Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
1,236
Country Rank
1
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/4912.png)
![Saudi Arabia](/flags/sa.png)
![Carlos M Duarte](https://cdn.adscientificindex.com/pictures/b1/297225.jpg)
Marine Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157,439
82,161
0.522
* Total Citation Counts Rankings
World Rank
1,377
Country Rank
52
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![Canada](/flags/ca.png)
![Daniel Pauly](https://cdn.adscientificindex.com/pictures/85/641075.jpg)
Fisheries
marine ecosystems
conservation biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149,209
52,209
0.350
* Total Citation Counts Rankings
World Rank
4,785
Country Rank
2,296
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/11240.png)
![United States](/flags/us.png)
![Hans W Paerl](https://cdn.adscientificindex.com/pictures/16/1449045.jpg)
Aquatic microbial ecology
limnology
estuarine and coastal ecology and biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,992
33,303
0.433
* Total Citation Counts Rankings
World Rank
6,013
Country Rank
232
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/1225.jpg)
![Canada](/flags/ca.png)
![Steven J Cooke](https://cdn.adscientificindex.com/pictures/ae/605974.jpg)
Fisheries
Fish Ecology
Conservation Science
Conservation Physiology
Freshwater Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,041
40,443
0.603
* Total Citation Counts Rankings
World Rank
6,908
Country Rank
259
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![Canada](/flags/ca.png)
![Carl Walters](https://cdn.adscientificindex.com/pictures/f2/641335.jpg)
Fisheries
conservation
population dynamics
ecosystem modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,687
13,341
0.216
* Total Citation Counts Rankings
World Rank
7,777
Country Rank
297
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/11312.png)
![Australia](/flags/au.png)
![Peter J Mumby](https://cdn.adscientificindex.com/pictures/12/65446.jpg)
Coral reefs
marine ecology
marine conservation
fisheries
climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,140
28,274
0.495
* Total Citation Counts Rankings
World Rank
8,043
Country Rank
3,861
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/4631.png)
![United States](/flags/us.png)
![Peter Agre](https://cdn.adscientificindex.com/pictures/71/1393160.jpg)
Aquaporins
Malaria
Human Rights
Science Diplomacy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,013
8,814
0.157
* Total Citation Counts Rankings
World Rank
8,700
Country Rank
4,178
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/11551.png)
![United States](/flags/us.png)
![James R Karr](https://cdn.adscientificindex.com/pictures/4a/1684442.jpg)
fisheries
ornithology
ecology
conservation biology
water quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,478
8,886
0.166
* Total Citation Counts Rankings
World Rank
10,571
Country Rank
922
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/11411.jpg)
![United Kingdom](/flags/gb.png)
![Douglas R Tocher](https://cdn.adscientificindex.com/pictures/e2/1288434.jpg)
Fish nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,219
17,781
0.377
* Total Citation Counts Rankings
World Rank
13,277
Country Rank
515
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/8155.jpg)
![Canada](/flags/ca.png)
![Nicholas Dulvy](https://cdn.adscientificindex.com/pictures/7a/641546.jpg)
Conservation Biology
Marine Conservation
Fisheries
Extinction
Biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,957
20,773
0.507
* Total Citation Counts Rankings
World Rank
15,993
Country Rank
7,580
Institution Rank : 62
![](https://cdn.adscientificindex.com/logos/10889.jpg)
![United States](/flags/us.png)
![Peter B Moyle](/user/assets/images/profile/no-profile-photo.png)
fish
fisheries
conservation
aquatic ecosystems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,469
8,970
0.246
* Total Citation Counts Rankings
World Rank
16,389
Country Rank
651
Institution Rank : 76
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![Canada](/flags/ca.png)
![Tony J Pitcher](https://cdn.adscientificindex.com/pictures/0c/641554.jpg)
Fisheries
Fish behaviour
Ecosystems
Governance
Ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,898
9,276
0.258
* Total Citation Counts Rankings
World Rank
17,658
Country Rank
724
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/1840.jpg)
![Canada](/flags/ca.png)
![Heike K Lotze](https://cdn.adscientificindex.com/pictures/6b/642498.jpg)
marine ecology
historical ecology
coastal ecosystems
human impacts...
