Schäfer, Ralf B.
Universität Duisburg-Essen,
Germany
2025 Rank: 30080
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 664 out of 130223 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30080 | 25388 |
| Total Cites | 1456 | 1858 |
| H-index | 18 | 20 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 10 | 10 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 118 | 147 |
| Number of Single+First+Last Authored Papers | 85 | 85 |
| Total Cites to Single+First+Last Authored Papers | 598 | 707 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1110 | 1242 |
| Ratio of Total Citations to Distinct Citing Papers | 1.31 | 1.50 |
| Self-Citation Percentage |
21.64%
|
|
Schäfer, Ralf B.
Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau,
Germany
2024 Rank: 28697
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 555 out of 115291 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 28697 | 22798 |
| Total Cites | 1222 | 1541 |
| H-index | 16 | 17 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 13 | 17 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 125 | 156 |
| Number of Single+First+Last Authored Papers | 79 | 79 |
| Total Cites to Single+First+Last Authored Papers | 556 | 657 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 931 | 1031 |
| Ratio of Total Citations to Distinct Citing Papers | 1.31 | 1.49 |
| Self-Citation Percentage |
20.70%
|
|
Schäfer, Ralf B.
Institute for Environmental Sciences,
Germany
2023 Rank: 58338
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 947 out of 99567 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 58338 | 43692 |
| Total Cites | 1038 | 1265 |
| H-index | 16 | 18 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 3 | 5 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 110 | 139 |
| Number of Single+First+Last Authored Papers | 72 | 72 |
| Total Cites to Single+First+Last Authored Papers | 459 | 535 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 831 | 922 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.37 |
| Self-Citation Percentage |
17.94%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2022 Rank: 42379
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 516 out of 86604 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 42379 | 38566 |
| Total Cites | 934 | 1124 |
| H-index | 15 | 16 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 6 | 7 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 139 | 167 |
| Number of Single+First+Last Authored Papers | 67 | 67 |
| Total Cites to Single+First+Last Authored Papers | 464 | 534 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 710 | 770 |
| Ratio of Total Citations to Distinct Citing Papers | 1.32 | 1.46 |
| Self-Citation Percentage |
16.90%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2021 Rank: 38969
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 461 out of 77304 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 38969 | 34903 |
| Total Cites | 1316 | 1577 |
| H-index | 20 | 20 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 9 | 11 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 219 | 268 |
| Number of Single+First+Last Authored Papers | 64 | 64 |
| Total Cites to Single+First+Last Authored Papers | 697 | 808 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 966 | 1058 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.49 |
| Self-Citation Percentage |
16.55%
|
|
Schäfer, Ralf B.
Universität Koblenz-Landau,
Germany
2020 Rank: 64003
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Ecology
Rank in SubField 1: 743 out of 66925 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 64003 | 48157 |
| Total Cites | 831 | 1046 |
| H-index | 14 | 16 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 4 | 7 |
| Number of Single+First Authored Papers | 21 | 21 |
| Total Cites to Single+First Authored Papers | 128 | 171 |
| Number of Single+First+Last Authored Papers | 55 | 55 |
| Total Cites to Single+First+Last Authored Papers | 390 | 485 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 606 | 673 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.55 |
| Self-Citation Percentage |
20.55%
|
|
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