TY - GEN AU - Elmore,Andrew J AU - Craine,Joseph M AU - Nelson,David M AU - Guinn,Steven M TI - Continental scale variability of foliar nitrogen and carbon isotopes in Populus balsamifera and their relationships with climate SN - 2045-2322 PY - 2019///0221 KW - Adaptation, Physiological KW - Biological Variation, Population KW - Carbon Isotopes KW - analysis KW - Climate KW - Ecosystem KW - Nitrogen Isotopes KW - Plant Leaves KW - chemistry KW - Populus KW - metabolism N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1038/s41598-017-08156-x ER -