Data and R code used in Lenk et al. "Elevated tree mortality as a regeneration niche for oak? Testing different management approaches in a meliorated floodplain forest"

This repository contains the R code and associated data, enabling the reproduction of the analyses and visualisations of the results presented in the manuscript “Elevated tree mortality as a regeneration niche for oak? Testing different management approaches in a meliorated floodplain forest” (Lenk, A., Waha, S., Wirth, C. (2025), Forest Ecology and Management, doi.org/10.1016/j.foreco.2025.122678). Folder structure Data with data Abstracts and meta data:climate_data_2022_2023.xlsxoaks_vitality.xlsxoaks_size.xlsxoaks_C13.xlsxoak_germination.xlsxopenness_22_23.xlsx R Scripts:00-preamble.R loads all required packages01-data-carpentry.R loads all datasets and prepares the analysis of all experimental periods.02-oaks_contingency_and_ANOVAs.R compares oak Response characteristics between forest types and years03-multivariate-analyses.R calculates multivariate analyses (PCAs and multivariate mixed-effects models) for all oak Response charactersitics depending on forest types and years04-microclimate-and-drought-stress.R compares microclimate between forest types and years, models the dependencies of drought stress on microclimate and models the interaction effects of drought stress and openness on oak Response characteristics Information of related software and package versions used in the script:R version 4.4.0 (2024-04-24 ucrt)Platform: x86_64-w64-mingw32/x64Running under: Windows 11 x64 (build 26100)Matrix products: default ContactPlease contact me at [e-mail] if you have further questions.