Photosynthesis (Net CO2 Exchange Rate) References
Tussock Tundra
Grulke, N.E., Riechers, G.H., Oechel, W.C., Hjelm, U. and Jaeger, C. 1990. Carbon balance in tussock tundra under ambient and elevated atmospheric CO2. Oecologia 83: 485-494.
Hilbert, D.W., Prudhomme, T.I. and Oechel, W.C. 1987. Response of tussock tundra to elevated carbon dioxide regimes: Analysis of ecosystem CO2 flux through nonlinear modeling. Oecologia 72: 466-472.