Science Explorer Interactive view Map
Researcher · University of Kassel · Germany

Helmut Freitag

Helmut Freitag publishes mostly in Plant Science, Ecology, Evolution, Behavior and Systematics and Cardiology and Cardiovascular Medicine, on topics such as Mediterranean and Iberian flora and fauna, Botany and Plant Ecology Studies and Plant Diversity and Evolution.

OpenAlex
World rank
#411,912
of 1,633,909 ranked researchers
Rank in Germany
#24,605
of 86,443
Works
26
Citations
69
Citations per work
2.7

What does Helmut Freitag research?

Plant Science: 31.6%Ecology, Evolution, Behavior and Systematics: 23.7%Cardiology and Cardiovascular Medicine: 7.9%Molecular Biology: 7.9%other fields: 28.9%32%top field
Plant Science31.6%Ecology, Evolution, Behavior and Systematics23.7%Cardiology and Cardiovascular Medicine7.9%Molecular Biology7.9%other fields28.9%

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

  1. 1Plant Science32% of their works
  2. 2Ecology, Evolution, Behavior and Systematics24% of their works
  3. 3Cardiology and Cardiovascular Medicine8% of their works
  4. 4Molecular Biology8% of their works
  5. 5General Health Professions5% of their works
  6. 6Organic Chemistry5% of their works

Research topics

Which keywords describe Helmut Freitag's research?

The keywords of their largest research topics: Biogeography, Taxonomy, Conservation, Invasive Species, Phylogeny, Mediterranean, Vascular Flora and Flora.

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 24 words, with their numbers
  1. Biogeography155 topics
  2. Taxonomy123 topics
  3. Conservation102 topics
  4. Invasive Species102 topics
  5. Phylogeny103 topics
  6. Mediterranean61 topic
  7. Vascular Flora61 topic
  8. Flora41 topic
  9. Molecular Phylogeny42 topics
  10. Vascular Plants41 topic
  11. Angiosperm Phylogeny31 topic
  12. Antioxidant Activity32 topics
  13. Brassicaceae31 topic
  14. Flowering Plants31 topic
  15. Secondary Metabolites32 topics
  16. molecular systematics31 topic
  17. Alkaloids21 topic
  18. Amaryllidaceae21 topic
  19. Lichen21 topic
  20. Symbiosis21 topic
  21. Antioxidant11 topic
  22. Cyperus11 topic
  23. Lupin Seeds11 topic
  24. Nutritional Evaluation11 topic

Where does Helmut Freitag work?

Helmut Freitag's main affiliation in the publication record is University of Kassel, Germany.

How many publications and citations does Helmut Freitag have?

Science Explorer counts 26 works and 69 citations for Helmut Freitag, ranking #411,912 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.