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,243
15,515
0.453
* Total Citation Counts Rankings
World Rank
18,443
Country Rank
158
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/3492.png)
![Hong Kong](/flags/hk.png)
![Pei Yuan Qian](https://cdn.adscientificindex.com/pictures/fa/409530.jpg)
Marine biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,248
13,421
0.404
* Total Citation Counts Rankings
World Rank
18,580
Country Rank
8,732
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/11074.jpg)
![United States](/flags/us.png)
![JM Scott](/user/assets/images/profile/no-profile-photo.png)
Conservation Biology
Wildlife Biology
Endangered Species
Hawaii
Conservation Reliant Species
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,075
7,997
0.242
* Total Citation Counts Rankings
World Rank
18,953
Country Rank
8,897
Institution Rank : 66
![](https://cdn.adscientificindex.com/logos/10898.jpg)
![United States](/flags/us.png)
![Hunter S Lenihan](https://cdn.adscientificindex.com/pictures/4a/1832387.jpg)
Applied Marine Ecology and Fisheries Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,651
11,752
0.360
* Total Citation Counts Rankings
World Rank
19,138
Country Rank
480
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/10820.jpg)
![Netherlands](/flags/nl.png)
![Jef Huisman](https://cdn.adscientificindex.com/pictures/d1/919774.jpg)
Aquatic Ecology
Biological Oceanography
Microbial Ecology
Theoretical Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,441
16,355
0.504
* Total Citation Counts Rankings
World Rank
19,844
Country Rank
19
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/11073.png)
![Iceland](/flags/is.png)
![Steven Campana](https://cdn.adscientificindex.com/pictures/1f/1846946.jpg)
fisheries
otolith
shark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,741
8,987
0.283
* Total Citation Counts Rankings
World Rank
20,471
Country Rank
832
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/1840.jpg)
![Canada](/flags/ca.png)
![Julie Laroche](/user/assets/images/profile/no-profile-photo.png)
Marine biogeochemistry and microbial genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,133
11,861
0.381
* Total Citation Counts Rankings
World Rank
21,006
Country Rank
901
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/4515.jpg)
![Australia](/flags/au.png)
![Colin Simpfendorfer](https://cdn.adscientificindex.com/pictures/b4/65533.jpg)
Sharks and rays
elasmobranch fisheries
acoustic telemetry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,612
17,362
0.567
* Total Citation Counts Rankings
World Rank
21,380
Country Rank
9,948
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/11074.jpg)
![United States](/flags/us.png)
![Ronald W Hardy](/user/assets/images/profile/no-profile-photo.png)
Fish Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,242
11,333
0.375
* Total Citation Counts Rankings
World Rank
21,641
Country Rank
880
Institution Rank : 102
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![Canada](/flags/ca.png)
![Curtis Suttle](https://cdn.adscientificindex.com/pictures/db/641610.jpg)
Marine Virology
Marine Microbiology
Microbial Diversity
Biological Oceanography
Virus Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,007
10,475
0.349
* Total Citation Counts Rankings
World Rank
22,032
Country Rank
744
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/26095.jpg)
![China](/flags/cn.png)
![Xianhu Zheng](/user/assets/images/profile/no-profile-photo.png)
molecular breeding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,694
17,688
0.596
* Total Citation Counts Rankings
World Rank
22,383
Country Rank
907
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/16243.png)
![Canada](/flags/ca.png)
![Eddy Carmack](/user/assets/images/profile/no-profile-photo.png)
oceanography
limnology
hydrology
climate
arctic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,414
9,155
0.311
* Total Citation Counts Rankings
World Rank
25,799
Country Rank
34
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/28736.png)
![Malaysia](/flags/my.png)
![Edward H Allison](https://cdn.adscientificindex.com/pictures/6c/4394837.jpg)
fisheries
aquaculture
food systems
blue economy
international development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,788
15,964
0.596
* Total Citation Counts Rankings
World Ranking
1,236
Country Ranking
1
Institution Ranking
1
Carlos M Duarte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157,439
82,161
0.522
* Total Citation Counts Rankings
World Ranking
1,377
Country Ranking
52
Institution Ranking
3
Daniel Pauly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149,209
52,209
0.350
![](https://cdn.adscientificindex.com/logos/10873.jpg)
Fisheries
marine ecosystems
conservation biology
* Total Citation Counts Rankings
World Ranking
4,785
Country Ranking
2,296
Institution Ranking
31
Hans W Paerl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,992
33,303
0.433
![](https://cdn.adscientificindex.com/logos/11240.png)
Aquatic microbial ecology
limnology
estuarine and coastal ecology and biogeochemistry
* Total Citation Counts Rankings
World Ranking
6,013
Country Ranking
232
Institution Ranking
7
Steven J Cooke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,041
40,443
0.603
![](https://cdn.adscientificindex.com/logos/1225.jpg)
Fisheries
Fish Ecology
Conservation Science
Conservation Physiology
Freshwater Ecology
* Total Citation Counts Rankings
World Ranking
6,908
Country Ranking
259
Institution Ranking
30
Carl Walters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,687
13,341
0.216
