Stephan Halloy

3.0k total citations · 1 hit paper
47 papers, 1.8k citations indexed

About

Stephan Halloy is a scholar working on Nature and Landscape Conservation, Plant Science and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Stephan Halloy has authored 47 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Nature and Landscape Conservation, 14 papers in Plant Science and 13 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Stephan Halloy's work include Ecology and Vegetation Dynamics Studies (14 papers), Species Distribution and Climate Change (11 papers) and Tree-ring climate responses (4 papers). Stephan Halloy is often cited by papers focused on Ecology and Vegetation Dynamics Studies (14 papers), Species Distribution and Climate Change (11 papers) and Tree-ring climate responses (4 papers). Stephan Halloy collaborates with scholars based in New Zealand, United States and Argentina. Stephan Halloy's co-authors include Peter A. Williams, P. C. Pheloung, A. F. Mark, Preston Sowell, Steven K. Schmidt, Anton Seimon, Elizabeth K. Costello, Sasha C. Reed, Tracie A. Seimon and Bronwen Konecky and has published in prestigious journals such as SHILAP Revista de lepidopterología, Applied and Environmental Microbiology and Global Change Biology.

In The Last Decade

Stephan Halloy

47 papers receiving 1.7k citations

Hit Papers

A weed risk assessment model for use as a biosecurity too... 1999 2026 2008 2017 1999 100 200 300 400 500
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. A weed risk assessment model for use as a biosecurity tool evaluating plant introductions
    1999 592 citations Stephan Halloy 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
Stephan Halloy New Zealand 17 719 593 590 512 431 47 1.8k
Barry Meatyard United Kingdom 8 686 1.0× 615 1.0× 560 0.9× 491 1.0× 330 0.8× 14 1.7k
Urs A. Treier Denmark 17 748 1.0× 647 1.1× 683 1.2× 472 0.9× 874 2.0× 34 2.0k
Jenny L. McCune Canada 17 809 1.1× 572 1.0× 439 0.7× 521 1.0× 593 1.4× 40 1.7k
Jean‐Yves Meyer French Polynesia 24 695 1.0× 691 1.2× 764 1.3× 364 0.7× 342 0.8× 70 1.7k
Nobuyuki Tanaka Japan 21 669 0.9× 379 0.6× 404 0.7× 345 0.7× 633 1.5× 62 1.4k
George B. Chuyong Cameroon 22 1.1k 1.5× 674 1.1× 693 1.2× 653 1.3× 278 0.6× 49 2.4k
David Kenfack United States 23 1.1k 1.5× 601 1.0× 871 1.5× 377 0.7× 347 0.8× 68 2.1k
Lea de Nascimento Spain 20 432 0.6× 469 0.8× 519 0.9× 359 0.7× 282 0.7× 65 1.6k
Anke Stein Germany 11 1.2k 1.6× 778 1.3× 699 1.2× 370 0.7× 596 1.4× 14 2.1k
Thilo Heinken Germany 28 1.2k 1.7× 687 1.2× 873 1.5× 720 1.4× 282 0.7× 85 2.1k

Countries citing papers authored by Stephan Halloy

Since Specialization
Citations

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

Fields of papers citing papers by Stephan Halloy

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephan Halloy. 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 Stephan Halloy. The network helps show where Stephan Halloy may publish in the future.

