Unusual forest growth decline in boreal North America covaries with the retreat of Arctic sea ice Girardin, Martin P. ; Guo, Xiao Jing ; De Jong, Rogier ; Kinnard, Christophe ; Bernier, Pierre ; Raulier, Frédéric Abstract Publication: Global Change Biology Pub Date: March 2014 DOI: 10.1111/gcb.12400 Bibcode: 2014GCBio..20..851G