1. The biophysical and carbon-climate feedbacks of shrub expansion in the Arctic Open Access Author: Cahoon, Sean Michael Title: The biophysical and carbon-climate feedbacks of shrub expansion in the Arctic Graduate Program: Ecology Keywords: ArcticBetula nanaclimate changeCO2 exchangePoa pratensisshrub expansion File: Download Cahoon_dissertation_Nov19_2015.pdf Committee Members: Eric S Post, Dissertation Advisor/Co-AdvisorEric S Post, Committee Chair/Co-ChairDavid Eissenstat, Committee MemberArmen Ricardo Kemanian, Committee MemberMatthew David Hurteau, Committee Member