Allan Walker

8.2k total citations · 1 hit paper
132 papers, 6.6k citations indexed

About

Allan Walker is a scholar working on Pollution, Plant Science and Soil Science. According to data from OpenAlex, Allan Walker has authored 132 papers receiving a total of 6.6k indexed citations (citations by other indexed papers that have themselves been cited), including 106 papers in Pollution, 64 papers in Plant Science and 25 papers in Soil Science. Recurrent topics in Allan Walker's work include Pesticide and Herbicide Environmental Studies (106 papers), Weed Control and Herbicide Applications (44 papers) and Pharmaceutical and Antibiotic Environmental Impacts (44 papers). Allan Walker is often cited by papers focused on Pesticide and Herbicide Environmental Studies (106 papers), Weed Control and Herbicide Applications (44 papers) and Pharmaceutical and Antibiotic Environmental Impacts (44 papers). Allan Walker collaborates with scholars based in United Kingdom, United States and Italy. Allan Walker's co-authors include Brajesh K. Singh, J. Alun W. Morgan, Denis J. Wright, Sarah J. Welch, Gary D. Bending, Pauline Brown, Dimitrios G. Karpouzas, L. C. HO, P. Fogg and Alistair B.A. Boxall and has published in prestigious journals such as Nature, Applied and Environmental Microbiology and Journal of Agricultural and Food Chemistry.

In The Last Decade

Allan Walker

130 papers receiving 5.9k 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.

Microbial degradation of organophosphorus compounds

2006 848 citations Allan Walker et al. profile →

Peers

Allan Walker

POLLU

PS

HTM

SS

FS

N. Sethunathan India

Guy Soulas France

Robert M. Zablotowicz United States

Xiangyang Yu China

R. H. Bromilow United Kingdom

J. S. Angle United States

Mohsin Tanveer China

Ying Feng China

Gagan Preet Singh Sidhu India

José M. Becerril Spain

N. Sethunathan India

Allan Walker

2.9k ×0.6

POLLU

1.2k ×0.5

PS

1.3k ×0.8

HTM

694 ×0.9

SS

238 ×0.3

FS

Citations per year, relative to Allan Walker Allan Walker (= 1×) peers N. Sethunathan

Countries citing papers authored by Allan Walker

Since Specialization

Citations

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

Fields of papers citing papers by Allan Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Allan Walker

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

1.

Price, Oliver R., Margaret A. Oliver, Allan Walker, & M. Wood. (2009). Estimating the spatial scale of herbicide and soil interactions by nested sampling, hierarchical analysis of variance and residual maximum likelihood. Environmental Pollution. 157(5). 1689–1696. 6 indexed citations

2.

Walker, Allan, et al.. (2004). Influence of ageing of residues on the availability of herbicides for leaching. Environmental Pollution. 133(1). 43–51. 56 indexed citations

3.

Renaud, Fabrice G., Colin D. Brown, Christopher Fryer, & Allan Walker. (2004). A lysimeter experiment to investigate temporal changes in the availability of pesticide residues for leaching. Environmental Pollution. 131(1). 81–91. 43 indexed citations

4.

Fogg, P., Alistair B.A. Boxall, Allan Walker, & Andrew Jukes. (2004). Degradation and leaching potential of pesticides in biobed systems. Pest Management Science. 60(7). 645–654. 40 indexed citations

5.

Fogg, P., Alistair B.A. Boxall, Allan Walker, & Andrew Jukes. (2004). Effect of Different Soil Textures on Leaching Potential and Degradation of Pesticides in Biobeds. Journal of Agricultural and Food Chemistry. 52(18). 5643–5652. 30 indexed citations

6.

Fogg, P., Alistair B.A. Boxall, Allan Walker, & Andrew Jukes. (2004). Leaching of Pesticides from Biobeds: Effect of Biobed Depth and Water Loading. Journal of Agricultural and Food Chemistry. 52(20). 6217–6227. 33 indexed citations

7.

Turnbull, G. D., et al.. (2001). Identification and characterisation of a diuron-degrading bacterium. Biology and Fertility of Soils. 33(6). 472–476. 34 indexed citations

8.

Karpouzas, Dimitrios G., et al.. (2001). The effect of initial concentration of carbofuran on the development and stability of its enhanced biodegradation in top-soil and sub-soil. Pest Management Science. 57(1). 72–81. 32 indexed citations

9.

Brown, Colin D., et al.. (2001). Influence of topsoil tilth and soil moisture status on losses of pesticide to drains from a heavy clay soil. Pest Management Science. 57(12). 1127–1134. 15 indexed citations

10.

Karpouzas, Dimitrios G., J. Alun W. Morgan, & Allan Walker. (2000). Isolation and characterisation of ethoprophos-degrading bacteria. FEMS Microbiology Ecology. 33(3). 209–218. 36 indexed citations

11.

Karpouzas, Dimitrios G., J. Alun W. Morgan, & Allan Walker. (2000). Isolation and characterization of 23 carbofuran-degrading bacteria from soils from distant geographical areas. Letters in Applied Microbiology. 31(5). 353–358. 31 indexed citations

12.

Walker, Allan, et al.. (1999). Rapid biodegradation of diuron and other phenylurea herbicides by a soil bacterium. Soil Biology and Biochemistry. 31(5). 677–686. 148 indexed citations

13.

Capri, E. & Allan Walker. (1993). Biodegradation of liquid and microencapsulated formulations of alachlor in a clay loam soil. Bulletin of Environmental Contamination and Toxicology. 50(4). 506–13. 9 indexed citations

14.

Greenwood, D. J. & Allan Walker. (1990). Modelling soil productivity and pollution. Philosophical Transactions of the Royal Society B Biological Sciences. 329(1255). 309–320. 2 indexed citations

15.

Walker, Allan, et al.. (1989). Measurement and prediction of chlorsulfuron persistence in soil following autumn and spring application.. 3. 1121–1126. 4 indexed citations

16.

Walker, Allan. (1989). Factors influencing the variability in pesticide persistence in soils.. Aspects of applied biology. 159–172. 9 indexed citations

17.

Walker, Allan, et al.. (1988). Degradation of carbofuran, iprodione and vinclozolin by soil bacteria and initial evidence for plasmid involvement in their metabolism.. 2. 699–704. 10 indexed citations

18.

Walker, Allan, et al.. (1988). Accelerated degradation of soil-applied pesticides-implications for UK horticulture.. Aspects of applied biology. 213–222. 10 indexed citations

19.

Walker, Allan. (1987). Evaluation of a simulation model for prediction of herbicide movement and persistence in soil. Weed Research. 27(2). 143–152. 112 indexed citations

20.

Walker, Allan & L. C. HO. (1977). Carbon Translocation in the Tomato: Carbon Import and Fruit Growth1. Annals of Botany. 41(4). 813–823. 104 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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