1. Hegerl, G. C. et al. in Meeting Report of the Intergovernmental Panel on Climate Change Expert Meeting on Detection and Attribution of Anthropogenic Climate Change (eds Stoker, T. et al.) (IPCC Working Group I Technical Support Unit, 2010).
2. Root, T. L. et al. Proc. Natl. Acad. Sci. USA 102, 7465–7469 (2005).
3. Parmesan, C. Glob. Change Biol. 13, 1860–1872 (2007).
4. Parmesan, C. &, Yohe, G. Nature 421, 37–42 (2003).
5. IPCC Summary for Policy Makers: Impacts, Adaptation, and Vulnerability (eds McCarthy, J. J. et al.) (Cambridge Univ. Press, 2001).