Janzen, Fredric J.
Iowa State University,
United States
2025 Rank: 75,305
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 1,392 out of 76,579 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 75,305 | 69,264 |
| Total Cites | 440 | 554 |
| H-index | 8 | 9 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 32 | 36 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 83 | 92 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 326 | 392 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 318 | 350 |
| Ratio of Total Citations to Distinct Citing Papers | 1.38 | 1.58 |
| Self-Citation Percentage |
20.58%
|
|
Janzen, Fredric J.
Iowa State University,
United States
2024 Rank: 60,171
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 1,158 out of 69,645 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 60,171 | 55,319 |
| Total Cites | 477 | 563 |
| H-index | 9 | 10 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 32 | 35 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 84 | 93 |
| Number of Single+First+Last Authored Papers | 144 | 144 |
| Total Cites to Single+First+Last Authored Papers | 359 | 420 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 308 | 330 |
| Ratio of Total Citations to Distinct Citing Papers | 1.55 | 1.71 |
| Self-Citation Percentage |
15.28%
|
|
Janzen, Fredric J.
Iowa State University,
United States
2023 Rank: 70,519
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 1,323 out of 63,935 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 70,519 | 64,493 |
| Total Cites | 449 | 522 |
| H-index | 9 | 10 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 26 | 28 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 74 | 83 |
| Number of Single+First+Last Authored Papers | 141 | 141 |
| Total Cites to Single+First+Last Authored Papers | 320 | 364 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 313 | 336 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.55 |
| Self-Citation Percentage |
13.98%
|
|
Janzen, Fredric J.
Michigan State University,
United States
2022 Rank: 35,858
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 778 out of 59,970 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 35,858 | 30,222 |
| Total Cites | 581 | 699 |
| H-index | 11 | 11 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 42 | 46 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 120 | 132 |
| Number of Single+First+Last Authored Papers | 139 | 139 |
| Total Cites to Single+First+Last Authored Papers | 479 | 559 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 362 | 395 |
| Ratio of Total Citations to Distinct Citing Papers | 1.60 | 1.77 |
| Self-Citation Percentage |
16.88%
|
|
Janzen, Fredric J.
Iowa State University,
United States
2021 Rank: 30,594
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 668 out of 53,981 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30,594 | 23,782 |
| Total Cites | 858 | 1,091 |
| H-index | 13 | 14 |
| Hm-index | 8 | 10 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 68 | 79 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 182 | 216 |
| Number of Single+First+Last Authored Papers | 136 | 136 |
| Total Cites to Single+First+Last Authored Papers | 704 | 873 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 554 | 599 |
| Ratio of Total Citations to Distinct Citing Papers | 1.55 | 1.82 |
| Self-Citation Percentage |
21.36%
|
|
Janzen, Fredric J.
Iowa State University,
United States
2020 Rank: 34,138
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biology
SubField 1:
Ecology
SubField 2:
Evolutionary Biology
Rank in SubField 1: 730 out of 48,166 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 34,138 | 22,374 |
| Total Cites | 564 | 771 |
| H-index | 12 | 13 |
| Hm-index | 7 | 9 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 51 | 67 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 125 | 165 |
| Number of Single+First+Last Authored Papers | 132 | 132 |
| Total Cites to Single+First+Last Authored Papers | 472 | 641 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 373 | 403 |
| Ratio of Total Citations to Distinct Citing Papers | 1.51 | 1.91 |
| Self-Citation Percentage |
26.85%
|
|
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