to investigate past
and future changes in the amount of C stored in the tundra
in response to increases in atmospheric CO2, temperature,
and N deposition as well as to increases or decreases in soil
moisture. These investigations dealt with the response of a
single type of vegetation, tussock tundra; the model was
applied to the Toolik Lake site in Alaska, where long-term
field experiments on the response of tussock tundra to
manipulations of CO2, temperature, light, and soil nutrients
provided data for a calibration
to investigate pastand future changes in the amount of C stored in the tundrain response to increases in atmospheric CO2, temperature,and N deposition as well as to increases or decreases in soilmoisture. These investigations dealt with the response of asingle type of vegetation, tussock tundra; the model wasapplied to the Toolik Lake site in Alaska, where long-termfield experiments on the response of tussock tundra tomanipulations of CO2, temperature, light, and soil nutrientsprovided data for a calibration
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