1. Greater deciduous shrub abundance extends tundra peak season and increases modeled net CO₂ uptake Sweet, Shannan Kathlyn; Griffin, Kevin L.; Steltzer, Heidi; Gough, Laura; Boelman, Natalie T. 2015 Articles Vegetation and climateCarbon cycle (Biogeochemistry)Vegetation surveys--Remote sensingPlant phenologyEcologyEnvironmental sciencesRemote sensing