title: Evidence of soil nutrient availability as the proximate constraint on growth of treeline trees in northwest Alaska: comment.
authors.forename: Enzai
authors.initials: E
authors.lastname: Du
mesh_terms: D028222:Picea / Q000254:growth & development*; D012987:Soil / Q000737:chemistry*; D014197:Trees / Q000254:growth & development*
chemical_list: D012987:Soil