André van Rooyen

2.7k total citations · 2 hit papers
61 papers, 1.9k citations indexed

About

André van Rooyen is a scholar working on General Agricultural and Biological Sciences, Soil Science and Sociology and Political Science. According to data from OpenAlex, André van Rooyen has authored 61 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in General Agricultural and Biological Sciences, 16 papers in Soil Science and 9 papers in Sociology and Political Science. Recurrent topics in André van Rooyen's work include Agricultural Innovations and Practices (16 papers), Rangeland Management and Livestock Ecology (8 papers) and African studies and sociopolitical issues (7 papers). André van Rooyen is often cited by papers focused on Agricultural Innovations and Practices (16 papers), Rangeland Management and Livestock Ecology (8 papers) and African studies and sociopolitical issues (7 papers). André van Rooyen collaborates with scholars based in Australia, Mali and Tanzania. André van Rooyen's co-authors include Henning Bjørnlund, Vibeke Bjornlund, Richard Stirzaker, Martin Moyo, Ulrich Neumann, J. Galen Buckwalter, C. van der Zaag, Jamie Pittock, Clint Chua and Sabine Homann-Kee Tui and has published in prestigious journals such as Field Crops Research, Agricultural Water Management and Agricultural Systems.

In The Last Decade

André van Rooyen

59 papers receiving 1.7k 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.

Why agricultural production in sub-Saharan Africa remains low compared to the rest of the world – a historical perspective

2020 154 citations Vibeke Bjornlund, Henning Bjørnlund et al. International Journal of Water Resources Development profile →
Why food insecurity persists in sub-Saharan Africa: A review of existing evidence

2022 92 citations Vibeke Bjornlund, Henning Bjørnlund et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
André van Rooyen Australia	25	518	392	296	202	184	61	1.9k
Paul N. Wilson United Kingdom	32	613 1.2×	407 1.0×	184 0.6×	119 0.6×	373 2.0×	123	2.9k
Siobhan Murray United States	22	147 0.3×	301 0.8×	201 0.7×	54 0.3×	151 0.8×	41	2.0k
Christian Roth Australia	27	169 0.3×	929 2.4×	387 1.3×	335 1.7×	390 2.1×	87	2.5k
Dave Murray-Rust United Kingdom	26	173 0.3×	290 0.7×	108 0.4×	173 0.9×	59 0.3×	97	2.0k
Iain Fraser United Kingdom	31	379 0.7×	182 0.5×	109 0.4×	81 0.4×	326 1.8×	131	3.0k
Raj Kumar Gupta India	28	420 0.8×	1.2k 3.0×	639 2.2×	64 0.3×	1.5k 8.4×	114	4.0k
Sarah Taylor Lovell United States	30	290 0.6×	237 0.6×	356 1.2×	33 0.2×	1.9k 10.3×	80	4.0k
Nora Fagerholm Finland	32	269 0.5×	131 0.3×	192 0.6×	28 0.1×	454 2.5×	75	4.7k
Brent Jacobs Australia	18	97 0.2×	196 0.5×	177 0.6×	21 0.1×	302 1.6×	83	1.3k
C. Ford Runge United States	21	280 0.5×	282 0.7×	58 0.2×	82 0.4×	140 0.8×	94	2.4k

Countries citing papers authored by André van Rooyen

Since Specialization

Citations

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

Fields of papers citing papers by André van Rooyen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by André van Rooyen. 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 André van Rooyen. The network helps show where André van Rooyen may publish in the future.

Co-authorship network of co-authors of André van Rooyen

This figure shows the co-authorship network connecting the top 25 collaborators of André van Rooyen. A scholar is included among the top collaborators of André van Rooyen 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 André van Rooyen. André van Rooyen 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

Bjørnlund, Henning, et al.. (2025). Critical reflections on transforming smallholder irrigation systems from dysfunctional to functional climate smart agricultural systems. International Journal of Water Resources Development. 41(2). 223–228.

