Stein Ivar Johnsen
Stein Ivar Johnsen publishes mostly in Ecology, Nature and Landscape Conservation and Environmental Chemistry, on topics such as Fish Ecology and Management Studies, Environmental DNA in Biodiversity Studies and Soil and Water Nutrient Dynamics.
- World rank
- #1,384,631 of 1,633,909 ranked researchers
- Rank in Norway
- #5,745 of 6,482
- Works
- 28
- Citations
- 30
- Citations per work
- 1.1
What does Stein Ivar Johnsen research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Ecology32% of their works
- 2Nature and Landscape Conservation16% of their works
- 3Environmental Chemistry8% of their works
- 4Political Science and International Relations8% of their works
- 5Oceanography5% of their works
- 6Geophysics3% of their works
Research topics
Which keywords describe Stein Ivar Johnsen's research?
The keywords of their largest research topics: Invasive Species, Climate Change, Biodiversity, Conservation Challenges, DNA Barcoding, Freshwater Biodiversity, Conservation and Environmental DNA.
- Symbiosis
- Flora
- Ecosystem Engineering
- Beaver Dams
- Nutrient Cycling
- Judicial Review
- Environmental DNA
- Freshwater Biodiversity
- Conservation Challenges
- Climate Change
- Invasive Species
- Biodiversity
- DNA Barcoding
- Conservation
- European Legal Systems
- Metabarcoding
- Water Quality
- Crayfish
- Invasion
- Lichen
- Vascular Plants
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 21 words, with their numbers
- Invasive Species83 topics
- Climate Change62 topics
- Biodiversity53 topics
- Conservation Challenges51 topic
- DNA Barcoding52 topics
- Freshwater Biodiversity51 topic
- Conservation32 topics
- Environmental DNA31 topic
- European Legal Systems31 topic
- Judicial Review31 topic
- Metabarcoding31 topic
- Nutrient Cycling31 topic
- Water Quality31 topic
- Beaver Dams21 topic
- Crayfish21 topic
- Ecosystem Engineering21 topic
- Invasion21 topic
- Flora11 topic
- Lichen11 topic
- Symbiosis11 topic
- Vascular Plants11 topic
Where does Stein Ivar Johnsen work?
Stein Ivar Johnsen's main affiliation in the publication record is Norwegian Institute for Nature Research, Norway.
How many publications and citations does Stein Ivar Johnsen have?
Science Explorer counts 28 works and 30 citations for Stein Ivar Johnsen, ranking #1,384,631 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.