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Researcher · Muséum national d'Histoire naturelle · France

J. R. Steffan

J. R. Steffan publishes mostly in Ecology, Evolution, Behavior and Systematics, Plant Science and Genetics, on topics such as Reproductive Physiology in Livestock, Hymenoptera taxonomy and phylogeny and Lepidoptera: Biology and Taxonomy.

OpenAlex
World rank
#5,201,820
of 7,710,434 ranked researchers
Rank in France
#219,779
of 324,115
Works
22
Citations
154
Citations per work
7.0
h-index
6
i10-index 4Top 76% in Ecology, Evolution, Behavior and Systematics
J. R. Steffan

What does J. R. Steffan research?

J. R. Steffan's work is mostly in Agricultural and Biological Sciences (48%), Biochemistry, Genetics and Molecular Biology (10%), Environmental Science (8%).

Life Sciences: 13 works · 57.7% of their workAgricultural and Biological Sciences: 11 works · 48.1% of their workEcology, Evolution, Behavior and Systematics: 5 works · 21.2% of their workAgronomy and Crop Science: 2 works · 9.6% of their workPlant Science: 2 works · 9.6% of their workInsect Science: 2 works · 7.7% of their workBiochemistry, Genetics and Molecular Biology: 2 works · 9.6% of their workGenetics: 2 works · 9.6% of their workEverything else: 8 works · 34.6% of their workPhysical Sciences: 2 works · 7.7% of their workEnvironmental Science: 2 works · 7.7% of their workEcology: 2 works · 7.7% of their workTHEIR WORKJ. R. Steffan22works
Life Sciences58%Physical Sciences8%

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. Agricultural and Biological Sciences1148.1%
    2. Biochemistry, Genetics and Molecular Biology29.6%
  2. Everything else834.6%
    1. Environmental Science27.7%
  1. 1Ecology, Evolution, Behavior and Systematics21% of their works
  2. 2Plant Science10% of their works
  3. 3Genetics10% of their works
  4. 4Agronomy and Crop Science10% of their works
  5. 5Insect Science8% of their works
  6. 6Ecology8% of their works

Research topics

Which keywords describe J. R. Steffan's research?

The keywords of their largest research topics: Phylogeny, Invasive Species, DNA Barcoding, Biological Control, Morphology, Biodiversity, Taxonomy and Climate Change.

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 25 words, with their numbers
  1. Phylogeny93 topics
  2. Invasive Species83 topics
  3. DNA Barcoding72 topics
  4. Biological Control62 topics
  5. Morphology62 topics
  6. Biodiversity52 topics
  7. Taxonomy52 topics
  8. Climate Change42 topics
  9. Gall-Inducing Insects41 topic
  10. Parasitoid Wasps41 topic
  11. Population Dynamics42 topics
  12. Reproductive Loss41 topic
  13. Uterine Disease41 topic
  14. Evolution31 topic
  15. Lepidoptera31 topic
  16. Amber Fossils21 topic
  17. Botanical Insecticides21 topic
  18. Caterpillar Envenoming21 topic
  19. Ecosystem Services21 topic
  20. Essential Oils21 topic
  21. Insect Evolution21 topic
  22. Mealybug21 topic
  23. Pollinator Decline21 topic
  24. Processionary Moth21 topic
  25. Scale Insects21 topic

Where does J. R. Steffan work?

J. R. Steffan's main affiliation in the publication record is Muséum national d'Histoire naturelle, France.

How many publications and citations does J. R. Steffan have?

OpenAlex counts 22 works and 154 citations for J. R. Steffan, an h-index of 6, ranking #5,201,820 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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