Plant Water Relations and Carbon Dynamics

Drought, thermal response and climate-patterning in cuticular conductance of the widespread C4 grass, Themeda triandra

This study examines how drought and temperature affect cuticular conductance in six Australian accessions of Themeda triandra, finding climate-linked patterns under drought but no thermal threshold.

Leaf traits in Phaseolus vulgaris and Phaseolus acutifolius reveal divergent terminal drought coping strategies

This study compares leaf traits in two Phaseolus species under terminal drought, finding tepary bean has anatomical and physiological adaptations that improve drought resilience.

Microclimatic Effects on Functional Traits of Arctostaphylos crustacea ssp. crustacea in Alameda County, California, USA

This study examines how microclimatic factors affect leaf traits and photosynthesis in Arctostaphylos crustacea ssp. crustacea across two sites in Alameda County, finding that light level is the strongest predictor of plant traits.

Groundwater and phenology data reveal vulnerability of riparian trees to drought

This study uses groundwater and phenology data to show that riparian trees in intermittent systems are more vulnerable to drought than previously thought.

Water use efficiency of Cupressus gigantea is higher in mountain slope habitats compared to riverside habitats

This study compares water use efficiency and water source utilization of Cupressus gigantea in mountain slope and riverside habitats using stable isotopes and the IsoSource model.

Turgor limitation of tree height: no evidence from leaf epidermal cell anatomy

The paper tests the turgor limitation hypothesis by analyzing leaf cell size distributions across tree species and heights, finding no evidence of right-hand thresholds predicted by the hypothesis.

Shift from acquisitive to conservative plant strategies with increasing drought and temperature extremes in an alpine shrub

The paper examines trait variation in Salix flabellaris across Himalayan elevations, finding distinct stem, twig, and leaf strategies influenced by temperature and moisture, with central populations showing highest growth under current conditions.

14C-age of carbon used to grow fine roots reflects tree carbon status

The paper measures 14C ages in tree tissues to assess carbon status, finding that fine roots use older carbon while aboveground tissues use younger carbon.

Asymmetric photosynthetic responses to hydrothermal variations between the two halves of the year in the Amazon rainforest

The paper examines asymmetric photosynthetic responses to hydrothermal variations between the first and second halves of the year in the Amazon rainforest, finding stronger precipitation limitations in the second half.

Multi-year drought strengthens positive and negative functional diversity effects on tree growth response

The paper examines how multi-year drought affects tree growth responses influenced by neighborhood diversity and functional traits, finding stronger and site-specific diversity effects during prolonged drought.

Drought tolerance is associated with constitutive gene expression, not plasticity, across California oak species

The paper examines gene expression patterns in California oak species to determine if drought tolerance is linked to constitutive expression or plasticity, finding constitutive expression is associated with drought tolerance.

Plasticity and adaptation to high light intensity amplify the advantage of amphistomatous leaves

The paper shows that amphistomatous leaves provide greater CO2 assimilation under high light and save water compared to hypostomatous leaves, especially in open habitats.

Divergent photosynthesis and leaf respiration responses of four common subtropical tree species to modest warming

This study examines how four subtropical tree species respond to warming, finding divergent effects on photosynthesis, respiration, and growth.

Isohydric species show earlier drought-induced declines in stem water content, rehydration, sap flow, and growth than anisohydric species

This study compares drought responses between isohydric and anisohydric tree species, finding isohydric species experience earlier declines in stem water content, sap flow, and growth than anisohydric species during soil dry-down.

Root vulnerability to embolism and lack of physiological recovery limit the competitive ability of an invasive palm

This study compares drought resistance and recovery of an invasive palm and native species, finding the palm has drought-tolerant leaves but fails to recover from extreme drought, limiting its spread.

Beyond Proxies: Towards ecophysiological indicators of drought resistance for forest management

This study compares operational drought resistance indicators with ecophysiological traits to assess vulnerability to hydraulic failure in Abies species under climate change.

Contrasting needle physiological strategies to soil nutrient scarcity in radiata pine plantations

The paper compares physiological responses to drought and nutrient scarcity in young managed versus old abandoned Pinus radiata stands, finding older trees maintain photosynthesis under nutrient-poor conditions.

Cytosolic water potential as a mechanistic driver of leaf airspace unsaturation and non-stomatal control of transpiration

The paper identifies cytosolic water potential as the primary signal regulating plasma membrane conductance and introduces a model linking it to leaf hydraulics and gas exchange.

pnetr: An R package for the PnET family of forest ecosystem models

The paper introduces the pnetr R package, which simplifies the use of PnET ecosystem models for ecological research and forecasting.

Ice and air: Visualisation of freeze-thaw embolism and freezing spread in young L. tulipifera leaves

The paper investigates freeze-thaw embolism and freezing spread in young Liriodendron tulipifera leaves, finding that both ice and air contribute to leaf death, influenced by vein architecture.

Disentangling the stomatal response to transpiration and relative humidity

This study shows that stomatal closure in plants is triggered by reduced relative humidity rather than increased transpiration, using controlled gas environments to decouple these variables.

PANDA: A simple and affordable chamber system for measuring the whole-plant net CO2 flux

The paper introduces a chamber system to measure whole-plant net CO2 fluxes and demonstrates distinct diel patterns in C3 plants, driven by temperature and sink-source dynamics.

Metabolic engineering of stomatal precursor cells enhances photosynthetic water-use efficiency and vegetative growth under water-deficit conditions in Arabidopsis thaliana

This study shows that reducing stomatal density in Arabidopsis thaliana through metabolic engineering improves water-use efficiency and vegetative growth under water-deficit conditions.

Exposure time to moderately high temperature affects photosynthetic response to water deficit in Eucalyptus globulus Labill.

This study examines how exposure to moderately high temperatures affects the photosynthetic response of Eucalyptus globulus to water deficit, finding that short-term heat exposure increases drought tolerance.

Tree Growth, Contraction, and Recovery: Disentangling Soil and Atmospheric Drought Effects

The paper examines how soil and atmospheric droughts affect tree growth and recovery in a semi-arid pine forest using stem diameter data and an irrigation experiment, finding that heatwaves reduce growth rates but soil water availability determines whether trees contract or recover.

Functional traits explain growth resistance to successive hotter droughts across a wide set of common and future tree species in Europe

The paper examines how tree growth responds to consecutive hotter droughts using functional traits and finds that growth resistance is influenced by traits related to drought tolerance and resource acquisition.

Aerosol deposition affects water uptake and water loss of beech leaves

This study investigates how aerosol deposition affects foliar water uptake and minimum epidermal conductance in beech leaves, finding increased values with aerosol exposure.

Satisfying leaf nitrogen demand under drought is determined by soil nitrogen availability and drought severity

The study examines how drought and nitrogen availability affect leaf nitrogen content and photosynthetic rates in sunflower, finding that nitrogen uptake is impaired under drought and low nitrogen.

Conserved strategies underpin the replicated evolution of aridity tolerance in trees

The paper identifies conserved trait strategies in Eucalyptus trees that enable aridity tolerance through phylogenetic analysis and trait-environment relationships.

Interactive effects of xylem and phloem damage under drought on plant water and carbon dynamics: Mimicking the impact of plant canker disease

This study examines how xylem and phloem damage affect plant water and carbon dynamics in Eucalyptus under drought and well-watered conditions, revealing non-additive effects and resilience.