Scholarly Index
Jeffrey R. Johansen
John Carroll University; 8,412 total citations; 201 total publications; best world rank #48
John Carroll University
8,412Total citations
201Total publications
50H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Diatoms and Algae Research | Lifetime | 48 | US 11 | 98.12 |
| Aquatic Ecosystems and Phytoplankton Dynamics | Lifetime | 148 | US 49 | 98.76 |
| Biocrusts and Microbial Ecology | Lifetime | 66 | US 21 | 98.17 |
| Lichen and fungal ecology | Lifetime | 192 | US 42 | 97.47 |
| Microbial Community Ecology and Physiology | Lifetime | 625 | US 199 | 98.09 |
| Protist diversity and phylogeny | Lifetime | 985 | US 335 | 91.79 |
| Aquatic Ecosystems and Phytoplankton Dynamics | 2021-2025 | 283 | US 22 | 91.55 |
| Biocrusts and Microbial Ecology | 2021-2025 | 98 | US 11 | 89.07 |
| Diatoms and Algae Research | 2021-2025 | 917 | US 80 | 41.06 |