R. Jack Schultz

3.6k total citations · 1 hit paper
66 papers, 2.5k citations indexed

About

R. Jack Schultz is a scholar working on Genetics, Nature and Landscape Conservation and Aquatic Science. According to data from OpenAlex, R. Jack Schultz has authored 66 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Genetics, 18 papers in Nature and Landscape Conservation and 15 papers in Aquatic Science. Recurrent topics in R. Jack Schultz's work include Genetic diversity and population structure (15 papers), Fish Ecology and Management Studies (14 papers) and Reproductive biology and impacts on aquatic species (13 papers). R. Jack Schultz is often cited by papers focused on Genetic diversity and population structure (15 papers), Fish Ecology and Management Studies (14 papers) and Reproductive biology and impacts on aquatic species (13 papers). R. Jack Schultz collaborates with scholars based in United States, Germany and Hungary. R. Jack Schultz's co-authors include Robert A. Angus, Robert C. Vrijenhoek, Mary E. Schultz, Arthur J. Bulger, Kathryn Goddard, Robert Rush Miller, Lawrence E. Hightower, Robert M. Dawley, Klaus D. Kallman and Carol J. Haaksma and has published in prestigious journals such as Nature, Science and Journal of Bone and Joint Surgery.

In The Last Decade

R. Jack Schultz

63 papers receiving 2.2k citations

Hit Papers

Hybridization, Unisexuality, and Polyploidy in the Teleos... 1969 2026 1988 2007 1969 100 200 300
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.

  1. Hybridization, Unisexuality, and Polyploidy in the Teleost Poeciliopsis (Poeciliidae) and Other Vertebrates
    1969 379 citations R. Jack Schultz profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R. Jack Schultz United States 29 1.4k 739 616 462 368 66 2.5k
J. A. Beardmore United Kingdom 38 1.9k 1.4× 626 0.8× 432 0.7× 1.5k 3.2× 759 2.1× 117 3.9k
Edward Pfeiler Mexico 23 589 0.4× 561 0.8× 405 0.7× 629 1.4× 538 1.5× 100 1.9k
Roger W. Doyle Canada 31 992 0.7× 910 1.2× 385 0.6× 641 1.4× 870 2.4× 73 2.5k
Bernie May United States 34 1.8k 1.3× 1.6k 2.2× 360 0.6× 1.0k 2.3× 645 1.8× 118 3.5k
Donald C. Morizot United States 23 1.2k 0.9× 594 0.8× 202 0.3× 340 0.7× 396 1.1× 68 2.1k
James P. Bogart Canada 35 2.1k 1.5× 583 0.8× 1.1k 1.8× 520 1.1× 109 0.3× 114 3.7k
Graham A.E. Gall United States 34 1.6k 1.2× 1.5k 2.0× 190 0.3× 639 1.4× 1.4k 3.8× 101 3.1k
Michael H. Smith United States 37 1.6k 1.2× 881 1.2× 718 1.2× 1.7k 3.8× 231 0.6× 138 3.5k
James B. Shaklee United States 22 1.4k 1.0× 1.1k 1.5× 138 0.2× 838 1.8× 784 2.1× 30 2.8k
Paloma Morán Spain 36 1.8k 1.3× 1.4k 1.8× 324 0.5× 1.5k 3.1× 518 1.4× 156 4.2k

Countries citing papers authored by R. Jack Schultz

Since Specialization
Citations

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

Fields of papers citing papers by R. Jack Schultz

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. Jack Schultz. 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 R. Jack Schultz. The network helps show where R. Jack Schultz may publish in the future.

