Submitted to: Journal of Experimental Botany
Publication Type: Abstract Only
Publication Acceptance Date: July 10, 2002
Publication Date: January 1, 2003
Citation: Ziska, L.H. 2003. Evaluation of the response of invasive species to past, present and future co2. Journal of Experimental Botany. 54:395-404.
Technical Abstract:
Although the photosynthetic and growth responses of plant species to changing atmospheric carbon dioxide has been determined for hundreds of species, little attention has been given to invasive species per se. In this overview I examine existing reports regarding the sensitivity of invasive species to past, present, and future carbon dioxide focusing principally on Canada thistle, a noted invasive, noxious weed. Overall, I will discuss potential interactions with environmental limitations, carbon dioxide effects on weed/crop competition, and the impact of increasing carbon dioxide on chemical weed management. The results presented here, while limited, suggest a strong response of invasives to rising carbon dioxide and unfavorable consequences for human systems. However, our current understanding regarding the impact of carbon dioxide on establishment, growth, reproduction and competition of invasives is limited to a handful of studies. It is hoped that this overview will serve to elucidate key areas where additional information is needed.
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