Plant and root biomass, nitrogen, carbon, and phosphorus concentrations in a mesic acidic tussock tundra experimental site established in 1981(MAT81) and harvested in 2015, Arctic LTER, Toolik Lake, Alaska.

Plant and root biomass, nitrogen, carbon, and phosphorus were measured in 2015 in an Arctic LTER tussock tundra experimental site. This site was established in 1981 and has been harvested in previous years (see Shaver and Chapin Ecological Monographs, 61(1), 1991 pp.1-31, https://doi.org/10.2307/1942997). This file contains the biomass numbers for each harvested quadrat and percent carbon, nitrogen, and phosphorus block summaries for control and fertilized plots. Only the original 4 blocks are included. The new control plots are in a separate dataset.