Plant Water Relations and Carbon Dynamics

Synergistic effect of heat and drought on leaf VOC emissions and root exudates in Norway spruce saplings

This study examines how heat and drought affect leaf VOC emissions and root exudates in Norway spruce saplings, finding synergistic responses under combined stress.

Root anatomical gradients and cultivar differences underlie variation in root hydraulic properties in German winter wheat

This study links root anatomical gradients and cultivar differences to variations in hydraulic properties in winter wheat using imaging and modeling.

Mitigating consecutive drought impacts on forest productivity through strategic tree species spatial design

This study shows that tree diversity and strategic spatial planting designs can buffer forests against drought impacts and increase carbon sequestration.

Emergent feed-forward and isohydric responses to soil and atmospheric aridity: Insights from a time-dependent hydraulic model

The paper develops a time-dependent hydraulic model to study how plants respond to soil and atmospheric aridity, showing that stomatal conductance is influenced by both supply and demand-side water stress.

Deep soil water as a dominant source for spruce water uptake in a subalpine forest: evidence from multi-year isotope data

This study shows that Norway spruce primarily uses deep soil water during the growing season, with over 50% uptake from 50-70 cm soil layers, increasing to over 80% in 2020.

Seasonal Dynamics of Nonstructural Carbon Compounds in Pine Forest

The paper quantifies seasonal NSC dynamics in a temperate pine forest, finding that soluble sugars drive carbon balance through redistribution rather than storage changes.

Stelar starch management tailors diurnal and rehydration-related water flows in Pinus pinea needles

The paper uses synchrotron tomography to show diurnal starch fluctuations and osmotic water pumping in pine needle vascular cells, linking starch metabolism to water flow regulation.

Stem photosynthesis is coordinated with seasonal growth activity in two temperate tree species

The paper measures seasonal changes in stem photosynthesis and respiration in two temperate tree species, finding coordinated variation with growth activity and water status.

Trade-offs between photosynthetic capacity, mesophyll conductance stability and leaf anatomy shape heat and water deficit resilience in Gossypium.

The paper examines how photosynthetic capacity, mesophyll conductance stability, and leaf anatomy affect heat and water deficit resilience in cotton species.

Evaluating Transferability and Robustness of Process-Guided Neural Networks in Forest Carbon Flux Modelling

This study evaluates process-guided neural networks (PGNNs) and standard ANNs for predicting forest carbon fluxes, showing PGNNs outperform a process model in data-sparse and transfer scenarios.

It's about time! Leaf minimum conductance determines time to reach critical thresholds for leaf dehydration in a seasonal tropical forest

The paper quantifies leaf minimum conductance (gmin) in 18 tropical forest species to determine its role in dehydration thresholds and drought tolerance strategies.

Water Stress Induces Diel Patterns of Root Growth

The paper examines root growth patterns in a temperate grassland under water stress, finding continuous growth except during a dry spring period when growth was limited to daytime.

Intra-annual precipitation variability mutes or magnifies the impact of wet and dry years on plant biomass.

The paper shows that plant biomass response to annual precipitation depends on how evenly precipitation is distributed within the year.

PIP2;1 aquaporin promotes early stomatal closure in grapevine leaves during water stress

This study shows that PIP2;1 aquaporin promotes earlier stomatal closure during water stress in grapevines without affecting leaf hydraulic conductance.

Morphological and heat-tolerance traits are associated with progression and impact of, but not vulnerability to, tree decline

This study examines how morphological and heat-tolerance traits relate to tree decline progression and impact, finding no evidence of trait-based vulnerability but identifying feedback loops exacerbating decline under warming.

OpenAlea.HydroRoot: A modelling framework to dissect, predict and phenotype branched root hydraulic architecture

This paper introduces HydroRoot, a model for simulating root hydraulic architecture, and demonstrates its use in phenotyping root hydraulics across species.

Stochastic spreading models reproduce embolism propagation dynamics in angiosperm xylem networks of vessels connected by bordered pits

The paper uses a stochastic SI model to simulate embolism propagation in plant xylem networks, reproducing empirical and physiological results without detailed physiological data.

Secondary Growth and Exodermal Barriers Shape Local Root Hydraulics: Modeling Insights in Tomato

The paper models how secondary growth and exodermal barriers affect root hydraulics in tomato, showing exodermal suberin has little effect with a lignin cap and secondary growth is crucial for maintaining axial conductance.

Abscisic acid-mediated water stress regulation can mechanistically explain oscillations and water stress memory in stomatal conductance

This paper introduces a model linking ABA regulation to stomatal oscillations and stress memory in Arabidopsis, showing non-linear feedbacks drive these behaviors.

Soil and atmospheric drought trigger early leaf senescence and increase subsequent canopy mortality risk in temperate forests

This study shows that soil and atmospheric drought cause early leaf senescence in temperate forests, increasing canopy mortality risk, and identifies drought response types based on senescence patterns and soil conditions.

Making a clean break: contrasting leaf abscission dynamics across temperate leaf habits

The paper compares leaf abscission dynamics in temperate tree species, finding that senescence and abscission are distinct and vary in timing across deciduous, brevi-deciduous, and marcescent leaf habits.

Root Hydraulic Conductivity and Transpiration in Arabidopsis: Coordination Revealed by a High-Stomatal-Density Mutant

This study examines how increased transpiration in an Arabidopsis mutant affects root hydraulic conductivity and plant water balance under osmotic stress.

Environmental and transcriptomic determinants of drought response in critically endangered Siamese rosewood

This study identifies drought response strategies and genetic markers in Siamese rosewood using transcriptomic and environmental data from drought experiments.

Variation in bud phenology, frost tolerance and non-structural carbohydrates among white spruce seed sources on climate-contrasted test sites: implications for assisted migration

This study evaluates how climate differences affect white spruce seed sources' phenology, frost tolerance, and non-structural carbohydrates, informing assisted migration strategies.

Diel foliar moisture content recovery time occurs soon after midnight in Eucalyptus species of koala (Phascolarctos cinereus) habitats

The paper measures foliar moisture content in Eucalyptus trees over a 24-hour period and finds FMC recovers to initial levels by 1:30 AM after reaching a minimum at 1:30 PM.

Attributing the temperature response of tree seedling growth to underlying mechanisms

The paper investigates how temperature affects tree seedling growth by analyzing the contributions of photosynthesis, respiration, and carbon allocation processes.

Warming makes 20 boreal species grow earlier but not always taller

This study shows warming advances growth timing but not necessarily total growth in boreal species, with contrasting responses between evergreen gymnosperms and deciduous angiosperms.

Large differences in photorespiration and its temperature response among temperate trees

This study measures photorespiration and its temperature response in seven temperate tree species, finding significant interspecific variation and a sharp increase in photorespiratory CO2 loss with temperature.

Spatially explicit forest mortality forecasts are driven by autocorrelation, not ecological context

This study shows that forest mortality forecasts using remote sensing data are driven by autocorrelation rather than ecological context, and highlights biases in aerial surveys.

Decoupling of stomatal conductance from net assimilation at high temperature as a mechanism to increase transpiration

This study investigates how stomatal conductance and net assimilation decouple at high temperatures, showing that this decoupling increases transpiration when vapor pressure deficit is low.