Gradients

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ICP IM
Level II

Level II
On Level II
Study sites
Gradients

Environmental gradients by main tree species

Soil solution in the upper soil — pH of the soil solution by main tree species for two time periods (2005-2009 left and 2015-2019 right).

Nitrogen deposition in the open field — Nitrogen deposition in the open field by main tree species for two time periods (2005-2009 left and 2015-2019 right)

Open field precipitation — Mean annual precipitation in the open field by main tree species for two time periods (2005-2009 left and 2015-2019 right)

Altitude of the Level II sites — Altitude of the Level II sites by main tree species

Soil type — Soil type of the upper soil (green beech, yellow oak, red pine, blue spruce, dark red douglas fir, purple larch)

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