The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :1
forest protection
mycology
entomology
biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78,949
35,835
0.454
* Total Citation Counts Rankings
Ranking Based On Selection :2
Agricultural and Rural Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,309
5,289
0.175
* Total Citation Counts Rankings
Ranking Based On Selection :3
Evolutionary biology
pollination biology
plant reproduction
chemical ecology
invasion biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,328
10,234
0.404
* Total Citation Counts Rankings
Ranking Based On Selection :4
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,091
21,817
0.906
* Total Citation Counts Rankings
Ranking Based On Selection :5
Postharvest Technology
Food Science and Technology
Biosystems Engineering
Horticultural Science
Pomegranate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,720
14,021
0.749
* Total Citation Counts Rankings
Ranking Based On Selection :6
Climate Change
Forestry
Carbon
Drylands
Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,139
10,651
0.660
* Total Citation Counts Rankings
Ranking Based On Selection :7
Andrology
Oxidative stress
Medicinal Plants
reactive oxygen species
male infertility
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,585
10,579
0.679
* Total Citation Counts Rankings
Ranking Based On Selection :8
Marine ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,965
5,214
0.348
* Total Citation Counts Rankings
Ranking Based On Selection :9
fisheries
marine
Benguela
indicators
ecosystem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,805
5,309
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :10
Plant ecology
vegetation-environmental relations
biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,730
4,744
0.346
* Total Citation Counts Rankings
Ranking Based On Selection :11
Evolutionary physiology - insect physiology - physiological plasticity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,492
7,246
0.537
* Total Citation Counts Rankings
Ranking Based On Selection :12
Plant ecology
plant ecophysiology
conservation biology
invasion biology
ethnoecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,367
4,668
0.349
* Total Citation Counts Rankings
Ranking Based On Selection :13
Plant Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,078
4,132
0.316
* Total Citation Counts Rankings
Ranking Based On Selection :14
Plant Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,797
3,536
0.276
* Total Citation Counts Rankings
Ranking Based On Selection :15
microbiology
plant pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,537
5,131
0.409
* Total Citation Counts Rankings
Ranking Based On Selection :16
Marine invertebrate biodiversity
marine alien species
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,270
3,725
0.304
* Total Citation Counts Rankings
Ranking Based On Selection :17
Epidemiology
climate change
health
biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,199
7,577
0.621
* Total Citation Counts Rankings
Ranking Based On Selection :18
Plant systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,756
3,574
0.304
* Total Citation Counts Rankings
Ranking Based On Selection :19
Plant Breeding
Plant Genetics
Quantitative Genetics
Crop Science
Agricultural Plant Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,969
9,324
0.850
* Total Citation Counts Rankings
Ranking Based On Selection :20
Pollen analysis
palaeoscience
palynology
palaeoecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,739
3,554
0.331
* Total Citation Counts Rankings
Ranking Based On Selection :21
Conservation biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,653
6,276
0.589
* Total Citation Counts Rankings
Ranking Based On Selection :22
Plant Physiology (Legume/Rhizobium Symbiosis)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,536
4,611
0.438
* Total Citation Counts Rankings
Ranking Based On Selection :23
plant ecophysiology
plant desiccation tolerance
seed biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,435
2,500
0.240
* Total Citation Counts Rankings
Ranking Based On Selection :24
Plant ecophysiology and ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,310
4,731
0.459
* Total Citation Counts Rankings
Ranking Based On Selection :25
Historical Ecology
Conservation Biology
Arid Lands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,071
3,535
0.351
Mike Wingfield
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78,949
35,835
0.454
forest protection
mycology
entomology
biotechnology
Hans P. Binswanger-Mkhize
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,309
5,289
0.175
Agricultural and Rural Development
Steven D. Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,328
10,234
0.404
Evolutionary biology
pollination biology
plant reproduction
chemical ecology
invasion biology
Olubukola Oluranti Babalola
North West University
Potchefstroom, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,091
21,817
0.906
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interactions
Umezuruike Linus Opara
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,720
14,021
0.749
Postharvest Technology
Food Science and Technology
Biosystems Engineering
Horticultural Science
Pomegranate
Cheikh Mbow
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,139
10,651
0.660
Climate Change
Forestry
Carbon
Drylands
Africa
Ralf Henkel
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,585
10,579
0.679
Andrology
Oxidative stress
Medicinal Plants
reactive oxygen species
male infertility
Christopher Mcquaid
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,965
5,214
0.348
Lynne Shannon
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,805
5,309
0.385
fisheries
marine
Benguela
indicators
ecosystem
Michael Rutherford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,730
4,744
0.346
Plant ecology
vegetation-environmental relations
biogeography
John S. Terblanche
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,492
7,246
0.537
Evolutionary physiology - insect physiology - physiological plasticity
ETF Witkowski
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,367
4,668
0.349
Plant ecology
plant ecophysiology
conservation biology
invasion biology
ethnoecology
Jill M. Farrant
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,078
4,132
0.316
Karl Kunert
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,797
3,536
0.276
Teresa Coutinho
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,537
5,131
0.409
Charles Griffiths
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,270
3,725
0.304
Marine invertebrate biodiversity
marine alien species
Marlies Craig
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,199
7,577
0.621
Epidemiology
climate change
health
biology
John Manning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,756
3,574
0.304
Hussien Shimelis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,969
9,324
0.850
Plant Breeding
Plant Genetics
Quantitative Genetics
Crop Science
Agricultural Plant Sciences
Louis Scott
University of the Free State
Bloemfontein, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,739
3,554
0.331
Pollen analysis
palaeoscience
palynology
palaeoecology
Peter Lindsey
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,653
6,276
0.589
Felix Dapare Dakora
Tshwane University of Technology
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,536
4,611
0.438
Plant Physiology (Legume/Rhizobium Symbiosis)
Norman Pammenter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,435
2,500
0.240
plant ecophysiology
plant desiccation tolerance
seed biology
Michael Denis Cramer
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,310
4,731
0.459
Plant ecophysiology and ecology
M. Timm Hoffman
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,071
3,535
0.351
Historical Ecology
Conservation Biology
Arid Lands