Richard A. Ennos

8.8k citations

140 papers · 6.6k indexed · 2 hit papers · h-index 37

Genetics top 0.2%
Ecology, Evolution, Behavior and Systematics top 0.2%
Plant Science top 0.5%
Molecular Biology top 5%
Nature and Landscape Conservation top 0.5%

Co-authors: Cécile Fanny Emilie Bacles Alex D. Twyford Sarah Litman Rendell Andrew J. Lowe Peter M. Hollingsworth Michael T. Clegg A. C. Newton Giovanni G. Vendramin
Topics: Genetic diversity and population structure (50 papers)Plant and animal studies (32 papers)Ecology and Vegetation Dynamics Studies (32 papers)
Cited by: Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation Ecological Modeling
Journals: ScienceSHILAP Revista de lepidopterologíaPLoS ONE
Partner nations: United Kingdom Spain United States

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

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

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20 of 20 papers shown

#	Work	Indexed citations
1	Evidence of Genetic Isolation and Differentiation Among Historically Fragmented British Populations of Common Juniper, Juniperus communis L. 2025 ·Ecology and Evolution ·(unknown),Joan Cottrell,Richard A. Ennos,Annika Perry,(unknown),(unknown),Stephen Cavers	0
2	The postglacial history of Euphrasia micrantha in Scotland: evidence from genome skimming 2025 ·Plant Ecology & Diversity ·(unknown),(unknown),Richard A. Ennos,(unknown),Peter M. Hollingsworth,Alex D. Twyford	0
3	Systematic reappraisal of marsh-orchids native to Scotland 2023 ·Kew Bulletin ·Richard M. Bateman,I. Denholm,(unknown),William J. Craig,Richard A. Ennos	1
4	Exploring the potential for ‘Gene Conservation Units’ to conserve genetic diversity in wild populations 2021 ·SHILAP Revista de lepidopterología ·(unknown),David O’Brien,Joan Cottrell,Richard A. Ennos,Jane K. Hill,Jeanette Hall	12
5	Species diversification – which species should we use? 2020 ·Richard A. Ennos,Joan Cottrell,(unknown),Jeanette Hall	3
6	The impact of fungicide treatment and Integrated Pest Management on barley yields: Analysis of a long term field trials database 2019 ·European Journal of Agronomy ·(unknown),F. J. Burnett,Richard A. Ennos,K. Topp	16
7	Is the introduction of novel exotic forest tree species a rational response to rapid environmental change? – A British perspective 2018 ·Forest Ecology and Management ·Richard A. Ennos,Joan Cottrell,Jeanette Hall,David O’Brien	43
8	Estimating the number of sexual events per generation in a facultatively sexual haploid population 2018 ·Heredity ·Richard A. Ennos,Xin‐Sheng Hu	5
9	Maintaining their genetic distance: Little evidence for introgression between widely hybridizing species of Geum with contrasting mating systems 2017 ·Molecular Ecology ·Crispin Y. Jordan,Konrad Lohse,Frances Turner,Marian Thomson,Karim Gharbi,Richard A. Ennos	16
10	Planting exotic relatives has increased the threat posed by Dothistroma septosporum to the Caledonian pine populations of Scotland 2017 ·Evolutionary Applications ·Marta Piotrowska,Carolyn Riddell,(unknown),Richard A. Ennos	13
11	Substantial variation in the timing of pollen production reduces reproductive synchrony between distant populations ofPinus sylvestrisL. in Scotland 2017 ·Ecology and Evolution ·(unknown),Stephen Cavers,Joan Cottrell,(unknown),Richard A. Ennos	14
12	Supplying trees in an era of environmental uncertainty: Identifying challenges faced by the forest nursery sector in Great Britain 2016 ·Land Use Policy ·(unknown),Joan Cottrell,Stephen Cavers,(unknown),Richard A. Ennos	28
13	Evolutionary Diversification of New Caledonian Araucaria 2014 ·PLoS ONE ·(unknown),Ed Biffin,Alexandra Clark,Michelle L. Hollingsworth,Markus Ruhsam,Martin Gardner,Philip Thomas,R. R. Mill,Richard A. Ennos,Myriam Gaudeul,Andrew J. Lowe,Peter M. Hollingsworth	35
14	Population history and seed dispersal in widespread Central AmericanBegoniaspecies (Begoniaceae) inferred from plastome-derived microsatellite markers 2012 ·Botanical Journal of the Linnean Society ·Alex D. Twyford,Catherine Kidner,Nicola Harrison,Richard A. Ennos	33
15	Importance of demography and dispersal for the resilience and restoration of a critically endangered tropical conifer Araucaria nemorosa 2011 ·Diversity and Distributions ·Chris J. Kettle,Richard A. Ennos,Tanguy Jaffré,(unknown),(unknown),Martin Gardner,Peter M. Hollingsworth	10
16	Variation in host resistance and pathogen selective value in the interaction between Pinus sylvestris and the fungus Crumenulopsis sororia 2003 ·Heredity ·Richard A. Ennos,Kristi McConnell	8
17	Allozyme variation and genetic structure of Calluna vulgaris (heather) populations in Scotland: the effect of postglacial recolonization 1999 ·Heredity ·Grégory Mahy,Richard A. Ennos,Anne‐Laure Jacquemart	19
18	Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation 1998 ·Heredity ·William Sinclair,(unknown),Richard A. Ennos	66
19	Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation 1998 ·Heredity ·(unknown),(unknown),Richard A. Ennos	7
20	On estimation of the ratio of pollen to seed flow among plant populations 1997 ·Heredity ·Xin‐Sheng Hu,Richard A. Ennos	2

About Richard A. Ennos

Richard A. Ennos is a scholar working on Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation and Genetics, having authored 140 papers that have together received 6.6k indexed citations. Recurring topics across this work include Genetic diversity and population structure (50 papers), Plant and animal studies (32 papers) and Ecology and Vegetation Dynamics Studies (32 papers). The work is most often cited by research in Ecology, Evolution, Behavior and Systematics (2.9k citations), Nature and Landscape Conservation (1.7k citations) and Ecological Modeling (559 citations). Richard A. Ennos has collaborated with scholars based in United Kingdom, Spain and United States. Frequent co-authors include Cécile Fanny Emilie Bacles, Alex D. Twyford, Sarah Litman Rendell, Andrew J. Lowe, Peter M. Hollingsworth, Michael T. Clegg, A. C. Newton, Giovanni G. Vendramin, Jacques‐Louis de Beaulieu and Martin Lascoux. Their work appears in journals such as Science, SHILAP Revista de lepidopterología and PLoS ONE.

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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