Fig. 5: Relative influence of GPPmax and climatic factors during previous growing season on start of season (SOS) of current year using the data of 28 FLUXNET sites between 1992 and 2014. | Nature Communications

Fig. 5: Relative influence of GPPmax and climatic factors during previous growing season on start of season (SOS) of current year using the data of 28 FLUXNET sites between 1992 and 2014.

From: Warming-induced increase in carbon uptake is linked to earlier spring phenology in temperate and boreal forests

Fig. 5

The GPPmax refers to the maximum daily gross primary productivity (GPP) in each year. Random-forest algorithm was used to quantify and compare the effects of climate variables and GPPmax on SOS.

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