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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
Microbial ecology
decomposition
aquatic fungi
stream ecology
aquatic ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
218
110
0.505
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
phytoplankton
cyanobacteria
photosynthesis
photosystem II
electron transport
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
84
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
Boron Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
73
0.570
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
fish ecology and aquaculture
reproduction
cryopreservation
animal tracking
statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
43
0.662
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
Executive Functions
social
preschool
autistic spectrum disorder
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
39
0.929
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
Comparative physiology
nanotoxicology
fish physiology
conservation physiology
biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
35
0.761
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
inorganic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
35
0.778
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
diatom evolution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
33
0.440
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
Ecology
Ornithology
Marine Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
33
0.647
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
Aquatic ecosystems
Environmental Science
Paleolimnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
27
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :11
materials science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
26
0.406
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :12
Quantum Information Theory
Matrix Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :13
management
organizational theory
grounded theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :14
Medical Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
23
0.469
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :15
gentrification
gender
embodiment
cities
collective biography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :16
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :17
Environmental proteomics
photosynthesis
viruses
microbial processes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
21
0.840
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :18
Metabolism
mitochondria
environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :19
Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :20
biochemistry
molecular biology
oceanography
phytoplankton
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
20
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :21
atmospheric chemistry
air quality
environmental analytical chemistry
aerosol toxicity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :22
human ecology
environment and development
tropical forests
mangroves
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :23
Algal Ecophysiology
Ecological Stoichiometry
Biogeochemistry
Harmful Algal Blooms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :24
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :25
Category theory
Theory of database systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
14
0.311
BäRlocher Felix
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
218
110
0.505
Microbial ecology
decomposition
aquatic fungi
stream ecology
aquatic ecology
Douglas A Campbell
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
84
0.750
phytoplankton
cyanobacteria
photosynthesis
photosystem II
electron transport
Stephen A Westcott
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
73
0.570
Matt Litvak
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
43
0.662
fish ecology and aquaculture
reproduction
cryopreservation
animal tracking
statistics
Nancy Garon
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
39
0.929
Executive Functions
social
preschool
autistic spectrum disorder
Tyson J Maccormack
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
35
0.761
Comparative physiology
nanotoxicology
fish physiology
conservation physiology
biochemistry
Stephen J Geier
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
35
0.778
Irena Kaczmarska
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
33
0.440
Diana J Hamilton
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
33
0.647
Ecology
Ornithology
Marine Biology
Joshua Kurek
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
27
0.750
Aquatic ecosystems
Environmental Science
Paleolimnology
Ralf Brüning
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
26
0.406
Nathaniel Johnston
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
Judith Holton
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
management
organizational theory
grounded theory
David EB Fleming
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
23
0.469
Leslie Kern
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
gentrification
gender
embodiment
cities
collective biography
Gene Ouellette
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
Chris Brown
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
21
0.840
Environmental proteomics
photosynthesis
viruses
microbial processes
Andrea Morash
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
Metabolism
mitochondria
environment
Lisa Dawn Hamilton
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
Amanda Cockshutt
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
20
0.667
biochemistry
molecular biology
oceanography
phytoplankton
Jenny PS Wong
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
atmospheric chemistry
air quality
environmental analytical chemistry
aerosol toxicity
Brad Walters
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
human ecology
environment and development
tropical forests
mangroves
Justin D Liefer
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Algal Ecophysiology
Ecological Stoichiometry
Biogeochemistry
Harmful Algal Blooms
Jill Rourke
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Bob Rosebrugh
Mount Allison University
Sackville, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
14
0.311