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Researcher · California University of Pennsylvania · United States

D. H. Janzen

D. H. Janzen publishes mostly in Ecology, Evolution, Behavior and Systematics, Insect Science and Global and Planetary Change, on topics such as Insect-Plant Interactions and Control, Insect behavior and control techniques and Forest Management and Policy.

OpenAlex
World rank
#2,424,133
of 7,710,434 ranked researchers
Rank in United States
#717,916
of 1,627,098
Works
22
Citations
5.3k
Citations per work
241.7
h-index
11
i10-index 12Top 44% in Ecology, Evolution, Behavior and Systematics
D. H. Janzen

What does D. H. Janzen research?

D. H. Janzen's work is mostly in Agricultural and Biological Sciences (53%), Environmental Science (18%), Biochemistry, Genetics and Molecular Biology (9%).

Life Sciences: 14 works · 62.3% of their workAgricultural and Biological Sciences: 12 works · 53.4% of their workEcology, Evolution, Behavior and Systematics: 6 works · 26.7% of their workInsect Science: 4 works · 20.0% of their workPlant Science: 1 works · 6.7% of their workBiochemistry, Genetics and Molecular Biology: 2 works · 8.9% of their workGenetics: 2 works · 8.9% of their workEverything else: 4 works · 19.9% of their workPhysical Sciences: 4 works · 17.8% of their workEnvironmental Science: 4 works · 17.8% of their workGlobal and Planetary Change: 2 works · 11.1% of their workEcology: 1 works · 6.7% of their workTHEIR WORKD. H. Janzen22works
Life Sciences62%Physical Sciences18%

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 Sciences1253.4%
    2. Biochemistry, Genetics and Molecular Biology28.9%
  2. Everything else419.9%
    1. Environmental Science417.8%
  1. 1Ecology, Evolution, Behavior and Systematics27% of their works
  2. 2Insect Science20% of their works
  3. 3Global and Planetary Change11% of their works
  4. 4Genetics9% of their works
  5. 5Plant Science7% of their works
  6. 6Ecology7% of their works

Research topics

Which keywords describe D. H. Janzen's research?

The keywords of their largest research topics: Biological Control, Invasive Species, Biodiversity Conservation, Ecosystem Services, Herbivore-Induced Plant Volatiles, Jasmonate Signaling, Phylogeny and Climate Change Impacts.

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 21 words, with their numbers
  1. Biological Control93 topics
  2. Invasive Species73 topics
  3. Biodiversity Conservation52 topics
  4. Ecosystem Services42 topics
  5. Herbivore-Induced Plant Volatiles41 topic
  6. Jasmonate Signaling41 topic
  7. Phylogeny42 topics
  8. Climate Change Impacts31 topic
  9. Drosophila Suzukii31 topic
  10. Forest Carbon Sequestration31 topic
  11. Fruit Fly31 topic
  12. Agroforestry21 topic
  13. Antioxidant21 topic
  14. Cacao21 topic
  15. Cyperus21 topic
  16. Gall-Inducing Insects21 topic
  17. Lupin Seeds21 topic
  18. Parasitoid Wasps21 topic
  19. Plant-Animal Interactions21 topic
  20. Pollinator Decline21 topic
  21. Secondary Metabolites21 topic

Where does D. H. Janzen work?

D. H. Janzen's main affiliation in the publication record is California University of Pennsylvania, United States.

How many publications and citations does D. H. Janzen have?

OpenAlex counts 22 works and 5,318 citations for D. H. Janzen, an h-index of 11, ranking #2,424,133 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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