Science Explorer Interactive view Map
Researcher · Ōtani University · Japan

Nagao Koyama

Nagao Koyama publishes mostly in Ecology, Evolution, Behavior and Systematics, Genetics and Insect Science, on topics such as Plant and animal studies, Entomological Studies and Ecology and Hymenoptera taxonomy and phylogeny.

World rank
#1,216,413
of 1,633,909 ranked researchers
Rank in Japan
#75,374
of 114,622
Works
15
Citations
2
Citations per work
0.1

What does Nagao Koyama research?

Ecology, Evolution, Behavior and Systematics: 30.0%Genetics: 20.0%Insect Science: 20.0%Astronomy and Astrophysics: 10.0%other fields: 20.0%30%top field
Ecology, Evolution, Behavior and Systematics30.0%Genetics20.0%Insect Science20.0%Astronomy and Astrophysics10.0%other fields20.0%

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 Systematics30% of their works
  2. 2Genetics20% of their works
  3. 3Insect Science20% of their works
  4. 4Astronomy and Astrophysics10% of their works
  5. 5Cellular and Molecular Neuroscience10% of their works
  6. 6Plant Science10% of their works

Research topics

Which keywords describe Nagao Koyama's research?

The keywords of their largest research topics: Biodiversity, Climate Change, Biological Control, DNA Barcoding, Caterpillar Envenoming, Conservation, Ecosystem Services and Gall-Inducing Insects.

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. Biodiversity33 topics
  2. Climate Change33 topics
  3. Biological Control22 topics
  4. DNA Barcoding22 topics
  5. Caterpillar Envenoming11 topic
  6. Conservation11 topic
  7. Ecosystem Services11 topic
  8. Gall-Inducing Insects11 topic
  9. Genomics11 topic
  10. Herbivore-Induced Plant Volatiles11 topic
  11. Honey Bees11 topic
  12. Jasmonate Signaling11 topic
  13. Lepidoptera11 topic
  14. Neonicotinoids11 topic
  15. Parasitoid Wasps11 topic
  16. Pollinator Decline11 topic
  17. Processionary Moth11 topic
  18. Social Insects11 topic
  19. Taxonomy11 topic
  20. Vascular Plants11 topic

Where does Nagao Koyama work?

Nagao Koyama's main affiliation in the publication record is Ōtani University, Japan.

How many publications and citations does Nagao Koyama have?

Science Explorer counts 15 works and 2 citations for Nagao Koyama, ranking #1,216,413 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.