Climate change could leave Yukon plants with nowhere to go: study

As climate change pushes some plants northward, a new study suggests several unique species in Yukon and Alaska could have nowhere to go.

The scientific paper, published late last month in the journal Diversity and Distributions, used models to predict how 66 plant species with origins in Beringia, an area where glaciers did not form during the last ice age because of dry conditions, could respond to changes in temperature and precipitation from now until 2040.

The plant species examined included herbs, shrubs and graminoids, or grass-like plants, that can be found on the tundra, sand dunes, river banks, wetlands and forests in Yukon and Alaska. Many of them can't be found anywhere else in the world. Oke noted the region is already warming two to three times faster than the global average, and it's getting wetter in the winter. He said elevation is also a factor, with plants at higher elevations having limited space to move upward.

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