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i10 Productivity
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Nelson Mandela University 333 Scientists i10 Productivity Rankings - 2026

Discover the only real-time global i10 Index ranking that measures the productivity of 2.6 million scientists worldwide. By analyzing both total and last 5 years’ i10 values, this ranking highlights consistency and sustained academic contribution. Compare performance at global, continental, national, and institutional levels across 13 main fields and 221 disciplines.

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Total 333 scientist , Updates every 3 days
* Total i10 Index Rankings

Rankings

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8,483
World Rank
South Africa
31
Country Rank
Nelson Mandela University Logo
1
University
Ranking Based On Selection:
1
Richard M. Cowling
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Biological Science
Plant diversity and evolution | palaeovegetation science | conservation scienc

i-10 Metrics

  • Total
    387
  • Last 5 Years
    255
  • Last 5 Years / Total
    0.659
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* Total i10 Index Rankings

Rankings

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22,926
World Rank
South Africa
105
Country Rank
Nelson Mandela University Logo
2
University
Ranking Based On Selection:
2
Gideon F. Smith
Nelson Mandela University Port Elizabeth, South Africa
Others
Botany | systematics | ecology | nomenclatur

i-10 Metrics

  • Total
    255
  • Last 5 Years
    131
  • Last 5 Years / Total
    0.514
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* Total i10 Index Rankings

Rankings

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28,686
World Rank
South Africa
132
Country Rank
Nelson Mandela University Logo
3
University
Ranking Based On Selection:
3
Graham Ih Kerley
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Biological Science
Conservation biology | megaherbivore ecology | predator prey interactions | ecological histor

i-10 Metrics

  • Total
    230
  • Last 5 Years
    150
  • Last 5 Years / Total
    0.652
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* Total i10 Index Rankings

Rankings

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30,273
World Rank
South Africa
144
Country Rank
Nelson Mandela University Logo
4
University
Ranking Based On Selection:
4
Janine Adams
Nelson Mandela University Port Elizabeth, South Africa
Others
estuarine ecology | freshwater inflow requirements | environmental water requirements | salt marsh | mangrove

i-10 Metrics

  • Total
    224
  • Last 5 Years
    177
  • Last 5 Years / Total
    0.790
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* Total i10 Index Rankings

Rankings

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36,515
World Rank
South Africa
165
Country Rank
Nelson Mandela University Logo
5
University
Ranking Based On Selection:
5
Herve Fritz
Nelson Mandela University Port Elizabeth, South Africa
Others
Ecology Conservatio

i-10 Metrics

  • Total
    205
  • Last 5 Years
    144
  • Last 5 Years / Total
    0.702
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* Total i10 Index Rankings

Rankings

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54,523
World Rank
South Africa
241
Country Rank
Nelson Mandela University Logo
6
University
Ranking Based On Selection:
6
Sp Daniel Chowdhury
Nelson Mandela University Port Elizabeth, South Africa
Others
Renewable Energy | Active Distribution Networks | Poverty Alleviation by Just Microgrids | CO2 & H2

i-10 Metrics

  • Total
    168
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.327
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* Total i10 Index Rankings

Rankings

flag
55,132
World Rank
South Africa
244
Country Rank
Nelson Mandela University Logo
7
University
Ranking Based On Selection:
7
Anton Mclachlan
Nelson Mandela University Port Elizabeth, South Africa
Others
sandy beaches | coastal ecology | marine biology | biodiversit

i-10 Metrics

  • Total
    167
  • Last 5 Years
    58
  • Last 5 Years / Total
    0.347
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* Total i10 Index Rankings

Rankings

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88,923
World Rank
South Africa
405
Country Rank
Nelson Mandela University Logo
8
University
Ranking Based On Selection:
8
Rossouw Von Solms
Nelson Mandela University Port Elizabeth, South Africa
Others
Information security management | IT governanc

i-10 Metrics

  • Total
    127
  • Last 5 Years
    70
  • Last 5 Years / Total
    0.551
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* Total i10 Index Rankings

Rankings

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100,210
World Rank
South Africa
460
Country Rank
Nelson Mandela University Logo
9
University
Ranking Based On Selection:
9
Pierre Pistorius
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Biological Science
marine top predators - behavioural ecology - population ecology - conservation biolog

i-10 Metrics

  • Total
    118
  • Last 5 Years
    86
  • Last 5 Years / Total
    0.729
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* Total i10 Index Rankings

Rankings

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151,607
World Rank
South Africa
734
Country Rank
Nelson Mandela University Logo
10
University
Ranking Based On Selection:
10
Amanda T Lombard
Nelson Mandela University Port Elizabeth, South Africa
Others
Marine Spatial Plannin

i-10 Metrics

  • Total
    90
  • Last 5 Years
    64
  • Last 5 Years / Total
    0.711
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* Total i10 Index Rankings

Rankings

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163,635
World Rank
South Africa
811
Country Rank
Nelson Mandela University Logo
11
University
Ranking Based On Selection:
11
Maryna Van De Venter
Nelson Mandela University Port Elizabeth, South Africa
Medical and Health Sciences / Biochemistry

i-10 Metrics

  • Total
    85
  • Last 5 Years
    70
  • Last 5 Years / Total
    0.824
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* Total i10 Index Rankings

