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Researcher · University of Missouri–St. Louis · United States

Robert J. Marquis

Robert J. Marquis publishes mostly in Ecology, Ecology, Evolution, Behavior and Systematics and Nature and Landscape Conservation, on topics such as Plant and animal studies, Forest Insect Ecology and Management and Ecology and Vegetation Dynamics Studies.

ORCID 0000-0003-3731-5033 OpenAlex
World rank
#670,605
of 1,633,909 ranked researchers
Rank in United States
#203,837
of 358,040
Works
20
Citations
108
Citations per work
5.4

What does Robert J. Marquis research?

Ecology: 32.3%Ecology, Evolution, Behavior and Systematics: 25.8%Nature and Landscape Conservation: 12.9%Plant Science: 6.5%other fields: 22.5%32%top field
Ecology32.3%Ecology, Evolution, Behavior and Systematics25.8%Nature and Landscape Conservation12.9%Plant Science6.5%other fields22.5%

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

  1. 1Ecology32% of their works
  2. 2Ecology, Evolution, Behavior and Systematics26% of their works
  3. 3Nature and Landscape Conservation13% of their works
  4. 4Plant Science6% of their works
  5. 5Insect Science6% of their works
  6. 6Statistics, Probability and Uncertainty3% of their works

Research topics

Which keywords describe Robert J. Marquis's research?

The keywords of their largest research topics: Invasive Species, Biodiversity, Climate Change, Global Change, Habitat Fragmentation, Biological Invasions, Ecosystem Services and Pollinator Decline.

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 Species153 topics
  2. Biodiversity123 topics
  3. Climate Change123 topics
  4. Global Change112 topics
  5. Habitat Fragmentation112 topics
  6. Biological Invasions82 topics
  7. Ecosystem Services71 topic
  8. Pollinator Decline71 topic
  9. Bark Beetles41 topic
  10. Conservation41 topic
  11. Ecosystem41 topic
  12. Forest Pests41 topic
  13. Herbivore-Induced Plant Volatiles21 topic
  14. Jasmonate Signaling21 topic
  15. Plant Hormones21 topic
  16. Strigolactones21 topic
  17. Caterpillar Envenoming11 topic
  18. DNA Barcoding11 topic
  19. Lepidoptera11 topic
  20. Pharmacology11 topic
  21. Piperine11 topic
  22. Processionary Moth11 topic

Where does Robert J. Marquis work?

Robert J. Marquis's main affiliation in the publication record is University of Missouri–St. Louis, United States.

How many publications and citations does Robert J. Marquis have?

Science Explorer counts 20 works and 108 citations for Robert J. Marquis, ranking #670,605 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.