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
24,180
Country Rank
11,179
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![David Thau](/user/assets/images/profile/no-profile-photo.png)
Machine Learning
Artificial Intelligence
biodiversity
conservation
data integration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,026
22,684
0.809
* Total Citation Counts Rankings
World Rank
33,306
Country Rank
15,063
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Gvn Powell](/user/assets/images/profile/no-profile-photo.png)
Conservation Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,541
7,618
0.338
* Total Citation Counts Rankings
World Rank
41,968
Country Rank
18,590
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Colby Loucks](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,119
7,313
0.382
* Total Citation Counts Rankings
World Rank
45,619
Country Rank
19,998
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Robin Naidoo](https://cdn.adscientificindex.com/pictures/36/4978262.jpg)
Conservation science
environmental economics
ecosystem services
landscape ecology
wildlife ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,971
8,717
0.485
* Total Citation Counts Rankings
World Rank
56,015
Country Rank
24,067
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![John C. Morrison](https://cdn.adscientificindex.com/pictures/e5/4978263.jpg)
Conservation Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,440
6,569
0.425
* Total Citation Counts Rankings
World Rank
85,046
Country Rank
34,750
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Michele Thieme](https://cdn.adscientificindex.com/pictures/07/4978264.jpg)
Freshwater conservation
Conservation planning
Rivers
Freshwater fish biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,093
7,539
0.680
* Total Citation Counts Rankings
World Rank
166,076
Country Rank
61,719
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Jeffrey J. Opperman](https://cdn.adscientificindex.com/pictures/ee/4978266.jpg)
freshwater ecology
floodplains
sustainable hydropower
environmental flows
fisheries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,050
4,592
0.759
* Total Citation Counts Rankings
World Rank
180,904
Country Rank
66,351
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Derric Pennington](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,552
3,532
0.636
* Total Citation Counts Rankings
World Rank
246,960
Country Rank
86,172
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Harry D. Jonas](https://cdn.adscientificindex.com/pictures/60/4978268.jpg)
Rights and justice
protected and conserved areas
OECMs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,999
3,612
0.903
* Total Citation Counts Rankings
World Rank
253,918
Country Rank
88,183
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Gabby Ahmadia](https://cdn.adscientificindex.com/pictures/52/4978267.jpg)
Marine Ecology
Conservation Biology
Coral Reefs
Marine Protected Areas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,878
3,348
0.863
* Total Citation Counts Rankings
World Rank
480,589
Country Rank
151,228
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Dominic A Andradi-Brown](https://cdn.adscientificindex.com/pictures/e3/4978270.jpg)
marine conservation
marine protected areas
coral reefs
mangrove forests
invasive lionfish
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,513
0.880
* Total Citation Counts Rankings
World Rank
561,449
Country Rank
172,687
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Sybille Klenzendorf](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,354
404
0.298
* Total Citation Counts Rankings
World Rank
570,487
Country Rank
175,093
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Lida Teneva](https://cdn.adscientificindex.com/pictures/dd/4978271.jpg)
Coral reefs
ridge-to-reef management
sustainable fisheries
MPAs
ecosystem services
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,319
859
0.651
* Total Citation Counts Rankings
World Rank
581,590
Country Rank
177,919
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Abel Valdivia](https://cdn.adscientificindex.com/pictures/6a/4978272.jpg)
Marine Ecology
Coral Reefs
Fisheries
Area-Based Conservation
Monitoring & Evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,278
848
0.664
* Total Citation Counts Rankings
World Rank
630,971
Country Rank
190,703
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Naikoa Aguilar-Amuchastegui](https://cdn.adscientificindex.com/pictures/88/4978273.jpg)
Climate Change
Forests
Deforestation
Forest Degradation
Biomass mapping
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,112
668
0.601
* Total Citation Counts Rankings
World Rank
691,905
Country Rank
205,965
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Rachel E Golden Kroner](https://cdn.adscientificindex.com/pictures/f3/5500322.jpg)
Environmental Policy
Conservation Biology
Protected Areas
PADDD
Nature Positive
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