Rankings

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184,730
World Rank
South Africa
942
Country Rank
Nelson Mandela University Logo
12
University
Ranking Based On Selection:
12
Rajesh Anandjiwala
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Textile Engineering
nonwoven | textiles | fibre reinforced compoistes | technical textile

i-10 Metrics

  • Total
    78
  • Last 5 Years
    53
  • Last 5 Years / Total
    0.679
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* Total i10 Index Rankings

Rankings

flag
213,638
World Rank
South Africa
1,106
Country Rank
Nelson Mandela University Logo
13
University
Ranking Based On Selection:
13
K. Abou-El-Hossein
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Mechanical Engineering
Manufacturing | Hydrogen | Renewable Energ

i-10 Metrics

  • Total
    70
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.500
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* Total i10 Index Rankings

Rankings

flag
214,133
World Rank
South Africa
1,111
Country Rank
Nelson Mandela University Logo
14
University
Ranking Based On Selection:
14
Johannes Reinhardt Botha
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Physics
compound semiconductor

i-10 Metrics

  • Total
    70
  • Last 5 Years
    22
  • Last 5 Years / Total
    0.314
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* Total i10 Index Rankings

Rankings

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230,433
World Rank
South Africa
1,228
Country Rank
Nelson Mandela University Logo
15
University
Ranking Based On Selection:
15
Zenixole Tshentu
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Chemical Sciences
Inorganic chemistry | materials | catalysis | hydrometallurg

i-10 Metrics

  • Total
    66
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.455
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* Total i10 Index Rankings

Rankings

flag
234,812
World Rank
South Africa
1,259
Country Rank
Nelson Mandela University Logo
16
University
Ranking Based On Selection:
16
Girish Mody
Nelson Mandela University Port Elizabeth, South Africa
Others
Rheumatology | Medicin

i-10 Metrics

  • Total
    65
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.477
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* Total i10 Index Rankings

Rankings

flag
243,547
World Rank
South Africa
1,322
Country Rank
Nelson Mandela University Logo
17
University
Ranking Based On Selection:
17
Andre Calitz
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Computer Science
IT | CS | I

i-10 Metrics

  • Total
    63
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.587
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* Total i10 Index Rankings

Rankings

flag
280,837
World Rank
South Africa
1,514
Country Rank
Nelson Mandela University Logo
18
University
Ranking Based On Selection:
18
Barend Van Wyk
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Computer Science
Machine Learning and Computational Intelligence | Image Processing | Telecommunications | Signal Processing | Engineering Educatio

i-10 Metrics

  • Total
    56
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.429
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* Total i10 Index Rankings

Rankings

flag
303,205
World Rank
South Africa
1,652
Country Rank
Nelson Mandela University Logo
19
University
Ranking Based On Selection:
19
David Bell
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Earth Sciences
Mantle Geochemistry | Cosmochemistry | Geology of southern Africa and western North America | Natural philosoph

i-10 Metrics

  • Total
    52
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.712
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* Total i10 Index Rankings

Rankings

flag
320,056
World Rank
South Africa
1,746
Country Rank
Nelson Mandela University Logo
20
University
Ranking Based On Selection:
20
Chijioke Olisah
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Chemical Sciences
Analytical Chemistry/Environmental modelling | Ecotoxicology | Persistent organic pollutants | phytoremediatio

i-10 Metrics

  • Total
    49
  • Last 5 Years
    48
  • Last 5 Years / Total
    0.980
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* Total i10 Index Rankings

Rankings

flag
331,101
World Rank
South Africa
1,808
Country Rank
Nelson Mandela University Logo
21
University
Ranking Based On Selection:
21
Winston Shakantu
Nelson Mandela University Port Elizabeth, South Africa
Engineering & Technology / Civil Engineering
Construction Managemen

i-10 Metrics

  • Total
    48
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.688
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* Total i10 Index Rankings

Rankings

flag
333,549
World Rank
South Africa
1,820
Country Rank
Nelson Mandela University Logo
22
University
Ranking Based On Selection:
22
Little KM
Nelson Mandela University Port Elizabeth, South Africa
Agriculture & Forestry / Plant Science
Forest Silviculture | Vegetation Management | Coppice Management | Plantation Regeneratio

i-10 Metrics

  • Total
    48
  • Last 5 Years
    15
  • Last 5 Years / Total
    0.313
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* Total i10 Index Rankings

Rankings

flag
339,553
World Rank
South Africa
1,857
Country Rank
Nelson Mandela University Logo
23
University
Ranking Based On Selection:
23
EE Van Dyk
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Physics
Semiconductor Physics | Photovoltaic

i-10 Metrics

  • Total
    47
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.574
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* Total i10 Index Rankings

Rankings

flag
343,703
World Rank
South Africa
1,887
Country Rank
Nelson Mandela University Logo
24
University
Ranking Based On Selection:
24
Syden Mishi
Nelson Mandela University Port Elizabeth, South Africa
Economics & Econometrics / Economics
Development Economics | Experimental Economics | Behavioural Economics | Applied Microeconomic

i-10 Metrics

  • Total
    46
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.870
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* Total i10 Index Rankings

Rankings

flag
344,814
World Rank
South Africa
1,899
Country Rank
Nelson Mandela University Logo
25
University
Ranking Based On Selection:
25
Tim Downing
Nelson Mandela University Port Elizabeth, South Africa
Natural Sciences / Biological Science
Ecotoxicology | Cyanotoxinology and Cyanotoxicology | Fresh water quality | Phytoremediation | Bio-fertilizer

i-10 Metrics

  • Total
    46
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.783
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