Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Jianguo Liu](https://cdn.adscientificindex.com/pictures/1f/1606171.jpg)
coupled human and natural systems
forest
systems integration
telecoupling
terrestrial ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
398
308
0.774
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Melinda Smale](/user/assets/images/profile/no-profile-photo.png)
Adoption and impact of agricultural technologies in developing economies
food policy
agrobiodiversity
seed
Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
220
99
0.450
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Fredric Janzen](https://cdn.adscientificindex.com/pictures/f5/1395010.jpg)
Ecology
Evolution
Genetics
Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
113
0.685
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Charles C Krueger](https://cdn.adscientificindex.com/pictures/fb/1617259.jpg)
Population Ecology
Population Genetics
Fishery Management
Acoustic Telemetry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
85
0.535
* Total i10 IndexRankings
Ranking Based On Selection: 5
![George Smith](/user/assets/images/profile/no-profile-photo.png)
reproductive biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
142
79
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 6
![M Eric Benbow](https://cdn.adscientificindex.com/pictures/75/1617315.jpg)
Microbe-Insect Interations
Aquatic Ecology and Entomology
Disease Ecology
Decomposition Ecology
Forensics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
104
0.759
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Nick Haddad](https://cdn.adscientificindex.com/pictures/21/1617187.jpg)
Ecology
Conservation Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
108
89
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Rebecca C Jordan](/user/assets/images/profile/no-profile-photo.png)
Science Learning
Ecology
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
76
0.745
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Charles Ofria](https://cdn.adscientificindex.com/pictures/c3/1617247.jpg)
Artificial Life
Digital Evolution
Evolutionary Computation
Bio-Inspired Computing
Evolutionary Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
59
0.596
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Guy L Bush](https://cdn.adscientificindex.com/pictures/fb/1383738.jpg)
Evolution
Speciation
Ecology
Behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
22
0.237
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Assaf A Gilad](https://cdn.adscientificindex.com/pictures/b1/1617311.jpg)
Biotechnology
MRI
cancer
biosensors
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
67
0.817
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Elise F Zipkin](https://cdn.adscientificindex.com/pictures/33/1617408.jpg)
Quantitative ecology
Conservation biology
Population dynamics
Community modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
76
0.950
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Jeffrey K Conner](https://cdn.adscientificindex.com/pictures/30/1617255.jpg)
Evolutionary Biologist
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
53
0.671
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Christopher A Klausmeier](https://cdn.adscientificindex.com/pictures/80/1395009.jpg)
Theoretical ecology
Plankton ecology
Eco-evolutionary modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
67
0.859
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Gary Mittelbach](https://cdn.adscientificindex.com/pictures/30/1404717.jpg)
community ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
58
0.744
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Bahar Aliakbarian](https://cdn.adscientificindex.com/pictures/71/1617415.jpg)
Biotechnology
Food
Chemical Engineering
Biofuels
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
68
0.895
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Changliang Shao](https://cdn.adscientificindex.com/pictures/da/1394142.jpg)
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
66
0.930
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Kendra Spence Cheruvelil](https://cdn.adscientificindex.com/pictures/66/1617460.jpg)
landscape limnology
macrosystems ecology
lake ecology
data-intensive ecology
scholarly college teaching
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
56
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Jose M Teixeira](/user/assets/images/profile/no-profile-photo.png)
reproductive biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
43
0.623
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Alan M Fryday](https://cdn.adscientificindex.com/pictures/67/1556715.jpg)
Lichenology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
19
0.275
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Ingo Braasch](https://cdn.adscientificindex.com/pictures/c2/1617304.jpg)
Evolutionary Developmental Biology
EvoDevo
Comparative Genomics
Fish
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
* Total i10 IndexRankings
Ranking Based On Selection: 22
![CD Difonzo](https://cdn.adscientificindex.com/pictures/a1/1383776.jpg)
entomology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
40
0.645
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Jean I Tsao](https://cdn.adscientificindex.com/pictures/ec/1617359.jpg)
Disease ecology
Lyme disease
tick-borne disease
vector ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
53
0.883
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Robert B Richardson](https://cdn.adscientificindex.com/pictures/8a/1617496.jpg)
ecological economics
sustainable development
sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
44
0.759
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Janette W Boughman](https://cdn.adscientificindex.com/pictures/d2/1355140.jpg)
Anthropocene & evolution
Sexual Selection
Speciation
Animal Communication
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
38
0.717
Jianguo Liu
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
398
308
0.774
coupled human and natural systems
forest
systems integration
telecoupling
terrestrial ecology
Melinda Smale
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
220
99
0.450
Adoption and impact of agricultural technologies in developing economies
food policy
agrobiodiversity
seed
Africa
Fredric Janzen
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
113
0.685
Ecology
Evolution
Genetics
Conservation
Charles C Krueger
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
85
0.535
Population Ecology
Population Genetics
Fishery Management
Acoustic Telemetry
George Smith
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
142
79
0.556
M Eric Benbow
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
104
0.759
Microbe-Insect Interations
Aquatic Ecology and Entomology
Disease Ecology
Decomposition Ecology
Forensics
Nick Haddad
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
108
89
0.824
Rebecca C Jordan
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
76
0.745
Science Learning
Ecology
Sustainability
Charles Ofria
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
59
0.596
Artificial Life
Digital Evolution
Evolutionary Computation
Bio-Inspired Computing
Evolutionary Biology
Guy L Bush
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
22
0.237
Evolution
Speciation
Ecology
Behavior
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Assaf A Gilad
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
67
0.817
Biotechnology
MRI
cancer
biosensors
Elise F Zipkin
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
76
0.950
Quantitative ecology
Conservation biology
Population dynamics
Community modeling
Jeffrey K Conner
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
53
0.671
Christopher A Klausmeier
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
67
0.859
Theoretical ecology
Plankton ecology
Eco-evolutionary modeling
Gary Mittelbach
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
58
0.744
Bahar Aliakbarian
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
68
0.895
Biotechnology
Food
Chemical Engineering
Biofuels
Changliang Shao
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
66
0.930
Kendra Spence Cheruvelil
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
56
0.800
landscape limnology
macrosystems ecology
lake ecology
data-intensive ecology
scholarly college teaching
Jose M Teixeira
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
43
0.623
Alan M Fryday
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
19
0.275
Ingo Braasch
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
Evolutionary Developmental Biology
EvoDevo
Comparative Genomics
Fish
CD Difonzo
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
40
0.645
Jean I Tsao
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
53
0.883
Disease ecology
Lyme disease
tick-borne disease
vector ecology
Robert B Richardson
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
44
0.759
ecological economics
sustainable development
sustainability
Janette W Boughman
Michigan State University
East Lansing, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
38
0.717
Anthropocene & evolution
Sexual Selection
Speciation
Animal Communication