i10 Productivity
Rankings

Smithsonian Institution ScientistsEngineering & Technology / Marine Sciences and Engineering i10 Productivity Rankings 2025

Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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.

* Total i10 IndexRankings
Ranking Based On Selection :1
United States
Valerie J Paul
marine biology
chemical ecology
marine natural products
coral reefs
cyanobacteria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
318
248
0.780
* Total i10 IndexRankings
Ranking Based On Selection :2
United States
Greg Ruiz
Invasion Biology
Marine Ecology
Biogeography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
236
189
0.801
* Total i10 IndexRankings
Ranking Based On Selection :3
United States
Emmett Duffy
Marine Biology
Marine Ecology
Biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
132
0.781
* Total i10 IndexRankings
Ranking Based On Selection :4
United States
Nancy Knowlton
Coral Reefs
Biodiversity
Ocean Acidification
Alpheus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
129
0.822
* Total i10 IndexRankings
Ranking Based On Selection :5
United States
Gustavo Adolfo Castellanos-Galindo
Marine Ecology
Mangrove Ecology
Food Web Modelling
Fisheries Management & Conservation
Invasion Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
33
0.917
* Total i10 IndexRankings
Ranking Based On Selection :6
United States
Ximena Velez-Zuazo
Biodiversity Conservation
Molecular Ecology
Reef-to-Ridge
Sustainable Marine Infrastructure
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
22
0.786
* Total i10 IndexRankings
Ranking Based On Selection :7
United States
Andy Chang
Community Ecology
Marine Ecology
Conservation Biology
Biogeography
Invasion Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
* Total i10 IndexRankings
Ranking Based On Selection :8
United States
Brian Steves
Invasion Biology
Marine Ecology
Biogeography
Ecoinformatics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
* Total i10 IndexRankings
Ranking Based On Selection :9
United States
Michele Pierotti
sensory ecology
adaptation
speciation
marine ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 IndexRankings
Ranking Based On Selection :10
United States
Richard Barclay
CO2
Paleobotany
Paleoclimatology
Ocean Anoxic Events
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection :11
United States
Emma A Elliott Smith
Stable Isotopes
Compound-Specific Stable Isotope Analysis
Historical Ecology
Paleoecology
Marine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
United States
Herman H Wirshing
molecular systematics
phylogenetics
population genetics
marine ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
* Total i10 IndexRankings
Ranking Based On Selection :13
United States
Alexander Lowe
Environmental Policy
Coastal Ecosystems
Physiology
Community Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
* Total i10 IndexRankings
Ranking Based On Selection :14
United States
Christina Simkanin
Marine Ecology
Biological Invasions
Marine Plastic Debris
Invertebrate Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
14
0.933
* Total i10 IndexRankings
Ranking Based On Selection :15
United States
Jennifer Sneed
Marine Chemical Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection :16
United States
Stephanie L Bush
Invertebrates
Marine science
Pteropoda
Pelagic
Deep sea
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection :17
United States
Janina Seemann
Biodiversity
coral reef ecology
human impacts on coastal ecosystems
climate change
science communication
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection :18
United States
Félix Rodríguez-Mejía
Marine Biology
paleontology
malacology
Natural History
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 IndexRankings
Ranking Based On Selection :19
United States
Clare Fieseler,
Conservation Biology
Science Diplomacy
Marine Protected Areas
Co-Production
Stakeholder Engagement
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
United States
Natasha Gray Hitchcock
marine invertebrate ecology
invasive species
bryozoans
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection :22
United States
Paul F Johnston
Maritime archaeology
nautical archaeology
marine art
shipwrecks
motorcycle history
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :23
United States
Stephanie J Wilson
coastal ecosystems
carbon cycling
biogeochemistry
nitrogen cycling
subterranean estuaries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :24
United States
Hannah Morrissette
coastal wetlands
blue carbon
carbon flux
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
United States
Amanda Reynolds
ocean acidification
climate change
carbonate chemistry
estuaries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Valerie J Paul
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
318
248
0.780
marine biology
chemical ecology
marine natural products
coral reefs
cyanobacteria
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Greg Ruiz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
236
189
0.801
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Emmett Duffy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
132
0.781
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Nancy Knowlton
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
129
0.822
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Gustavo Adolfo Castellanos-Galindo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
33
0.917
Marine Ecology
Mangrove Ecology
Food Web Modelling
Fisheries Management & Conservation
Invasion Ecology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Ximena Velez-Zuazo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
22
0.786
Biodiversity Conservation
Molecular Ecology
Reef-to-Ridge
Sustainable Marine Infrastructure
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Andy Chang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
Community Ecology
Marine Ecology
Conservation Biology
Biogeography
Invasion Biology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Brian Steves
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
Invasion Biology
Marine Ecology
Biogeography
Ecoinformatics
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Michele Pierotti
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
Richard Barclay
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Emma A Elliott Smith
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
Stable Isotopes
Compound-Specific Stable Isotope Analysis
Historical Ecology
Paleoecology
Marine
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Herman H Wirshing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
molecular systematics
phylogenetics
population genetics
marine ecology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Alexander Lowe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
Environmental Policy
Coastal Ecosystems
Physiology
Community Ecology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
Christina Simkanin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
14
0.933
Marine Ecology
Biological Invasions
Marine Plastic Debris
Invertebrate Physiology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Jennifer Sneed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Stephanie L Bush
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Janina Seemann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Biodiversity
coral reef ecology
human impacts on coastal ecosystems
climate change
science communication
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Félix Rodríguez-Mejía
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Clare Fieseler,
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Conservation Biology
Science Diplomacy
Marine Protected Areas
Co-Production
Stakeholder Engagement
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Dean Janiak
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Natasha Gray Hitchcock
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Paul F Johnston
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Maritime archaeology
nautical archaeology
marine art
shipwrecks
motorcycle history
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Stephanie J Wilson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
coastal ecosystems
carbon cycling
biogeochemistry
nitrogen cycling
subterranean estuaries
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Hannah Morrissette
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Amanda Reynolds
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
ocean acidification
climate change
carbonate chemistry
estuaries