Richard A. Ennos

8.8k total citations · 2 hit papers
140 papers, 6.6k citations indexed

About

Richard A. Ennos is a scholar working on Ecology, Evolution, Behavior and Systematics, Genetics and Plant Science. According to data from OpenAlex, Richard A. Ennos has authored 140 papers receiving a total of 6.6k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Ecology, Evolution, Behavior and Systematics, 59 papers in Genetics and 58 papers in Plant Science. Recurrent topics in Richard A. Ennos's work include Genetic diversity and population structure (50 papers), Plant and animal studies (32 papers) and Ecology and Vegetation Dynamics Studies (32 papers). Richard A. Ennos is often cited by papers focused on Genetic diversity and population structure (50 papers), Plant and animal studies (32 papers) and Ecology and Vegetation Dynamics Studies (32 papers). Richard A. Ennos collaborates with scholars based in United Kingdom, Spain and United States. Richard A. Ennos's co-authors include Cécile Fanny Emilie Bacles, Alex D. Twyford, Sarah Litman Rendell, Andrew J. Lowe, A. C. Newton, Peter M. Hollingsworth, Michael T. Clegg, Theodore R. Allnutt, Giovanni G. Vendramin and Brigitte Demesure‐Musch and has published in prestigious journals such as Science, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Richard A. Ennos

135 papers receiving 6.3k 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.

Glacial Refugia: Hotspots But Not Melting Pots of Genetic Diversity

2003 1.4k citations Richard A. Ennos et al. profile →
Estimating the relative rates of pollen and seed migration among plant populations

1994 633 citations Richard A. Ennos Heredity profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Richard A. Ennos United Kingdom	37	3.3k	2.9k	2.4k	1.7k	1.7k	140	6.6k
Christian Lexer Switzerland	49	4.4k 1.4×	3.6k 1.2×	3.1k 1.3×	2.3k 1.3×	1.6k 1.0×	126	8.3k
Kermit Ritland Canada	37	3.3k 1.0×	2.5k 0.9×	2.3k 1.0×	2.0k 1.1×	1.7k 1.0×	82	6.9k
Félix Gugerli Switzerland	43	3.1k 1.0×	2.0k 0.7×	1.9k 0.8×	1.2k 0.7×	1.4k 0.9×	141	6.0k
Peter Tiffin United States	51	2.3k 0.7×	2.3k 0.8×	3.8k 1.6×	1.6k 0.9×	1.5k 0.9×	123	7.2k
Jim Provan United Kingdom	42	3.5k 1.1×	1.9k 0.6×	3.7k 1.5×	2.3k 1.4×	820 0.5×	108	8.2k
Jean Bousquet Canada	50	2.9k 0.9×	1.3k 0.5×	2.6k 1.1×	2.0k 1.2×	1.9k 1.2×	161	7.0k
Santiago C. González‐Martínez Spain	47	3.2k 1.0×	1.6k 0.6×	2.0k 0.8×	1.4k 0.8×	2.3k 1.4×	149	6.6k
Outi Savolainen Finland	51	4.2k 1.3×	2.4k 0.8×	2.9k 1.2×	2.5k 1.4×	2.4k 1.5×	124	8.6k
John D. Nason United States	36	3.3k 1.0×	3.5k 1.2×	2.5k 1.0×	1.1k 0.6×	1.9k 1.1×	84	6.4k
René E. Vaillancourt Australia	48	2.5k 0.8×	2.1k 0.7×	2.7k 1.1×	1.7k 1.0×	2.1k 1.3×	213	6.8k

Countries citing papers authored by Richard A. Ennos

Since Specialization

Citations

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

Fields of papers citing papers by Richard A. Ennos

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Richard A. Ennos

This figure shows the co-authorship network connecting the top 25 collaborators of Richard A. Ennos. A scholar is included among the top collaborators of Richard A. Ennos 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 Richard A. Ennos. Richard A. Ennos 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

Cottrell, Joan, et al.. (2025). Evidence of Genetic Isolation and Differentiation Among Historically Fragmented British Populations of Common Juniper, Juniperus communis L.. Ecology and Evolution. 15(7). e71818–e71818.

