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Topic · Plant Science

Plant responses to elevated CO2

Plant responses to elevated CO2 is a research topic within Plant Science. Science Explorer counts 22k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the impacts of elevated carbon dioxide (CO2) and ozone on plant physiology, including effects on photosynthesis, stomatal conductance, crop yield, nitrogen assimilation, and responses to particulate pollution. The research also addresses the implications for food security and the broader effects of climate change on plant responses.

  • CO2 Enrichment
  • Ozone Effects
  • Plant Growth
  • Photosynthesis
  • Stomatal Conductance
  • Crop Yield
  • Climate Change
  • Nitrogen Assimilation
  • Particulate Pollution
  • Food Security
Research works
22k
fractional, since 1950
In the world top 10%
2.2k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+9%
the tick is no change
Largest producer
China
43% of the 10 largest, 2022-now
Plant responses to elevated CO2

Which countries lead Plant responses to elevated CO2 research?

By volume, China and India publish the most (1.1k and 411 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.1k works
  2. 2 India 411 works
  3. 3 United States 382 works
  4. 4 Italy 110 works
  5. 5 Germany 106 works
  6. 6 Spain 104 works
  7. 7 Russia 92 works
  8. 8 France 92 works
  9. 9 United Kingdom 91 works
  10. 10 Pakistan 89 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 42.5%India: 16.0%United States: 14.9%Italy: 4.3%6 others listed: 22.3%43%largest
China1,094 · 42.5%India411 · 16.0%United States382 · 14.9%Italy110 · 4.3%6 others listed575 · 22.3%

Shares of the rows listed above, not of the whole node.

Which institutions lead Plant responses to elevated CO2 research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Plant responses to elevated CO2 research, followed by Chinese Academy of Agricultural Sciences and Indian Council of Agricultural Research.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 125 works
  2. 2 Chinese Academy of Agricultural SciencesChina 66 works
  3. 3 Indian Council of Agricultural ResearchIndia 57 works
  4. 4 Russian Academy of SciencesRussia 41 works
  5. 5 Nanjing University of Information Science and TechnologyChina 29 works
  6. 6 United States Department of AgricultureUnited States 28 works
  7. 7 Centre National de la Recherche ScientifiqueFrance 27 works
  8. 8 Consejo Superior de Investigaciones CientíficasSpain 26 works
  9. 9 University of Chinese Academy of SciencesChina 26 works
  10. 10 Banaras Hindu UniversityIndia 26 works

Who are the leading researchers in Plant responses to elevated CO2?

The most-cited researchers publishing on Plant responses to elevated CO2 include Jun Wang, Mark A. Bradford and Lídia Morawska.

  1. 1 Jun Wang China 340k citations
  2. 2 Mark A. Bradford United States 268k citations
  3. 3 Lídia Morawska Australia 244k citations
  4. 4 Philippe Ciais France 237k citations
  5. 5 David Tilman United States 209k citations
  6. 6 Guangming Zeng China 204k citations
  7. 7 Peter B. Reich United States 189k citations
  8. 8 Michael D Brauer Canada 187k citations
  9. 9 F. Stuart Chapin United States 185k citations
  10. 10 Barry B. Halliwell United Kingdom 179k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Plant responses to elevated CO2?

The most cited paper in Plant responses to elevated CO2 is "Reactive oxygen species and antioxidant machinery in abiotic stress tolerance in crop plants" (Sarvajeet Singh Gill, Narendra Tuteja, 2010), with 11,846 citations. Next come "A biochemical model of photosynthetic CO2 assimilation in leaves of C3 species" (9,134) and "A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests" (7,876).

Most cited papers
#PaperReleasedCitations
1 Reactive oxygen species and antioxidant machinery in abiotic stress tolerance in crop plants Sarvajeet Singh Gill, Narendra Tuteja · Plant Physiology and Biochemistry 16 Sep 2010 11,846
2 A biochemical model of photosynthetic CO2 assimilation in leaves of C3 species Graham D. Farquhar, Susanne von Caemmerer, Joseph A. Berry · Planta Jun 1980 9,134
3 A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests Craig D. Allen, Alison K. Macalady, Haroun Chenchouni et al. · Forest Ecology and Management Open access 22 Oct 2009 7,876
4 Forests and Climate Change: Forcings, Feedbacks, and the Climate Benefits of Forests Gordon B. Bonan · Science 12 Jun 2008 6,431
5 Determination of accurate extinction coefficients and simultaneous equations for assaying chlorophylls a and b extracted with four different solvents: verification of the concentration of chlorophyll standards by atomic absorption spectroscopy R.J. Porra, Wendy A. Thompson, Paul E. Kriedemann · Biochimica et Biophysica Acta (BBA) - Bioenergetics Aug 1989 6,106
All 99 most cited papers, with filters and sorting

Where is Plant responses to elevated CO2 research done?

The largest centres of Plant responses to elevated CO2 research in 2022-now are Beijing (China), Nanjing (China), New Delhi (India) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Yangling and Faisalabad.

Largest cities, 2022-now

  1. 1 BeijingChina 296 works
  2. 2 NanjingChina 104 works
  3. 3 New DelhiIndia 56 works
  4. 4 GuangzhouChina 37 works
  5. 5 MoscowRussia 33 works
  6. 6 ParisFrance 29 works
  7. 7 HarbinChina 29 works
  8. 8 ShanghaiChina 29 works
  9. 9 LanzhouChina 27 works
  10. 10 VaranasiIndia 26 works

Where it is the local speciality

  1. YanglingCN · 25.7 works18×
  2. FaisalabadPK · 22.8 works12×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Plant responses to elevated CO2 than the world average.

See Plant responses to elevated CO2 on the map

Where is the best place to study Plant responses to elevated CO2?

Among universities, judged by research, China Agricultural University, University of Agriculture Faisalabad and Northwest A&F University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 14.97%fractional works in this field (log) →share of work in the world top 10% →King Saud UniversityChina Agricultural U…University of Agricu…Northwest A&F Univer…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1China Agricultural UniversityChina 74.123.8%12.0×22 +28.6%
2University of Agriculture FaisalabadPakistan 67.817.2%24.4×13 +34.8%
3Northwest A&F UniversityChina 63.714.3%20.1×26 +6.8%
4King Saud UniversitySaudi Arabia 63.429.3%2.5×8 +28.7%
5Nanjing University of Information Science and TechnologyChina 58.15.9%22.1×29 +43.6%
6Wageningen University & ResearchNetherlands 54.915.0%10.6×13 +8.8%
7Banaras Hindu UniversityIndia 54.67.6%10.1×26 +15.6%
8University of Chinese Academy of SciencesChina 54.59.8%4.9×26 +12.5%
9Western Sydney UniversityAustralia 54.020.0%13.9×13 -24.1%
10Nanjing Agricultural UniversityChina 51.76.8%18.8×24 -4.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Plant responses to elevated CO2, country by country

Is Plant responses to elevated CO2 research growing?

Output in 2022-2025 was 9% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Plant responses to elevated CO2.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Plant responses to elevated CO2 as a percentage of every work published that year, 0.015% in 2024.

still counting0.020%0.040%Plant responses to elevated CO20.014% in 202519801990200020102020

Fractional works of Plant responses to elevated CO2 over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Plant responses to elevated CO210.0% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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