Citation Rankings
Highly Cited Researchers
Africa Agriculture & ForestryAgriculture & Forestry / Fisheries Highly Cited Researchers Citation Rankings 2025
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
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,655
17,962
0.963
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Marine ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,095
5,338
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 3
fisheries
marine
Benguela
indicators
ecosystem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,918
5,419
0.389
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Marine invertebrate biodiversity
marine alien species
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,356
3,807
0.308
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Marine Mammal Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,871
3,507
0.355
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,538
6,622
0.694
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Aquaculture
fish biology
fisheries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,874
4,279
0.482
* Total Citation Counts Rankings
Ranking Based On Selection: 8
fisheries
ocean governance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,132
3,442
0.483
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Marine full-spectrum sustainability
Structured decision making
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,860
2,143
0.312
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Marine Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,260
2,268
0.362
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Fisheries
Mariculture
Women empowerment
Marine mammals
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,679
3,196
0.563
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Ecosystem health
One Health
Ecosystem health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,363
3,631
0.677
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Marine Biology and Coastal Oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,876
2,559
0.525
* Total Citation Counts Rankings
Ranking Based On Selection: 14
marine natural products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,612
1,520
0.330
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Aquaculture
Fisheries
Marine Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,411
2,141
0.485
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Ichthyology
ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,347
1,514
0.348
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Marine ecology
Fisheries biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,179
1,367
0.327
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Food biotechnology
Food Safety
Natural Products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,171
2,867
0.687
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Aquaculture
Nutritional biochemistry
Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,972
3,136
0.790
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Marine ecology
invasion biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,889
2,504
0.644
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Fish Biology
Environmental Pollution
Aquatic Toxicology
Bioradiation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,814
3,105
0.814
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Corals/Coral reefs
coral bleaching
adaptation to climate change and sustainable development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,795
1,799
0.474
* Total Citation Counts Rankings
Ranking Based On Selection: 23
cephalopods
all aspects
fish and fisheries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,593
1,103
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 24
coastal erosion
shoreline change modelling
coastal processes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,444
2,617
0.760
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,317
1,284
0.387
* Total Citation Counts Rankings
Rankings
44,511
56
3
Ranking Based On Selection: 1
Mahmoud Dawood
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,655
17,962
0.963
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
* Total Citation Counts Rankings
Rankings
59,281
197
4
Ranking Based On Selection: 2
Christopher Mcquaid
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,095
5,338
0.354
* Total Citation Counts Rankings
Rankings
65,958
225
46
Ranking Based On Selection: 3
Lynne Shannon
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,918
5,419
0.389
fisheries
marine
Benguela
indicators
ecosystem
* Total Citation Counts Rankings
Rankings
76,558
258
53
Ranking Based On Selection: 4
Charles Griffiths
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,356
3,807
0.308
Marine invertebrate biodiversity
marine alien species
* Total Citation Counts Rankings
Rankings
99,963
354
27
Ranking Based On Selection: 5
Marthan Bester
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,871
3,507
0.355
* Total Citation Counts Rankings
Rankings
103,915
370
2
Ranking Based On Selection: 6
Olaf LF Weyl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,538
6,622
0.694
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
* Total Citation Counts Rankings
Rankings
112,798
162
13
Ranking Based On Selection: 7
Abdel Fattah M El Sayed
Alexandria University
Alexandria, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,874
4,279
0.482
* Total Citation Counts Rankings
Rankings
143,498
566
12
Ranking Based On Selection: 8
Warwick Sauer
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,132
3,442
0.483
* Total Citation Counts Rankings
Rankings
149,439
592
141
Ranking Based On Selection: 9
Astrid Jarre
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,860
2,143
0.312
Marine full-spectrum sustainability
Structured decision making
Climate change
* Total Citation Counts Rankings
Rankings
164,250
648
21
Ranking Based On Selection: 10
Mark Gibbons
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,260
2,268
0.362
* Total Citation Counts Rankings
Rankings
181,071
22
5
Ranking Based On Selection: 11
Jiddawi Narriman Saleh
University of Dar Es Salaam
Dar es Salaam, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,679
3,196
0.563
Fisheries
Mariculture
Women empowerment
Marine mammals
Climate change
* Total Citation Counts Rankings
Rankings
191,331
25
3
Ranking Based On Selection: 12
Robinson H. Mdegela
Sokoine University of Agriculture
Morogoro, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,363
3,631
0.677
Ecosystem health
One Health
Ecosystem health
* Total Citation Counts Rankings
Rankings
209,985
880
26
Ranking Based On Selection: 13
Albertus Smit
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,876
2,559
0.525
Marine Biology and Coastal Oceanography
* Total Citation Counts Rankings
Rankings
221,332
932
29
Ranking Based On Selection: 14
Michael Davies-Coleman
University of the Western Cape
Bellville, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,612
1,520
0.330
* Total Citation Counts Rankings
Rankings
230,733
37
6
Ranking Based On Selection: 15
Yunus D. Mgaya
University of Dar Es Salaam
Dar es Salaam, Tanzania
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,411
2,141
0.485
Aquaculture
Fisheries
Marine Biology
* Total Citation Counts Rankings
Rankings
233,779
979
20
Ranking Based On Selection: 16
Anthony Booth
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,347
1,514
0.348
* Total Citation Counts Rankings
Rankings
242,498
1,020
234
Ranking Based On Selection: 17
Colin Graham Attwood
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,179
1,367
0.327
* Total Citation Counts Rankings
Rankings
242,903
508
14
Ranking Based On Selection: 18
Ahmed A Tayel
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,171
2,867
0.687
Food biotechnology
Food Safety
Natural Products
* Total Citation Counts Rankings
Rankings
254,001
552
72
Ranking Based On Selection: 19
Ehab El Haroun
Cairo University
Giza, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,972
3,136
0.790
Aquaculture
Nutritional biochemistry
Modelling
* Total Citation Counts Rankings
Rankings
258,831
1,104
138
Ranking Based On Selection: 20
Tammy Robinson
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,889
2,504
0.644
* Total Citation Counts Rankings
Rankings
263,224
590
39
Ranking Based On Selection: 21
Alaa El Din H Sayed
Assiut University
Asyut, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,814
3,105
0.814
Fish Biology
Environmental Pollution
Aquatic Toxicology
Bioradiation
* Total Citation Counts Rankings
Rankings
264,419
9
9
Ranking Based On Selection: 22
Ranjeet Bhagooli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,795
1,799
0.474
Corals/Coral reefs
coral bleaching
adaptation to climate change and sustainable development
* Total Citation Counts Rankings
Rankings
277,160
1,195
25
Ranking Based On Selection: 23
Marek Lipinski
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,593
1,103
0.307
cephalopods
all aspects
fish and fisheries
* Total Citation Counts Rankings
Rankings
287,422
122
50
Ranking Based On Selection: 24
Appeaning Addo Kwasi
University of Ghana
Legon, Ghana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,444
2,617
0.760
coastal erosion
shoreline change modelling
coastal processes
* Total Citation Counts Rankings
Rankings
296,869
1,305
30
Ranking Based On Selection: 25
Horst Kaiser
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,317
1,284
0.387