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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
Marine Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
60
0.619
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
marine natural products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
43
0.467
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
Marine Biology and Coastal Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
39
0.765
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
Marine Biology
Conservation Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
31
0.585
Mark Gibbons
University of the Western Cape
Bellville, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
60
0.619
Michael Davies-Coleman
University of the Western Cape
Bellville, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
43
0.467
Albertus Smit
University of the Western Cape
Bellville, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
39
0.765
Marine Biology and Coastal Oceanography
Gavin W. Maneveldt
University of the Western Cape
Bellville, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
31
0.585
Marine Biology
Conservation Biology