Increasing plant use of organic nitrogen with elevation is reflected in nitrogen uptake rates and ecosystem δ15N

Depleted 15N in hydrolysable-N of arctic soils and its implication for mycorrhizal fungi–plant interaction

(2009) Y. Yano et al.   BIOGEOCHEMISTRY

Mycorrhizal fungi supply nitrogen to host plants in Arctic tundra and boreal forests: 15N is the key signalThis article is one of a selection of papers in the Special Issue on Polar and Arctic Microbiology.

(2009) John E. Hobbie et al.   CANADIAN JOURNAL OF MICROBIOLOGY

Uptake of organic nitrogen by plants

(2009) Torgny Näsholm et al.   NEW PHYTOLOGIST

Intact amino acid uptake by northern hardwood and conifer trees

(2009) Anne Gallet-Budynek et al.   OECOLOGIA

Nitrogen isotopes in ectomycorrhizal sporocarps correspond to belowground exploration types

(2009) Erik A. Hobbie et al.   PLANT AND SOIL

Natural Abundance of 15N in Nitrogen-Limited Forests and Tundra Can Estimate Nitrogen Cycling Through Mycorrhizal Fungi: A Review

(2008) E. A. Hobbie et al.   ECOSYSTEMS