938
889
0.948
* Total Citation Counts Rankings
World Rank
743,358
Country Rank
218,359
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Arnaud Lyet](/user/assets/images/profile/no-profile-photo.png)
wildlife conservation
wildlife monitoring
adaptive management
environmental DNA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
813
640
0.787
* Total Citation Counts Rankings
World Rank
928,672
Country Rank
258,638
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![John Farrington](/user/assets/images/profile/no-profile-photo.png)
Various
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
228
0.496
* Total Citation Counts Rankings
World Rank
1,065,180
Country Rank
282,919
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Craig Beatty](https://cdn.adscientificindex.com/pictures/73/5491155.jpg)
Biodiversity
ecosystem services
ecology
forests
restoration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283
268
0.947
* Total Citation Counts Rankings
World Rank
1,331,769
Country Rank
322,581
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Dennis Jorgensen](https://cdn.adscientificindex.com/pictures/f7/5619263.jpg)
Animal Migration
Conservation Biology
Herpetology
Bison
Grassland Restoration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124
84
0.677
* Total Citation Counts Rankings
World Rank
1,673,390
Country Rank
372,667
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Daniel J Read](https://cdn.adscientificindex.com/pictures/98/5495045.jpg)
Working landscape conservation
environmental anthropology
political ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43
37
0.860
* Total Citation Counts Rankings
World Rank
1,704,369
Country Rank
376,778
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/26495.png)
![United States](/flags/us.png)
![Danielle Brigida](https://cdn.adscientificindex.com/pictures/36/5615668.jpg)
conservation biology
communications
social media
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
14
0.359
David Thau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,026
22,684
0.809
Machine Learning
Artificial Intelligence
biodiversity
conservation
data integration
Gvn Powell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,541
7,618
0.338
Colby Loucks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,119
7,313
0.382
Robin Naidoo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,971
8,717
0.485
Conservation science
environmental economics
ecosystem services
landscape ecology
wildlife ecology
John C. Morrison
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,440
6,569
0.425
Michele Thieme
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,093
7,539
0.680
Freshwater conservation
Conservation planning
Rivers
Freshwater fish biology
Jeffrey J. Opperman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,050
4,592
0.759
freshwater ecology
floodplains
sustainable hydropower
environmental flows
fisheries
Derric Pennington
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,552
3,532
0.636
Harry D. Jonas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,999
3,612
0.903
Rights and justice
protected and conserved areas
OECMs
Gabby Ahmadia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,878
3,348
0.863
Marine Ecology
Conservation Biology
Coral Reefs
Marine Protected Areas
Dominic A Andradi-Brown
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,513
0.880
marine conservation
marine protected areas
coral reefs
mangrove forests
invasive lionfish
Sybille Klenzendorf
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,354
404
0.298
Lida Teneva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,319
859
0.651
Coral reefs
ridge-to-reef management
sustainable fisheries
MPAs
ecosystem services
Abel Valdivia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,278
848
0.664
Marine Ecology
Coral Reefs
Fisheries
Area-Based Conservation
Monitoring & Evaluation
Naikoa Aguilar-Amuchastegui
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,112
668
0.601
Climate Change
Forests
Deforestation
Forest Degradation
Biomass mapping
Rachel E Golden Kroner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
938
889
0.948
Environmental Policy
Conservation Biology
Protected Areas
PADDD
Nature Positive
Arnaud Lyet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
813
640
0.787
wildlife conservation
wildlife monitoring
adaptive management
environmental DNA
John Farrington
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
228
0.496
Craig Beatty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283
268
0.947
Dennis Jorgensen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124
84
0.677
Animal Migration
Conservation Biology
Herpetology
Bison
Grassland Restoration
Daniel J Read
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43
37
0.860
Working landscape conservation
environmental anthropology
political ecology
Danielle Brigida
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
14
0.359
conservation biology
communications
social media