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Researcher · University of Coimbra · Portugal

Helena Maria De Oliveira Freitas

Helena Maria De Oliveira Freitas publishes mostly in Plant Science, Ecology and Nature and Landscape Conservation, on topics such as Mycorrhizal Fungi and Plant Interactions, Ecology and Vegetation Dynamics Studies and Plant-Microbe Interactions and Immunity.

ORCID 0000-0002-1907-9615 OpenAlex
World rank
#60,043
of 7,710,434 ranked researchers
Rank in Portugal
#73
of 41,760
Works
355
Citations
25k
Citations per work
70.5
h-index
73
i10-index 215Top 0.3% in Plant Science
Helena Maria De Oliveira Freitas

What does Helena Maria De Oliveira Freitas research?

Helena Maria De Oliveira Freitas's work is mostly in Agricultural and Biological Sciences (43%), Environmental Science (21%).

Life Sciences: 151 works · 42.6% of their workAgricultural and Biological Sciences: 151 works · 42.6% of their workPlant Science: 118 works · 33.1% of their workEcology, Evolution, Behavior and Systematics: 20 works · 5.6% of their workSoil Science: 14 works · 3.9% of their workEverything else: 129 works · 36.4% of their workPhysical Sciences: 75 works · 21.0% of their workEnvironmental Science: 75 works · 21.0% of their workEcology: 28 works · 7.8% of their workNature and Landscape Conservation: 27 works · 7.6% of their workGlobal and Planetary Change: 20 works · 5.6% of their workTHEIR WORKHelena Maria DeOliveira Freitas355works
Life Sciences43%Physical Sciences21%

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. Agricultural and Biological Sciences15142.6%
  2. Everything else12936.4%
    1. Environmental Science7521.0%
  1. 1Plant Science33% of their works
  2. 2Ecology8% of their works
  3. 3Nature and Landscape Conservation8% of their works
  4. 4Global and Planetary Change6% of their works
  5. 5Ecology, Evolution, Behavior and Systematics6% of their works
  6. 6Soil Science4% of their works

Research topics

Which keywords describe Helena Maria De Oliveira Freitas's research?

The keywords of their largest research topics: Mycorrhizal Fungi, Ecosystem Functioning, Host Recognition, Fungal Diversity, Plant Interactions, Biodiversity, Conservation and Plant Immunity.

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 19 words, with their numbers
  1. Mycorrhizal Fungi852 topics
  2. Ecosystem Functioning832 topics
  3. Host Recognition642 topics
  4. Fungal Diversity581 topic
  5. Plant Interactions581 topic
  6. Biodiversity561 topic
  7. Conservation561 topic
  8. Plant Immunity401 topic
  9. Rhizosphere Interactions401 topic
  10. Legumes371 topic
  11. Symbiosis371 topic
  12. Antioxidants331 topic
  13. Reactive Oxygen Species331 topic
  14. Plant Hormones271 topic
  15. Strigolactones271 topic
  16. Coastal Protection261 topic
  17. Mangrove Forests261 topic
  18. Dead Wood251 topic
  19. Forest Management251 topic

Where does Helena Maria De Oliveira Freitas work?

Helena Maria De Oliveira Freitas's main affiliation in the publication record is University of Coimbra, Portugal.

How many publications and citations does Helena Maria De Oliveira Freitas have?

OpenAlex counts 355 works and 25,027 citations for Helena Maria De Oliveira Freitas, an h-index of 73, ranking #60,043 of 7,710,434 researchers worldwide on the quality 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 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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