MAPS IN THE NEWS:
The geologic record shows animals are not the only things that migrate: forests move hundreds of miles, back and forth, in response to changing climate patterns. Recent research, based on satellite imagery and field work, finds that white spruce are now germinating and fully establishing themselves north of Alaska's Brooks Range, which had previously been the biogeographic divide between tundra, to the north, and boreal forest, to the south. This map, from Quartz, shows the newly documented spruce in Alaska's northern tundra. (Map from qz.com/spruce-trees-have-arrived-in-the-arctic-tundra-a-centur-1849406537.)
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