This map shows the geographic impact of S. Walker'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 S. Walker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. Walker more than expected).
This network shows the impact of papers produced by S. Walker. 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 S. Walker. The network helps show where S. Walker may publish in the future.
Co-authorship network of co-authors of S. Walker
This figure shows the co-authorship network connecting the top 25 collaborators of S. Walker.
A scholar is included among the top collaborators of S. Walker 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 S. Walker. S. Walker is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Widderick, M., S. Walker, & Tony Cook. (2011). Flaxleaf fleabane (Conyza bonariensis) - strategic solutions using best management practice.. JOURNAL OF WEED SCIENCE RESEARCH. 18. 585–591.1 indexed citations
4.
Walker, S., Hanwen Wu, & Kerry L. Bell. (2010). Emergence and Seed Persistence of 'Echinochloa Colona, Urochloa Panicoides' and 'Hibiscus Trionum' in the Sub-tropical Environment of North-Eastern Australia. Plant protection quarterly. 25(3). 127–132.20 indexed citations
5.
Werth, Jeff, et al.. (2008). Prolonging glyphosate effectiveness on difficult to control summer weeds.. 288–290.2 indexed citations
6.
Wu, Hanwen, S. Walker, & G. Robinson. (2008). Chemical Control of Flaxleaf Fleabane (Conyza bonariensis (L.) Cronquist) in Winter Fallows. Plant protection quarterly. 23(4). 162–165.14 indexed citations
7.
Walker, S., et al.. (2008). Flaxleaf fleabane - the next glyphosate resistant weed?. 88–90.5 indexed citations
8.
Walker, S., et al.. (2008). Competitive effects of sorghum cultivars and densities on weed suppression. 483–486.1 indexed citations
9.
Preston, Catherine A., et al.. (2008). Gene movement in herbicide resistant sowthistle (Sonchus oleraceus L.). Adelaide Research & Scholarship (AR&S) (University of Adelaide). 113–115.2 indexed citations
10.
Thornby, David, S. Walker, & Jeremy Whish. (2008). Modelling to estimate glyphosate resistance risk in barnyard grass in the northern Australian grain region.. 513–515.3 indexed citations
11.
Walker, S., et al.. (2006). Weed seed persistence with changing farming practices in southern Queensland.. 343–346.5 indexed citations
12.
Walker, S., et al.. (2006). Weeds and summer crop row spacing studies in Queensland.. 347–350.4 indexed citations
13.
Thornby, David, S. Walker, Jeremy Whish, et al.. (2006). Simulating weed persistence and herbicide resistance in the northern grain region using a validated crop growth model with extensions for seedbank dynamics and mating.. 499–502.6 indexed citations
14.
Walker, S., et al.. (2006). Biology and management of flaxleaf fleabane (Conyza bonariensis (L.) Cronquist).. 137–140.3 indexed citations
15.
Walker, S., et al.. (2005). A survey of management and economic impact of weeds in dryland cotton cropping systems of subtropical Australia. Weed Research. 45(1).10 indexed citations
16.
Widderick, M., et al.. (2002). Emergence of Sonchus oleraceus (common sowthistle) is favoured under zero tillage farming systems.. Queensland Department of Agriculture and Fisheries archive of scientific and research publications (Queensland Department of Agriculture and Fisheries). 91–92.3 indexed citations
17.
Walker, S., et al.. (2002). Weeds at risk of developing herbicide resistance in the different cropping systems of the northern region.. Queensland Department of Agriculture and Fisheries archive of scientific and research publications (Queensland Department of Agriculture and Fisheries). 620–621.4 indexed citations
18.
Walker, S., et al.. (1999). Weed and crop management have a major impact on weed seed bank.. 191–194.5 indexed citations
19.
Rew, Lisa J., et al.. (1999). On farm monitoring of weed occurrence and density in the Northern Grain Region.. 31–34.3 indexed citations
20.
Walker, S., et al.. (1993). Towards safer and more efficient use of residual herbicides in the north-eastern grain region of Australia.. 198–201.4 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.