Arctic megafauna thrived on pollen-poor plants

Ancient changes in vegetation have traditionally been studied based on fossil pollen; however, this record tends to be biased toward plants that produce lots of pollen, such as grasses, reeds and sedges. Now, researchers have sequenced plant DNA retrieved from radiocarbon-dated permafrost samples and gained further insight into the Arctic plant communities not readily identifiable by pollen analysis.
 

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Tuesday, June 24, 2014 - 06:00