Rooyen, André van, et al.. (2025). Agroecology and circular food systems: decoupling natural resource use from rural development in sub-Saharan Africa?. International Journal of Water Resources Development. 41(2). 489–511. 1 indexed citations

Moyo, Martin, et al.. (2024). Adapting smallholder irrigation systems to extreme events: a case of the Transforming Irrigation in Southern Africa (TISA) project in Zimbabwe. International Journal of Water Resources Development. 41(2). 274–297. 7 indexed citations

Pittock, Jamie, et al.. (2024). Agricultural innovation platforms for scaling innovations – insights from the Transforming Irrigation in Southern Africa project. International Journal of Water Resources Development. 41(2). 466–488. 2 indexed citations

Bjørnlund, Henning, André van Rooyen, Jamie Pittock, & Vibeke Bjornlund. (2023). Research and development needs in agricultural water management to achieve sustainable development goals^*¹. Irrigation and Drainage. 72(5). 1260–1268. 5 indexed citations

Kuhnert, Petra, Roger Lawes, Luigi J. Renzullo, et al.. (2023). Decoupling crop production from water consumption at some irrigation schemes in southern Africa. Agricultural Water Management. 284. 108358–108358. 7 indexed citations

Rooyen, André van, Henning Bjørnlund, & Jamie Pittock. (2021). Beyond fertilizer for closing yield gaps in sub-Saharan Africa. Nature Food. 2(10). 756–757. 10 indexed citations

Bjørnlund, Henning, André van Rooyen, Jamie Pittock, & Vibeke Bjornlund. (2021). Changing the development paradigm in African agricultural water management to resolve water and food challenges. Water International. 46(7-8). 1187–1204. 8 indexed citations

Christen, Evan, et al.. (2020). Do agricultural innovation platforms and soil moisture and nutrient monitoring tools improve the production and livelihood of smallholder irrigators in Mozambique?. International Journal of Water Resources Development. 36(sup1). S127–S147. 25 indexed citations

10.

Zuo, Alec, Sarah Ann Wheeler, Henning Bjørnlund, et al.. (2020). Irrigators’ willingness to pay for the adoption of soil moisture monitoring tools in South-Eastern Africa. International Journal of Water Resources Development. 36(sup1). S246–S267. 14 indexed citations

11.

Pittock, Jamie, Henning Bjørnlund, & André van Rooyen. (2020). Transforming failing smallholder irrigation schemes in Africa: a theory of change. International Journal of Water Resources Development. 36(sup1). S1–S19. 30 indexed citations

12.

Manero, Ana, Henning Bjørnlund, Sarah Ann Wheeler, et al.. (2020). Growth and inequality at the micro scale: an empirical analysis of farm incomes within smallholder irrigation systems in Zimbabwe, Tanzania and Mozambique. International Journal of Water Resources Development. 36(sup1). S224–S245. 8 indexed citations

13.

Bjørnlund, Henning, et al.. (2020). Institutional innovation and smart water management technologies in small-scale irrigation schemes in southern Africa. Water International. 45(6). 621–650. 14 indexed citations

14.

Tui, Sabine Homann-Kee, Diego Valbuena, Patricia Masikati, et al.. (2014). Economic trade-offs of biomass use in crop-livestock systems: Exploring more sustainable options in semi-arid Zimbabwe. Agricultural Systems. 134. 48–60. 47 indexed citations

15.

Tui, Sabine Homann-Kee, Michael Blümmel, Diego Valbuena, et al.. (2013). Assessing the potential of dual-purpose maize in southern Africa: A multi-level approach. Field Crops Research. 153. 37–51. 18 indexed citations

16.

McGee, Jocelyn Shealy, C. van der Zaag, J. Galen Buckwalter, et al.. (2000). Issues for the Assessment of Visuospatial Skills in Older Adults Using Virtual Environment Technology. CyberPsychology & Behavior. 3(3). 469–482. 21 indexed citations

17.

Rizzo, A. A., J. Galen Buckwalter, Todd Bowerly, et al.. (2000). The Virtual Classroom: A Virtual Reality Environment for the Assessment and Rehabilitation of Attention Deficits. CyberPsychology & Behavior. 3(3). 483–499. 232 indexed citations

18.

Buckwalter, J. Galen, Ulrich Neumann, Clint Chua, et al.. (1999). Virtual Environments for Targeting Cognitive Processes: An Overview of Projects at the University of Southern California. CyberPsychology & Behavior. 2(2). 89–100. 17 indexed citations

19.

Larson, Peter J., A. A. Rizzo, J. Galen Buckwalter, et al.. (1999). Gender Issues in the Use of Virtual Environments. CyberPsychology & Behavior. 2(2). 113–123. 36 indexed citations

20.

Rizzo, Albert, J. Galen Buckwalter, Ulrich Neumann, et al.. (1998). The Virtual Reality Mental Rotation Spatial Skills Project. CyberPsychology & Behavior. 1(2). 113–119. 35 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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