J. L. Hamrick

14.0k total citations · 5 hit papers
51 papers, 10.3k citations indexed

About

J. L. Hamrick is a scholar working on Ecology, Evolution, Behavior and Systematics, Genetics and Plant Science. According to data from OpenAlex, J. L. Hamrick has authored 51 papers receiving a total of 10.3k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Ecology, Evolution, Behavior and Systematics, 21 papers in Genetics and 21 papers in Plant Science. Recurrent topics in J. L. Hamrick's work include Genetic diversity and population structure (20 papers), Plant and animal studies (19 papers) and Ecology and Vegetation Dynamics Studies (16 papers). J. L. Hamrick is often cited by papers focused on Genetic diversity and population structure (20 papers), Plant and animal studies (19 papers) and Ecology and Vegetation Dynamics Studies (16 papers). J. L. Hamrick collaborates with scholars based in United States, Canada and Egypt. J. L. Hamrick's co-authors include Mary Jo W. Godt, M. D. Loveless, Susan L. Sherman‐Broyles, Yan B. Linhart, J. B. Mitton, Darlyne A. Murawski, John D. Nason, Janet M. Lee, Kristina M. Hufford and Kathleen C. Parker and has published in prestigious journals such as Ecology, Philosophical Transactions of the Royal Society B Biological Sciences and Evolution.

In The Last Decade

J. L. Hamrick

51 papers receiving 9.3k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Allozyme diversity in plant species

1990 2.4k citations J. L. Hamrick, Mary Jo W. Godt profile →
Effects of life history traits on genetic diversity in plant species

1996 1.9k citations J. L. Hamrick, Mary Jo W. Godt Philosophical Transactions of the Royal Society B Biological Sciences profile →
Ecological Determinants of Genetic Structure in Plant Populations

1984 1.7k citations M. D. Loveless, J. L. Hamrick Annual Review of Ecology and Systematics profile →
Factors influencing levels of genetic diversity in woody plant species

1992 1.3k citations J. L. Hamrick, Mary Jo W. Godt et al. New Forests profile →
Relationships Between Life History Characteristics and Electrophoretically Detectable Genetic Variation in Plants

1979 715 citations J. L. Hamrick, Yan B. Linhart et al. Annual Review of Ecology and Systematics profile →

Peers

J. L. Hamrick

GENET

EEBS

NLC

J. L. Hamrick United States

Barbara A. Schaal United States

Brian C. Husband Canada

Mary Jo W. Godt United States

Christian Lexer Switzerland

Donald A. Levin United States

Yan B. Linhart United States

Peter M. Hollingsworth United Kingdom

Pablo Vargas Spain

Richard A. Ennos United Kingdom

J. L. Hamrick United States

J. L. Hamrick

5.0k ×0.9

GENET

6.0k ×1.1

EEBS

4.4k ×0.9

3.5k ×1.4

NLC

1.9k ×0.9

Citations per year, relative to J. L. Hamrick J. L. Hamrick (= 1×) peers J. L. Hamrick

Countries citing papers authored by J. L. Hamrick

Since Specialization

Citations

This map shows the geographic impact of J. L. Hamrick's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. L. Hamrick with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. L. Hamrick more than expected).

Fields of papers citing papers by J. L. Hamrick

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. L. Hamrick. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. L. Hamrick. The network helps show where J. L. Hamrick may publish in the future.

Co-authorship network of co-authors of J. L. Hamrick

This figure shows the co-authorship network connecting the top 25 collaborators of J. L. Hamrick. A scholar is included among the top collaborators of J. L. Hamrick based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. L. Hamrick. J. L. Hamrick is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Chang, Shu‐Mei, Eva Gonzales, Eleanor A. Pardini, & J. L. Hamrick. (2010). Encounters of old foes on a new battle ground for an invasive tree, Albizia julibrissin Durazz (Fabaceae). Biological Invasions. 13(4). 1043–1053. 17 indexed citations

Hamrick, J. L., et al.. (2006). Genetic Diversity Within and Among Sinai Populations of Three Ballota Species (Lamiaceae). Journal of Heredity. 97(1). 45–54. 19 indexed citations

Godt, Mary Jo W., J. L. Hamrick, & Albert J. Meier. (2004). Genetic Diversity in Cymophyllus fraserianus (Cyperaceae), a Rare Monotypic Genus. Genetica. 122(2). 207–215. 5 indexed citations

