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Researcher · Natural History Museum Aarhus · Denmark

Claus Nielsen

Claus Nielsen publishes mostly in Ecology, Global and Planetary Change and Oceanography, on topics such as Parasite Biology and Host Interactions, Marine Ecology and Invasive Species and Marine Biology and Ecology Research.

ORCID 0000-0001-6898-7655 OpenAlex
World rank
#42,050
of 1,633,909 ranked researchers
Rank in Denmark
#276
of 10,734
Works
34
Citations
348
Citations per work
10.2

What does Claus Nielsen research?

Ecology: 29.2%Global and Planetary Change: 16.7%Oceanography: 12.5%Paleontology: 8.3%other fields: 33.3%29%top field
Ecology29.2%Global and Planetary Change16.7%Oceanography12.5%Paleontology8.3%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. 1Ecology29% of their works
  2. 2Global and Planetary Change17% of their works
  3. 3Oceanography12% of their works
  4. 4Paleontology8% of their works
  5. 5Ecology, Evolution, Behavior and Systematics8% of their works
  6. 6Nature and Landscape Conservation4% of their works

Research topics

Which keywords describe Claus Nielsen's research?

The keywords of their largest research topics: Biodiversity, Invasive Species, Ecosystem Functioning, Molecular Phylogeny, Biogeography, Ecosystem, Marine Invasions and Mediterranean Sea.

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. Biodiversity104 topics
  2. Invasive Species93 topics
  3. Ecosystem Functioning72 topics
  4. Molecular Phylogeny63 topics
  5. Biogeography42 topics
  6. Ecosystem41 topic
  7. Marine Invasions41 topic
  8. Mediterranean Sea41 topic
  9. Parasites41 topic
  10. Deep-Sea Ecology31 topic
  11. Marine Biodiversity31 topic
  12. Phylogeny22 topics
  13. Camouflage11 topic
  14. Cephalopods11 topic
  15. Coleoptera11 topic
  16. Evolution11 topic
  17. Marine Natural Products11 topic
  18. Myxozoan11 topic
  19. Parasite11 topic
  20. Parasitism11 topic
  21. Snails11 topic
  22. Sponge-Associated Microorganisms11 topic

Where does Claus Nielsen work?

Claus Nielsen's main affiliation in the publication record is Natural History Museum Aarhus, Denmark.

How many publications and citations does Claus Nielsen have?

Science Explorer counts 34 works and 348 citations for Claus Nielsen, ranking #42,050 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 Claus Nielsen

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