Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
17,491
Country Rank
71
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Christopher Mcquaid](https://cdn.adscientificindex.com/pictures/31/105775.jpg)
Marine ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
264
170
0.644
* Total i10 Index Rankings
World Rank
18,989
Country Rank
35
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/4697.png)
![Egypt](/flags/eg.png)
![Mahmoud Dawood](https://cdn.adscientificindex.com/pictures/66/92991.jpg)
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
254
1.000
* Total i10 Index Rankings
World Rank
24,911
Country Rank
109
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Marthan Bester](https://cdn.adscientificindex.com/pictures/b0/93412.jpg)
Marine Mammal Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
109
0.484
* Total i10 Index Rankings
World Rank
30,807
Country Rank
140
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/15677.jpg)
![South Africa](/flags/za.png)
![Olaf LF Weyl](https://cdn.adscientificindex.com/pictures/82/4375107.jpg)
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
162
0.798
* Total i10 Index Rankings
World Rank
39,651
Country Rank
167
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Charles Griffiths](/user/assets/images/profile/no-profile-photo.png)
Marine invertebrate biodiversity
marine alien species
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
180
110
0.611
* Total i10 Index Rankings
World Rank
77,952
Country Rank
10
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/8224.png)
![Tanzania](/flags/tz.png)
![Robinson H. Mdegela](https://cdn.adscientificindex.com/pictures/7d/89559.jpg)
Ecosystem health
One Health
Ecosystem health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
124
102
0.823
* Total i10 Index Rankings
World Rank
78,337
Country Rank
361
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Warwick Sauer](https://cdn.adscientificindex.com/pictures/16/92068.jpg)
fisheries
ocean governance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
124
79
0.637
* Total i10 Index Rankings
World Rank
79,192
Country Rank
366
Institution Rank : 82
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Lynne Shannon](/user/assets/images/profile/no-profile-photo.png)
fisheries
marine
Benguela
indicators
ecosystem
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
91
0.740
* Total i10 Index Rankings
World Rank
104,712
Country Rank
478
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Anthony Booth](https://cdn.adscientificindex.com/pictures/af/104128.jpg)
Ichthyology
ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
50
0.481
* Total i10 Index Rankings
World Rank
116,266
Country Rank
547
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/11497.jpg)
![South Africa](/flags/za.png)
![Mark Gibbons](/user/assets/images/profile/no-profile-photo.png)
Marine Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
60
0.619
* Total i10 Index Rankings
World Rank
123,480
Country Rank
21
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Jiddawi Narriman Saleh](/user/assets/images/profile/no-profile-photo.png)
Fisheries
Mariculture
Women empowerment
Marine mammals
Climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
68
0.731
* Total i10 Index Rankings
World Rank
124,074
Country Rank
586
Institution Rank : 128
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Astrid Jarre](https://cdn.adscientificindex.com/pictures/15/104405.jpg)
Environmental management
Marine ecology
Fisheries management
Structured decision making
Climate change adaptation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
48
0.516
* Total i10 Index Rankings
World Rank
126,119
Country Rank
601
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/11497.jpg)
![South Africa](/flags/za.png)
![Michael Davies-Coleman](https://cdn.adscientificindex.com/pictures/ea/93800.jpg)
marine natural products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
43
0.467
* Total i10 Index Rankings
World Rank
126,687
Country Rank
345
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/612.jpg)
![Egypt](/flags/eg.png)
![Alaa El Din H Sayed](https://cdn.adscientificindex.com/pictures/31/103344.jpg)
Fish Biology
Environmental Pollution
Aquatic Toxicology
Bioradiation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
84
0.923
* Total i10 Index Rankings
World Rank
138,410
Country Rank
384
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/318.png)
![Egypt](/flags/eg.png)
![Abdel Fattah M El Sayed](https://cdn.adscientificindex.com/pictures/7f/101847.jpg)
Aquaculture
fish biology
fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
