Plant Water Relations and Carbon Dynamics

A general model for the seasonal to decadal dynamics of leaf area

This paper develops a global prognostic leaf phenology model that outperforms existing DGVMs in capturing LAI dynamics across biomes.

Vapor pressure deficit dominates the spatiotemporal variations in ecosystem photosynthetic quantum yield

The paper examines spatiotemporal variations in ecosystem photosynthetic quantum yield, finding vapor pressure deficit as the dominant driver, with significant impacts from soil moisture, CO2, and leaf area index.

Flow similarity model predicts allometric relationships among Acer platanoides branches

The paper evaluates the flow similarity model and a fractal branching model using Acer platanoides branch data, finding strong support for the flow similarity model's predictions.

A spontaneous mutation in a key C4 pathway gene significantly alters leaf δ13C uncoupling its relationship with WUE and photosynthetic performance in Zea mays

Loss of plasma membrane conductance in outside-xylem zone explains non-stomatal control of transpiration

The paper shows that non-stomatal regulation of transpiration occurs due to reduced plasma membrane conductance in the outside-xylem zone under moderate xylem water stress.

Plants with purple abaxial leaves: A repository of metrics from stomata distribution

The paper measures stomatal distance and density in purple abaxial leaves to show they can act as environmental sensors.

Defining the limits of differential transpiration

This paper identifies differential transpiration (DT) as a strategy in annual plants to protect reproductive tissues from water deficit and heat stress by suppressing transpiration in vegetative tissues.

Leaf spectroscopy reveals drought response variation in Fagus sylvatica saplings from across the species' range

This paper uses leaf spectroscopy to assess drought response variation in Fagus sylvatica saplings from across its range, finding greater drought resistance in Iberian Peninsula saplings.

Differences in stomatal conductance between leaf shape genotypes of Ipomoea hederacea suggest divergent ecophysiological strategies

The paper examines differences in stomatal conductance between leaf shape genotypes of Ipomoea hederacea, finding that entire leaf genotypes have higher conductance in warmer conditions, suggesting divergent ecophysiological strategies.

Low relative air humidity leads to smaller, denser stomata and higher stomatal ratios in Arabidopsis

This study shows that low air humidity increases stomatal density and reduces stomatal size in Arabidopsis, leading to higher stomatal ratios and altered gas exchange.

Impact of sucrose sinks on phloem transport

This paper develops a numerical model to study how sucrose sinks along the phloem affect transport efficiency, showing that sink allocation influences mass flux and provides insights into carbon allocation evolution.

PhorEau: a new process-based model to predict forest functioning, from tree ecophysiology to forest dynamics and biogeography

The paper introduces PHOREAU, a process-based model that integrates plant phenology and hydraulics into gap models to improve predictions of forest dynamics and biogeography under climate change.

Phenotypic integration of post-germination traits in Quercus suber: morphological development is mediated by acorn mass; leaf physiology by populations aridity.

This study examines how acorn mass and population aridity influence morphological and physiological traits in Quercus suber seedlings, revealing distinct adaptive strategies across life stages.

Investigating the role of stomatal dynamics on agronomic traits using a slac1-2 Zea mays mutant

This study examines a Zea mays slac1-2 mutant to assess its impact on water use efficiency and agronomic traits, finding no improvement in CO2 assimilation or yield despite increased stomatal conductance.

The Existence and Uniqueness of Solutions in the Leaf Photosynthesis-Transpiration-Stomatal Conductance Model

This paper proves the existence and uniqueness of solutions in the An-E-gs model under the criteria gs > 0 and Ci > 0, resolving the solution selection problem.

Does sample size of leaf osmotic potential affect its relationship with cotton yield?

The paper investigates whether sample size affects the relationship between leaf osmotic potential and cotton yield, finding no significant difference with 3 or 6 samples per plot.

Assessing the combined effects of forest management and climate change on carbon and water fluxes in European beech forests

This study evaluates how climate change and forest management affect carbon and water fluxes in European beech forests using two process-based models across different sites and climate scenarios.

Large-scale remote sensing reveals that tree mortality in Germany appears to be greater than previously expected

Germany-wide 10 m remote sensing maps put 2018–2021 standing deadwood at 978 ± 529 kha, almost twice earlier satellite estimates; late frost, water deficit and heat were top predictors.

Comparison of morphological and physiological response to drought stress among temperate forest understory forbs and graminoids

This study compares morphological and physiological responses to drought stress between temperate forest understory forbs and graminoids, finding graminoids more drought-tolerant with higher water-use efficiency and forbs maintaining higher biomass.

Coordination of flux-related leaf and root traits impacts forest community assembly

The paper measures leaf and root traits in woody species to assess coordination and its impact on community structure, finding coordination of hydraulic traits and associations with ectomycorrhizal symbiosis and dominance.

Root metaxylem area influences drought tolerance and transpiration in pearl millet in a soil texture dependent manner

The paper examines how root metaxylem area affects drought tolerance and transpiration in pearl millet, showing soil texture-dependent water use strategies.

Linking stomatal size and density to water use efficiency and leaf carbon isotope ratio in juvenile and mature trees

This study links stomatal size and density to water-use efficiency and leaf carbon isotope ratio in juvenile and mature trees, showing GCL and SD as key functional traits.

Spatial variations in sap flow rates in mature tree stems before and after drilling treatment

This study compares sap flow rates in tree stems before and after drilling treatment using thermal-dissipation and dye uptake methods, finding similar flow values post-treatment.

Unsaturation and Approximate Isotopic Homogeneity in Leaf Air Spaces

The paper investigates assumptions about leaf air space saturation and isotopic homogeneity, finding that isotopic homogeneity is more reasonable than assuming saturation.

Implications of source-sink feedbacks for modelling tree carbon assimilation and growth

This paper presents a model of tree carbon assimilation and growth that incorporates source-sink feedbacks, showing that environmental factors have reduced effects on growth when sucrose concentrations are considered.

Ohmic analogies and metaphorical circuits: Vascular partitioning of leaf air spaces and stomatal patchiness can create apparent undersaturation and gradient inversion.

The paper shows that Ohmic models of leaf gas exchange can produce biases in apparent undersaturation and CO2 gradient inversion due to stomatal patchiness and vascular partitioning.

Transpirational water loss from flowers is low but unregulated

This study measures flower surface conductance across nine species and finds it is low and unresponsive to humidity changes, leading to linear water loss with vapor pressure deficit.

Predicted Future Changes in the Mean Seasonal Carbon Cycle Due to Climate Change

The paper uses a model to predict how climate change will reduce forests' ability to act as carbon sinks, despite increasing days of carbon uptake in some forests.

Effects of Drought and Salinity, etc. on Root Pressure of Dracaena sanderiana

This study measures root pressure in Dracaena sanderiana under drought, salinity, and other stress conditions, finding diurnal patterns and environmental impacts on pressure levels.

Xylem perforation plate phenotypes affect water use and drought adaptation in maize (Zea mays L.)

This study shows that xylem perforation plate variation in maize affects water transport and drought adaptation through pleiotropic effects on root traits.