World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
44
Citations
8662
World Ranking
2984
National Ranking
740

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Ecosystem

His primary areas of study are Botany, Ecology, Ozone depletion, Biomass and Plant community. In general Botany, his work in Herbaceous plant and Uv b radiation is often linked to UVB Radiation linking many areas of study. His work in Tundra, Global warming, Vegetation and Productivity is related to Ecology.

His Ozone depletion study combines topics in areas such as Photosynthesis and Colobanthus quitensis, Deschampsia antarctica. His Biomass study integrates concerns from other disciplines, such as Growing season, Herbivore, Grassland, Poa pratensis and Grazing. Thomas A. Day combines subjects such as Climate change, Schizachyrium scoparium, Ecosystem and Cumulative effects with his study of Plant community.

His most cited work include:

  • Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time. (598 citations)
  • Plot-scale evidence of tundra vegetation change and links to recent summer warming. (536 citations)
  • Are some plant life forms more effective than others in screening out ultraviolet-B radiation? (213 citations)

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

Thomas A. Day focuses on Botany, Deschampsia antarctica, Colobanthus quitensis, Ecology and Horticulture. Botany is often connected to Ozone depletion in his work. He interconnects Glacier foreland, Tundra and Physical geography in the investigation of issues within Deschampsia antarctica.

Thomas A. Day studied Tundra and Global warming that intersect with Vegetation, Cumulative effects and Biome. His Colobanthus quitensis research is multidisciplinary, relying on both Vegetative reproduction, Growing season, Biomass, Oceanography and Caryophyllaceae. His study in the field of Ecosystem and Soil water is also linked to topics like Nitrogen cycle.

He most often published in these fields:

  • Botany (50.00%)
  • Deschampsia antarctica (25.00%)
  • Colobanthus quitensis (23.44%)

What were the highlights of his more recent work (between 2011-2020)?

  • Plant litter (10.94%)
  • Litter (12.50%)
  • Photodegradation (7.81%)

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

Thomas A. Day mainly investigates Plant litter, Litter, Photodegradation, Sunlight and Ecology. His research on Plant litter often connects related topics like Botany. His study in the fields of Secondary succession under the domain of Botany overlaps with other disciplines such as Nitrification.

In general Ecology study, his work on Ecosystem, Tundra and Global warming often relates to the realm of Nitrogen cycle and Deglaciation, thereby connecting several areas of interest. His work carried out in the field of Tundra brings together such families of science as Productivity and Permafrost. The various areas that Thomas A. Day examines in his Climate change study include Plant community and Cumulative effects.

Between 2011 and 2020, his most popular works were:

  • Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time. (598 citations)
  • Plot-scale evidence of tundra vegetation change and links to recent summer warming. (536 citations)
  • Nitrogen cycling in desert biological soil crusts across biogeographic regions in the Southwestern United States (67 citations)

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

  • Ecology
  • Botany
  • Ecosystem

His primary areas of investigation include Ecology, Tundra, Global warming, Ecosystem and Vegetation. His work on Bulk soil and Arid as part of general Ecology research is often related to Extinction risk from global warming, Denitrification and Nitrogen cycle, thus linking different fields of science. His Tundra research incorporates elements of Productivity, Permafrost and Biome.

His Global warming research incorporates themes from Plant community, Climatology and Cumulative effects. His study in the field of Biological soil crust also crosses realms of Cycling.

Best Publications

  • Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time.

    Sarah C. Elmendorf;Gregory H. R. Henry;Robert D. Hollister;Robert G. Bjork

  • Plot-scale evidence of tundra vegetation change and links to recent summer warming.

    Sarah C. Elmendorf;Gregory H.R. Henry;Robert D. Hollister;Robert G. Björk

  • Are some plant life forms more effective than others in screening out ultraviolet-B radiation?

    T. A. Day;T. C. Vogelmann;E. H. DeLucia

  • Relating UV-B radiation screening effectiveness of foliage to absorbing-compound concentration and anatomical characteristics in a diverse group of plants

    T. A. Day

  • Growth and reproduction of Antarctic vascular plants in response to warming and UV radiation reductions in the field

    Thomas Day;C. T. Ruhland;C. W. Grobe;F. Xiong

  • Effect of solar ultraviolet-B radiation during springtime ozone depletion on photosynthesis and biomass production of Antarctic vascular plants.

