News Release

在末次盛冰期的山胡桃的生存

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

Hickories are a major component of eastern North American oak-hickory forests, shown here in eastern Kentucky.

image: Hickories are a major component of eastern North American oak-hickory forests, shown here in eastern Kentucky. view more 

Credit: Image courtesy of Jordan B. Bemmels.

来自两个山胡桃树物种的基因组数据提示,一个物种可能在末次盛冰期的一个隔离的北方微型避难所存活下来,而第二个物种可能从南方来源扩展到了现在的范围,这提示随着冰原前进,这些物种向南退到了适宜的气候;这些结果提示,可靠的系统发生生物地理学可能帮助重建树木和植物对气候变化的响应。

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