Total 2,448,388 scientists, country 221, and institutions 24,477 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

Stories
climate
nature & health
sust and regen ag
good life
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
171
0.596
* Total i10 IndexRankings
Ranking Based On Selection: 2

environmental science
indoor air
aerosol science
nanoparticles and the environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
116
60
0.517
* Total i10 IndexRankings
Ranking Based On Selection: 3

environmental microbiology
microbial ecology
geomicrobiology
halophiles
hydrocarbon microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
87
0.829
* Total i10 IndexRankings
Ranking Based On Selection: 4

Community and Molecular Ecology of Microbes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
68
0.919
* Total i10 IndexRankings
Ranking Based On Selection: 5

benthic biogeochemistry
carbon cycling
marine sediments
carbon sequestration
blue carbon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 6

Environmental Microbiology
Molecular Ecology
Bioaerosols
Antimicrobial resistance
Public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection: 7

Photosynthesis
Photorespiration
Rubisco
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
Jules Pretty
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
287
171
0.596
Stories
climate
nature & health
sust and regen ag
good life
Ian Colbeck
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
116
60
0.517
environmental science
indoor air
aerosol science
nanoparticles and the environment
Terry J McGenity
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
87
0.829
environmental microbiology
microbial ecology
geomicrobiology
halophiles
hydrocarbon microbiology
Alex J Dumbrell
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
68
0.919
Community and Molecular Ecology of Microbes
Natalie Hicks
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
benthic biogeochemistry
carbon cycling
marine sediments
carbon sequestration
blue carbon
RMW Ferguson
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Environmental Microbiology
Molecular Ecology
Bioaerosols
Antimicrobial resistance
Public health
Amanda Cavanagh
University of Essex
Colchester, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
Photosynthesis
Photorespiration
Rubisco
Climate Change