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
44,420
Country Rank
19,569
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![William M Reynolds](/user/assets/images/profile/no-profile-photo.png)
psychology depression suicidal ideation internalizing disorders assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,301
3,723
0.203
* Total Citation Counts Rankings
World Rank
86,039
Country Rank
35,141
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Terry W Henkel](https://cdn.adscientificindex.com/pictures/42/1387398.jpg)
mycology
tropical ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,971
6,853
0.625
* Total Citation Counts Rankings
World Rank
137,114
Country Rank
52,528
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Jeffrey Kane](https://cdn.adscientificindex.com/pictures/21/1331064.jpg)
fire ecology
fuels management
fire science
prescribed fire
forest ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,262
5,664
0.780
* Total Citation Counts Rankings
World Rank
141,333
Country Rank
53,920
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Jeffrey M Black](https://cdn.adscientificindex.com/pictures/e7/1356354.jpg)
behavior and ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,057
1,213
0.172
* Total Citation Counts Rankings
World Rank
170,181
Country Rank
63,102
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![David F Greene](/user/assets/images/profile/no-profile-photo.png)
Forest Disturbance Ecology
Plant Reproductive Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,894
1,753
0.297
* Total Citation Counts Rankings
World Rank
173,806
Country Rank
64,248
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Harvey Kelsey](https://cdn.adscientificindex.com/pictures/72/1356336.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,771
1,316
0.228
* Total Citation Counts Rankings
World Rank
182,517
Country Rank
66,915
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Stephen C Sillett](https://cdn.adscientificindex.com/pictures/86/1394971.jpg)
Botany
Tree Biology
Forest Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,491
1,996
0.364
* Total Citation Counts Rankings
World Rank
192,879
Country Rank
70,065
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Bret Harvey](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,183
1,263
0.244
* Total Citation Counts Rankings
World Rank
195,765
Country Rank
70,971
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Jordan Mayor](/pictures/76/1355968.jpg)
Biogeosciences
Ecosystem Ecology
Global Change
Mycology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,104
3,608
0.707
* Total Citation Counts Rankings
World Rank
196,338
Country Rank
71,147
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Mark Colwell](https://cdn.adscientificindex.com/pictures/16/1382936.jpg)
ornithology
shorebirds
waders
conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,090
1,331
0.261
* Total Citation Counts Rankings
World Rank
204,018
Country Rank
73,473
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![CD Hoyle](https://cdn.adscientificindex.com/pictures/03/1423650.jpg)
gravity
experimental physics
precision measurement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,893
1,353
0.277
* Total Citation Counts Rankings
World Rank
213,192
Country Rank
76,217
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Matthew D Johnson](https://cdn.adscientificindex.com/pictures/4c/1382927.jpg)
Conservation Biology
Habitat Ecology
Agroecology
Habitat Selection
Habitat Quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,675
1,977
0.423
* Total Citation Counts Rankings
World Rank
242,918
Country Rank
85,060
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Christopher Aberson](https://cdn.adscientificindex.com/pictures/b8/1356346.jpg)
Quantitative Psychology
Social Psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,060
1,730
0.426
* Total Citation Counts Rankings
World Rank
251,439
Country Rank
87,577
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Erik S Jules](https://cdn.adscientificindex.com/pictures/f8/1356350.jpg)
ecology
forest ecology
habitat fragmentation
disease ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,911
1,180
0.302
* Total Citation Counts Rankings
World Rank
287,870
Country Rank
98,137
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Amanda Hahn](/user/assets/images/profile/no-profile-photo.png)
Behavioral Endocrinology
Biological Anthropology
Social Neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,343
2,620
0.784
* Total Citation Counts Rankings
World Rank
289,521
Country Rank
98,602
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Brian N Tissot](https://cdn.adscientificindex.com/pictures/b0/1392950.jpg)
Conservation
fisheries
Coral reefs
deep-sea
kelp forests
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,321