63
0.733
* Total i10 Index Rankings
World Rank
150,866
Country Rank
26
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/10945.jpg)
![Tanzania](/flags/tz.png)
![Yunus D. Mgaya](https://cdn.adscientificindex.com/pictures/d2/92492.jpg)
Aquaculture
Fisheries
Marine Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
52
0.642
* Total i10 Index Rankings
World Rank
162,023
Country Rank
802
Institution Rank : 175
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Colin Graham Attwood](/user/assets/images/profile/no-profile-photo.png)
Marine ecology
Fisheries biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
43
0.558
* Total i10 Index Rankings
World Rank
167,004
Country Rank
836
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Warren Potts](/user/assets/images/profile/no-profile-photo.png)
Fish
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
57
0.760
* Total i10 Index Rankings
World Rank
169,148
Country Rank
482
Institution Rank : 53
![](https://cdn.adscientificindex.com/logos/1146.png)
![Egypt](/flags/eg.png)
![Ehab El Haroun](https://cdn.adscientificindex.com/pictures/0a/1346193.jpg)
Aquaculture
Nutritional biochemistry
Modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
67
0.905
* Total i10 Index Rankings
World Rank
180,497
Country Rank
520
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/16253.jpg)
![Egypt](/flags/eg.png)
![Sahar Fahmy Mehanna](/pictures/1d/4412661.jpg)
Fisheries management
fish population dynamics
marine ecosystem conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
42
0.592
* Total i10 Index Rankings
World Rank
196,062
Country Rank
604
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/4697.png)
![Egypt](/flags/eg.png)
![Ahmed A Tayel](https://cdn.adscientificindex.com/pictures/f4/102768.jpg)
Food biotechnology
Food Safety
Natural Products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
61
0.924
* Total i10 Index Rankings
World Rank
202,932
Country Rank
1,042
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Marek Lipinski](https://cdn.adscientificindex.com/pictures/28/93261.jpg)
cephalopods
all aspects
fish and fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
25
0.385
* Total i10 Index Rankings
World Rank
209,025
Country Rank
285
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![Nigeria](/flags/ng.png)
![Christopher Didigwu Nwani](https://cdn.adscientificindex.com/pictures/cd/105759.jpg)
Environmental & Molecular Toxicology
DNA Barcoding
Fish Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
50
0.794
* Total i10 Index Rankings
World Rank
214,120
Country Rank
300
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/11230.jpg)
![Nigeria](/flags/ng.png)
![Joseph Eyo](https://cdn.adscientificindex.com/pictures/8c/100392.jpg)
Fisheries
Physiology
Parasitology
Entomology
Applied Zoology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
42
0.677
* Total i10 Index Rankings
World Rank
216,985
Country Rank
1,139
Institution Rank : 145
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Tammy Robinson](https://cdn.adscientificindex.com/pictures/ab/91262.jpg)
Marine ecology
invasion biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
53
0.869
* Total i10 Index Rankings
World Ranking
17,491
Country Ranking
71
Institution Ranking
3
Christopher Mcquaid
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
264
170
0.644
* Total i10 Index Rankings
World Ranking
18,989
Country Ranking
35
Institution Ranking
2
Mahmoud Dawood
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
254
1.000
![](https://cdn.adscientificindex.com/logos/4697.png)
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
* Total i10 Index Rankings
World Ranking
24,911
Country Ranking
109
Institution Ranking
8
Marthan Bester
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
109
0.484
* Total i10 Index Rankings
World Ranking
30,807
Country Ranking
140
Institution Ranking
2
Olaf LF Weyl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
162
0.798
![](https://cdn.adscientificindex.com/logos/15677.jpg)
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
* Total i10 Index Rankings
World Ranking
39,651
Country Ranking
167
Institution Ranking
33
Charles Griffiths
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
180
110
0.611
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Marine invertebrate biodiversity
marine alien species
* Total i10 Index Rankings
World Ranking
77,952
Country Ranking
10
Institution Ranking
2
Robinson H. Mdegela
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
124
102
0.823
![](https://cdn.adscientificindex.com/logos/8224.png)
Ecosystem health
