Schäfer, Ralf B.
Universität Duisburg-Essen,
Germany
2025 Rank: 107521
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 809 out of 130223 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 107521 | 96943 |
| Total Cites | 7928 | 10049 |
| H-index | 46 | 50 |
| Hm-index | 16 | 17 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 49 | 62 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1259 | 1693 |
| Number of Single+First+Last Authored Papers | 85 | 85 |
| Total Cites to Single+First+Last Authored Papers | 3689 | 4533 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6025 | 6750 |
| Ratio of Total Citations to Distinct Citing Papers | 1.32 | 1.49 |
| Self-Citation Percentage |
21.11%
|
|
Schäfer, Ralf B.
Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau,
Germany
2024 Rank: 120907
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 854 out of 115291 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 120907 | 110303 |
| Total Cites | 6423 | 8130 |
| H-index | 43 | 47 |
| Hm-index | 15 | 16 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 39 | 52 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1141 | 1540 |
| Number of Single+First+Last Authored Papers | 79 | 79 |
| Total Cites to Single+First+Last Authored Papers | 3077 | 3805 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4883 | 5477 |
| Ratio of Total Citations to Distinct Citing Papers | 1.32 | 1.48 |
| Self-Citation Percentage |
21.00%
|
|
Schäfer, Ralf B.
Institute for Environmental Sciences,
Germany
2023 Rank: 146378
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 967 out of 99567 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 146378 | 128442 |
| Total Cites | 5193 | 6585 |
| H-index | 40 | 43 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 26 | 35 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 1014 | 1387 |
| Number of Single+First+Last Authored Papers | 72 | 72 |
| Total Cites to Single+First+Last Authored Papers | 2514 | 3147 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3940 | 4431 |
| Ratio of Total Citations to Distinct Citing Papers | 1.32 | 1.49 |
| Self-Citation Percentage |
21.14%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2022 Rank: 166125
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 1055 out of 86604 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 166125 | 147782 |
| Total Cites | 4091 | 5234 |
| H-index | 35 | 39 |
| Hm-index | 12 | 13 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 24 | 30 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 892 | 1230 |
| Number of Single+First+Last Authored Papers | 67 | 67 |
| Total Cites to Single+First+Last Authored Papers | 2012 | 2553 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3067 | 3462 |
| Ratio of Total Citations to Distinct Citing Papers | 1.33 | 1.51 |
| Self-Citation Percentage |
21.84%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2021 Rank: 171349
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 1086 out of 77304 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 171349 | 153145 |
| Total Cites | 3791 | 4862 |
| H-index | 34 | 38 |
| Hm-index | 12 | 12 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 20 | 26 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 853 | 1185 |
| Number of Single+First+Last Authored Papers | 64 | 64 |
| Total Cites to Single+First+Last Authored Papers | 1882 | 2403 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2823 | 3196 |
| Ratio of Total Citations to Distinct Citing Papers | 1.34 | 1.52 |
| Self-Citation Percentage |
22.03%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2020 Rank: 225482
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 1501 out of 66925 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 225482 | 195915 |
| Total Cites | 2696 | 3552 |
| H-index | 28 | 31 |
| Hm-index | 10 | 11 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 11 | 16 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 664 | 954 |
| Number of Single+First+Last Authored Papers | 55 | 55 |
| Total Cites to Single+First+Last Authored Papers | 1309 | 1737 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2011 | 2309 |
| Ratio of Total Citations to Distinct Citing Papers | 1.34 | 1.54 |
| Self-Citation Percentage |
24.10%
|
|
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