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Researcher · University of Tübingen · Germany

J. A. Allen

J. A. Allen publishes mostly in Ecology, Evolution, Behavior and Systematics, Ecology and Paleontology, on topics such as Bat Biology and Ecology Studies, Environmental and Biological Research in Conflict Zones and Evolution and Paleontology Studies.

OpenAlex
World rank
#2,396,044
of 7,710,434 ranked researchers
Rank in Germany
#118,469
of 364,343
Works
102
Citations
479
Citations per work
4.7
h-index
8
i10-index 8Top 62% in Ecology, Evolution, Behavior and Systematics
J. A. Allen

What does J. A. Allen research?

J. A. Allen's work is mostly in Environmental Science (34%), Agricultural and Biological Sciences (22%), Earth and Planetary Sciences (12%).

Physical Sciences: 48 works · 46.6% of their workEnvironmental Science: 35 works · 34.3% of their workEcology: 14 works · 14.0% of their workManagement, Monitoring, Policy and Law: 11 works · 11.0% of their workGlobal and Planetary Change: 9 works · 9.3% of their workEarth and Planetary Sciences: 13 works · 12.3% of their workPaleontology: 13 works · 12.3% of their workLife Sciences: 27 works · 26.7% of their workAgricultural and Biological Sciences: 22 works · 22.0% of their workEcology, Evolution, Behavior and Systematics: 22 works · 22.0% of their workImmunology and Microbiology: 5 works · 4.7% of their workVirology: 5 works · 4.7% of their workEverything else: 27 works · 26.7% of their workTHEIR WORKJ. A. Allen102works
Life Sciences27%Physical Sciences47%

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. Environmental Science3534.3%
    2. Earth and Planetary Sciences1312.3%
    1. Agricultural and Biological Sciences2222.0%
    2. Immunology and Microbiology54.7%
  3. Everything else2726.7%
  1. 1Ecology, Evolution, Behavior and Systematics22% of their works
  2. 2Ecology14% of their works
  3. 3Paleontology12% of their works
  4. 4Management, Monitoring, Policy and Law11% of their works
  5. 5Global and Planetary Change9% of their works
  6. 6Virology5% of their works

Research topics

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

The keywords of their largest research topics: Climate Change, Molecular Phylogeny, Bats, Echolocation, Hibernation, Population Dynamics, Conservation Biology and Global Food Security.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 22 words, with their numbers
  1. Climate Change1045 topics
  2. Molecular Phylogeny682 topics
  3. Bats542 topics
  4. Echolocation431 topic
  5. Hibernation431 topic
  6. Population Dynamics292 topics
  7. Conservation Biology262 topics
  8. Global Food Security261 topic
  9. Warfare Ecology261 topic
  10. Mammal Evolution251 topic
  11. Phylogenetic Comparative Analysis251 topic
  12. Habitat Selection202 topics
  13. Amphibian Declines181 topic
  14. Chytridiomycosis181 topic
  15. Animal Movement111 topic
  16. Occupancy Rates111 topic
  17. Rabies111 topic
  18. Virus111 topic
  19. Avian Ecology91 topic
  20. Migration Patterns91 topic
  21. Ecological Niche81 topic
  22. Species Distribution Modeling81 topic

Where does J. A. Allen work?

J. A. Allen's main affiliation in the publication record is University of Tübingen, Germany.

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

OpenAlex counts 102 works and 479 citations for J. A. Allen, an h-index of 8, ranking #2,396,044 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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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