846
0.255
* Total Citation Counts Rankings
World Rank
318,924
Country Rank
106,964
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Steven Hackett](/pictures/82/1328532.jpg)
Environmental economics
natural resource economics
clean energy economics
sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,960
624
0.211
* Total Citation Counts Rankings
World Rank
356,631
Country Rank
117,521
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Rosemary Sherriff](https://cdn.adscientificindex.com/pictures/26/1419638.jpg)
Biogeography
landscape ecology
forest ecology
disturbance ecology
dendrochronology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,576
1,496
0.581
* Total Citation Counts Rankings
World Rank
386,527
Country Rank
125,776
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Steven Martin](/user/assets/images/profile/no-profile-photo.png)
parks
outdoor recreation
wilderness
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,321
768
0.331
* Total Citation Counts Rankings
World Rank
413,386
Country Rank
133,109
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Barbara Clucas](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,119
1,047
0.494
* Total Citation Counts Rankings
World Rank
446,452
Country Rank
142,177
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Jim Graham](/user/assets/images/profile/no-profile-photo.png)
Biogeography
GIS
Web Mapping
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,907
940
0.493
* Total Citation Counts Rankings
World Rank
484,707
Country Rank
152,405
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Ho Yi Wan](https://cdn.adscientificindex.com/pictures/63/1356353.jpg)
Landscape Ecology
Movement Ecology
Habitat Ecology
Disturbance Ecology
Landscape Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,692
1,516
0.896
* Total Citation Counts Rankings
World Rank
498,567
Country Rank
156,157
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Matthew J Reilly](https://cdn.adscientificindex.com/pictures/f0/1356361.jpg)
disturbance
regional forest dynamics
structural development
fire ecology
understory vegetation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,624
1,234
0.760
* Total Citation Counts Rankings
World Rank
508,865
Country Rank
158,929
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Jason Jay R Patton](/pictures/d7/1360129.jpg)
Marine Geology
Paleoseismology
Paleotsunami
Sea Level
Geodesy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,575
920
0.584
* Total Citation Counts Rankings
World Rank
524,011
Country Rank
162,995
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/3548.png)
![United States](/flags/us.png)
![Michael Furniss](/pictures/14/1522830.jpg)
climate change
watershed management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,507
381
0.253
* Total Citation Counts Rankings
World Ranking
44,420
Country Ranking
19,569
Institution Ranking
1
William M Reynolds
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,301
3,723
0.203
![](https://cdn.adscientificindex.com/logos/3548.png)
psychology depression suicidal ideation internalizing disorders assessment
* Total Citation Counts Rankings
World Ranking
86,039
Country Ranking
35,141
Institution Ranking
2
Terry W Henkel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,971
6,853
0.625
* Total Citation Counts Rankings
World Ranking
137,114
Country Ranking
52,528
Institution Ranking
3
Jeffrey Kane
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,262
5,664
0.780
![](https://cdn.adscientificindex.com/logos/3548.png)
fire ecology
fuels management
fire science
prescribed fire
forest ecology
* Total Citation Counts Rankings
World Ranking
141,333
Country Ranking
53,920
Institution Ranking
4
Jeffrey M Black
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,057
1,213
0.172
* Total Citation Counts Rankings
World Ranking
170,181
Country Ranking
63,102
Institution Ranking
5
David F Greene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,894
1,753
0.297
![](https://cdn.adscientificindex.com/logos/3548.png)
Forest Disturbance Ecology
Plant Reproductive Ecology
* Total Citation Counts Rankings
World Ranking
173,806
Country Ranking
64,248
Institution Ranking
6
Harvey Kelsey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,771
1,316
0.228
* Total Citation Counts Rankings
World Ranking
182,517
Country Ranking
66,915
Institution Ranking
7
Stephen C Sillett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,491
1,996
0.364
![](https://cdn.adscientificindex.com/logos/3548.png)
Botany
Tree Biology
Forest Ecology
* Total Citation Counts Rankings
World Ranking
192,879
Country Ranking
70,065
Institution Ranking
8
Bret Harvey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,183
1,263
0.244
* Total Citation Counts Rankings
World Ranking
195,765
Country Ranking
70,971
Institution Ranking
9
