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Fig. 2 | Annals of Forest Science

Fig. 2

From: Nitrogen deposition causes eutrophication in bryophyte communities in central and northern European forests

Fig. 2

QGAM smooths for mean Ellenberg N (y-axes), with 95% confidence intervals indicated. In all plots, grey areas of the heat map are N deposition levels/combinations not present in the data. a Heat map of the smooth term showing the relationship between Ellenberg N and N deposition levels (kg N/ha/yr), b smooth for canopy cover (%), c smooth for precipitation (mm), d smooth for forest age (years), and e smooth for soil pH

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Annals of Forest Science

ISSN: 1297-966X