Stephen A. Karl

4.9k total citations · 1 hit paper
82 papers, 3.8k citations indexed

About

Stephen A. Karl is a scholar working on Ecology, Genetics and Nature and Landscape Conservation. According to data from OpenAlex, Stephen A. Karl has authored 82 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Ecology, 31 papers in Genetics and 30 papers in Nature and Landscape Conservation. Recurrent topics in Stephen A. Karl's work include Genetic diversity and population structure (28 papers), Coral and Marine Ecosystems Studies (24 papers) and Marine and coastal plant biology (17 papers). Stephen A. Karl is often cited by papers focused on Genetic diversity and population structure (28 papers), Coral and Marine Ecosystems Studies (24 papers) and Marine and coastal plant biology (17 papers). Stephen A. Karl collaborates with scholars based in United States, Indonesia and Brazil. Stephen A. Karl's co-authors include Brian W. Bowen, John C. Avise, Robert J. Toonen, J. Todd Streelman, Luiz A. Rocha, Andrey L. F. Castro, Kelvin D. Gorospe, Emily G. Severance, Mark W. Westneat and Michael E. Alfaro and has published in prestigious journals such as Science, Nature Biotechnology and PLoS ONE.

In The Last Decade

Stephen A. Karl

81 papers receiving 3.6k citations

Hit 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.

The origins of tropical marine biodiversity

2013 370 citations Brian W. Bowen, Luiz A. Rocha et al. Trends in Ecology & Evolution profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Stephen A. Karl United States	29	1.8k	1.8k	1.3k	1.3k	845	82	3.8k
Ciro Rico Spain	38	1.7k 1.0×	1.5k 0.8×	1.8k 1.4×	935 0.7×	910 1.1×	110	4.1k
Dirk Steinke Canada	38	2.5k 1.4×	1.2k 0.7×	872 0.7×	930 0.7×	2.7k 3.1×	106	4.7k
W. Stewart Grant United States	40	2.3k 1.3×	2.1k 1.2×	3.1k 2.4×	1.6k 1.3×	2.0k 2.3×	112	5.9k
Lorenz Hauser United States	33	1.5k 0.8×	1.7k 1.0×	2.5k 1.9×	1.3k 1.0×	1.3k 1.6×	106	4.3k
Cynthia Riginos Australia	33	2.5k 1.4×	928 0.5×	1.5k 1.1×	1.5k 1.2×	798 0.9×	102	4.4k
Paulo A. Prodöhl United Kingdom	30	1.7k 1.0×	1.7k 0.9×	2.1k 1.6×	742 0.6×	601 0.7×	107	4.3k
Marta Pascual Spain	40	2.0k 1.1×	1.1k 0.6×	1.8k 1.4×	1.7k 1.3×	1.0k 1.2×	137	4.7k
Andrew J. Bohonak United States	24	2.3k 1.3×	1.2k 0.7×	2.4k 1.9×	739 0.6×	751 0.9×	49	4.6k
John P. Wares United States	31	2.3k 1.3×	635 0.4×	1.5k 1.2×	1.2k 0.9×	760 0.9×	111	4.2k
Carol A. Stepien United States	34	1.9k 1.0×	1.8k 1.0×	1.4k 1.1×	701 0.5×	1.1k 1.3×	103	3.6k

Countries citing papers authored by Stephen A. Karl

Since Specialization

Citations

This map shows the geographic impact of Stephen A. Karl'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 Stephen A. Karl with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephen A. Karl more than expected).

Fields of papers citing papers by Stephen A. Karl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephen A. Karl. 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 Stephen A. Karl. The network helps show where Stephen A. Karl may publish in the future.

Co-authorship network of co-authors of Stephen A. Karl

This figure shows the co-authorship network connecting the top 25 collaborators of Stephen A. Karl. A scholar is included among the top collaborators of Stephen A. Karl 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 Stephen A. Karl. Stephen A. Karl is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Toonen, Robert J., et al.. (2016). Population genetic structure between Yap and Palau for the coralAcropora hyacinthus. PeerJ. 4. e2330–e2330. 15 indexed citations

Gorospe, Kelvin D. & Stephen A. Karl. (2015). Depth as an Organizing Force in Pocillopora damicornis: Intra-Reef Genetic Architecture. PLoS ONE. 10(3). e0122127–e0122127. 18 indexed citations

