Jeffrey R. Johansen
Jeffrey R. Johansen publishes mostly in Ecology, Evolution, Behavior and Systematics, Biomaterials and Ecology, on topics such as Diatoms and Algae Research, Aquatic Ecosystems and Phytoplankton Dynamics and Biocrusts and Microbial Ecology.
- World rank
- #144,403 of 1,633,909 ranked researchers
- Rank in United States
- #60,873 of 358,040
- Works
- 44
- Citations
- 309
- Citations per work
- 7.0
What does Jeffrey R. Johansen research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Ecology, Evolution, Behavior and Systematics23% of their works
- 2Biomaterials20% of their works
- 3Ecology17% of their works
- 4Environmental Chemistry15% of their works
- 5Oceanography7% of their works
- 6Atmospheric Science3% of their works
Research topics
Which keywords describe Jeffrey R. Johansen's research?
The keywords of their largest research topics: Cyanobacteria, Climate Change, Biomimetic Synthesis, Peptide-Directed Materials, Eutrophication, Harmful Algal Blooms, Freshwater Ecosystems and Nutrient Control.
- Paleoclimatology
- Glacial Cycles
- Invasive Species
- Symbiosis
- Marine Microbes
- UV Protection
- Nutrient Control
- Harmful Algal Blooms
- Peptide-Directed Materials
- Climate Change
- Cyanobacteria
- Biomimetic Synthesis
- Eutrophication
- Freshwater Ecosystems
- Biological Soil Crusts
- Lichen
- Microbial Biogeography
- Freshwater Mussels
- Dissolved Organic Matter
- Oceanic Carbon Cycle
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 20 words, with their numbers
- Cyanobacteria172 topics
- Climate Change133 topics
- Biomimetic Synthesis121 topic
- Peptide-Directed Materials121 topic
- Eutrophication112 topics
- Harmful Algal Blooms112 topics
- Freshwater Ecosystems91 topic
- Nutrient Control91 topic
- Biological Soil Crusts81 topic
- UV Protection81 topic
- Lichen61 topic
- Marine Microbes61 topic
- Microbial Biogeography61 topic
- Symbiosis61 topic
- Freshwater Mussels31 topic
- Invasive Species31 topic
- Dissolved Organic Matter21 topic
- Glacial Cycles21 topic
- Oceanic Carbon Cycle21 topic
- Paleoclimatology21 topic
Where does Jeffrey R. Johansen work?
Jeffrey R. Johansen's main affiliation in the publication record is John Carroll University, United States.
How many publications and citations does Jeffrey R. Johansen have?
Science Explorer counts 44 works and 309 citations for Jeffrey R. Johansen, ranking #144,403 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.