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. Author manuscript; available in PMC: 2026 Jun 1.
Published in final edited form as: For Ecol Manage. 2026 Jun;610:123674. doi: 10.1016/j.foreco.2026.123674

Table 2. Used data and performance of the LME model.

Marginal r2 represents the portion of r2 which can be explained by fixed effects (growth factors) only. Conditional r2 comprises also the random effects (site) part. As Acer pseudoplatanus was only present at one site, the value for conditional r2 is not meaningful and therefore excluded. Due to reasons of consistency, Acer pseudoplatanus’ marginal r2 is calculated analogous as for the other species.

Species N sites Start End N years marg. r2 cond. r2
Acer pseudoplatanus 1 1933 2022 90 0.30
Fagus sylvatica 63 1933 2022 90 0.19 0.48
Larix decidua 13 1933 2021 89 0.24 0.40
Picea abies 5 1933 2021 89 0.23 0.35
Pinus nigra 6 1933 2021 89 0.20 0.70
Pinus sylvestris 4 1933 2021 89 0.19 0.46
Quercus cerris 12 1933 2021 89 0.10 0.55
Quercus petraea 26 1933 2022 90 0.06 0.60