![](https://cdn.adscientificindex.com/logos/10873.jpg)
Fisheries
conservation
population dynamics
ecosystem modelling
* Total Citation Counts Rankings
World Ranking
7,777
Country Ranking
297
Institution Ranking
28
Peter J Mumby
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,140
28,274
0.495
![](https://cdn.adscientificindex.com/logos/11312.png)
Coral reefs
marine ecology
marine conservation
fisheries
climate change
* Total Citation Counts Rankings
World Ranking
8,043
Country Ranking
3,861
Institution Ranking
45
Peter Agre
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,013
8,814
0.157
![](https://cdn.adscientificindex.com/logos/4631.png)
Aquaporins
Malaria
Human Rights
Science Diplomacy
* Total Citation Counts Rankings
World Ranking
8,700
Country Ranking
4,178
Institution Ranking
38
James R Karr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,478
8,886
0.166
![](https://cdn.adscientificindex.com/logos/11551.png)
fisheries
ornithology
ecology
conservation biology
water quality
* Total Citation Counts Rankings
World Ranking
10,571
Country Ranking
922
Institution Ranking
1
Douglas R Tocher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,219
17,781
0.377
* Total Citation Counts Rankings
World Ranking
13,277
Country Ranking
515
Institution Ranking
8
Nicholas Dulvy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,957
20,773
0.507
![](https://cdn.adscientificindex.com/logos/8155.jpg)
Conservation Biology
Marine Conservation
Fisheries
Extinction
Biodiversity
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* Total Citation Counts Rankings
World Ranking
15,993
Country Ranking
7,580
Institution Ranking
62
Peter B Moyle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,469
8,970
0.246
![](https://cdn.adscientificindex.com/logos/10889.jpg)
fish
fisheries
conservation
aquatic ecosystems
* Total Citation Counts Rankings
World Ranking
16,389
Country Ranking
651
Institution Ranking
76
Tony J Pitcher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,898
9,276
0.258
![](https://cdn.adscientificindex.com/logos/10873.jpg)
Fisheries
Fish behaviour
Ecosystems
Governance
Ethics
* Total Citation Counts Rankings
World Ranking
17,658
Country Ranking
724
Institution Ranking
17
Heike K Lotze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,243
15,515
0.453
![](https://cdn.adscientificindex.com/logos/1840.jpg)
marine ecology
historical ecology
coastal ecosystems
human impacts...
* Total Citation Counts Rankings
World Ranking
18,443
Country Ranking
158
Institution Ranking
22
Pei Yuan Qian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,248
13,421
0.404
* Total Citation Counts Rankings
World Ranking
18,580
Country Ranking
8,732
Institution Ranking
4
JM Scott
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,075
7,997
0.242
![](https://cdn.adscientificindex.com/logos/11074.jpg)
Conservation Biology
Wildlife Biology
Endangered Species
Hawaii
Conservation Reliant Species
* Total Citation Counts Rankings
World Ranking
18,953
Country Ranking
8,897
Institution Ranking
66
Hunter S Lenihan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,651
11,752
0.360
![](https://cdn.adscientificindex.com/logos/10898.jpg)
Applied Marine Ecology and Fisheries Management
* Total Citation Counts Rankings
World Ranking
19,138
Country Ranking
480
Institution Ranking
41
Jef Huisman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,441
16,355
0.504
![](https://cdn.adscientificindex.com/logos/10820.jpg)
Aquatic Ecology
Biological Oceanography
Microbial Ecology
Theoretical Biology
* Total Citation Counts Rankings
World Ranking
19,844
Country Ranking
19
Institution Ranking
10
Steven Campana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,741
8,987
0.283
* Total Citation Counts Rankings
World Ranking
20,471
Country Ranking
832
Institution Ranking
21
Julie Laroche
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,133
11,861
0.381
![](https://cdn.adscientificindex.com/logos/1840.jpg)
Marine biogeochemistry and microbial genomics
* Total Citation Counts Rankings
World Ranking
21,006
Country Ranking
901
Institution Ranking
16
Colin Simpfendorfer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,612
17,362
0.567
![](https://cdn.adscientificindex.com/logos/4515.jpg)
Sharks and rays
elasmobranch fisheries
acoustic telemetry
* Total Citation Counts Rankings
World Ranking
21,380
Country Ranking
9,948
Institution Ranking
5
Ronald W Hardy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,242
11,333
0.375
* Total Citation Counts Rankings
World Ranking
21,641
Country Ranking
880
Institution Ranking
102
Curtis Suttle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,007
10,475
0.349
![](https://cdn.adscientificindex.com/logos/10873.jpg)
Marine Virology
Marine Microbiology
Microbial Diversity
Biological Oceanography
Virus Ecology
* Total Citation Counts Rankings
World Ranking
22,032
Country Ranking
744
Institution Ranking
1
Xianhu Zheng
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,694
17,688
0.596
* Total Citation Counts Rankings
World Ranking
22,383
Country Ranking
907
Institution Ranking
2
Eddy Carmack
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,414
9,155
0.311
![](https://cdn.adscientificindex.com/logos/16243.png)
oceanography
limnology
hydrology
climate
arctic
* Total Citation Counts Rankings
World Ranking
25,799
Country Ranking
34
Institution Ranking
1
Edward H Allison
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,788
15,964
0.596
![](https://cdn.adscientificindex.com/logos/28736.png)
fisheries
aquaculture
food systems
blue economy
international development