Data and Methodology are described in detail in Herschbach, C., Samuilov, S., Kalio, M. K., Schramm, C., Krüger, J., Löw, C. A. E., ... & Lang, F. (2022). Seasonally driven internal P and N nutrient (re) cycling strategies of beech saplings are element specific. Environmental and Experimental Botany, 199, 104894.