Ann K. Sakai

8.3k total citations · 1 hit paper
91 papers, 6.5k citations indexed

About

Ann K. Sakai is a scholar working on Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation and Plant Science. According to data from OpenAlex, Ann K. Sakai has authored 91 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Ecology, Evolution, Behavior and Systematics, 36 papers in Nature and Landscape Conservation and 34 papers in Plant Science. Recurrent topics in Ann K. Sakai's work include Plant and animal studies (57 papers), Ecology and Vegetation Dynamics Studies (34 papers) and Plant Diversity and Evolution (22 papers). Ann K. Sakai is often cited by papers focused on Plant and animal studies (57 papers), Ecology and Vegetation Dynamics Studies (34 papers) and Plant Diversity and Evolution (22 papers). Ann K. Sakai collaborates with scholars based in United States, Mexico and Denmark. Ann K. Sakai's co-authors include Stephen G. Weller, Warren L. Wagner, Robert J. Cabin, Fred W. Allendorf, Jane Molofsky, Norman C. Ellstrand, David E. McCauley, Kimberly A. With, Jodie S. Holt and David M. Lodge and has published in prestigious journals such as PLoS ONE, Trends in Ecology & Evolution and Ecology.

In The Last Decade

Ann K. Sakai

90 papers receiving 6.1k citations

Hit Papers

The Population Biology of Invasive Species 2001 2026 2009 2017 2001 1000 2.0k 3.0k
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. The Population Biology of Invasive Species
    2001 3.0k citations Ann K. Sakai, Stephen G. Weller et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ann K. Sakai United States 33 3.7k 2.7k 2.2k 1.9k 1.3k 91 6.5k
Stephen G. Weller United States 35 3.9k 1.0× 2.7k 1.0× 2.4k 1.1× 1.8k 1.0× 1.3k 1.0× 114 6.7k
Marc T. J. Johnson Canada 43 3.6k 1.0× 2.4k 0.9× 2.8k 1.3× 2.1k 1.1× 1.8k 1.3× 111 7.7k
Monica A. Geber United States 34 4.6k 1.2× 3.5k 1.3× 2.7k 1.2× 1.2k 0.6× 1.8k 1.4× 79 7.0k
Peter H. van Tienderen Netherlands 38 2.7k 0.7× 1.6k 0.6× 2.3k 1.0× 1.9k 1.0× 2.7k 2.0× 78 6.8k
Jane Molofsky United States 25 2.3k 0.6× 2.8k 1.1× 1.7k 0.8× 2.6k 1.3× 1.3k 0.9× 55 6.2k
Susan Kalisz United States 47 5.8k 1.6× 3.9k 1.5× 4.0k 1.8× 1.6k 0.8× 2.2k 1.6× 99 8.7k
Walter Durka Germany 42 3.0k 0.8× 2.7k 1.0× 2.0k 0.9× 1.5k 0.8× 1.6k 1.2× 172 6.0k
Isabelle Olivieri France 47 3.0k 0.8× 1.6k 0.6× 1.9k 0.8× 1.4k 0.7× 3.1k 2.3× 113 6.4k
Richard A. Ennos United Kingdom 37 2.9k 0.8× 1.7k 0.6× 2.4k 1.1× 1.4k 0.7× 3.3k 2.5× 140 6.6k
John D. Nason United States 36 3.5k 0.9× 1.9k 0.7× 2.5k 1.1× 1.2k 0.6× 3.3k 2.5× 84 6.4k

Countries citing papers authored by Ann K. Sakai

Since Specialization
Citations

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

Fields of papers citing papers by Ann K. Sakai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ann K. Sakai. 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 Ann K. Sakai. The network helps show where Ann K. Sakai may publish in the future.

