Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
195,345
Country Rank
97
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Boyko B. Georgiev](https://cdn.adscientificindex.com/pictures/f5/4413263.jpg)
helminthology
parasitology
zoology
ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
24
0.358
* Total i10 Index Rankings
World Rank
211,643
Country Rank
10,503
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/26097.jpg)
![China](/flags/cn.png)
![Dashuan Tian](https://cdn.adscientificindex.com/pictures/ea/4972496.jpg)
Global change
biodiversity & ecosystem carbon and nitrogen cycle
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
61
0.984
* Total i10 Index Rankings
World Rank
235,276
Country Rank
131
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Tzvetan Zlatanov](https://cdn.adscientificindex.com/pictures/a0/4413225.jpg)
Forest stand dynamics
Forest management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
50
0.877
* Total i10 Index Rankings
World Rank
283,391
Country Rank
170
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Teodora B. Toshova](https://cdn.adscientificindex.com/pictures/eb/4413325.jpg)
Insect Chemical Ecology
Insect Behaviour
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
29
0.592
* Total i10 Index Rankings
World Rank
287,513
Country Rank
171
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Pavel Zehtindjiev](https://cdn.adscientificindex.com/pictures/83/4413229.jpg)
Evolution
Ecology
Bird migration
Blood parasites
Bird malaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
39
0.813
* Total i10 Index Rankings
World Rank
319,698
Country Rank
210
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Vasil Popov](https://cdn.adscientificindex.com/pictures/64/4413300.jpg)
mammalogy
paleontology
ecology
conservation biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
* Total i10 Index Rankings
World Rank
341,126
Country Rank
5,487
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/16696.jpg)
![Iran](/flags/ir.png)
![Adel Jalili](https://cdn.adscientificindex.com/pictures/b3/4476491.jpg)
Ecology
biodiversity
climate change and ecosystem function
sustainable devlipment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
30
0.732
* Total i10 Index Rankings
World Rank
392,381
Country Rank
272
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![S. Grozeva](https://cdn.adscientificindex.com/pictures/3e/4413351.jpg)
insect cytogenetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
13
0.361
* Total i10 Index Rankings
World Rank
523,294
Country Rank
429
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Boris Assyov](/user/assets/images/profile/no-profile-photo.png)
Fungal Taxonomy
Basidiomycetes
Boletales
Fungal Diversity
Conservation of Fungi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
* Total i10 Index Rankings
World Rank
540,884
Country Rank
454
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Gergana Vasileva](https://cdn.adscientificindex.com/pictures/61/4483031.jpg)
cestoda
tapeworms
helminthology
parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
12
0.480
* Total i10 Index Rankings
World Rank
582,522
Country Rank
508
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Dimitar Dimitrov](https://cdn.adscientificindex.com/pictures/ad/4413347.jpg)
avian malaria
haemosporida
avian ecology
evolution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
* Total i10 Index Rankings
World Rank
610,532
Country Rank
546
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Yasen Mutafchiev](https://cdn.adscientificindex.com/pictures/ff/4413394.jpg)
Parasitology
helminthology
nematodes
parasites
zoonosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 Index Rankings
World Rank
683,521
Country Rank
660
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Borislav Naumov](https://cdn.adscientificindex.com/pictures/45/4482501.jpg)
Herpetology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
* Total i10 Index Rankings
World Rank
734,138
Country Rank
729
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Desislava Sopotlieva](/user/assets/images/profile/no-profile-photo.png)
Phytosociology
Botany
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
* Total i10 Index Rankings
World Rank
827,754
Country Rank
879
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Yordan Koshev](https://cdn.adscientificindex.com/pictures/c1/4501867.jpg)
ecology
behaviour
conservation
small mammals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
* Total i10 Index Rankings
World Rank
854,554
Country Rank
911
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Karamfilov Ventzislav](https://cdn.adscientificindex.com/pictures/09/4413448.jpg)
Coastal ecosystems structure and functioning
Microbial Marine Ecology
Environmental Impact Assessment
Fate of polutants in ma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total i10 Index Rankings
World Rank
1,017,106
Country Rank
1,198
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/28325.jpg)
![Bulgaria](/flags/bg.png)
![Kremena Gocheva](/user/assets/images/profile/no-profile-photo.png)
Ecosystem services
