Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Ecotoxicology
Environmental Chemistry
Aquatic Toxicology
Ecology
Environmental Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,593
32,664
0.331
* Total Citation Counts Rankings
Ranking Based On Selection :2
behavioural ecology
evolutionary ecology
predator-prey interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,096
7,659
0.332
* Total Citation Counts Rankings
Ranking Based On Selection :3
Structural biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,021
4,243
0.193
* Total Citation Counts Rankings
Ranking Based On Selection :4
Reproductive biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,887
5,344
0.269
* Total Citation Counts Rankings
Ranking Based On Selection :5
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,409
8,457
0.587
* Total Citation Counts Rankings
Ranking Based On Selection :6
Predator-prey interactions
behavioural ecology
evolutionary ecology
human-induced environmental change
cognitive ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,810
6,796
0.492
* Total Citation Counts Rankings
Ranking Based On Selection :7
ecotoxicology
birds
pesticides
agroecosystems
rivers and wetlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,967
6,981
0.700
* Total Citation Counts Rankings
Ranking Based On Selection :8
Plant Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,651
3,834
0.397
* Total Citation Counts Rankings
Ranking Based On Selection :9
woodpeckers
parental care
incubation
sex roles
snowy owl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
2,095
0.319
* Total Citation Counts Rankings
Ranking Based On Selection :10
Ecotoxicology
Stress Physiology
Fish Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,447
2,373
0.368
* Total Citation Counts Rankings
Ranking Based On Selection :11
Evolution
Genomics
Apomixis
Reproduction
Plants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,023
2,282
0.379
* Total Citation Counts Rankings
Ranking Based On Selection :12
population ecology
life history
evolution
caribou
Sable Island horses
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,957
2,499
0.420
* Total Citation Counts Rankings
Ranking Based On Selection :13
mitochondria
energy and metal ion homeostasis
signaling
human disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,840
1,863
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :14
zebrafish
heat shock proteins
developmental biology
toxicology
synchrotron imaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,099
864
0.211
* Total Citation Counts Rankings
Ranking Based On Selection :15
aquatic ecology
biogeochemistry
greenhouse gas emissions
climate change
winter limnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,818
2,980
0.781
* Total Citation Counts Rankings
Ranking Based On Selection :16
Ecotoxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,726
2,768
0.743
* Total Citation Counts Rankings
Ranking Based On Selection :17
skeletal development
evolution
regeneration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,680
1,678
0.456
* Total Citation Counts Rankings
Ranking Based On Selection :18
Wildlife ecology
Conservation Biology
Community Engagement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,526
2,009
0.570
* Total Citation Counts Rankings
Ranking Based On Selection :19
Ecohydrology
beaver
groundwater-surface water interactions
wetlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,254
1,909
0.587
* Total Citation Counts Rankings
Ranking Based On Selection :20
grassland ecology
landscape ecology
large mammal behaviour
conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,197
921
0.288
* Total Citation Counts Rankings
Ranking Based On Selection :21
textual scholarship
digital humanities
phylogenetics
Chaucer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,612
534
0.204
* Total Citation Counts Rankings
Ranking Based On Selection :22
Community Ecology
Plant Ecology
Mycorrhizas
Plant-soil feedbacks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,497
1,963
0.786
* Total Citation Counts Rankings
Ranking Based On Selection :23
Plant systematics
Cactaceae
Reproductive biology
Vivipary
Pollination biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,489
962
0.387
* Total Citation Counts Rankings
Ranking Based On Selection :24
plant biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,461
955
0.388
* Total Citation Counts Rankings
Ranking Based On Selection :25
Reproductive Biology
Developmental Biology
Placenta
Uterine Function
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,190
1,089
0.497
John Giesy
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,593
32,664
0.331
Ecotoxicology
Environmental Chemistry
Aquatic Toxicology
Ecology
Environmental Toxicology
Douglas Chivers
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,096
7,659
0.332
behavioural ecology
evolutionary ecology
predator-prey interactions
Miroslaw Cygler
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,021
4,243
0.193
Gregg P Adams
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,887
5,344
0.269
Jill Johnstone
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,409
8,457
0.587
Maud Ferrari
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,810
6,796
0.492
Predator-prey interactions
behavioural ecology
evolutionary ecology
human-induced environmental change
cognitive ecology
Christy A Morrissey
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,967
6,981
0.700
ecotoxicology
birds
pesticides
agroecosystems
rivers and wetlands
Yangdou Wei
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,651
3,834
0.397
Karen L Wiebe
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
2,095
0.319
woodpeckers
parental care
incubation
sex roles
snowy owl
David Janz
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,447
2,373
0.368
Ecotoxicology
Stress Physiology
Fish Biology
Timothy F Sharbel
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,023
2,282
0.379
Evolution
Genomics
Apomixis
Reproduction
Plants
Philip D Mcloughlin
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,957
2,499
0.420
population ecology
life history
evolution
caribou
Sable Island horses
Scot Leary
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,840
1,863
0.385
mitochondria
energy and metal ion homeostasis
signaling
human disease
Pat Krone
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,099
864
0.211
zebrafish
heat shock proteins
developmental biology
toxicology
synchrotron imaging
Helen Baulch
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,818
2,980
0.781
aquatic ecology
biogeochemistry
greenhouse gas emissions
climate change
winter limnology
Markus Brinkmann
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,726
2,768
0.743
Brian F Eames
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,680
1,678
0.456
skeletal development
evolution
regeneration
Ryan Brook
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,526
2,009
0.570
Wildlife ecology
Conservation Biology
Community Engagement
Cherie Westbrook
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,254
1,909
0.587
Ecohydrology
beaver
groundwater-surface water interactions
wetlands
John Wilmshurst
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,197
921
0.288
grassland ecology
landscape ecology
large mammal behaviour
conservation
Peter Robinson
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,612
534
0.204
textual scholarship
digital humanities
phylogenetics
Chaucer
Jonathan A Bennett
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,497
1,963
0.786
Community Ecology
Plant Ecology
Mycorrhizas
Plant-soil feedbacks
Cota Sánchez J Hugo
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,489
962
0.387
Plant systematics
Cactaceae
Reproductive biology
Vivipary
Pollination biology
Peta Bonham Smith
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,461
955
0.388
Daniel J Macphee
University of Saskatchewan
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,190
1,089
0.497
Reproductive Biology
Developmental Biology
Placenta
Uterine Function