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Researcher · South African Environmental Observation Network · South Africa

Helga van der Merwe

Helga van der Merwe publishes mostly in Nature and Landscape Conservation, Ecology and Plant Science, on topics such as Ecology and Vegetation Dynamics Studies, Species Distribution and Climate Change and Rangeland and Wildlife Management.

ORCID 0000-0002-7677-5123 OpenAlex
World rank
#3,453,202
of 7,710,434 ranked researchers
Rank in South Africa
#15,034
of 29,826
Works
63
Citations
461
Citations per work
7.3
h-index
13
i10-index 16Top 42% in Nature and Landscape Conservation
Helga van der Merwe

What does Helga van der Merwe research?

Helga van der Merwe's work is mostly in Environmental Science (61%), Agricultural and Biological Sciences (19%).

Physical Sciences: 38 works · 60.6% of their workEnvironmental Science: 38 works · 60.6% of their workNature and Landscape Conservation: 18 works · 29.1% of their workEcology: 9 works · 14.9% of their workGlobal and Planetary Change: 5 works · 8.6% of their workEcological Modeling: 5 works · 8.0% of their workEverything else: 13 works · 20.0% of their workLife Sciences: 12 works · 19.4% of their workAgricultural and Biological Sciences: 12 works · 19.4% of their workPlant Science: 7 works · 11.4% of their workEcology, Evolution, Behavior and Systematics: 5 works · 8.0% of their workTHEIR WORKHelga van derMerwe63works
Life Sciences19%Physical Sciences61%

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 Science3860.6%
  2. Everything else1320.0%
    1. Agricultural and Biological Sciences1219.4%
  1. 1Nature and Landscape Conservation29% of their works
  2. 2Ecology15% of their works
  3. 3Plant Science11% of their works
  4. 4Global and Planetary Change9% of their works
  5. 5Ecology, Evolution, Behavior and Systematics8% of their works
  6. 6Ecological Modeling8% of their works

Research topics

Which keywords describe Helga van der Merwe's research?

The keywords of their largest research topics: Biodiversity, Conservation, Invasive Species, Ecosystem, Climate Change, Functional Diversity, Habitat Fragmentation and Ecological Niche.

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 21 words, with their numbers
  1. Biodiversity864 topics
  2. Conservation723 topics
  3. Invasive Species723 topics
  4. Ecosystem602 topics
  5. Climate Change514 topics
  6. Functional Diversity471 topic
  7. Habitat Fragmentation471 topic
  8. Ecological Niche141 topic
  9. Species Distribution Modeling141 topic
  10. Sagebrush131 topic
  11. Wildlife Habitat131 topic
  12. Flora121 topic
  13. Pastoralists121 topic
  14. Rangeland Degradation121 topic
  15. Vascular Plants121 topic
  16. Agroforestry71 topic
  17. Early-warning Signals71 topic
  18. Regime Shifts71 topic
  19. Tree Domestication71 topic
  20. Angiosperm Phylogeny51 topic
  21. Flowering Plants51 topic

Where does Helga van der Merwe work?

Helga van der Merwe's main affiliation in the publication record is South African Environmental Observation Network, South Africa.

How many publications and citations does Helga van der Merwe have?

OpenAlex counts 63 works and 461 citations for Helga van der Merwe, an h-index of 13, ranking #3,453,202 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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