Socio-ecological systems and ecosystem management
Ecological modelling
Natural capital accounting and cost
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
195,345
![Bulgaria](/flags/bg.png)
97
![](https://cdn.adscientificindex.com/logos/28325.jpg)
1
Boyko B. Georgiev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
24
0.358
![](https://cdn.adscientificindex.com/logos/28325.jpg)
helminthology
parasitology
zoology
ecology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
211,643
![China](/flags/cn.png)
10,503
![](https://cdn.adscientificindex.com/logos/26097.jpg)
39
Dashuan Tian
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
61
0.984
![](https://cdn.adscientificindex.com/logos/26097.jpg)
Global change
biodiversity & ecosystem carbon and nitrogen cycle
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
235,276
![Bulgaria](/flags/bg.png)
131
![](https://cdn.adscientificindex.com/logos/28325.jpg)
2
Tzvetan Zlatanov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
50
0.877
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Forest stand dynamics
Forest management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
283,391
![Bulgaria](/flags/bg.png)
170
![](https://cdn.adscientificindex.com/logos/28325.jpg)
3
Teodora B. Toshova
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
29
0.592
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Insect Chemical Ecology
Insect Behaviour
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
287,513
![Bulgaria](/flags/bg.png)
171
![](https://cdn.adscientificindex.com/logos/28325.jpg)
4
Pavel Zehtindjiev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
39
0.813
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Evolution
Ecology
Bird migration
Blood parasites
Bird malaria
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
319,698
![Bulgaria](/flags/bg.png)
210
![](https://cdn.adscientificindex.com/logos/28325.jpg)
5
Vasil Popov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
![](https://cdn.adscientificindex.com/logos/28325.jpg)
mammalogy
paleontology
ecology
conservation biology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
341,126
![Iran](/flags/ir.png)
5,487
![](https://cdn.adscientificindex.com/logos/16696.jpg)
12
Adel Jalili
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
30
0.732
![](https://cdn.adscientificindex.com/logos/16696.jpg)
Ecology
biodiversity
climate change and ecosystem function
sustainable devlipment
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
392,381
![Bulgaria](/flags/bg.png)
272
![](https://cdn.adscientificindex.com/logos/28325.jpg)
6
S. Grozeva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
13
0.361
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
523,294
![Bulgaria](/flags/bg.png)
429
![](https://cdn.adscientificindex.com/logos/28325.jpg)
7
Boris Assyov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
14
0.538
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Fungal Taxonomy
Basidiomycetes
Boletales
Fungal Diversity
Conservation of Fungi
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
540,884
![Bulgaria](/flags/bg.png)
454
![](https://cdn.adscientificindex.com/logos/28325.jpg)
8
Gergana Vasileva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
12
0.480
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
582,522
![Bulgaria](/flags/bg.png)
508
![](https://cdn.adscientificindex.com/logos/28325.jpg)
9
Dimitar Dimitrov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
![](https://cdn.adscientificindex.com/logos/28325.jpg)
avian malaria
haemosporida
avian ecology
evolution
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
610,532
![Bulgaria](/flags/bg.png)
546
![](https://cdn.adscientificindex.com/logos/28325.jpg)
10
Yasen Mutafchiev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
683,521
![Bulgaria](/flags/bg.png)
660
![](https://cdn.adscientificindex.com/logos/28325.jpg)
11
Borislav Naumov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
734,138
![Bulgaria](/flags/bg.png)
729
![](https://cdn.adscientificindex.com/logos/28325.jpg)
12
Desislava Sopotlieva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
827,754
![Bulgaria](/flags/bg.png)
879
![](https://cdn.adscientificindex.com/logos/28325.jpg)
13
Yordan Koshev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
![](https://cdn.adscientificindex.com/logos/28325.jpg)
ecology
behaviour
conservation
small mammals
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
854,554
![Bulgaria](/flags/bg.png)
911
![](https://cdn.adscientificindex.com/logos/28325.jpg)
14
Karamfilov Ventzislav
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Coastal ecosystems structure and functioning
Microbial Marine Ecology
Environmental Impact Assessment
Fate of polutants in ma
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,017,106
![Bulgaria](/flags/bg.png)
1,198
![](https://cdn.adscientificindex.com/logos/28325.jpg)
15
Kremena Gocheva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
![](https://cdn.adscientificindex.com/logos/28325.jpg)
Ecosystem services
Socio-ecological systems and ecosystem management
Ecological modelling
Natural capital accounting and cost