Aboveground biomass data and graphs by community, CO2 treatment and
year. Data are in summary form rather than by plot. Measurements
taken annually (end of Jyly-beginning of August). 0.8 m diameter ...
Ambient atmospheric CO2 concentration and CO2 concentration in the 15
elevated CO2 open top chambers in C3, C4 and mixed C3&C4 communities
(5 per community).
Data were averaged over 15 minute periods; ...
Leaf area of Scirpus olneyi determined by measuring the green length
(height) and the diameter at the midpoint of the shoot. Length,
diameter, and dry mass of these subsample shoots are used in