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Charles W. O’Brien

Charles W. O’Brien publishes mostly in Ecology, Evolution, Behavior and Systematics, Ecology and Insect Science, on topics such as Forest Insect Ecology and Management, Coleoptera Taxonomy and Distribution and Coleoptera: Cerambycidae studies.

World rank
#47,203
of 1,633,909 ranked researchers
Rank in United States
#21,724
of 358,040
Works
49
Citations
317
Citations per work
6.5

What does Charles W. O’Brien research?

Ecology, Evolution, Behavior and Systematics: 26.1%Ecology: 20.3%Insect Science: 18.8%Plant Science: 15.9%other fields: 18.9%26%top field
Ecology, Evolution, Behavior and Systematics26.1%Ecology20.3%Insect Science18.8%Plant Science15.9%other fields18.9%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Ecology, Evolution, Behavior and Systematics26% of their works
  2. 2Ecology20% of their works
  3. 3Insect Science19% of their works
  4. 4Plant Science16% of their works
  5. 5Molecular Biology3% of their works
  6. 6Paleontology3% of their works

Research topics

Which keywords describe Charles W. O’Brien's research?

The keywords of their largest research topics: Invasive Species, Coleoptera, Taxonomy, Bark Beetles, Forest Pests, Pest Management, Biological Control and Evolution.

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 22 words, with their numbers
  1. Invasive Species203 topics
  2. Coleoptera162 topics
  3. Taxonomy162 topics
  4. Bark Beetles141 topic
  5. Forest Pests141 topic
  6. Pest Management143 topics
  7. Biological Control103 topics
  8. Evolution101 topic
  9. Phylogeny101 topic
  10. Conservation82 topics
  11. Cerambycidae61 topic
  12. Neotropical Region61 topic
  13. Antioxidant Activity51 topic
  14. Botanical Insecticides51 topic
  15. Essential Oils51 topic
  16. Phenolic Profile51 topic
  17. Drosophila Suzukii41 topic
  18. Fruit Fly41 topic
  19. Herbivore-Induced Plant Volatiles41 topic
  20. Jasmonate Signaling41 topic
  21. Ecological Impact21 topic
  22. Water Hyacinth21 topic

Where does Charles W. O’Brien work?

Charles W. O’Brien's main affiliation in the publication record is Florida Agricultural and Mechanical University, United States.

How many publications and citations does Charles W. O’Brien have?

Science Explorer counts 49 works and 317 citations for Charles W. O’Brien, ranking #47,203 of 1,633,909 researchers worldwide on the composite 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 are in the interactive view on the map. Is this your page? Request a correction or removal.