    Fusheng S. Xiong;Thomas A. Day

  • Grassland patch dynamics and herbivore grazing preference following urine deposition

    T. A. Day;T. A. Day;J. K. Detling

  • Effects of UV-B Radiation on Terrestrial and Aquatic Primary Producers*

    Thomas A. Day;Patrick J. Neale

  • Penetration of UV‐B radiation in foliage: evidence that the epidermis behaves as a non‐uniform filter

    Thomas Day;G. Martin;T. C. Vogelmann

  • Photosynthetic and respiratory acclimation and growth response of Antarctic vascular plants to contrasting temperature regimes

    Fusheng S. Xiong;Erin C. Mueller;Thomas A. Day

  • Ultraviolet‐B and visible light penetration into needles of two species of subalpine conifers during foliar development

    E. H. DeLUCIA;Thomas Day;T. C. Vogelman

  • Warming increases aboveground plant biomass and C stocks in vascular‐plant‐dominated Antarctic tundra

    Thomas A. Day;Christopher T. Ruhland;Fusheng S. Xiong

  • Exposure to solar UV-B radiation accelerates mass and lignin loss of Larrea tridentata litter in the Sonoran Desert

    Thomas A. Day;Elisa T. Zhang;Christopher T. Ruhland

  • Ultraviolet absorption and epidermal-transmittance spectra in foliage

    Thomas Day;B. W. Howells;W. J. Rice

  • Effects of ultraviolet‐B radiation on leaf elongation, production and phenylpropanoid concentrations of Deschampsia antarctica and Colobanthus quitensis in Antarctica

    Christopher T. Ruhland;Thomas A. Day

  • Photosynthetic temperature response of the Antarctic vascular plants Colobanthus quitensis and Deschampsia antarctica

    F. S. Xiong;Christopher T. Ruhland;Thomas A. Day

  • Effect of Neotyphodium endophyte infection on growth and leaf gas exchange of Arizona fescue under contrasting water availability regimes

    Laura J. Morse;Thomas Day;S. H. Faeth

  • Influence of solar ultraviolet-B radiation on Antarctic terrestrial plants: Results from a 4-year field study

    Thomas Day;C. T. Ruhland;F. S. Xiong

  • Response of antarctic terrestrial microarthropods to long-term climate manipulations

    P. Convey;Philip J.A. Pugh;C. Jackson;A.W. Murray

  • EFFECT OF ENHANCED UV-B RADIATION ON POLLEN QUANTITY, QUALITY, AND SEED YIELD IN BRASSICA RAPA (BRASSICACEAE)

    Sophie M. Demchik;Thomas A. Day

  • Alterations in photosynthesis and pigment distributions in pea leaves following UV‐B exposure

    Thomas Day;T. C. Vogelmann

  • Nitrogen cycling in desert biological soil crusts across biogeographic regions in the Southwestern United States

    Sarah L. Strauss;Sarah L. Strauss;Thomas A. Day;Ferran Garcia-Pichel;Ferran Garcia-Pichel

  • Changes in leaf expansion and epidermal screening effectiveness in Liquidambar styraciflua and Pinus taeda in response to UV‐B radiation

    Joe H. Sullivan;Bradley W. Howells;Christopher T. Ruhland;Thomas A. Day

  • Changes in growth and pigment concentrations with leaf age in pea under modulated UV-B radiation field treatments

    Thomas Day;B. W. Howells;C. T. Ruhland

  • The effect of urban ground cover on microclimate, growth and leaf gas exchange of oleander in Phoenix, Arizona

    Erin C. Mueller;Thomas A. Day

  • Response of plants and the dominant microarthropod, Cryptopygus antarcticus, to warming and contrasting precipitation regimes in Antarctic tundra

    Thomas A. Day;Christopher T. Ruhland;Sarah L. Strauss;Ji-Hyung Park

  • Ultraviolet absorption and epidermal-transmittance spectra in foliage [UV-A radiation, UV-B radiation]

    T.A. Day;B.W. Howells;W.J. Rice

Frequent Co-Authors

Terry V. Callaghan
Terry V. Callaghan University of Sheffield
Johannes H. C. Cornelissen
Johannes H. C. Cornelissen Vrije Universiteit Amsterdam
John Harte
John Harte University of California, Berkeley
Anne Tolvanen
Anne Tolvanen Natural Resources Institute Finland
Ulf Molau
Ulf Molau University of Gothenburg
Gregory H. R. Henry
Gregory H. R. Henry University of British Columbia
Christian Rixen
Christian Rixen Swiss Federal Institute for Forest, Snow and Landscape Research
Annika Hofgaard
Annika Hofgaard Norwegian Institute for Nature Research
Ferran Garcia-Pichel
Ferran Garcia-Pichel Arizona State University
Gaku Kudo
Gaku Kudo Hokkaido University

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