One Health
Ecosystem health
* Total i10 Index Rankings
World Ranking
78,337
Country Ranking
361
Institution Ranking
10
Warwick Sauer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
124
79
0.637
* Total i10 Index Rankings
World Ranking
79,192
Country Ranking
366
Institution Ranking
82
Lynne Shannon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
91
0.740
![](https://cdn.adscientificindex.com/logos/10906.jpg)
fisheries
marine
Benguela
indicators
ecosystem
* Total i10 Index Rankings
World Ranking
104,712
Country Ranking
478
Institution Ranking
11
Anthony Booth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
50
0.481
* Total i10 Index Rankings
World Ranking
116,266
Country Ranking
547
Institution Ranking
14
Mark Gibbons
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
60
0.619
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total i10 Index Rankings
World Ranking
123,480
Country Ranking
21
Institution Ranking
2
Jiddawi Narriman Saleh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
68
0.731
![](https://cdn.adscientificindex.com/logos/10945.jpg)
Fisheries
Mariculture
Women empowerment
Marine mammals
Climate change
* Total i10 Index Rankings
World Ranking
124,074
Country Ranking
586
Institution Ranking
128
Astrid Jarre
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
48
0.516
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Environmental management
Marine ecology
Fisheries management
Structured decision making
Climate change adaptation
* Total i10 Index Rankings
World Ranking
126,119
Country Ranking
601
Institution Ranking
19
Michael Davies-Coleman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
43
0.467
* Total i10 Index Rankings
World Ranking
126,687
Country Ranking
345
Institution Ranking
25
Alaa El Din H Sayed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
84
0.923
![](https://cdn.adscientificindex.com/logos/612.jpg)
Fish Biology
Environmental Pollution
Aquatic Toxicology
Bioradiation
* Total i10 Index Rankings
World Ranking
138,410
Country Ranking
384
Institution Ranking
22
Abdel Fattah M El Sayed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
63
0.733
* Total i10 Index Rankings
World Ranking
150,866
Country Ranking
26
Institution Ranking
3
Yunus D. Mgaya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
52
0.642
![](https://cdn.adscientificindex.com/logos/10945.jpg)
Aquaculture
Fisheries
Marine Biology
* Total i10 Index Rankings
World Ranking
162,023
Country Ranking
802
Institution Ranking
175
Colin Graham Attwood
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
43
0.558
* Total i10 Index Rankings
World Ranking
167,004
Country Ranking
836
Institution Ranking
21
Warren Potts
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
57
0.760
* Total i10 Index Rankings
World Ranking
169,148
Country Ranking
482
Institution Ranking
53
Ehab El Haroun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
67
0.905
![](https://cdn.adscientificindex.com/logos/1146.png)
Aquaculture
Nutritional biochemistry
Modelling
* Total i10 Index Rankings
World Ranking
180,497
Country Ranking
520
Institution Ranking
2
Sahar Fahmy Mehanna
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
42
0.592
![](https://cdn.adscientificindex.com/logos/16253.jpg)
Fisheries management
fish population dynamics
marine ecosystem conservation
* Total i10 Index Rankings
World Ranking
196,062
Country Ranking
604
Institution Ranking
19
Ahmed A Tayel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
61
0.924
![](https://cdn.adscientificindex.com/logos/4697.png)
Food biotechnology
Food Safety
Natural Products
* Total i10 Index Rankings
World Ranking
202,932
Country Ranking
1,042
Institution Ranking
25
Marek Lipinski
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
25
0.385
![](https://cdn.adscientificindex.com/logos/7293.jpg)
cephalopods
all aspects
fish and fisheries
* Total i10 Index Rankings
World Ranking
209,025
Country Ranking
285
Institution Ranking
25
Christopher Didigwu Nwani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
50
0.794
![](https://cdn.adscientificindex.com/logos/11230.jpg)
Environmental & Molecular Toxicology
DNA Barcoding
Fish Physiology
* Total i10 Index Rankings
World Ranking
214,120
Country Ranking
300
Institution Ranking
27
Joseph Eyo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
42
0.677
![](https://cdn.adscientificindex.com/logos/11230.jpg)
Fisheries
Physiology
Parasitology
Entomology
Applied Zoology
* Total i10 Index Rankings
World Ranking
216,985
Country Ranking
1,139
Institution Ranking
145
Tammy Robinson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
53
0.869