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Figure 1. Schematic representation oftwo approaches for reconstructing thependent on climate and is essentially anunconstrained modeling approach re-quiring iterative calculations of gas ex-past gas exchange characteristic of vege-tation
Figure 3. Calculated (A) intercellular CO2 concentrations (ci) (r =0.79, P < 0.01) and (B) ratio of intercellular to ambient CO2 concen-tration (ci/ca) (r = 0.48, P < 0.05) of leaves of Salix herbacea over thepast 200 years.
Figure 5. Calculated (A) intercellular CO2of concentrations (ci) and (B)ratio of intercellular to ambient CO2 concentration (ci/ca) of needlesPinus flexilis over the past 30,000 years.
Figure 6. Calculated (A) intercellular CO2 concentrations (ci) (r =0.49, P < 0.05) and (B) ratio of intercellular to ambient CO2 concen-tration (ci/ca) (r = 0.37, P < 0.05) of leaves of the woody speciesCarpinus betulus, Fagus sylvatica, Populus nigra, Quercus petraea,Quercus robur, Tilia cordata and Alnus glutinosa growing in Cam-bridge over the past 200 years (recalculated from the original data ofWoodward 1993).

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Directory UMM :Data Elmu:jurnal:T:Tree Physiology:Vol16.1996:

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