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Researcher · University of Alberta · Canada

John R. Spence

John R. Spence publishes mostly in Ecology, Evolution, Behavior and Systematics, Ecology and Insect Science, on topics such as Forest Ecology and Biodiversity Studies, Forest Insect Ecology and Management and Bryophyte Studies and Records.

World rank
#124,958
of 1,633,909 ranked researchers
Rank in Canada
#4,277
of 38,960
Works
71
Citations
315
Citations per work
4.4

What does John R. Spence research?

Ecology, Evolution, Behavior and Systematics: 23.8%Ecology: 17.5%Insect Science: 12.5%Genetics: 7.5%other fields: 38.7%24%top field
Ecology, Evolution, Behavior and Systematics23.8%Ecology17.5%Insect Science12.5%Genetics7.5%other fields38.7%

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 Systematics24% of their works
  2. 2Ecology18% of their works
  3. 3Insect Science12% of their works
  4. 4Genetics8% of their works
  5. 5Plant Science8% of their works
  6. 6Nature and Landscape Conservation6% of their works

Research topics

Which keywords describe John R. Spence's research?

The keywords of their largest research topics: Biological Invasions, Invasive Species, Climate Change, Biogeography, Habitat Fragmentation, Bark Beetles, Dead Wood and Forest Management.

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 23 words, with their numbers
  1. Biological Invasions142 topics
  2. Invasive Species142 topics
  3. Climate Change122 topics
  4. Biogeography113 topics
  5. Habitat Fragmentation102 topics
  6. Bark Beetles91 topic
  7. Dead Wood91 topic
  8. Forest Management91 topic
  9. Forest Pests91 topic
  10. Mosses92 topics
  11. Phylogeny72 topics
  12. Biodiversity51 topic
  13. Bryophyte51 topic
  14. Conservation51 topic
  15. Liverworts51 topic
  16. Lichen41 topic
  17. Symbiosis41 topic
  18. Forest Fires31 topic
  19. Traditional Irrigation31 topic
  20. Water Sustainability31 topic
  21. Wildfire Activity31 topic
  22. Coleoptera21 topic
  23. Evolution21 topic

Where does John R. Spence work?

John R. Spence's main affiliation in the publication record is University of Alberta, Canada.

How many publications and citations does John R. Spence have?

Science Explorer counts 71 works and 315 citations for John R. Spence, ranking #124,958 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.