1. THE INFLUENCE OF NITROGEN DEPOSITION ON ROOT LIFESPAN IN NORTHEASTERN TEMPERATE FORESTS Open Access Author: Du, Quanying Title: THE INFLUENCE OF NITROGEN DEPOSITION ON ROOT LIFESPAN IN NORTHEASTERN TEMPERATE FORESTS Graduate Program: Ecology Keywords: root life spanroot oxidative stresssoil chemistryCox proportional hazards modelN deposition File: Download Thesis_Final.pdf Committee Members: David Eissenstat, Thesis Advisor/Co-AdvisorDavid Eissenstat, Thesis Advisor/Co-Advisor