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Researcher · Museu da Amazonia · Brazil

J. A. Allen

J. A. Allen publishes mostly in Ecology, Ecology, Evolution, Behavior and Systematics and Insect Science, on topics such as Avian ecology and behavior, Plant and animal studies and Bat Biology and Ecology Studies.

OpenAlex
World rank
#919,136
of 1,633,909 ranked researchers
Rank in Brazil
#18,227
of 38,702
Works
31
Citations
19
Citations per work
0.6

What does J. A. Allen research?

Ecology: 33.3%Ecology, Evolution, Behavior and Systematics: 16.7%Insect Science: 11.1%Parasitology: 5.6%other fields: 33.3%33%top field
Ecology33.3%Ecology, Evolution, Behavior and Systematics16.7%Insect Science11.1%Parasitology5.6%other fields33.3%

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

  1. 1Ecology33% of their works
  2. 2Ecology, Evolution, Behavior and Systematics17% of their works
  3. 3Insect Science11% of their works
  4. 4Parasitology6% of their works
  5. 5Oceanography6% of their works
  6. 6Virology6% of their works

Research topics

Which keywords describe J. A. Allen's research?

The keywords of their largest research topics: Climate Change, Avian Ecology, Biodiversity, Biological Control, Invasive Species, Migration Patterns, Molecular Phylogeny and Phylogeny.

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. Climate Change43 topics
  2. Avian Ecology21 topic
  3. Biodiversity22 topics
  4. Biological Control22 topics
  5. Invasive Species22 topics
  6. Migration Patterns21 topic
  7. Molecular Phylogeny22 topics
  8. Phylogeny22 topics
  9. Taxonomy22 topics
  10. Agriculture11 topic
  11. Bats11 topic
  12. DNA Barcoding11 topic
  13. Ecosystem Services11 topic
  14. Food11 topic
  15. Herbivore-Induced Plant Volatiles11 topic
  16. Hibernation11 topic
  17. Jasmonate Signaling11 topic
  18. Lepidoptera11 topic
  19. Lupin Seeds11 topic
  20. Mealybug11 topic
  21. Pollinator Decline11 topic
  22. Scale Insects11 topic
  23. Secondary Metabolites11 topic

Where does J. A. Allen work?

J. A. Allen's main affiliation in the publication record is Museu da Amazonia, Brazil.

How many publications and citations does J. A. Allen have?

Science Explorer counts 31 works and 19 citations for J. A. Allen, ranking #919,136 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.

Other researchers named J. A. Allen

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