text: This latter result, although seemingly strange, is anything but unusual; for the nine researchers report that various taxa of coccolithophores and sea urchins "show enhanced calcification in environments with higher pCO 2 ," citing the work of Iglesias-Rodriguez et al . (2008), Doney et al . (2009) and Ries et al . (2009). And they say that "different populations of Emiliania huxleyi have shown decreased, increased, or unchanged calcification in response to higher pCO 2 ," citing Fabry (2008).