Seasonal Variation in Gross Ecosystem Production, Plant Biomass, and Carbon and Nitrogen Pools in Five High Arctic Vegetation Types Arndal, M.F.; Illeris, L.; Michelsen, A.; Albert, K.; Tamstorf, M.; Hansen, B.U. Arctic, Antarctic, and Alpine Research 41(2): 164-173 2009 1523-0430 https://eurekamag.com/research/077/707/077707453.php