142M471B3J 1 7440-44-0 1 Alaska 1 CO2 flux 1 Carbon 1 Carbon Dioxide 1 Journal Article 1 mehr ... Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 arctic tundra 1 canopy phenology 1 deciduous shrub abundance net ecosystem exchange 1 normalized difference vegetation index (NDVI) 1 weniger ...