Jim Asher

3.4k total citations · 2 hit papers
13 papers, 2.6k citations indexed

About

Jim Asher is a scholar working on Nature and Landscape Conservation, Ecology, Evolution, Behavior and Systematics and Ecological Modeling. According to data from OpenAlex, Jim Asher has authored 13 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Nature and Landscape Conservation, 8 papers in Ecology, Evolution, Behavior and Systematics and 8 papers in Ecological Modeling. Recurrent topics in Jim Asher's work include Species Distribution and Climate Change (8 papers), Ecology and Vegetation Dynamics Studies (8 papers) and Plant and animal studies (7 papers). Jim Asher is often cited by papers focused on Species Distribution and Climate Change (8 papers), Ecology and Vegetation Dynamics Studies (8 papers) and Plant and animal studies (7 papers). Jim Asher collaborates with scholars based in United Kingdom and Poland. Jim Asher's co-authors include Richard Fox, Mark G. Telfer, David B. Roy, Jeremy A. Thomas, Brian Huntley, Jane K. Hill, Chris D. Thomas, Stephen G. Willis, M. S. Warren and Chris Preston and has published in prestigious journals such as Nature, Science and Proceedings of the Royal Society B Biological Sciences.

In The Last Decade

Jim Asher

13 papers receiving 2.4k 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.

Rapid responses of British butterflies to opposing forces of climate and habitat change

2001 1.0k citations M. S. Warren, Jane K. Hill et al. Nature profile →
Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis

2004 705 citations Jeremy A. Thomas, Mark G. Telfer et al. Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jim Asher United Kingdom	9	1.6k	1.6k	1.5k	783	569	13	2.6k
Mark G. Telfer United Kingdom	14	1.5k 1.0×	1.5k 0.9×	1.4k 0.9×	909 1.2×	538 0.9×	22	2.7k
Nils Ryrholm Sweden	12	902 0.6×	1.2k 0.7×	1.1k 0.7×	718 0.9×	573 1.0×	26	2.1k
Tim G. Shreeve United Kingdom	30	1.7k 1.1×	1.1k 0.7×	1.8k 1.2×	563 0.7×	856 1.5×	64	2.7k
David Gutiérrez Spain	27	1.3k 0.8×	1.0k 0.7×	1.1k 0.7×	614 0.8×	377 0.7×	55	2.0k
Henri Descimon France	15	930 0.6×	1.1k 0.7×	1.3k 0.8×	728 0.9×	854 1.5×	47	2.4k
J.N. Greatorex-Davies United Kingdom	15	1.2k 0.7×	934 0.6×	1.0k 0.7×	558 0.7×	312 0.5×	19	1.8k
Heather M. Kharouba Canada	21	992 0.6×	1.3k 0.8×	1.0k 0.7×	970 1.2×	350 0.6×	43	2.4k
Keith S. Summerville United States	24	1.8k 1.1×	753 0.5×	1.5k 1.0×	1.2k 1.5×	423 0.7×	52	2.8k
Cheryl B. Schultz United States	26	1.3k 0.8×	603 0.4×	1.3k 0.9×	850 1.1×	391 0.7×	63	2.2k
Eric E. Porter United States	12	2.0k 1.2×	1.5k 0.9×	1.2k 0.8×	1.3k 1.7×	306 0.5×	15	3.0k

Countries citing papers authored by Jim Asher

Since Specialization

Citations

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

Fields of papers citing papers by Jim Asher

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jim Asher

This figure shows the co-authorship network connecting the top 25 collaborators of Jim Asher. A scholar is included among the top collaborators of Jim Asher 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 Jim Asher. Jim Asher 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:

13 of 13 papers shown

1.

Fox, Richard, Tom Brereton, Jim Asher, et al.. (2011). The State of the UK's Butterflies 2011. NERC Open Research Archive (Natural Environment Research Council). 7 indexed citations

2.

Dennis, Roger L. H., Leonardo Dapporto, Tim H. Sparks, et al.. (2010). Turnover and trends in butterfly communities on two British tidal islands: stochastic influences and deterministic factors. Journal of Biogeography. 37(12). 2291–2304. 16 indexed citations

3.

Asher, Jim, Richard Fox, & M. S. Warren. (2010). British butterfly distributions and the 2010 target. Journal of Insect Conservation. 15(1-2). 291–299. 16 indexed citations

4.

Fox, Richard, M. S. Warren, Jim Asher, Tom Brereton, & David B. Roy. (2007). The state of Britain's butterflies 2007. NERC Open Research Archive (Natural Environment Research Council). 8 indexed citations

5.

Fox, Robin Lane, Jim Asher, Tom Brereton, David B. Roy, & M. S. Warren. (2006). The state of butterflies in Britain and Ireland. NERC Open Research Archive (Natural Environment Research Council). 82 indexed citations

6.

Dennis, Roger L. H., Tim G. Shreeve, Nick J. B. Isaac, et al.. (2005). The effects of visual apparency on bias in butterfly recording and monitoring. Biological Conservation. 128(4). 486–492. 82 indexed citations

7.

Thomas, Jeremy A., Mark G. Telfer, David B. Roy, et al.. (2004). Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis. Science. 303(5665). 1879–1881. 705 indexed citations breakdown →

8.

Roy, David B. & Jim Asher. (2003). Spatial trends in the sighting dates of British butterflies. International Journal of Biometeorology. 47(4). 188–192. 22 indexed citations

9.

Fox, Richard, et al.. (2003). Butterflies for the new millennium: mapping butterfly distributions in Britain (Lepidoptera). Data Archiving and Networked Services (DANS). 79–86. 1 indexed citations

10.

Hill, Jane K., Chris D. Thomas, Richard Fox, et al.. (2002). Responses of butterflies to twentieth century climate warming: implications for future ranges. Proceedings of the Royal Society B Biological Sciences. 269(1505). 2163–2171. 357 indexed citations

11.

Asher, Jim. (2001). The millennium atlas of butterflies in Britain and Ireland. Oxford University Press eBooks. 291 indexed citations

12.

Warren, M. S., Jane K. Hill, Jeremy A. Thomas, et al.. (2001). Rapid responses of British butterflies to opposing forces of climate and habitat change. Nature. 414(6859). 65–69. 1037 indexed citations breakdown →

13.

Evans, Daniel D., T. W. Sammis, & Jim Asher. (1975). Plant Growth and Water Transfer Interactive Processes Under Desert Conditions. Digital Commons - USU (Utah State University). 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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