Co-authorship network of co-authors of R. Jack Schultz

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

All Works

20 of 20 papers shown
1.
Nouhaud, Pierre, Bernhard Seifert, Pekka Punttila, et al.. (2023). Semipermeable species boundaries create opportunities for gene flow and adaptive potential. Molecular Ecology. 32(15). 4329–4347. 6 indexed citations
2.
Schultz, R. Jack, et al.. (2007). A Critical Checklist of the Ants of Mongolia (Hymenoptera: Formicidae). 55. 1–8. 6 indexed citations
3.
Holsinger, Kent E., et al.. (1996). Quantitative evidence that both Hsc70 and Hsp70 contribute to thermal adaptation in hybrids of the livebearing fishes Poeciliopsis. Cell Stress and Chaperones. 1(2). 139–139. 44 indexed citations
4.
Hightower, Lawrence E., et al.. (1994). Variation in heat-shock proteins among species of desert fishes (Poeciliidae, Poeciliopsis).. Molecular Biology and Evolution. 11(1). 106–19. 56 indexed citations
5.
Schultz, Mary E., et al.. (1991). Nitrosodiethylamine metabolism in the viviparous fish Poeciliopsis: evidence for the existence of liver P450pj activity and expression. Carcinogenesis. 12(4). 647–652. 21 indexed citations
6.
Morizot, Donald C., R. Jack Schultz, & R. Spencer Wells. (1990). Assignment of six enzyme loci to multipoint linkage groups in Fishes of the genusPoeciliopsis (Poeciliidae): Designation of linkage groups III?V. Biochemical Genetics. 28(1-2). 83–95. 9 indexed citations
7.
Schultz, Mary E., et al.. (1989). Initiation of cell proliferation in livers of the viviparous fish poeciliopsis lucida with 7,12-dimethylbenz[a]anthracene. Environmental Research. 48(2). 248–254. 7 indexed citations
8.
Schultz, Mary E. & R. Jack Schultz. (1988). Differences in response to a chemical carcinogen within species and clones of the livebearing fish, Poeciliopsis. Carcinogenesis. 9(6). 1029–1032. 26 indexed citations
9.
Schultz, R. Jack, et al.. (1987). Uptake, toxicity, and distribution of benzo[a]pyrene and monooxygenase induction in the topminnows Poeciliopsis monacha and Poeciliopsis lucida.. Drug Metabolism and Disposition. 15(4). 449–455. 37 indexed citations
10.
Dawley, Robert M., R. Jack Schultz, & Kathryn Goddard. (1987). Clonal Reproduction and Polyploidy in Unisexual Hybrids of Phoxinus eos and Phoxinus neogaeus (Pisces; Cyprinidae). Copeia. 1987(2). 275–275. 58 indexed citations
11.
Schultz, R. Jack, et al.. (1986). GENETIC AND ENVIRONMENTAL BASIS OF VARIABLE SEX RATIOS IN LABORATORY STRAINS OF POECILIOPSIS LUCIDA. Evolution. 40(1). 152–158. 49 indexed citations
12.
Schultz, R. Jack, et al.. (1986). Genetic and Environmental Basis of Variable Sex Ratios in Laboratory Strains of Poeciliopsis lucida. Evolution. 40(1). 152–152. 21 indexed citations
13.
Bulger, Arthur J. & R. Jack Schultz. (1982). ORIGIN OF THERMAL ADAPTATIONS IN NORTHERN VERSUS SOUTHERN POPULATIONS OF A UNISEXUAL HYBRID FISH. Evolution. 36(5). 1041–1050. 29 indexed citations
14.
Schultz, R. Jack. (1980). Role of Polyploidy in the Evolution of Fishes. PubMed. 13. 313–340. 99 indexed citations
15.
Bulger, Arthur J. & R. Jack Schultz. (1979). Heterosis and Interclonal Variation in Thermal Tolerance in Unisexual Fishes. Evolution. 33(3). 848–848. 15 indexed citations
16.
Schultz, R. Jack, et al.. (1978). Reproductive Adaptations Among Viviparous Fishes (Cyprinodontiformes: Poeciliidae). Evolution. 32(2). 320–320. 78 indexed citations
17.
Moore, William S., Robert Rush Miller, & R. Jack Schultz. (1970). DISTRIBUTION, ADAPTATION AND PROBABLE ORIGIN OF AN ALL‐FEMALE FORM OF POECILIOPSIS (PISCES: POECILIIDAE) IN NORTHWESTERN MEXICO. Evolution. 24(4). 789–795. 28 indexed citations
18.
Schultz, R. Jack. (1967). Gynogenesis and Triploidy in the Viviparous Fish Poeciliopsis. Science. 157(3796). 1564–1567. 83 indexed citations
19.
Schultz, R. Jack. (1966). HYBRIDIZATION EXPERIMENTS WITH AN ALL-FEMALE FISH OF THE GENUS POECILIOPSIS. Biological Bulletin. 130(3). 415–429. 46 indexed citations
20.
Schultz, R. Jack. (1963). Stubby, a Hereditary Vertebral Deformity in the Viviparous Fish Poeciliopsis prolifica. Copeia. 1963(2). 325–325. 17 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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