Hufford, Kristina M. & J. L. Hamrick. (2003). VIABILITY SELECTION AT THREE EARLY LIFE STAGES OF THE TROPICAL TREE, PLATYPODIUM ELEGANS (FABACEAE, PAPILIONOIDEAE). Evolution. 57(3). 518–526. 111 indexed citations

Parker, Kathleen C., J. L. Hamrick, Albert J. Parker, & John D. Nason. (2001). Fine-scale genetic structure in Pinus clausa (Pinaceae) populations: effects of disturbance history. Heredity. 87(1). 99–113. 87 indexed citations

Rüter, Björn, et al.. (2000). Brief communication. Outcrossing rates and relatedness estimates in pecan Carya illinoinensis) populations. Journal of Heredity. 91(1). 72–75. 10 indexed citations

Hamrick, J. L., et al.. (1998). Brief communication. Genetic variation and population genetic structure in Trifolium pratense. Journal of Heredity. 89(2). 178–181. 20 indexed citations

Fleming, Theodore H., Sandrine Maurice, & J. L. Hamrick. (1998). Geographic variation in the breeding system and the evolutionary stability of trioecy in Pachycereus pringlei (Cactaceae). Evolutionary Ecology. 12(3). 279–289. 52 indexed citations

Williams, Claire G. & J. L. Hamrick. (1996). Elite populations for conifer breeding and gene conservation. Canadian Journal of Forest Research. 26(3). 453–461. 29 indexed citations

10.

Hamrick, J. L. & Mary Jo W. Godt. (1996). Effects of life history traits on genetic diversity in plant species. Philosophical Transactions of the Royal Society B Biological Sciences. 351(1345). 1291–1298. 1897 indexed citations breakdown →

11.

Schnabel, Andrew, J. L. Hamrick, & Philip V. Wells. (1993). Influence of Quaternary history on the population genetic structure of Douglas-fir (Pseudotsugamenziesii) in the Great Basin. Canadian Journal of Forest Research. 23(9). 1900–1906. 8 indexed citations

12.

Hamrick, J. L., Mary Jo W. Godt, & Susan L. Sherman‐Broyles. (1992). Factors influencing levels of genetic diversity in woody plant species. New Forests. 6(1-4). 95–124. 1260 indexed citations breakdown →

13.

Chung, Myong Gi, et al.. (1991). Isozyme Variation Within and Among Populations of Hosta (Liliaceae) in Korea. Systematic Botany. 16(4). 667–667. 38 indexed citations

14.

Schnabel, Andrew, et al.. (1991). Comparative genetic structure of two co-occurring tree species, Maclura pomifera (Moraceae) and Gleditsia triacanthos (Leguminosae). Heredity. 67(3). 357–364. 62 indexed citations

15.

Arnold, Jonathan, et al.. (1990). Genetic relatedness in open-pollinated families of two leguminous tree species, Robinia pseudoacacia L. and Gleditsia triacanthos L.. Theoretical and Applied Genetics. 80(1). 49–56. 41 indexed citations

16.

Hamrick, J. L., et al.. (1989). Genetic Structure of Geographically Marginal Populations of Ponderosa Pine. American Journal of Botany. 76(11). 1559–1559. 12 indexed citations

17.

Hamrick, J. L. & Janet M. Lee. (1987). EFFECT OF SOIL SURFACE TOPOGRAPHY AND LITTER COVER ON THE GERMINATION, SURVIVAL, AND GROWTH OF MUSK THISTLE (CARDUUS NUTANS). American Journal of Botany. 74(3). 451–457. 125 indexed citations

18.

Loveless, M. D. & J. L. Hamrick. (1984). Ecological Determinants of Genetic Structure in Plant Populations. Annual Review of Ecology and Systematics. 15(1). 65–95. 1746 indexed citations breakdown →

19.

Hamrick, J. L., Yan B. Linhart, & J. B. Mitton. (1979). Relationships Between Life History Characteristics and Electrophoretically Detectable Genetic Variation in Plants. Annual Review of Ecology and Systematics. 10(1). 173–200. 715 indexed citations breakdown →

20.

Hamrick, J. L. & W. J. Libby. (1972). Variation and selection in western US montane species. I. White Fir.. Silvae genetica. 21. 29–35. 22 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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