# s-ecol: strange migrations

AA << analyze abundance data over time for 86 tree species/groups across the eastern United States spanning the last three decades >>

AA << show that more tree species have experienced a westward shift (73%) than a poleward shift (62%) in their abundance, a trend that is stronger for saplings than adult trees >>

Songlin Fei, Johanna M. Desprez, et al. Divergence of species responses to climate change. Sci. Adv. 2017; 3:e1603055 17 May 2017

http://advances.sciencemag.org/content/3/5/e1603055