Ennos, Richard A., et al.. (2025). The postglacial history of Euphrasia micrantha in Scotland: evidence from genome skimming. Plant Ecology & Diversity. 18(3-4). 159–170.

Bateman, Richard M., et al.. (2023). Systematic reappraisal of marsh-orchids native to Scotland. Kew Bulletin. 78(2). 107–131. 1 indexed citations

O’Brien, David, et al.. (2021). Exploring the potential for ‘Gene Conservation Units’ to conserve genetic diversity in wild populations. SHILAP Revista de lepidopterología. 2(2). 12 indexed citations

Ennos, Richard A., et al.. (2020). Species diversification – which species should we use?. 3 indexed citations

Burnett, F. J., et al.. (2019). The impact of fungicide treatment and Integrated Pest Management on barley yields: Analysis of a long term field trials database. European Journal of Agronomy. 105. 111–118. 16 indexed citations

Ennos, Richard A. & Xin‐Sheng Hu. (2018). Estimating the number of sexual events per generation in a facultatively sexual haploid population. Heredity. 122(6). 729–741. 5 indexed citations

Ennos, Richard A., Joan Cottrell, Jeanette Hall, & David O’Brien. (2018). Is the introduction of novel exotic forest tree species a rational response to rapid environmental change? – A British perspective. Forest Ecology and Management. 432. 718–728. 43 indexed citations

Cavers, Stephen, et al.. (2017). Substantial variation in the timing of pollen production reduces reproductive synchrony between distant populations ofPinus sylvestrisL. in Scotland. Ecology and Evolution. 7(15). 5754–5765. 14 indexed citations

10.

Jordan, Crispin Y., Konrad Lohse, Frances Turner, et al.. (2017). Maintaining their genetic distance: Little evidence for introgression between widely hybridizing species of Geum with contrasting mating systems. Molecular Ecology. 27(5). 1214–1228. 16 indexed citations

11.

Piotrowska, Marta, et al.. (2017). Planting exotic relatives has increased the threat posed by Dothistroma septosporum to the Caledonian pine populations of Scotland. Evolutionary Applications. 11(3). 350–363. 13 indexed citations

12.

Cottrell, Joan, et al.. (2016). Supplying trees in an era of environmental uncertainty: Identifying challenges faced by the forest nursery sector in Great Britain. Land Use Policy. 58. 415–426. 28 indexed citations

13.

Twyford, Alex D., Catherine Kidner, Nicola Harrison, & Richard A. Ennos. (2012). Population history and seed dispersal in widespread Central AmericanBegoniaspecies (Begoniaceae) inferred from plastome-derived microsatellite markers. Botanical Journal of the Linnean Society. 171(1). 260–276. 33 indexed citations

14.

Bacles, Cécile Fanny Emilie & Richard A. Ennos. (2008). Paternity analysis of pollen-mediated gene flow for Fraxinus excelsior L. in a chronically fragmented landscape. Heredity. 101(4). 368–380. 91 indexed citations

15.

Ennos, Richard A. & Kristi McConnell. (2003). Variation in host resistance and pathogen selective value in the interaction between Pinus sylvestris and the fungus Crumenulopsis sororia. Heredity. 91(3). 193–201. 8 indexed citations

16.

Newton, A. C., A. C. Newton, Theodore R. Allnutt, et al.. (1999). Molecular phylogeography, intraspecific variation and the conservation of tree species. Trends in Ecology & Evolution. 14(4). 140–145. 344 indexed citations

17.

Mahy, Grégory, Richard A. Ennos, & Anne‐Laure Jacquemart. (1999). Allozyme variation and genetic structure of Calluna vulgaris (heather) populations in Scotland: the effect of postglacial recolonization. Heredity. 82(6). 654–660. 19 indexed citations

18.

Sinclair, William, et al.. (1998). Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation. Heredity. 80(2). 233–240. 66 indexed citations

19.

Ennos, Richard A., et al.. (1998). Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation. Heredity. 80(2). 233–240. 7 indexed citations

20.

Hu, Xin‐Sheng & Richard A. Ennos. (1997). On estimation of the ratio of pollen to seed flow among plant populations. Heredity. 79(5). 541–552. 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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