Aims Arbuscular mycorrhizal fungi (AMF) are widely thought to support plant water uptake during drought, but whether their hyphae remain hydraulically functional once soil hydraulic conductivity collapses under severe drying, and how this depends on soil texture, remains unresolved. We tested whether AMF can maintain hydraulic functionality and transport water to plants under severe soil drying. Methods A simple conceptual fra...

Persistent uncertainty about the economic implications of agroforestry presents a significant barrier to adoption. Despite this, most research to date ignores the impact of uncertainty on land allocation decisions, with studies commonly relying on simplistic scenarios involving a dichotomous choice between switching entirely to agroforestry or retaining the status quo system. For a more realistic decision problem, we explored...

After drought events, tree recovery depends on sufficient carbon (C) allocation to the sink organs. The present study aimed to elucidate dynamics of tree‐level C sink activity and allocation of recent photoassimilates (C new ) and stored C in c. 70‐year‐old Norway spruce ( Picea abies ) trees during a 4‐week period after drought release. We conducted a continuous, whole‐tree 13 C labeling in parallel with controlled watering a...