Co-authorship network of co-authors of Ann K. Sakai

This figure shows the co-authorship network connecting the top 25 collaborators of Ann K. Sakai. A scholar is included among the top collaborators of Ann K. Sakai 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 Ann K. Sakai. Ann K. Sakai 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.
2.
Powers, John M., Ann K. Sakai, Stephen G. Weller, & Diane R. Campbell. (2022). Variation in floral volatiles across time, sexes, and populations of wind‐pollinated Schiedea globosa. American Journal of Botany. 109(2). 345–360. 5 indexed citations
3.
Mazer, Susan J., et al.. (2022). What determines the evolutionary trajectories of wild plant species? Approaches to the study of quantitative fitness‐related traits. American Journal of Botany. 109(11). 1673–1682. 2 indexed citations
4.
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Redelings, Benjamin D., Andrey Tatarenkov, Liuyang Wang, et al.. (2015). A Bayesian Approach to Inferring Rates of Selfing and Locus-Specific Mutation. Genetics. 201(3). 1171–1188. 11 indexed citations
6.
Weller, Stephen G., et al.. (2014). Remnants of populations provide effective source material for reintroduction of an endangered Hawaiian plant, Schiedea kaalae (Caryophyllaceae). American Journal of Botany. 101(11). 1954–1962. 12 indexed citations
7.
Weller, Stephen G., Katharine N. Suding, & Ann K. Sakai. (2013). Botany and a changing world: Introduction to the Special Issue on Global Biological Change. American Journal of Botany. 100(7). 1229–1233. 7 indexed citations
8.
Weber, Jennifer J., et al.. (2013). Breeding System Evolution in Oxalis alpina: Asymmetrical Expression of Tristylous Incompatibility. International Journal of Plant Sciences. 174(2). 179–188. 6 indexed citations
9.
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Weller, Stephen G., et al.. (2007). Sexually dimorphic inflorescence traits in a wind‐pollinated species: heritabilities and genetic correlations in Schiedea adamantis (Caryophyllaceae). American Journal of Botany. 94(10). 1716–1725. 9 indexed citations
11.
Wagner, Warren L., Stephen G. Weller, & Ann K. Sakai. (2005). Monograph of Schiedea (Caryophyllaceae-Alsinoideae). 40 indexed citations
12.
Weller, Stephen G., et al.. (2005). Genetic diversity does not affect the invasiveness of fountain grass (Pennisetum setaceum) in Arizona, California and Hawaii. Diversity and Distributions. 11(3). 241–247. 88 indexed citations
13.
Culley, Theresa M., et al.. (2005). Genetic variation of ecophysiological traits in two gynodioecious species of Schiedea (Caryophyllaceae). New Phytologist. 169(3). 589–601. 29 indexed citations
14.
Weller, Stephen G., et al.. (2002). MATING SYSTEM INSTABILITY IN SCHIEDEA MENZIESII (CARYOPHYLLACEAE). Evolution. 56(8). 1574–1574. 3 indexed citations
15.
Weller, Stephen G., et al.. (1998). Dioecy and the evolution of pollination systems in Schiedea and Alsinidendron (Caryophyllaceae: Alsinoideae) in the Hawaiian Islands. American Journal of Botany. 85(10). 1377–1388. 70 indexed citations
16.
Sakai, Ann K., Warren L. Wagner, Diane Ferguson, & Derral R. Herbst. (1995). Origins of Dioecy in the Hawaiian Flora. Ecology. 76(8). 2517–2529. 161 indexed citations
17.
Wagner, Warren L., S. G. Weller, & Ann K. Sakai. (1992). Phylogeny biogeography and evolution in schiedea and alsinidendron caryophyllaceae. 129–130. 1 indexed citations
18.
Sakai, Ann K.. (1990). Sex Ratios of Red Maple (Acer Rubrum) Populations in Northern Lower Michigan. Ecology. 71(2). 571–580. 29 indexed citations
19.
Sakai, Makoto & Ann K. Sakai. (1981). new species of the genus Sandalus from Amami-Oshima Island, Ryukyus (Coleoptera; Rhipiceridae).
20.
Akahane, Hiroshige, et al.. (1963). Small Mammals on Mt. Yatsugatake in Honshu. : II. Seasonal Differences of sex Ratio, Body Weight and Reproduction on Apodemus argenteus and Clethrionomys andersoni in the Subalpine Forest Zone on Mt. Yatsugatake.. 72(7). 187–193. 2 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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