Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 95 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Soil organic carbon
Biogeochemical cycling
Global Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,413
10,835
0.660
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Agricultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,467
3,030
0.320
* Total Citation Counts Rankings
Ranking Based On Selection: 3
organic farming
agricultural polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,448
2,336
0.277
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Forest Ecology
Ecophysiology
Root Ecology
Adaptive Forest Management
Climate Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,071
3,845
0.544
* Total Citation Counts Rankings
Ranking Based On Selection: 5
marine spatial planning
risk assessment
marine conservation
fisherie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,052
3,815
0.541
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Stickstoff im Bode
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,516
3,881
0.596
* Total Citation Counts Rankings
Ranking Based On Selection: 7
fish biology and evolution
aquacultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,157
3,116
0.506
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Biometeorolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,621
3,533
0.765
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Tree genomics and transcriptomics
Bioinformatics
NGS data analysis
Sex determination in tree
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,306
1,611
0.374
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Environmental chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,062
1,861
0.458
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Evaluation of Rural Development Projects and Policie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,764
1,554
0.413
* Total Citation Counts Rankings
Ranking Based On Selection: 12
soil and forest hydrology
soil physics
land-use management
sustainable development
watershed managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,143
1,489
0.474
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
1,654
0.527
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,827
2,442
0.864
* Total Citation Counts Rankings
Ranking Based On Selection: 15
marine ecology
resource managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,749
1,752
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Fisheries Economics
Natural Resource Economics
Ecosystem Service
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,469
1,066
0.432
* Total Citation Counts Rankings
Ranking Based On Selection: 17
fisheries management
human behaviou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,450
570
0.233
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Fisheries Impact on Benthic Ecosystems
Marine Ecology
Spatial modeling
Ecology
Species Distribution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,445
1,260
0.515
* Total Citation Counts Rankings
Ranking Based On Selection: 19
sociology
social inequalities
rural poverty
social network analysis
qualitative and mixed method
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,399
1,209
0.504
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Agricultural Policy
Quantative Modellin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,388
1,427
0.598
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Organic Agriculture System Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,358
847
0.359
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,154
1,111
0.516
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,148
1,112
0.518
* Total Citation Counts Rankings
Ranking Based On Selection: 24
micrometeorology
scientific programming
precision farmin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,011
1,842
0.916
* Total Citation Counts Rankings
Ranking Based On Selection: 25
forest economics
environmental economics and polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,007
912
0.454
* Total Citation Counts Rankings
Rankings
56,937
2,493
1
Ranking Based On Selection: 1
Axel Don
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,413
10,835
0.660
Soil organic carbon
Biogeochemical cycling
Global Chang
* Total Citation Counts Rankings
Rankings
111,985
4,851
2
Ranking Based On Selection: 2
Susanne Padel
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,467
3,030
0.320
* Total Citation Counts Rankings
Rankings
127,191
5,446
3
Ranking Based On Selection: 3
Nicolas Lampkin
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,448
2,336
0.277
organic farming
agricultural polic
* Total Citation Counts Rankings
Rankings
154,188
6,521
4
Ranking Based On Selection: 4
Andreas Bolte
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,071
3,845
0.544
Forest Ecology
Ecophysiology
Root Ecology
Adaptive Forest Management
Climate Chang
* Total Citation Counts Rankings
Rankings
154,619
6,534
5
Ranking Based On Selection: 5
Vanessa Stelzenmüller
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,052
3,815
0.541
marine spatial planning
risk assessment
marine conservation
fisherie
* Total Citation Counts Rankings
Rankings
167,803
7,044
6
Ranking Based On Selection: 6
Reinhard Well
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,516
3,881
0.596
* Total Citation Counts Rankings
Rankings
177,754
7,426
7
Ranking Based On Selection: 7
Reinhold Hanel
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,157
3,116
0.506
fish biology and evolution
aquacultur
* Total Citation Counts Rankings
Rankings
234,721
9,438
8
Ranking Based On Selection: 8
Christian Brümmer
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,621
3,533
0.765
* Total Citation Counts Rankings
Rankings
250,564
10,000
9
Ranking Based On Selection: 9
Birgit Kersten
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,306
1,611
0.374
Tree genomics and transcriptomics
Bioinformatics
NGS data analysis
Sex determination in tree
* Total Citation Counts Rankings
Rankings
264,324
10,464
10
Ranking Based On Selection: 10
Ulrike Kammann
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,062
1,861
0.458
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* Total Citation Counts Rankings
Rankings
282,369
11,089
11
Ranking Based On Selection: 11
Stefan Schwarze
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,764
1,554
0.413
* Total Citation Counts Rankings
Rankings
328,990
12,625
12
Ranking Based On Selection: 12
Kai Schwärzel
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,143
1,489
0.474
soil and forest hydrology
soil physics
land-use management
sustainable development
watershed managemen
* Total Citation Counts Rankings
Rankings
329,612
12,649
13
Ranking Based On Selection: 13
Andreas Krause
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
1,654
0.527
* Total Citation Counts Rankings
Rankings
358,361
13,596
14
Ranking Based On Selection: 14
Tanja Sanders
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,827
2,442
0.864
* Total Citation Counts Rankings
Rankings
366,540
13,864
15
Ranking Based On Selection: 15
Marc Taylor
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,749
1,752
0.637
marine ecology
resource managemen
* Total Citation Counts Rankings
Rankings
398,270
14,904
16
Ranking Based On Selection: 16
Ralf Doering
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,469
1,066
0.432
Fisheries Economics
Natural Resource Economics
Ecosystem Service
* Total Citation Counts Rankings
Rankings
400,663
14,977
17
Ranking Based On Selection: 17
Sarah Bm Kraak
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,450
570
0.233
fisheries management
human behaviou
* Total Citation Counts Rankings
Rankings
401,220
14,997
18
Ranking Based On Selection: 18
Casper Kraan
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,445
1,260
0.515
Fisheries Impact on Benthic Ecosystems
Marine Ecology
Spatial modeling
Ecology
Species Distribution
* Total Citation Counts Rankings
Rankings
406,837
15,172
19
Ranking Based On Selection: 19
Andreas Klärner
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,399
1,209
0.504
sociology
social inequalities
rural poverty
social network analysis
qualitative and mixed method
* Total Citation Counts Rankings
Rankings
408,216
15,211
20
Ranking Based On Selection: 20
Alexander Gocht
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,388
1,427
0.598
Agricultural Policy
Quantative Modellin
* Total Citation Counts Rankings
Rankings
412,125
15,332
21
Ranking Based On Selection: 21
Gerold Rahmann
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,358
847
0.359
Organic Agriculture System Researc
* Total Citation Counts Rankings
Rankings
440,333
16,239
22
Ranking Based On Selection: 22
Wolf-Christian Lewin
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,154
1,111
0.516
* Total Citation Counts Rankings
Rankings
441,217
16,258
23
Ranking Based On Selection: 23
Malte Mader
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,148
1,112
0.518
* Total Citation Counts Rankings
Rankings
462,314
16,885
24
Ranking Based On Selection: 24
Frederik Schrader
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,011
1,842
0.916
micrometeorology
scientific programming
precision farmin
* Total Citation Counts Rankings
Rankings
463,020
16,913
25
Ranking Based On Selection: 25
Peter Elsasser
Thünen Institute
Braunschweig, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,007
912
0.454
forest economics
environmental economics and polic