Robbins, Travis R., Kelvin D. Gorospe, Stephen A. Karl, et al.. (2013). Rise and Fall of a Hybrid Zone: Implications for the Roles of Aggression, Mate Choice, and Secondary Succession. Journal of Heredity. 105(2). 226–236. 16 indexed citations

Fernández-Silva, Iria, Jonathan Whitney, Benjamin J. Wainwright, et al.. (2013). Microsatellites for Next-Generation Ecologists: A Post-Sequencing Bioinformatics Pipeline. PLoS ONE. 8(2). e55990–e55990. 51 indexed citations

Bowen, Brian W., Luiz A. Rocha, Robert J. Toonen, & Stephen A. Karl. (2013). The origins of tropical marine biodiversity. Trends in Ecology & Evolution. 28(6). 359–366. 370 indexed citations breakdown →

Karl, Stephen A., Robert J. Toonen, W. Stewart Grant, & Brian W. Bowen. (2012). Common misconceptions in molecular ecology: echoes of the modern synthesis. Molecular Ecology. 21(17). 4171–4189. 120 indexed citations

Johnson, Shannon B., et al.. (2011). Genetic diversity and demographic instability in Riftia pachyptilatubeworms from eastern Pacific hydrothermal vents. BMC Evolutionary Biology. 11(1). 96–96. 34 indexed citations

Karl, Stephen A.. (2008). The effect of multiple paternity on the genetically effective size of a population. Molecular Ecology. 17(18). 3973–3977. 61 indexed citations

Castro, Andrey L. F., Brent S. Stewart, Scott G. Wilson, et al.. (2007). Population genetic structure of Earth's largest fish, the whale shark (Rhincodon typus). Molecular Ecology. 16(24). 5183–5192. 163 indexed citations

10.

Bowen, Brian W. & Stephen A. Karl. (2007). Population genetics and phylogeography of sea turtles. Molecular Ecology. 16(23). 4886–4907. 375 indexed citations

11.

McCoy, Earl D., et al.. (2006). Multiple Paternity and Breeding System in the Gopher Tortoise, Gopherus polyphemus. Journal of Heredity. 97(2). 150–157. 26 indexed citations

12.

Bass, Anna L. & Stephen A. Karl. (2006). Molecular phylogenetic analysis of genera in the family Plakobranchidae (Mollusca: Opisthobranchia: Sacoglossa). 69(1). 61–61. 11 indexed citations

13.

Schwartz, Tonia S., et al.. (2003). Microsatellite loci for the North American tortoises (genus Gopherus) and their applicability to other turtle species. Molecular Ecology Notes. 3(2). 283–286. 39 indexed citations

14.

Streelman, J. Todd, Michael E. Alfaro, Mark W. Westneat, David R. Bellwood, & Stephen A. Karl. (2002). EVOLUTIONARY HISTORY OF THE PARROTFISHES: BIOGEOGRAPHY, ECOMORPHOLOGY, AND COMPARATIVE DIVERSITY. Evolution. 56(5). 961–971. 214 indexed citations

15.

Garzón, Max, Nataša Jonoska, & Stephen A. Karl. (1999). The bounded complexity of DNA computing. Biosystems. 52(1-3). 63–72. 5 indexed citations

16.

Streelman, J. Todd, Rafael Zardoya, Alexander Meyer, & Stephen A. Karl. (1998). Multilocus Phylogeny of Chichlid Fishes (Pisces: Perciformes): Evolutionary Comparison of Microsatellite and Single-Copy Nuclear Loci. Molecular Biology and Evolution. 15(7). 798–808. 72 indexed citations

17.

Streelman, J. Todd & Stephen A. Karl. (1997). Paradigms and the rise (or fall?) of molecular biology. Nature Biotechnology. 15(8). 696–697. 5 indexed citations

18.

Hare, Matthew P., Stephen A. Karl, & John C. Avise. (1996). Anonymous nuclear DNA markers in the American oyster and their implications for the heterozygote deficiency phenomenon in marine bivalves. Molecular Biology and Evolution. 13(2). 334–345. 96 indexed citations

19.

Karl, Stephen A., Brian W. Bowen, & John C. Avise. (1995). Hybridization Among the Ancient Mariners: Characterization of Marine Turtle Hybrids With Molecular Genetic Assays. Journal of Heredity. 86(4). 262–268. 74 indexed citations

20.

Karl, Stephen A., Robert M. Zink, & Joseph R. Jehl. (1987). Allozyme Analysis of the California Gull (Larus californicus). The Auk. 104(4). 767–769. 10 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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