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Fig. 5 | Annals of Forest Science

Fig. 5

From: Elevated atmospheric CO2 and humidity delay leaf fall in Betula pendula, but not in Alnus glutinosa or Populus tremula × tremuloides

Fig. 5

Percentage leaf mass remaining in the canopy of birch (Betula pendula) and alder (Alnus glutinosa) grown at ambient or elevated atmospheric CO2 (FACE). Model predictions (solid lines) and 95 % confidence intervals (dashed lines) are shown for leaf mass remaining over time. In Betula pendula this is for the individual years in the ambient (black) and elevated (grey) CO2 treatments. In Alnus glutinosa shown are the individual years with the treatments combined, as there are no treatment effects, but a significant difference between 2007 and the other years

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Annals of Forest Science

ISSN: 1297-966X