Tree density and permafrost thaw depth influence water limitations on stomatal conductance in Siberian Arctic boreal forests

Heather Kropp1, Michael M Loranty1, Susan Natali2, Alexander L Kholodov3, Heather Dawn Alexander4 and Nikita Zimov5, (1)Colgate University, Geography, Hamilton, NY, United States, (2)Woods Hole Research Center, Falmouth, MA, United States, (3)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States, (4)Auburn University, Auburn, United States, (5)Northeast Scientific Station of Pacific Institute for Geography of Russian Academy of Sciences, Cherskiy, Russia