Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 72 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
agroforestry
ecology
biogeography
biodiversity
climate chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94,745
59,489
0.628
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
roots
agroforestry
ecosystem services
landscape
wate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,566
17,381
0.358
* Total Citation Counts Rankings
Ranking Based On Selection: 3
ethnoecology
fungi ecology
biodiversity conservation
landscape restoratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,444
26,507
0.583
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Agroforestry
Biofuel
Rice
agronom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,512
4,787
0.273
* Total Citation Counts Rankings
Ranking Based On Selection: 5
agriculture
agroecology
agroforestry
food security
ecosystem service
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,390
7,188
0.467
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Agroforestry
Restoration
Tree Conservation. Integrated Tree Seed Systems
Food Tree
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,357
6,222
0.548
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Extension
marketing
agroforestry
natural resources management
participatory researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,586
3,367
0.318
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Landscape ecology
Conservation biology
Biodiversity
Tropical forest ecology
Restoratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,377
5,514
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Soil
Agroforestry
Carbon Cycling
Land Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,567
5,681
0.663
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
SL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,768
3,575
0.460
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Agroforestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,724
4,904
0.635
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Agroforestry and Tree Domesticatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,416
2,303
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Economics
impact
property rights
agroforestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,553
1,299
0.198
* Total Citation Counts Rankings
Ranking Based On Selection: 14
tree germplasm
agroforestry systems
tree product marketing and extension
land health
climate chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,913
1,546
0.261
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Forests
natural resources management
REDD
agroforestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,661
1,322
0.234
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Ecology
Climate Change Adaptation
Agriculture
Food Securit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,458
3,640
0.667
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Capacity Development
Transdisciplinarity in research
Science Policy and Practice
Institutional reforms
Agroforestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,172
3,086
0.597
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Agroforestry
tree domestication
rural developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,117
2,705
0.529
* Total Citation Counts Rankings
Ranking Based On Selection: 19
landcare
watershed management
collective action
payments for envirmental services
agroforestry policy incentive
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,013
2,688
0.536
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Agroforestry
Rural Livelihoods
Landscape Ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,828
2,136
0.442
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Ecosystem services
green investment
sustainable financing
landscape governance
Asia Pacifi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,720
2,609
0.553
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Ecosystem-based adaptation
Sustainable forestry
Sustainable landscapes management
Climate action planning
Ecosystem hea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,091
2,851
0.697
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Bioenergy
Natural Resource Management (NRM)
Gende
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,914
1,802
0.618
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Agroforestry
food security & nutrition
climate chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,793
1,172
0.420
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Biodiversity
Agroforestry
Livelihood
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,699
1,486
0.551
* Total Citation Counts Rankings
Rankings
3,731
2
1
Ranking Based On Selection: 1
Kindt, Roeland
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94,745
59,489
0.628
agroforestry
ecology
biogeography
biodiversity
climate chang
* Total Citation Counts Rankings
Rankings
11,173
7
2
Ranking Based On Selection: 2
Meine Van Noordwijk|Noordwijk, Meine van, van Noordwijk, Meine
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,566
17,381
0.358
roots
agroforestry
ecosystem services
landscape
wate
* Total Citation Counts Rankings
Rankings
12,438
8
3
Ranking Based On Selection: 3
Jianchu Xu
