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Janzen, Fredric J.

Iowa State University, United States

2025 Rank: 26,508

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 478 out of 76,579 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score26,50822,942
Total Cites7,8809,691
H-index4652
Hm-index2932
Number of Single Authored Papers88
Total Cites to Single Authored Papers9351,098
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers2,4652,866
Number of Single+First+Last Authored Papers148148
Total Cites to Single+First+Last Authored Papers6,7488,178
Composite Score33
Number of Distinct Citing Papers5,1995,634
Ratio of Total Citations to Distinct Citing Papers 1.52 1.72
Self-Citation Percentage
18.69%
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Janzen, Fredric J.

Iowa State University, United States

2024 Rank: 25,468

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 457 out of 69,645 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score25,46822,077
Total Cites7,4169,114
H-index4551
Hm-index2932
Number of Single Authored Papers88
Total Cites to Single Authored Papers9011,060
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers2,3742,766
Number of Single+First+Last Authored Papers144144
Total Cites to Single+First+Last Authored Papers6,4047,768
Composite Score33
Number of Distinct Citing Papers4,8635,267
Ratio of Total Citations to Distinct Citing Papers 1.52 1.73
Self-Citation Percentage
18.63%
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Janzen, Fredric J.

Iowa State University, United States

2023 Rank: 25,431

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 444 out of 63,935 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score25,43122,027
Total Cites6,9178,531
H-index4449
Hm-index2731
Number of Single Authored Papers88
Total Cites to Single Authored Papers8681,024
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers2,2862,670
Number of Single+First+Last Authored Papers141141
Total Cites to Single+First+Last Authored Papers6,0297,334
Composite Score33
Number of Distinct Citing Papers4,5394,922
Ratio of Total Citations to Distinct Citing Papers 1.52 1.73
Self-Citation Percentage
18.92%
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Janzen, Fredric J.

Michigan State University, United States

2022 Rank: 25,104

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 429 out of 59,970 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score25,10421,077
Total Cites6,4327,972
H-index4147
Hm-index2630
Number of Single Authored Papers88
Total Cites to Single Authored Papers838992
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers2,2022,577
Number of Single+First+Last Authored Papers139139
Total Cites to Single+First+Last Authored Papers5,6796,940
Composite Score34
Number of Distinct Citing Papers4,2014,560
Ratio of Total Citations to Distinct Citing Papers 1.53 1.75
Self-Citation Percentage
19.32%
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Janzen, Fredric J.

Iowa State University, United States

2021 Rank: 25,066

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 420 out of 53,981 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score25,06620,711
Total Cites6,1667,667
H-index4047
Hm-index2629
Number of Single Authored Papers88
Total Cites to Single Authored Papers807961
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers2,1252,497
Number of Single+First+Last Authored Papers136136
Total Cites to Single+First+Last Authored Papers5,4436,690
Composite Score34
Number of Distinct Citing Papers4,0484,379
Ratio of Total Citations to Distinct Citing Papers 1.52 1.75
Self-Citation Percentage
19.58%
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Janzen, Fredric J.

Iowa State University, United States

2020 Rank: 26,075

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 427 out of 48,166 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score26,07522,109
Total Cites5,4306,760
H-index3743
Hm-index2427
Number of Single Authored Papers88
Total Cites to Single Authored Papers749897
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers1,9722,325
Number of Single+First+Last Authored Papers132132
Total Cites to Single+First+Last Authored Papers4,8385,965
Composite Score33
Number of Distinct Citing Papers3,5833,878
Ratio of Total Citations to Distinct Citing Papers 1.52 1.74
Self-Citation Percentage
19.67%
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