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Olff, Han

Olff, Han

Rijksuniversiteit Groningen, Netherlands

2025 Rank: 93,903

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Marine Biology & Hydrobiology

Rank in SubField 1: 1,699 out of 76,579 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score93,90399,208
Total Cites9751,104
H-index1414
Hm-index77
Number of Single Authored Papers11
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers1616
Total Cites to Single+First Authored Papers96101
Number of Single+First+Last Authored Papers124124
Total Cites to Single+First+Last Authored Papers483529
Composite Score22
Number of Distinct Citing Papers790843
Ratio of Total Citations to Distinct Citing Papers 1.23 1.31
Self-Citation Percentage
11.68%
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Olff, Han

Olff, Han

Rijksuniversiteit Groningen, Netherlands

2023 Rank: 76,823

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Marine Biology & Hydrobiology

Rank in SubField 1: 1,429 out of 63,935 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score76,82377,002
Total Cites841955
H-index1414
Hm-index67
Number of Single Authored Papers11
Total Cites to Single Authored Papers11
Number of Single+First Authored Papers1616
Total Cites to Single+First Authored Papers103110
Number of Single+First+Last Authored Papers118118
Total Cites to Single+First+Last Authored Papers475527
Composite Score22
Number of Distinct Citing Papers685733
Ratio of Total Citations to Distinct Citing Papers 1.23 1.30
Self-Citation Percentage
11.94%
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Olff, Han

Olff, Han

Rijksuniversiteit Groningen, Netherlands

2022 Rank: 61,941

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Marine Biology & Hydrobiology

Rank in SubField 1: 1,246 out of 59,970 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score61,94157,565
Total Cites8631,034
H-index1314
Hm-index67
Number of Single Authored Papers11
Total Cites to Single Authored Papers22
Number of Single+First Authored Papers1515
Total Cites to Single+First Authored Papers115124
Number of Single+First+Last Authored Papers115115
Total Cites to Single+First+Last Authored Papers503562
Composite Score22
Number of Distinct Citing Papers711776
Ratio of Total Citations to Distinct Citing Papers 1.21 1.33
Self-Citation Percentage
16.54%
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Olff, Han

Olff, Han

University of Groningen, Netherlands

2021 Rank: 57,900

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Marine Biology & Hydrobiology

Rank in SubField 1: 1,183 out of 53,981 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score57,90055,044
Total Cites1,3051,538
H-index1618
Hm-index89
Number of Single Authored Papers11
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers1515
Total Cites to Single+First Authored Papers158166
Number of Single+First+Last Authored Papers109109
Total Cites to Single+First+Last Authored Papers769838
Composite Score33
Number of Distinct Citing Papers1,0541,151
Ratio of Total Citations to Distinct Citing Papers 1.24 1.34
Self-Citation Percentage
15.15%
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Olff, Han

Olff, Han

University of Groningen, Netherlands

2020 Rank: 48,149

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biology

SubField 1:

Ecology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 1,017 out of 48,166 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score48,14949,024
Total Cites1,0441,217
H-index1516
Hm-index89
Number of Single Authored Papers11
Total Cites to Single Authored Papers22
Number of Single+First Authored Papers1515
Total Cites to Single+First Authored Papers141151
Number of Single+First+Last Authored Papers107107
Total Cites to Single+First+Last Authored Papers621690
Composite Score33
Number of Distinct Citing Papers811884
Ratio of Total Citations to Distinct Citing Papers 1.29 1.38
Self-Citation Percentage
14.22%
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