increased rain has caused a problem, because it falls on snowy ground and creates hard layers of ice covering the tundra. This makes it difficult for the animals, because they can’t push their noses through the ice to get to their food.

As for what can be done about the problem, the BBC reported that reducing carbon emissions and limiting temperature increases needs to be done on a global scale. Not only will this help the reindeer, but it will also decrease extreme weather events around the world.

+ NOAA

Via BBC

Image via U.S. Department of State