Xylem conductances of 24 tree species of Europe

The dataset contains the xylem conductances (ks) in kg m-2MPa-1s-1, and mmH2O mm-1s-1 as the Community Land Model 5.0 (CLM5) requires. In addition, the data set has individual records of 24 tree species describing the plant functional types broadleaf deciduous (BDT), broadleaf evergreen (BET), and needleleaf evergreen (NET) trees. The data comes from 21 references from European experiments.

The tree species selected for this data set are:

BDT: Acer pseudoplatanus, Betula occidentalis, Carpinus betulus, Fagus sylvatica, Fraxinus excelsior,Quercus alba, Quercus cerris, Quercus petraea, Quercus pubescens, Quercus robur, Quercus rubra, Tilia cordata, Carpinus orientalis, Quercus frainetto.

BET: Quercus ilex, Quercus suber, Arbutus unedo.

NET: Abies bornmulleriana, Picea abies, Pinus pinaster, Pinus sylvestris, Tsuga heterophylla, Pinus nigra, Pseudotsuga menziesii.

Special consideration was taken to Pseudotsuga menziesii, which was included in the data set by selecting only the European records. The species was included in a European data set because of its importance as an introduced commercial tree species for the European continent.

The individual xylem conductances were retrieved directly from tables, manuscript text, or figures. The online tool WebPlotDigitizer (https://automeris.io/WebPlotDigitizer) was used to retrieve individual records.