Macalester Professor Argues Invasive Species such as Buckthorn Not a Threat

Professor Mark A. Davis argues that invasive species such as buckthorn are not a major environmental threat.  He was recently interviewed in an article in Scientific American: A Friend to Aliens: Are Invasive Species Really a Big Threat? Scientific American, January 24, 2011.  This article at Macalester’s website, Species Defender, explains his position in some detail.

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