“The study opens the door into a past that has basically been lost,” said lead author Kurt Kjaer, a geologist and glacier expert at the University of Copenhagen.As the Canadian national soccer teams head to their respective FIFA World Cups, Derek Van Diest is on the scene to cover all the action. Expect expert insights and analysis in your inbox daily throughout the tournaments, and weekly on Thursdays for the rest of the season.
The samples came from a sediment deposit called the Kap Kobenhavn formation in Peary Land. Today, the area is a polar desert, Kjaer said. During the region’s warm period, when average temperatures were 20 to 34 degrees Fahrenheit higher than today, the area was filled with an unusual array of plant and animal life, the researchers reported. The DNA fragments suggest a mix of Arctic plants, like birch trees and willow shrubs, with ones that usually prefer warmer climates, like firs and cedars.Article content
Many mastodon fossils have previously been found from temperate forests in North America. That’s an ocean away from Greenland, and much farther south, Willerslev said. By pulling dozens of species out of just a few sediment samples, the study highlights some of eDNA’s advantages, said Benjamin Vernot, an ancient DNA researcher at Germany’s Max Planck Institute for Evolutionary Anthropology who was not involved in the study.
sub tropical most likely
one of the reasons Greenland is a hot mining district
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