World's Best Scientists 2026 revealed!
Margaret M. Barbour

Margaret M. Barbour

D-Index & Metrics

Plant Science and Agronomy

D-Index
45
Citations
9612
World Ranking
2790
National Ranking
213

Overview

What is she best known for?

The fields of study she is best known for:

  • Ecology
  • Botany
  • Photosynthesis

Margaret M. Barbour spends much of her time researching Botany, Ecology, Photosynthesis, Stomatal conductance and Environmental chemistry. Margaret M. Barbour has researched Botany in several fields, including Cellulose and Oxygen isotope ratio cycle. Photosynthesis is frequently linked to Respiration in her study.

Her biological study spans a wide range of topics, including Agronomy, Water-use efficiency and Horticulture. Her studies deal with areas such as Carbon dioxide and Atmospheric sciences as well as Water-use efficiency. She works mostly in the field of Environmental chemistry, limiting it down to topics relating to Soil water and, in certain cases, Plant tissue.

Her most cited work include:

  • Mesophyll diffusion conductance to CO2: an unappreciated central player in photosynthesis (431 citations)
  • Stable oxygen isotope composition of plant tissue: a review (422 citations)
  • Relative humidity‐ and ABA‐induced variation in carbon and oxygen isotope ratios of cotton leaves (282 citations)

What are the main themes of her work throughout her whole career to date?

Her primary scientific interests are in Botany, Photosynthesis, Stomatal conductance, Transpiration and Carbon dioxide. Her work on Respiration is typically connected to Conductance as part of general Botany study, connecting several disciplines of science. The Photosynthesis study combines topics in areas such as Nothofagus, Growing season and Isotopes of carbon.

Her Isotopes of carbon research integrates issues from Environmental chemistry and δ13C. Her research in Stomatal conductance intersects with topics in Ecophysiology, Agronomy, Plant breeding, Water-use efficiency and Nocturnal. Margaret M. Barbour interconnects Cuvette, Leaf water and Atmospheric sciences in the investigation of issues within Transpiration.

She most often published in these fields:

  • Botany (61.98%)
  • Photosynthesis (37.19%)
  • Stomatal conductance (27.27%)

What were the highlights of her more recent work (between 2018-2021)?

  • Photosynthesis (37.19%)
  • Stomatal conductance (27.27%)
  • Horticulture (9.09%)

In recent papers she was focusing on the following fields of study:

Her main research concerns Photosynthesis, Stomatal conductance, Horticulture, Plant breeding and Quantitative trait locus. Her study in Photosynthesis is interdisciplinary in nature, drawing from both Thermoregulation, Homeothermy, Poikilotherm and Carbon cycle. Her Stomatal conductance research is multidisciplinary, incorporating elements of Membrane permeability and Drought tolerance.

Her work on Shoot and Sunflower as part of general Horticulture study is frequently connected to Conductance and Diffusion, therefore bridging the gap between diverse disciplines of science and establishing a new relationship between them. Plant breeding is a subfield of Botany that Margaret M. Barbour tackles. Margaret M. Barbour studied Plant physiology and Transpiration that intersect with Cuvette.

Between 2018 and 2021, her most popular works were:

  • Embracing 3D Complexity in Leaf Carbon-Water Exchange. (26 citations)
  • Cell and chloroplast anatomical features are poorly estimated from 2D cross‐sections (15 citations)
  • The temperature response of mesophyll conductance, and its component conductances, varies between species and genotypes. (14 citations)

In her most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Photosynthesis

Margaret M. Barbour mainly investigates Conductance, Horticulture, Photosynthesis, Interpretation and Composition. Conductance is integrated with Transpiration, Plant physiology, Diffusion, Chloroplast membrane and Sunflower in her study. Her Horticulture study incorporates themes from Leaf water, Membrane permeability and Stomatal conductance.

Margaret M. Barbour conducts interdisciplinary study in the fields of Photosynthesis and Temperature response through her works. Her study deals with a combination of Interpretation and Environmental chemistry.

Best Publications

  • Mesophyll diffusion conductance to CO2: an unappreciated central player in photosynthesis

    Jaume Flexas;Margaret M. Barbour;Oliver Brendel;Hernán M. Cabrera

  • Stable oxygen isotope composition of plant tissue: a review

    Margaret M. Barbour

  • Relative humidity‐ and ABA‐induced variation in carbon and oxygen isotope ratios of cotton leaves

    Margaret Barbour;Graham Farquhar

  • Why are non-photosynthetic tissues generally 13C enriched compared with leaves in C3 plants? Review and synthesis of current hypotheses.

