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Researcher · Universidade Federal do Rio de Janeiro · Brazil

Alexander W. A. Kellner

Alexander W. A. Kellner publishes mostly in Paleontology, Nature and Landscape Conservation and Global and Planetary Change, on topics such as Paleontology and Evolutionary Biology, Evolution and Paleontology Studies and Ichthyology and Marine Biology.

ORCID 0000-0001-7174-9447 OpenAlex
World rank
#397,411
of 7,710,434 ranked researchers
Rank in Brazil
#1,800
of 253,246
Works
345
Citations
8.5k
Citations per work
24.6
h-index
54
i10-index 162Top 1.3% in Paleontology
Alexander W. A. Kellner

What does Alexander W. A. Kellner research?

Alexander W. A. Kellner's work is mostly in Earth and Planetary Sciences (45%), Environmental Science (25%), Social Sciences (3%).

Physical Sciences: 241 works · 69.8% of their workEarth and Planetary Sciences: 155 works · 44.8% of their workPaleontology: 155 works · 44.8% of their workEnvironmental Science: 86 works · 25.0% of their workNature and Landscape Conservation: 72 works · 20.9% of their workGlobal and Planetary Change: 14 works · 4.1% of their workEverything else: 79 works · 22.8% of their workSocial Sciences: 17 works · 5.0% of their workSocial Sciences: 9 works · 2.7% of their workPolitical Science and International Relations: 9 works · 2.7% of their workDecision Sciences: 8 works · 2.3% of their workStatistics, Probability and Uncertainty: 8 works · 2.3% of their workLife Sciences: 8 works · 2.4% of their workAgricultural and Biological Sciences: 8 works · 2.4% of their workEcology, Evolution, Behavior and Systematics: 8 works · 2.4% of their workTHEIR WORKAlexander W. A.Kellner345works
Life Sciences2%Physical Sciences70%Social Sciences5%

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. Earth and Planetary Sciences15544.8%
    2. Environmental Science8625.0%
  2. Everything else7922.8%
    1. Social Sciences92.7%
    2. Decision Sciences82.3%
    1. Agricultural and Biological Sciences82.4%
  1. 1Paleontology45% of their works
  2. 2Nature and Landscape Conservation21% of their works
  3. 3Global and Planetary Change4% of their works
  4. 4Political Science and International Relations3% of their works
  5. 5Ecology, Evolution, Behavior and Systematics2% of their works
  6. 6Statistics, Probability and Uncertainty2% of their works

Research topics

Which keywords describe Alexander W. A. Kellner's research?

The keywords of their largest research topics: Phylogenetic Analysis, Dinosaur, Evolution, Population Dynamics, Mammal Evolution, Phylogenetic Comparative Analysis, Rays and Sharks.

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 18 words, with their numbers
  1. Phylogenetic Analysis2292 topics
  2. Dinosaur1991 topic
  3. Evolution1991 topic
  4. Population Dynamics1692 topics
  5. Mammal Evolution1451 topic
  6. Phylogenetic Comparative Analysis1451 topic
  7. Rays1391 topic
  8. Sharks1391 topic
  9. Paleoproductivity411 topic
  10. Paleoredox411 topic
  11. Amphibian Declines301 topic
  12. Chytridiomycosis301 topic
  13. Fish Biodiversity271 topic
  14. Freshwater Ecoregions271 topic
  15. Bibliometric Analysis201 topic
  16. Research Evaluation201 topic
  17. Brazilian Scientists171 topic
  18. Science Funding171 topic

Where does Alexander W. A. Kellner work?

Alexander W. A. Kellner's main affiliation in the publication record is Universidade Federal do Rio de Janeiro, Brazil.

How many publications and citations does Alexander W. A. Kellner have?

OpenAlex counts 345 works and 8,499 citations for Alexander W. A. Kellner, an h-index of 54, ranking #397,411 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.

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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