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,444
26,507
0.583
ethnoecology
fungi ecology
biodiversity conservation
landscape restoratio
* Total Citation Counts Rankings
Rankings
51,648
13
4
Ranking Based On Selection: 4
Virendra Pal Singh
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,512
4,787
0.273
Agroforestry
Biofuel
Rice
agronom
* Total Citation Counts Rankings
Rankings
61,376
15
5
Ranking Based On Selection: 5
Fergus Sinclair
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,390
7,188
0.467
agriculture
agroecology
agroforestry
food security
ecosystem service
* Total Citation Counts Rankings
Rankings
89,744
22
6
Ranking Based On Selection: 6
Ramni H Jamnadass
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,357
6,222
0.548
Agroforestry
Restoration
Tree Conservation. Integrated Tree Seed Systems
Food Tree
* Total Citation Counts Rankings
Rankings
97,458
25
7
Ranking Based On Selection: 7
Steven Franzel
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,586
3,367
0.318
Extension
marketing
agroforestry
natural resources management
participatory researc
* Total Citation Counts Rankings
Rankings
99,723
26
8
Ranking Based On Selection: 8
Rhett D Harrison
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,377
5,514
0.531
Landscape ecology
Conservation biology
Biodiversity
Tropical forest ecology
Restoratio
* Total Citation Counts Rankings
Rankings
123,954
34
9
Ranking Based On Selection: 9
Leigh Winowiecki
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,567
5,681
0.663
Soil
Agroforestry
Carbon Cycling
Land Healt
* Total Citation Counts Rankings
Rankings
138,062
41
10
Ranking Based On Selection: 10
Ingrid Oborn
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,768
3,575
0.460
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Rankings
138,933
42
11
Ranking Based On Selection: 11
Suyanto
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,724
4,904
0.635
* Total Citation Counts Rankings
Rankings
145,103
47
12
Ranking Based On Selection: 12
Zac Tchoundjeu
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,416
2,303
0.311
Agroforestry and Tree Domesticatio
* Total Citation Counts Rankings
Rankings
165,051
58
13
Ranking Based On Selection: 13
Frank Place
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,553
1,299
0.198
Economics
impact
property rights
agroforestr
* Total Citation Counts Rankings
Rankings
183,212
65
14
Ranking Based On Selection: 14
Tony Simons
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,913
1,546
0.261
tree germplasm
agroforestry systems
tree product marketing and extension
land health
climate chang
* Total Citation Counts Rankings
Rankings
191,220
71
15
Ranking Based On Selection: 15
Ravi Prabhu
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,661
1,322
0.234
Forests
natural resources management
REDD
agroforestr
* Total Citation Counts Rankings
Rankings
198,160
74
16
Ranking Based On Selection: 16
Christine Lamanna
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,458
3,640
0.667
Ecology
Climate Change Adaptation
Agriculture
Food Securit
* Total Citation Counts Rankings
Rankings
208,774
78
17
Ranking Based On Selection: 17
Muhammad Mehmood Ul Hassan
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,172
3,086
0.597
Capacity Development
Transdisciplinarity in research
Science Policy and Practice
Institutional reforms
Agroforestr
* Total Citation Counts Rankings
Rankings
210,973
79
18
Ranking Based On Selection: 18
James M Roshetko
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,117
2,705
0.529
Agroforestry
tree domestication
rural developmen
* Total Citation Counts Rankings
Rankings
215,182
82
19
Ranking Based On Selection: 19
Delia C Catacutan
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,013
2,688
0.536
landcare
watershed management
collective action
payments for envirmental services
agroforestry policy incentive
* Total Citation Counts Rankings
Rankings
223,052
92
20
Ranking Based On Selection: 20
Sonya Dewi
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,828
2,136
0.442
Agroforestry
Rural Livelihoods
Landscape Ecolog
* Total Citation Counts Rankings
Rankings
227,842
96
21
Ranking Based On Selection: 21
Beria Leimona
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,720
2,609
0.553
Ecosystem services
green investment
sustainable financing
landscape governance
Asia Pacifi
* Total Citation Counts Rankings
Rankings
260,050
128
22
Ranking Based On Selection: 22
Lalisa Duguma
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,091
2,851
0.697
Ecosystem-based adaptation
Sustainable forestry
Sustainable landscapes management
Climate action planning
Ecosystem hea
* Total Citation Counts Rankings
Rankings
346,450
181
23
Ranking Based On Selection: 23
Mary Njenga
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,914
1,802
0.618
Bioenergy
Natural Resource Management (NRM)
Gende
* Total Citation Counts Rankings
Rankings
358,540
195
24
Ranking Based On Selection: 24
Betha Lusiana
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,793
1,172
0.420
Agroforestry
food security & nutrition
climate chang
* Total Citation Counts Rankings
Rankings
368,385
200
25
Ranking Based On Selection: 25
Anja Gassner
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,699
1,486
0.551
Biodiversity
Agroforestry
Livelihood