    Lucas A. Cernusak;Guillaume Tcherkez;Claudia Keitel;William K. Cornwell

  • Sensitivity of plants to changing atmospheric CO2 concentration: From the geological past to the next century

    Peter J Franks;Mark A Adams;Jeffrey S. Amthor;Margaret M Barbour

  • Diffusional conductances to CO2 as a target for increasing photosynthesis and photosynthetic water-use efficiency.

    Jaume Flexas;Ülo Niinemets;Alexander Gallé;Alexander Gallé;Margaret M. Barbour

  • Expressing leaf water and cellulose oxygen isotope ratios as enrichment above source water reveals evidence of a Péclet effect

    Margaret M. Barbour;John S. Roden;John S. Roden;Graham D. Farquhar;James R. Ehleringer

  • Stable isotopes in leaf water of terrestrial plants.

    Lucas A. Cernusak;Margaret M. Barbour;Stefan K. Arndt;Alexander W. Cheesman

  • Seasonal variation in δ13C and δ18O of cellulose from growth rings of Pinus radiata

    M. M. Barbour;A. S. Walcroft;G. D. Farquhar

  • Oxygen isotope ratio of leaf and grain material correlates with stomatal conductance and grain yield in irrigated wheat

    Margaret Barbour;R Fischer;Ken Sayre;Graham Farquhar

  • Correlations between oxygen isotope ratios of wood constituents of Quercus and Pinus samples from around the world

    Margaret M. Barbour;T. John Andrews;Graham D. Farquhar

  • Interpretation of oxygen isotope composition of leaf material

    G.D. Farquhar;M.M. Barbour;B.K. Henry

  • Variation in the oxygen isotope ratio of phloem sap sucrose from castor bean. Evidence in support of the Péclet effect.

    Margaret Barbour;U Schurr;U Schurr;Beverley K Henry;Suan Chin Wong

  • A new measurement technique reveals rapid post‐illumination changes in the carbon isotope composition of leaf‐respired CO2

    Margaret M. Barbour;Nate G. Mcdowell;Guillaume Tcherkez;Christopher P. Bickford

  • Leaf day respiration: low CO2 flux but high significance for metabolism and carbon balance

    Guillaume Tcherkez;Paul P Gauthier;Thomas N Buckley;Florian A Busch

  • Variability in mesophyll conductance between barley genotypes, and effects on transpiration efficiency and carbon isotope discrimination.

    Margaret M. Barbour;Charles R. Warren;Graham D. Farquhar;Guy Forrester

  • Do pathways of water movement and leaf anatomical dimensions allow development of gradients in H218O between veins and the sites of evaporation within leaves

    Margaret Barbour;Graham Farquhar

  • Online CO2 and H2O oxygen isotope fractionation allows estimation of mesophyll conductance in C4 plants, and reveals that mesophyll conductance decreases as leaves age in both C4 and C3 plants

    Margaret M. Barbour;John R. Evans;Kevin A. Simonin;Susanne von Caemmerer

  • Sap flow rates and sapwood density are critical factors in within‐ and between‐tree variation in CO2 efflux from stems of mature Dacrydium cupressinum trees

    William P. Bowman;Margaret M. Barbour;Matthew H. Turnbull;David T. Tissue

  • Climate and soils together regulate photosynthetic carbon isotope discrimination within C3 plants worldwide

    Wiliam K. Cornwell;Wiliam K. Cornwell;Iain A. Wright;Joel Turner;Vincent Maire;Vincent Maire

  • Ecosystem service and biodiversity trade-offs in two woody successions

    Ian A. Dickie;Gregor W. Yeates;Mark G. St. John;Bryan A. Stevenson

  • Nocturnal stomatal conductance and implications for modelling δ18O of leaf-respired CO2 in temperate tree species.

    Margaret M. Barbour;Lucas A. Cernusak;David Whitehead;Kevin L. Griffin

Frequent Co-Authors

Graham D. Farquhar
Graham D. Farquhar Australian National University
Matthew H. Turnbull
Matthew H. Turnbull University of Canterbury
John E. Hunt
John E. Hunt Landcare Research
David Whitehead
David Whitehead Landcare Research
Guillaume Tcherkez
Guillaume Tcherkez Australian National University
David T. Tissue
David T. Tissue Western Sydney University
Kevin L. Griffin
Kevin L. Griffin Columbia University
Lucas A. Cernusak
Lucas A. Cernusak James Cook University
Lisa Wingate
Lisa Wingate INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Thomas N. Buckley
Thomas N. Buckley University of California, Davis

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