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Researcher · SUNY Fredonia · United States

Thomas A. Hegna

Thomas A. Hegna publishes mostly in Paleontology, Oceanography and Ecology, on topics such as Paleontology and Stratigraphy of Fossils, Paleontology and Evolutionary Biology and Marine Biology and Ecology Research.

ORCID 0000-0001-9067-8787 OpenAlex
World rank
#5,477,374
of 7,710,434 ranked researchers
Rank in United States
#1,382,303
of 1,627,098
Works
94
Citations
954
Citations per work
10.1
h-index
19
i10-index 26Top 27% in Paleontology
Thomas A. Hegna

What does Thomas A. Hegna research?

Thomas A. Hegna's work is mostly in Earth and Planetary Sciences (40%), Environmental Science (13%), Agricultural and Biological Sciences (7%).

Physical Sciences: 50 works · 53.0% of their workEarth and Planetary Sciences: 38 works · 40.0% of their workPaleontology: 28 works · 30.0% of their workOceanography: 9 works · 10.0% of their workEnvironmental Science: 12 works · 13.0% of their workEcology: 8 works · 8.7% of their workNature and Landscape Conservation: 4 works · 4.3% of their workEverything else: 33 works · 35.3% of their workLife Sciences: 11 works · 11.7% of their workAgricultural and Biological Sciences: 7 works · 7.4% of their workEcology, Evolution, Behavior and Systematics: 7 works · 7.4% of their workBiochemistry, Genetics and Molecular Biology: 4 works · 4.3% of their workGenetics: 4 works · 4.3% of their workTHEIR WORKThomas A. Hegna94works
Life Sciences12%Physical Sciences53%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Earth and Planetary Sciences3840.0%
    2. Environmental Science1213.0%
  2. Everything else3335.3%
    1. Agricultural and Biological Sciences77.4%
    2. Biochemistry, Genetics and Molecular Biology44.3%
  1. 1Paleontology30% of their works
  2. 2Oceanography10% of their works
  3. 3Ecology9% of their works
  4. 4Ecology, Evolution, Behavior and Systematics7% of their works
  5. 5Genetics4% of their works
  6. 6Nature and Landscape Conservation4% of their works

Research topics

Which keywords describe Thomas A. Hegna's research?

The keywords of their largest research topics: Biogeography, Paleoproductivity, Paleoredox, Evolution, Dinosaur, Phylogenetic Analysis, Ecosystem Functioning and Marine Biodiversity.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 20 words, with their numbers
  1. Biogeography353 topics
  2. Paleoproductivity311 topic
  3. Paleoredox311 topic
  4. Evolution292 topics
  5. Dinosaur211 topic
  6. Phylogenetic Analysis211 topic
  7. Ecosystem Functioning201 topic
  8. Marine Biodiversity201 topic
  9. Biodiversity162 topics
  10. Molecular Phylogeny152 topics
  11. Mammal Evolution91 topic
  12. Phylogenetic Comparative Analysis91 topic
  13. Cavefish81 topic
  14. Crayfish81 topic
  15. Invasion81 topic
  16. Subterranean81 topic
  17. Angiosperm Phylogeny61 topic
  18. Climate Change61 topic
  19. Flowering Plants61 topic
  20. Paleoclimatology61 topic

Where does Thomas A. Hegna work?

Thomas A. Hegna's main affiliation in the publication record is SUNY Fredonia, United States.

How many publications and citations does Thomas A. Hegna have?

OpenAlex counts 94 works and 954 citations for Thomas A. Hegna, an h-index of 19, ranking #5,477,374 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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