University, Subject, Country, Region, World

Karatina University 94 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of May 22, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.121.250) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 2
Duncan Kimuyu
Conservation Biolog
Metrics
H-Index
i10 Index
Citation Counts
16
27
2,382
* Total H IndexRankings
Ranking Based On Selection: 5
Michael Ni Lokuruka
Fish/Food processing and quality assurance
Food processing & nutrient conservation
Food an
Metrics
H-Index
i10 Index
Citation Counts
13
15
644
* Total H IndexRankings
Ranking Based On Selection: 7
Agnes W. Kihurani
Crop Protection
Crop Production
Root & Tuber Crop
Metrics
H-Index
i10 Index
Citation Counts
11
13
421
* Total H IndexRankings
Ranking Based On Selection: 8
Anne Kariuki
Employee empowerment
socila capital
organizational citizenship
Green Human Resource managemen
Metrics
H-Index
i10 Index
Citation Counts
11
11
299
* Total H IndexRankings
Ranking Based On Selection: 9
Jeremiah Kebwaro
Nuclear Science and Technolog
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,339
* Total H IndexRankings
Ranking Based On Selection: 10
Hellen Wangechi Kamiri
Agriculture
Forestry and Environment
Soil - land use interaction
Metrics
H-Index
i10 Index
Citation Counts
10
10
483

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 H IndexRankings
Ranking Based On Selection: 11
Beatrice Ombaka
strategic management
Researc
Metrics
H-Index
i10 Index
Citation Counts
9
8
197
* Total H IndexRankings
Ranking Based On Selection: 12
Julius Chege Karugu
Conservation Biolog
Metrics
H-Index
i10 Index
Citation Counts
9
4
217
* Total H IndexRankings
Ranking Based On Selection: 13
Peter K. Musyimi
Climatology
meteorology
hydro-climatology
Geography
Climate chang
Metrics
H-Index
i10 Index
Citation Counts
8
5
214
* Total H IndexRankings
Ranking Based On Selection: 14
Moses Gatambuki
Cognitive Linguistics
multilingual education
phonology
sociolinguistics and synta
Metrics
H-Index
i10 Index
Citation Counts
8
7
216
* Total H IndexRankings
Ranking Based On Selection: 15
Teresia Kyalo
Entrepreneurship
human resource development and strategic managemen
Metrics
H-Index
i10 Index
Citation Counts
8
7
196
* Total H IndexRankings
Ranking Based On Selection: 16
Kellen Kiambati
Management
governance
higher education management
public administratio
Metrics
H-Index
i10 Index
Citation Counts
8
5
167
* Total H IndexRankings
Ranking Based On Selection: 17
Josphat Kagema
Curriculum Theory
Trends in Teacher Educatio
Metrics
H-Index
i10 Index
Citation Counts
7
6
242
* Total H IndexRankings
Ranking Based On Selection: 18
Ezekiel Mbitha Mwenzwa
Human Ecolog
Metrics
H-Index
i10 Index
Citation Counts
7
5
278
* Total H IndexRankings
Ranking Based On Selection: 20
Grace Nyambura Muriithi
Waste beneficiation
CO2 adsorption
Brine mineralization
Fabrication of CO2 sorbents from wast
Metrics
H-Index
i10 Index
Citation Counts
6
5
455
* Total H IndexRankings
Ranking Based On Selection: 21
Rael Birithia
Crop Protection
Food securit
Metrics
H-Index
i10 Index
Citation Counts
6
5
139
* Total H IndexRankings
Ranking Based On Selection: 22
Geoffrey Wambugu
Biodiversity
Conservation
Spatial Ecology
Climate Change
Environmental Plannin
Metrics
H-Index
i10 Index
Citation Counts
6
4
264
* Total H IndexRankings
Ranking Based On Selection: 23
Sheila Kilonzi
gut microbiome
diabetes
food systems
legume
Metrics
H-Index
i10 Index
Citation Counts
6
4
227
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Charles Ngugi
          Metrics
H-Index
i10-Index
Citation Counts
25
40
2,101
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Duncan Kimuyu
          Metrics
H-Index
i10-Index
Citation Counts
16
27
2,382
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Mwangi James Kinyanjui
          Metrics
H-Index
i10-Index
Citation Counts
15
23
1,427
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Linus Gitonga
          Metrics
H-Index
i10-Index
Citation Counts
15
17
891
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Michael Ni Lokuruka
          Metrics
H-Index
i10-Index
Citation Counts
13
15
644
Fish/Food processing and quality assurance
Food processing & nutrient conservation
Food an
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
David Sujee Makhanu
          Metrics
H-Index
i10-Index
Citation Counts
11
12
441
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Agnes W. Kihurani
          Metrics
H-Index
i10-Index
Citation Counts
11
13
421
Crop Protection
Crop Production
Root & Tuber Crop
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Anne Kariuki
          Metrics
H-Index
i10-Index
Citation Counts
11
11
299
Employee empowerment
socila capital
organizational citizenship
Green Human Resource managemen
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Jeremiah Kebwaro
          Metrics
H-Index
i10-Index
Citation Counts
10
10
1,339
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Hellen Wangechi Kamiri
          Metrics
H-Index
i10-Index
Citation Counts
10
10
483
Agriculture
Forestry and Environment
Soil - land use interaction

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 H Index Rankings
Rankings
Ranking Based On Selection: 11
Beatrice Ombaka
          Metrics
H-Index
i10-Index
Citation Counts
9
8
197
strategic management
Researc
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Julius Chege Karugu
          Metrics
H-Index
i10-Index
Citation Counts
9
4
217
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Peter K. Musyimi
          Metrics
H-Index
i10-Index
Citation Counts
8
5
214
Climatology
meteorology
hydro-climatology
Geography
Climate chang
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Moses Gatambuki
          Metrics
H-Index
i10-Index
Citation Counts
8
7
216
Cognitive Linguistics
multilingual education
phonology
sociolinguistics and synta
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Teresia Kyalo
          Metrics
H-Index
i10-Index
Citation Counts
8
7
196
Entrepreneurship
human resource development and strategic managemen
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Kellen Kiambati
          Metrics
H-Index
i10-Index
Citation Counts
8
5
167
Management
governance
higher education management
public administratio
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Josphat Kagema
          Metrics
H-Index
i10-Index
Citation Counts
7
6
242
Curriculum Theory
Trends in Teacher Educatio
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Ezekiel Mbitha Mwenzwa
          Metrics
H-Index
i10-Index
Citation Counts
7
5
278
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Kenneth Wanjau
          Metrics
H-Index
i10-Index
Citation Counts
6
6
139
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Grace Nyambura Muriithi
          Metrics
H-Index
i10-Index
Citation Counts
6
5
455
Waste beneficiation
CO2 adsorption
Brine mineralization
Fabrication of CO2 sorbents from wast
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Rael Birithia
          Metrics
H-Index
i10-Index
Citation Counts
6
5
139
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Geoffrey Wambugu
          Metrics
H-Index
i10-Index
Citation Counts
6
4
264
Biodiversity
Conservation
Spatial Ecology
Climate Change
Environmental Plannin
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Sheila Kilonzi
          Metrics
H-Index
i10-Index
Citation Counts
6
4
227
gut microbiome
diabetes
food systems
legume
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Dezzline Ondigo
          Metrics
H-Index
i10-Index
Citation Counts
6
4
175
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Kiai Richard|Richard Muthii Kiai
          Metrics
H-Index
i10-Index
Citation Counts
6
4
117