2026 Gerald R. Smith: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	42	7311	7027	2606	2426	87	8606

Overview

Gerald R. Smith is affiliated with the University of Michigan-Ann Arbor in the United States. Their research primarily focuses on the Agricultural and Biological Sciences, with 49 publications in this field. Within this broad domain, their work spans several subfields, including Plant Science, Agronomy and Crop Science, Ecology, Evolution, Behavior and Systematics, Soil Science, and Global and Planetary Change.

The scientist's recent papers emphasize topics such as climate change impacts on agriculture, agronomic practices and intercropping systems, agricultural pest management studies, legume nitrogen-fixing symbiosis, soil carbon and nitrogen dynamics, crop yield and soil fertility, and bioenergy crop production and management.

Species identification and morphological trait diversity assessment in ryegrass (Lolium spp.) populations from the Texas Blackland Prairies (2021, Weed Science)
Assessing Cowpea-Wheat Double Cropping Strategies in the Southern United States Using the DSSAT Crop Model (2022, Agricultural Sciences)
Exploring the Potential of Cowpea-Wheat Double Cropping in the Semi-Arid Region of the Southern United States Using the DSSAT Crop Model (2023, Agricultural Sciences)
Cowpeas as a summer cover crop for forage rye (2020, Agrosystems Geosciences & Environment)
Impact on Soil Organic C and Total Soil N from Cool- and Warm-Season Legumes Used in a Green Manure-Forage Cropping System (2024, Agricultural Sciences)

Gerald R. Smith has collaborated frequently with several co-authors over multiple publications. These include F. M. Rouquette (19 collaborations), Prem Woli (9 collaborations), Charles R. Long (9 collaborations), Clark Neely (4 collaborations), and Cristine L.S. Morgan (3 collaborations).

The scientist has published in a range of venues, most commonly in Agricultural Sciences (9 publications), followed by the Journal of Plant Registrations (3 publications), Journal of Animal Science (2 publications), Weed Science, and Agrosystems Geosciences & Environment.

In addition to journal articles, Smith has contributed to book publications, with a notable title published by the University of Michigan-Ann Arbor: LATE MIOCENE FISHES OF THE CACHE VALLEY MEMBER, SALT LAKE FORMATION, UTAH AND IDAHO (2020).

Best Publications

Morphometrics in Evolutionary Biology.

R. A. Reyment;F. L. Bookstein;B. Chernoff;R. L. Elder

801
Citations
MULTIVARIATE DISCRIMINATION BY SHAPE IN RELATION TO SIZE

J. M. Humphries;F. L. Bookstein;B. Chernoff;G. R. Smith

748
Citations
Establishment of gobiidae in the great lakes basin

David J. Jude;Robert H. Reider;Gerald R. Smith

587
Citations
So Many Fishes, So Little Time: An Overview of Recent Ichthyological Discovery in Continental Waters

John G. Lundberg;Maurice Kottelat;Gerald R. Smith;Melanie L. J. Stiassny

397
Citations
Introgression in fishes : significance for paleontology, cladistics, and evolutionary rates

Gerald R. Smith

323
Citations
Continental Paleothermometry and Seasonality Using the Isotopic Composition of Aragonitic Otoliths of Freshwater Fishes

William P. Patterson;Gerald R. Smith;Kyger C. Lohmann

320
Citations
Origin and Geography of the Fish Fauna of the Laurentian Great Lakes Basin

Reeve M. Bailey;Gerald R. Smith

310
Citations
Fishes of the Great Lakes Region, Revised Edition

Carl Hubbs;Karl Lagler;Gerald Smith

289
Citations
Tetraploid Origin of the Karyotype of Catostomid Fishes

Teruya Uyeno;G. R. Smith

247
Citations
Late Cenozoic Freshwater Fishes of North America

Gerald R. Smith

242
Citations
Phylogeny of the Pacific Trouts and Salmons (Oncorhynchus) and Genera of the Family Salmonidae

R. F. Stearley;G. R. Smith

242
Citations
MULTIVARIATE ANALYSIS OF HYBRID FISHES

Nancy A. Neff;Gerald R. Smith

200
Citations
Distribution and evolution of the North American catostomid fishes of the subgenus Pantosteus, genus Catostomus.

G. R. Smith

194
Citations
The Classification and Scientific Names of Rainbow and Cutthroat Trouts

Gerald R. Smith;Ralph F. Stearley

182
Citations
Freshwater Fishes of Northwestern Canada and Alaska. Bulletin 173. Fisheries Research Board of Canada.J. D. McPhail , C. C. Lindsey

Unknown

181
Citations
REPRODUCTIVE ISOLATION AND INTROGRESSION BETWEEN NOTROPIS CORNUTUS AND NOTROPIS CHRYSOCEPHALUS (FAMILY CYPRINIDAE): COMPARISON OF MORPHOLOGY, ALLOZYMES, AND MITOCHONDRIAL DNA

Thomas E. Dowling;Gerald R. Smith;Wesley M. Brown

178
Citations
FISH TAPHONOMY AND ENVIRONMENTAL INFERENCE IN PALEOLIMNOLOGY

R. L. Elder;R. L. Elder;Gerald R. Smith;Gerald R. Smith

174
Citations
Evolutionary Relationships of the Plagopterins (Teleostei: Cyprinidae) from Cytochrome b Sequences

Thomas E. Dowling;C. Alana Tibbets;W. L. Minckley;Gerald R. Smith

171
Citations
Zebra Mussel Predation by Round Gobies in the Laboratory

Michael J. Ghedotti;Joseph C. Smihula;Gerald R. Smith

159
Citations
Sr isotopic composition of hydroxyapatite from recent and fossil salmon : the record of lifetime migration and diagenesis

Paul L. Koch;Alex N. Halliday;Lynn M. Walter;Ralph F. Stearley

157
Citations
Evolution of species flocks of fishes in north temperate lakes

G.R. Smith;Thomas N. Todd

125
Citations
Early Pleistocene pre-glacial and glacial rocks and faunas of north-central Nebraska. Bulletin of the AMNH ; v. 148, article 1

Morris F. Skinner;Hibbard, Claude William, .;Edwin D. Gutentag;G. R. Smith

121
Citations
Morphometrics in Evolutionary Biology

James D. Felley;F. L. Bookstein;B. Chernoff;R. L. Elder

9
Citations

Frequent Co-Authors

Thomas E. Dowling Wayne State University

Bruce H. Wilkinson University of Michigan–Ann Arbor

Kyger C. Lohmann University of Michigan–Ann Arbor

William P. Patterson University of Saskatchewan

Wesley M. Brown University of Michigan–Ann Arbor

Richard K. Koehn University of Utah

James P. Hurley University of Wisconsin–Madison

Peter J. Unmack University of Canberra

Derek C. G. Muir Environment and Climate Change Canada

Maurice Kottelat National University of Singapore

External Links

Personal website of Gerald R. Smith

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