ecosystems. These impacts remain poorly understood at the tree and species level and
across large spatial scales. Here, we investigate the effects of the record-breaking 2018
European heatwave on tree growth and tree water status using a collection of high-temporal
resolution dendrometer data from 21 species across 53 sites. Relative to the two preceding
years, annual stem growth was not consistently reduced by the 2018 heatwave but stems …