Co-authorship network of co-authors of Stephan Halloy

This figure shows the co-authorship network connecting the top 25 collaborators of Stephan Halloy. A scholar is included among the top collaborators of Stephan Halloy 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 Stephan Halloy. Stephan Halloy 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.
Carilla, Julieta, et al.. (2023). Hydroclimate and vegetation variability of high Andean ecosystems. Frontiers in Plant Science. 13. 1067096–1067096. 7 indexed citations
3.
4.
Lim, Marisa, Anton Seimon, Charles C.Y. Xu, et al.. (2022). Estimating biodiversity across the tree of life on Mount Everest’s southern flank with environmental DNA. iScience. 25(9). 104848–104848. 6 indexed citations
5.
Tovar, Carolina, Buntarou Kusumoto, Francisco Cuesta, et al.. (2020). Plant dispersal strategies of high tropical alpine communities across the Andes. Journal of Ecology. 108(5). 1910–1922. 34 indexed citations
6.
Cuesta, Francisco, Carolina Tovar, Luis D. Llambí, et al.. (2019). Thermal niche traits of high alpine plant species and communities across the tropical Andes and their vulnerability to global warming. Journal of Biogeography. 47(2). 408–420. 56 indexed citations
7.
Carilla, Julieta, Stephan Halloy, Soledad Cuello, et al.. (2018). Vegetation trends over eleven years on mountain summits in NW Argentina. Ecology and Evolution. 8(23). 11554–11567. 36 indexed citations
8.
Lord, Janice M., A. F. Mark, Stephan Halloy, et al.. (2017). Slow community responses but rapid species responses 14 years after alpine turf transplantation among snow cover zones, south–central New Zealand. Perspectives in Plant Ecology Evolution and Systematics. 30. 51–61. 6 indexed citations
9.
Halloy, Stephan, et al.. (2010). Biomass allocation in herbaceous plants under grazing impact in the high semi-arid Andes. Flora. 205(10). 695–703. 55 indexed citations
10.
Halloy, Stephan. (2008). Crecimiento exponencial y supervivencia del cardón (Echinopsis atacamensis subsp. pasacana) en su límite altitudinal (Tucumán, Argentina). 43(1). 6–15. 2 indexed citations
11.
Mark, A. F., et al.. (2006). Two GLORIA long‐term alpine monitoring sites established in New Zealand as part of a global network. Journal of the Royal Society of New Zealand. 36(3). 111–128. 14 indexed citations
12.
Bannister, Peter, Katharine J. M. Dickinson, Stephan Halloy, et al.. (2005). Will loss of snow cover during climatic warming expose New Zealand alpine plants to increased frost damage?. Oecologia. 144(2). 245–256. 88 indexed citations
13.
Halloy, Stephan, et al.. (2005). EFFECT OF PLANTING DATE ON ULLUCO YIELD. Acta Horticulturae. 181–187. 2 indexed citations
14.
Halloy, Stephan & A. F. Mark. (1996). Comparative leaf morphology spectra of plant communities in New Zealand, the Andes and the European Alps. Journal of the Royal Society of New Zealand. 26(1). 41–78. 64 indexed citations
15.
Halloy, Stephan. (1995). Status of New Zealand biodiversity research and resources: How much do we know?. Journal of the Royal Society of New Zealand. 25(1). 55–80. 7 indexed citations
16.
Halloy, Stephan, et al.. (1993). An Inverse Relation between Frost Survival and Atmospheric Pressure. Arctic and Alpine Research. 25(2). 117–123. 1 indexed citations
17.
Halloy, Stephan. (1990). A morphological classification of plants, with special reference to the New Zealand alpine flora. Journal of Vegetation Science. 1(3). 291–304. 39 indexed citations
18.
Halloy, Stephan. (1985). Reencuentro de azorella biloba (schlecht.) weed. En tucuman. Lilloa. 36(2). 267–269. 1 indexed citations
19.
20.
Halloy, Stephan. (1981). Notas sobre cyclestheria hislopi (baird) crustacea : conchostraca) encontrado en argentina. SHILAP Revista de lepidopterología. 36(2). 5–9. 4 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Barry Meatyard Breakdown of academic impact, for papers by Urs A. Treier Breakdown of academic impact, for papers by Jenny L. McCune Breakdown of academic impact, for papers by Jean‐Yves Meyer Breakdown of academic impact, for papers by Nobuyuki Tanaka Breakdown of academic impact, for papers by George B. Chuyong Breakdown of academic impact, for papers by David Kenfack Breakdown of academic impact, for papers by Lea de Nascimento Breakdown of academic impact, for papers by Anke Stein Breakdown of academic impact, for papers by Thilo Heinken
Rankless by CCL
2026