i10 Productivity
Rankings
U.S. Geological Survey Scientists i10 Productivity Rankings 2025
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".
* Total i10 IndexRankings
Ranking Based On Selection :1
population ecology
conservation biology
wildlife management
biostatistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
381
214
0.562
* Total i10 IndexRankings
Ranking Based On Selection :2
coastal geology/ SLR impacts/ coastal restoration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
282
122
0.433
* Total i10 IndexRankings
Ranking Based On Selection :3
Theoretical ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
280
135
0.482
* Total i10 IndexRankings
Ranking Based On Selection :4
Energy Resources
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
278
170
0.612
* Total i10 IndexRankings
Ranking Based On Selection :5
population modeling
occupancy estimation
statistical computing
applied statistics
computational ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
232
130
0.560
* Total i10 IndexRankings
Ranking Based On Selection :6
Ecology
Parasitology
Conservation Biology
Marine Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
224
177
0.790
* Total i10 IndexRankings
Ranking Based On Selection :7
quantitative ecology
statistical ecology
capture-recapture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
223
182
0.816
* Total i10 IndexRankings
Ranking Based On Selection :8
Marine geology/geochemistry
oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
218
138
0.633
* Total i10 IndexRankings
Ranking Based On Selection :9
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
202
92
0.455
* Total i10 IndexRankings
Ranking Based On Selection :10
ecosystem ecology
statistical ecology
plant ecology
wetland ecology
structural equation modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
199
141
0.709
* Total i10 IndexRankings
Ranking Based On Selection :11
crustal structure
crustal composition
lithosphere
earthquakes
tsunamis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
106
0.552
* Total i10 IndexRankings
Ranking Based On Selection :12
geology
volcanology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
75
0.426
* Total i10 IndexRankings
Ranking Based On Selection :13
Quaternary paleoecology
ecology
hydroclimatology
phenology
arid lands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
123
0.724
* Total i10 IndexRankings
Ranking Based On Selection :14
U-series dating
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
78
0.462
* Total i10 IndexRankings
Ranking Based On Selection :15
marine ecology
seabird
forage fish
food web
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
82
0.488
* Total i10 IndexRankings
Ranking Based On Selection :16
Terrestrial ecosystem ecology
ecohydrology
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
156
142
0.910
* Total i10 IndexRankings
Ranking Based On Selection :17
Seismology
Earthquakes
Earthquake Engineering
Loss Modeling
Macroseismic intensity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
156
111
0.712
* Total i10 IndexRankings
Ranking Based On Selection :18
Contaminants
Exposure
Effects
Human
Environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
155
84
0.542
* Total i10 IndexRankings
Ranking Based On Selection :19
Wildlife Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
114
0.740
* Total i10 IndexRankings
Ranking Based On Selection :20
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
150
104
0.693
* Total i10 IndexRankings
Ranking Based On Selection :21
Aquatic Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
115
0.804
* Total i10 IndexRankings
Ranking Based On Selection :22
Organic Geochemistry
Analytical Chemistry
Environmental Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
91
0.655
* Total i10 IndexRankings
Ranking Based On Selection :23
Biogeochemistry
Ecosystem Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
128
0.955
* Total i10 IndexRankings
Ranking Based On Selection :24
Carbon cycle
GHG emissions
wildfire
vegetation mapping
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
106
0.791
* Total i10 IndexRankings
Ranking Based On Selection :25
carbon biogeochemistry
hydrology
carbon dioxide
methane
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
104
0.788
James Nichols
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
381
214
0.562
population ecology
conservation biology
wildlife management
biostatistics
S Jeffress Williams
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
282
122
0.433
coastal geology/ SLR impacts/ coastal restoration
Donald L Deangelis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
280
135
0.482
Tim Collett
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
278
170
0.612
James E Hines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
232
130
0.560
population modeling
occupancy estimation
statistical computing
applied statistics
computational ecology
Kevin Lafferty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
224
177
0.790
Ecology
Parasitology
Conservation Biology
Marine Biology
J Andrew Royle
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
223
182
0.816
quantitative ecology
statistical ecology
capture-recapture
James R Hein
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
218
138
0.633
Marine geology/geochemistry
oceanography
John Sauer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
202
92
0.455
James B Grace
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
199
141
0.709
ecosystem ecology
statistical ecology
plant ecology
wetland ecology
structural equation modeling
Walter D Mooney
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
106
0.552
crustal structure
crustal composition
lithosphere
earthquakes
tsunamis
James G Moore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
75
0.426
Julio L Betancourt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
123
0.724
Quaternary paleoecology
ecology
hydroclimatology
phenology
arid lands
James Bischoff
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
78
0.462
John F Piatt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
82
0.488
marine ecology
seabird
forage fish
food web
climate change
John Bradford
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
156
142
0.910
Terrestrial ecosystem ecology
ecohydrology
climate change
David J Wald
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
156
111
0.712
Seismology
Earthquakes
Earthquake Engineering
Loss Modeling
Macroseismic intensity
Pm Bradley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
155
84
0.542
Contaminants
Exposure
Effects
Human
Environment
Thierry Work
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
114
0.740
Robert Fisher
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
150
104
0.693
Jason Dunham
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
115
0.804
Edward T Furlong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
91
0.655
Organic Geochemistry
Analytical Chemistry
Environmental Chemistry
Sasha C Reed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
128
0.955
Biogeochemistry
Ecosystem Ecology
Zhiliang Zhu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
106
0.791
Robert Striegl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
104
0.788
carbon biogeochemistry
hydrology
carbon dioxide
methane