Citation Rankings
Highly Cited Researchers

Natural Sciences / Biological Science Highly Cited Researchers 14 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the 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
United States
Brian Fath
ecological modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,486
5,738
0.425
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
AF Oconnell
conservation biology
mammalogy
biodiversity monitoring
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,670
1,953
0.418
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Matthew Hemm
Molecular Biology
Biochemistry
Small Proteins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,392
906
0.267
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
L Scott Johnson
Ornithology
Behavioural Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,053
716
0.235
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Michelle Dykstra Snyder
Cell Biology/Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,528
193
0.076
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Harald Beck
Tropical ecology
mammal plant interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,280
764
0.335
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Harald Beck Beck King
Mammal-plant Interactions
Tropical Ecology
Mammalogy
Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
722
0.329
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
John S Lapolla
Ants
Formicidae
Entomology
Systematics
Biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,906
776
0.407
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Elana Ehrlich
Virology
Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,735
277
0.160
* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Mark Bulmer
Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,681
414
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
David R Ownby
ecotoxicology
metals
environmental chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,499
365
0.243
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Christopher Oufiero
Evolutionary physiology
physiological ecology
functional morphology
comparative physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,189
472
0.397
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Alexandra M Towns
international development
research translation
ethnobotany
traditional knowledge systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
750
415
0.553
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Daniel S Caetano
Comparative methods
Phylogenies
Macroevolution
Software development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
749
489
0.653
* Total Citation Counts Rankings
Rankings
70,195
United States
29,191
2
Ranking Based On Selection: 1
Brian Fath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,486
5,738
0.425
* Total Citation Counts Rankings
Rankings
222,905
United States
78,637
11
Ranking Based On Selection: 2
AF Oconnell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,670
1,953
0.418
conservation biology
mammalogy
biodiversity monitoring
* Total Citation Counts Rankings
Rankings
296,659
United States
100,026
15
Ranking Based On Selection: 3
Matthew Hemm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,392
906
0.267
Molecular Biology
Biochemistry
Small Proteins
* Total Citation Counts Rankings
Rankings
323,925
United States
107,701
22
Ranking Based On Selection: 4
L Scott Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,053
716
0.235
* Total Citation Counts Rankings
Rankings
376,696
United States
122,362
24
Ranking Based On Selection: 5
Michelle Dykstra Snyder
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,528
193
0.076
* Total Citation Counts Rankings
Rankings
407,164
United States
130,627
29
Ranking Based On Selection: 6
Harald Beck
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,280
764
0.335
* Total Citation Counts Rankings
Rankings
418,593
United States
133,729
31
Ranking Based On Selection: 7
Harald Beck Beck King
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
722
0.329
Mammal-plant Interactions
Tropical Ecology
Mammalogy
Conservation
* Total Citation Counts Rankings
Rankings
463,401
United States
145,872
36
Ranking Based On Selection: 8
John S Lapolla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,906
776
0.407
Ants
Formicidae
Entomology
Systematics
Biodiversity
* Total Citation Counts Rankings
Rankings
494,367
United States
154,049
42
Ranking Based On Selection: 9
Elana Ehrlich
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,735
277
0.160
* Total Citation Counts Rankings
Rankings
504,957
United States
156,893
44
Ranking Based On Selection: 10
Mark Bulmer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,681
414
0.246
* Total Citation Counts Rankings
Rankings
543,707
United States
167,059
51
Ranking Based On Selection: 11
David R Ownby
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,499
365
0.243
ecotoxicology
metals
environmental chemistry
* Total Citation Counts Rankings
Rankings
624,680
United States
187,964
65
Ranking Based On Selection: 12
Christopher Oufiero
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,189
472
0.397
Evolutionary physiology
physiological ecology
functional morphology
comparative physiology
* Total Citation Counts Rankings
Rankings
788,545
United States
226,945
83
Ranking Based On Selection: 13
Alexandra M Towns
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
750
415
0.553
international development
research translation
ethnobotany
traditional knowledge systems
* Total Citation Counts Rankings
Rankings
788,934
United States
227,040
85
Ranking Based On Selection: 14
Daniel S Caetano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
749
489
0.653
Comparative methods
Phylogenies
Macroevolution
Software development
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