Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, 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)
![Bruce Hungate](https://cdn.adscientificindex.com/pictures/96/841380.jpg)
soil microbial ecology
biogeochemistry
stable isotopes
ecosystem science
global change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,852
17,813
0.526
![Michelle Cailin Mack](https://cdn.adscientificindex.com/pictures/6b/859207.jpg)
Plant and ecosystem ecology
biogeochemistry
Arctic change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,104
14,436
0.496
![Enqing Hou](https://cdn.adscientificindex.com/pictures/81/859279.jpg)
Biogeochemistry
Ecosystem ecology
Soil science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,156
4,874
0.945
* Last 6 Years Citation Counts Rankings
![Daniel R Schlaepfer](https://cdn.adscientificindex.com/pictures/cb/860389.jpg)
plant ecology
climate change
ecohydrology
invasive species
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,499
2,311
0.660
* Last 6 Years Citation Counts Rankings
![Liza Holeski](https://cdn.adscientificindex.com/pictures/77/859276.jpg)
Plant-herbivore interactions
plant adaptation
evolutionary genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,762
1,031
0.585
* Last 6 Years Citation Counts Rankings
![Tina Ayers](/user/assets/images/profile/no-profile-photo.png)
Plant Systematics
Biogeography
Endemism on the Colorado Plateau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
955
203
0.213
* Last 6 Years Citation Counts Rankings
![Ehren Reid Von Moler](https://cdn.adscientificindex.com/pictures/2a/5626263.jpg)
plant regeneration
seedling development
plant ecophysiology
genecology
seed ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93
92
0.989
* Last 6 Years Citation Counts Rankings
![Miguel A Pérez-Pérez](https://cdn.adscientificindex.com/pictures/ed/5303779.jpg)
Plant systematics
Evolution
Genomics
Bioinformatics & Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
260
75
0.288
* Last 6 Years Citation Counts Rankings
![Emma Reich](https://cdn.adscientificindex.com/pictures/a5/5629867.jpg)
plant-water interactions
plant ecophysiology
Bayesian models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
* Last 6 Years Citation Counts Rankings
![Erika R Laplante](/user/assets/images/profile/no-profile-photo.png)
plant defenses
mutualisms
genetics
evolution of novel traits
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
71
59
0.831
* Last 6 Years Citation Counts Rankings
![Audrey Harvey](/user/assets/images/profile/no-profile-photo.png)
plant community ecology
invasion biology
restoration ecology
integrated weed management
native plants development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Bruce Hungate
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,852
17,813
0.526
soil microbial ecology
biogeochemistry
stable isotopes
ecosystem science
global change
Michelle Cailin Mack
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,104
14,436
0.496
Plant and ecosystem ecology
biogeochemistry
Arctic change
Enqing Hou
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,156
4,874
0.945
Biogeochemistry
Ecosystem ecology
Soil science
Daniel R Schlaepfer
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,499
2,311
0.660
plant ecology
climate change
ecohydrology
invasive species
Liza Holeski
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,762
1,031
0.585
Plant-herbivore interactions
plant adaptation
evolutionary genetics
Tina Ayers
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
955
203
0.213
Plant Systematics
Biogeography
Endemism on the Colorado Plateau
Ehren Reid Von Moler
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93
92
0.989
plant regeneration
seedling development
plant ecophysiology
genecology
seed ecology
Miguel A Pérez-Pérez
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
260
75
0.288
Plant systematics
Evolution
Genomics
Bioinformatics & Conservation
Emma Reich
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
plant-water interactions
plant ecophysiology
Bayesian models
Erika R Laplante
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
71
59
0.831
plant defenses
mutualisms
genetics
evolution of novel traits
Audrey Harvey
Northern Arizona University
Flagstaff, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
plant community ecology
invasion biology
restoration ecology
integrated weed management
native plants development