Lehmann, Johannes
Institute for Advanced Study of Technical University of Munich,
Germany
2025 Rank: 764
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 3 out of 88,035 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 764 | 862 |
| Total Cites | 67,321 | 71,201 |
| H-index | 103 | 107 |
| Hm-index | 43 | 44 |
| Number of Single Authored Papers | 10 | 10 |
| Total Cites to Single Authored Papers | 3,863 | 3,936 |
| Number of Single+First Authored Papers | 59 | 59 |
| Total Cites to Single+First Authored Papers | 19,762 | 20,414 |
| Number of Single+First+Last Authored Papers | 166 | 166 |
| Total Cites to Single+First+Last Authored Papers | 31,651 | 33,018 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 37,117 | 38,212 |
| Ratio of Total Citations to Distinct Citing Papers | 1.81 | 1.86 |
| Self-Citation Percentage |
5.45%
|
|
United StatesOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 2 out of 81,496 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 940 | 1,054 |
| Total Cites | 58,314 | 61,797 |
| H-index | 97 | 100 |
| Hm-index | 39 | 41 |
| Number of Single Authored Papers | 10 | 10 |
| Total Cites to Single Authored Papers | 3,593 | 3,665 |
| Number of Single+First Authored Papers | 55 | 55 |
| Total Cites to Single+First Authored Papers | 17,192 | 17,807 |
| Number of Single+First+Last Authored Papers | 160 | 160 |
| Total Cites to Single+First+Last Authored Papers | 27,219 | 28,451 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 31,301 | 32,270 |
| Ratio of Total Citations to Distinct Citing Papers | 1.86 | 1.91 |
| Self-Citation Percentage |
5.64%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 2 out of 76,073 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 1,166 | 1,238 |
| Total Cites | 50,702 | 53,890 |
| H-index | 90 | 95 |
| Hm-index | 38 | 40 |
| Number of Single Authored Papers | 9 | 9 |
| Total Cites to Single Authored Papers | 3,288 | 3,360 |
| Number of Single+First Authored Papers | 53 | 53 |
| Total Cites to Single+First Authored Papers | 14,945 | 15,517 |
| Number of Single+First+Last Authored Papers | 151 | 151 |
| Total Cites to Single+First+Last Authored Papers | 23,553 | 24,700 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 26,561 | 27,431 |
| Ratio of Total Citations to Distinct Citing Papers | 1.91 | 1.96 |
| Self-Citation Percentage |
5.92%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 2 out of 69,903 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 1,450 | 1,576 |
| Total Cites | 43,035 | 45,949 |
| H-index | 81 | 85 |
| Hm-index | 35 | 37 |
| Number of Single Authored Papers | 9 | 9 |
| Total Cites to Single Authored Papers | 2,951 | 3,023 |
| Number of Single+First Authored Papers | 53 | 53 |
| Total Cites to Single+First Authored Papers | 12,711 | 13,258 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 19,883 | 20,938 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 22,011 | 22,782 |
| Ratio of Total Citations to Distinct Citing Papers | 1.96 | 2.02 |
| Self-Citation Percentage |
6.34%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 2 out of 64,212 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 1,515 | 1,645 |
| Total Cites | 40,423 | 43,172 |
| H-index | 80 | 83 |
| Hm-index | 34 | 36 |
| Number of Single Authored Papers | 9 | 9 |
| Total Cites to Single Authored Papers | 2,845 | 2,912 |
| Number of Single+First Authored Papers | 50 | 50 |
| Total Cites to Single+First Authored Papers | 11,929 | 12,449 |
| Number of Single+First+Last Authored Papers | 136 | 136 |
| Total Cites to Single+First+Last Authored Papers | 18,595 | 19,585 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 20,579 | 21,312 |
| Ratio of Total Citations to Distinct Citing Papers | 1.96 | 2.03 |
| Self-Citation Percentage |
6.37%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 3 out of 56,850 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 1,963 | 2,117 |
| Total Cites | 32,476 | 34,917 |
| H-index | 76 | 79 |
| Hm-index | 31 | 33 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 2,453 | 2,517 |
| Number of Single+First Authored Papers | 47 | 47 |
| Total Cites to Single+First Authored Papers | 9,639 | 10,131 |
| Number of Single+First+Last Authored Papers | 125 | 125 |
| Total Cites to Single+First+Last Authored Papers | 14,831 | 15,724 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 16,165 | 16,799 |
| Ratio of Total Citations to Distinct Citing Papers | 2.01 | 2.08 |
| Self-Citation Percentage |
6.99%
|
|
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