Jordan Mayor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,104
3,608
0.707
![](https://cdn.adscientificindex.com/logos/3548.png)
Biogeosciences
Ecosystem Ecology
Global Change
Mycology
* Total Citation Counts Rankings
World Ranking
196,338
Country Ranking
71,147
Institution Ranking
10
Mark Colwell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,090
1,331
0.261
![](https://cdn.adscientificindex.com/logos/3548.png)
ornithology
shorebirds
waders
conservation
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* Total Citation Counts Rankings
World Ranking
204,018
Country Ranking
73,473
Institution Ranking
11
CD Hoyle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,893
1,353
0.277
![](https://cdn.adscientificindex.com/logos/3548.png)
gravity
experimental physics
precision measurement
* Total Citation Counts Rankings
World Ranking
213,192
Country Ranking
76,217
Institution Ranking
12
Matthew D Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,675
1,977
0.423
![](https://cdn.adscientificindex.com/logos/3548.png)
Conservation Biology
Habitat Ecology
Agroecology
Habitat Selection
Habitat Quality
* Total Citation Counts Rankings
World Ranking
242,918
Country Ranking
85,060
Institution Ranking
13
Christopher Aberson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,060
1,730
0.426
![](https://cdn.adscientificindex.com/logos/3548.png)
Quantitative Psychology
Social Psychology
* Total Citation Counts Rankings
World Ranking
251,439
Country Ranking
87,577
Institution Ranking
14
Erik S Jules
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,911
1,180
0.302
![](https://cdn.adscientificindex.com/logos/3548.png)
ecology
forest ecology
habitat fragmentation
disease ecology
* Total Citation Counts Rankings
World Ranking
287,870
Country Ranking
98,137
Institution Ranking
15
Amanda Hahn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,343
2,620
0.784
![](https://cdn.adscientificindex.com/logos/3548.png)
Behavioral Endocrinology
Biological Anthropology
Social Neuroscience
* Total Citation Counts Rankings
World Ranking
289,521
Country Ranking
98,602
Institution Ranking
16
Brian N Tissot
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,321
846
0.255
![](https://cdn.adscientificindex.com/logos/3548.png)
Conservation
fisheries
Coral reefs
deep-sea
kelp forests
* Total Citation Counts Rankings
World Ranking
318,924
Country Ranking
106,964
Institution Ranking
17
Steven Hackett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,960
624
0.211
![](https://cdn.adscientificindex.com/logos/3548.png)
Environmental economics
natural resource economics
clean energy economics
sustainability
* Total Citation Counts Rankings
World Ranking
356,631
Country Ranking
117,521
Institution Ranking
18
Rosemary Sherriff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,576
1,496
0.581
![](https://cdn.adscientificindex.com/logos/3548.png)
Biogeography
landscape ecology
forest ecology
disturbance ecology
dendrochronology
* Total Citation Counts Rankings
World Ranking
386,527
Country Ranking
125,776
Institution Ranking
19
Steven Martin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,321
768
0.331
![](https://cdn.adscientificindex.com/logos/3548.png)
parks
outdoor recreation
wilderness
* Total Citation Counts Rankings
World Ranking
413,386
Country Ranking
133,109
Institution Ranking
20
Barbara Clucas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,119
1,047
0.494
* Total Citation Counts Rankings
World Ranking
446,452
Country Ranking
142,177
Institution Ranking
21
Jim Graham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,907
940
0.493
* Total Citation Counts Rankings
World Ranking
484,707
Country Ranking
152,405
Institution Ranking
22
Ho Yi Wan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,692
1,516
0.896
![](https://cdn.adscientificindex.com/logos/3548.png)
Landscape Ecology
Movement Ecology
Habitat Ecology
Disturbance Ecology
Landscape Genetics
* Total Citation Counts Rankings
World Ranking
498,567
Country Ranking
156,157
Institution Ranking
23
Matthew J Reilly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,624
1,234
0.760
![](https://cdn.adscientificindex.com/logos/3548.png)
disturbance
regional forest dynamics
structural development
fire ecology
understory vegetation
* Total Citation Counts Rankings
World Ranking
508,865
Country Ranking
158,929
Institution Ranking
24
Jason Jay R Patton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,575
920
0.584
![](https://cdn.adscientificindex.com/logos/3548.png)
Marine Geology
Paleoseismology
Paleotsunami
Sea Level
Geodesy
* Total Citation Counts Rankings
World Ranking
524,011
Country Ranking
162,995
Institution Ranking
25
Michael Furniss
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,507
381
0.253
![](https://cdn.adscientificindex.com/logos/3548.png)
climate change
watershed management