Plant Water Relations and Carbon Dynamics

Intermediate, rather than Isohydric or Anisohydric, Species were More Resilient to an Extreme Heatwave in a Common Garden in Sydney

The study evaluates resilience of urban tree and shrub species to an extreme heatwave using functional traits, finding that crown dieback better predicts thermal stress than survival.

Towards understanding stomatal decoupling under extreme heat: integrating stomatal kinetics, leaf light responses, and the role of stomatal versus cuticular conductance

This study investigates stomatal decoupling under extreme heat by comparing two rainforest and two semi-arid tree species, finding that decoupling occurs in some species but not others, linked to transpirational cooling capacity and light conditions.

Decoding plant x environment interactions through spatial gradients in leaf physiology and metabolism

The paper investigates spatial and temporal metabolic and physiological changes in Sansevieria cylindrica leaves under heat, drought, and rewatering conditions, identifying key metabolites that distinguish treatment phases and leaf positions.

Reconciling intrinsic and ecosystem water-use efficiency reveals physiological mechanisms underlying carbon-water coupling across biological scales

The paper investigates carbon-water coupling by analyzing water-use efficiency metrics across biological scales in a forest, finding discrepancies between model and observational data.

Root Age Structure Governs Long-Term Architecture and Hydraulic Function in Perennial Plants: a Modelling Framework

The paper develops a modelling framework that incorporates root age structure to simulate perennial root system development and hydraulic function over decades.

Extending the least-cost theory of stomatal regulation to include soil moisture stress

This paper extends the least-cost theory of stomatal regulation to include soil moisture stress, showing improved predictive power using global data.

Divergence in wilt tolerance across the range of Mimulus guttatus in the absence of stomatal regulation

The paper tests how drought responses in Mimulus guttatus vary across its range, finding that climate and life history traits, not stomatal regulation, predict survival under drought.

Constraints on the xylem safety-efficiency trade-off

This study shows the xylem safety-efficiency trade-off is not universal, emerging only in specific ecological and evolutionary contexts.

Rooting for water: Bridging Plant Hydraulics and Ecohydrology to Predict Drought Stress

This paper develops a process-based inversion framework to estimate root-accessible soil water storage and predict drought-induced hydraulic failure across forests.

Eco-Evolutionary Optimal Carbon Allocation in a MechanisticCrop Growth Model: Theory and Application to Wheat

The paper develops a mechanistic crop growth model for wheat that uses eco-evolutionary optimal carbon allocation to predict growth and yield under varying environmental conditions.

Physiological signatures but no evidence for universal genomic predictors of extreme drought responses in European beech

The paper investigates drought responses in European beech using phenotypic and genomic data, finding no universal genomic predictors but identifying physiological stress signatures.

The PSInet Plant Water Potential Database: advancing new perspectives on plant water status, traits, and hydraulic processes

The paper introduces the PSInet database, a global collection of plant water potential time series, and highlights its potential for various ecological and physiological studies.

Stomatal sensitivity to VPD across 38 tree species reflects past drought responses but is little explained by stomatal and leaf economic traits

The paper quantifies stomatal responses to vapour pressure deficit in 38 tree species and finds that these responses vary widely and are not strongly linked to common leaf traits.

Stomatal and xylem plasticity, not growth rate, determines white spruce resilience to warmer and drier climates

This study shows that white spruce resilience to warmer and drier climates depends on stomatal and xylem plasticity, not growth rate, as both fast- and slow-growing families exhibited similar physiological responses.

Physiological and anatomical leaf acclimation of understory trees subjected to a through-fall precipitation exclusion in a temperate rain forest in southern South America.

This study examines how understory trees in a temperate rainforest acclimate to reduced precipitation, finding they adopt water-spending strategies rather than conservative ones.

TreeTOP: Plant experimental platforms in canopy space

TreeTOP enables standardized manipulative experiments in forest canopies by providing accessible platforms for potted plants across different heights.

13CO2 pulse labelling reveals species-specific alterations in carbon allocation and volatile organic compound emissions under heat stress

The paper uses 13CO2 pulse labeling to study how heat stress affects carbon allocation and volatile organic compound emissions in two tree species.

Early warning indicators for heat-induced mortality in temperate tree saplings

This study identifies early physiological indicators of heat-induced mortality in temperate tree saplings, detectable up to 10 months before visible damage.

Heat tolerance and canopy temperatures of Larix sibirica under highly continental climate in Mongolia's boreal forest

This study assesses heat tolerance of Larix sibirica under climate change, finding large thermal safety margins but potential vulnerability to extreme heat events.

Hurricane-induced structural disturbance amplifies forest vulnerability to subsequent heatwaves

This study quantifies how hurricane-induced structural degradation amplifies forest vulnerability to subsequent heatwaves through legacy effects, using global data and case studies.

Beyond air-seeding: Dynamic, multiphase interactionsreveal a two-step mechanism of embolism propagation inangiosperm xylem

This paper identifies a two-step mechanism of embolism propagation in angiosperm xylem, involving bubble generation and embolism formation as distinct processes.

Interconduit pit membranes of temperate angiosperms undergo changes in pit membrane thickness and electron density within the final growth ring

The paper examines seasonal changes in pit membrane thickness and electron density within the latest growth ring of angiosperm xylem conduits across eight species.

A data-driven approach to automate embolism detection in leaves

This paper develops a neural network to automate embolism detection in OVT images, achieving accurate P50 measurements but lower spatial accuracy for embolism events.

Tree diversity and mycorrhizal associations jointly regulate seasonal canopy cooling in forests

This study shows that tree diversity and mycorrhizal associations affect canopy cooling in forests, with diversity reducing temperature and mycorrhizal types influencing structural complexity and water content.

Summertime Fog and Dew Impacts on Vegetation Depend on Aridity

The paper examines how fog and dew affect summer plant growth across the U.S., finding they boost productivity in dry areas but have neutral or negative effects in humid regions.

Beyond climatic drought indices : an hydraulic approach to quantifying forest water stress

The paper introduces a new Forest Stress Index (ISF) based on hydraulic modeling to better link climatic anomalies to tree mortality risk, showing stronger emphasis on extreme drought years compared to existing indices.

Coordinated leaf hydraulic thresholds maintain virtually null stomatal safety margins in poplar despite genetic variation and nutrient-induced phenotypic plasticity

This study shows that leaf hydraulic thresholds in poplar remain tightly coordinated across genotypes and treatments, maintaining near-zero stomatal safety margins despite genetic variation and nutrient-induced plasticity.

A method for estimating the response of nursery-grown Atlantic Forest tree seedlings to water deficit

This study adapts a simple method to induce controlled water deficit in Atlantic Forest tree seedlings and evaluates species-level drought resistance based on ecophysiological responses.

Long-term stomatal and leaf trait dynamics in invasive knotweeds in Europe - insights from 160 years of herbarium records

This study uses herbarium records to analyze long-term changes in stomatal and leaf traits of invasive knotweeds over 160 years, finding shifts in stomatal size and shape linked to CO2 levels and climate.

Lack of co-ordination of stomatal, hydraulic and leaf browning traits in 16 perennial Australian grass species of differing climate origins

The paper examines drought response mechanisms in 16 Australian grass species, finding that stomatal closure, hydraulic impairment, and leaf browning occur simultaneously, unlike in trees, and drought traits are not correlated with climate origin.