Gordon O’Brien

2.1k total citations · 1 hit paper
74 papers, 1.4k citations indexed

About

Gordon O’Brien is a scholar working on Nature and Landscape Conservation, Ecology and Aquatic Science. According to data from OpenAlex, Gordon O’Brien has authored 74 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Nature and Landscape Conservation, 29 papers in Ecology and 27 papers in Aquatic Science. Recurrent topics in Gordon O’Brien's work include Fish Ecology and Management Studies (45 papers), Fish Biology and Ecology Studies (24 papers) and Fish biology, ecology, and behavior (16 papers). Gordon O’Brien is often cited by papers focused on Fish Ecology and Management Studies (45 papers), Fish Biology and Ecology Studies (24 papers) and Fish biology, ecology, and behavior (16 papers). Gordon O’Brien collaborates with scholars based in South Africa, Australia and Netherlands. Gordon O’Brien's co-authors include Victor Wepener, Lesley Lovett Doust, Jon Lovett Doust, Colleen T. Downs, Samson Mukaratirwa, Martyn C. Lucas, Lee J. Baumgartner, Steven J. Cooke, Paulo dos Santos Pompeu and Ana Silva and has published in prestigious journals such as Journal of Hydrology, Sustainability and Ecological Indicators.

In The Last Decade

Gordon O’Brien

68 papers receiving 1.3k citations

Hit Papers

The future of fish passage science, engineering, and prac... 2017 2026 2020 2023 2017 100 200 300
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.

  1. The future of fish passage science, engineering, and practice
    2017 397 citations Martyn C. Lucas, Gordon O’Brien et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Gordon O’Brien South Africa 18 825 582 381 260 193 74 1.4k
Bronwyn Harch Australia 19 560 0.7× 753 1.3× 126 0.3× 294 1.1× 221 1.1× 44 1.6k
Vladica Simić Serbia 19 370 0.4× 552 0.9× 177 0.5× 117 0.5× 99 0.5× 102 1.1k
Shinji Fukuda Japan 17 427 0.5× 281 0.5× 105 0.3× 200 0.8× 143 0.7× 71 852
Andreas Melcher Austria 24 1.2k 1.4× 1.2k 2.0× 304 0.8× 384 1.5× 200 1.0× 50 1.7k
Gorka Merino Spain 21 376 0.5× 1.1k 1.9× 426 1.1× 76 0.3× 1.6k 8.4× 47 2.6k
Yusli Wardiatno Indonesia 19 143 0.2× 981 1.7× 650 1.7× 206 0.8× 311 1.6× 253 1.9k
José A. Fernandes Spain 27 322 0.4× 824 1.4× 136 0.4× 108 0.4× 1.2k 6.4× 76 2.1k
Lizhu Wang United States 26 981 1.2× 981 1.7× 136 0.4× 544 2.1× 193 1.0× 69 1.8k
Armin Peter Switzerland 25 1.0k 1.3× 926 1.6× 228 0.6× 429 1.6× 231 1.2× 55 1.9k
Sara Hornborg Sweden 18 143 0.2× 518 0.9× 305 0.8× 77 0.3× 713 3.7× 39 1.4k

Countries citing papers authored by Gordon O’Brien

Since Specialization
Citations

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

Fields of papers citing papers by Gordon O’Brien

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gordon O’Brien. 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 Gordon O’Brien. The network helps show where Gordon O’Brien may publish in the future.

Co-authorship network of co-authors of Gordon O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Gordon O’Brien. A scholar is included among the top collaborators of Gordon O’Brien 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 Gordon O’Brien. Gordon O’Brien is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Downs, Colleen T., et al.. (2025). Assessment of the ecological integrity and fish community structures of the uMngeni River, KwaZulu-Natal, South Africa. African Journal of Aquatic Science. 50(4). 245–265.
3.
Whitney, Cory, et al.. (2024). Balancing ecosystem sustainability and irrigated smallholder agriculture: A modeling approach for water resource management. Journal of Hydrology. 651. 132560–132560. 3 indexed citations
4.
O’Brien, Gordon, et al.. (2024). If a fish comes out of the river and speaks, we should believe it: South African perspective on fish kills. River Research and Applications. 41(2). 426–447.
5.
O’Brien, Gordon, et al.. (2024). Potential for a commercial inland fishery or just another water storage facility at Spring Grove Dam, KwaZulu-Natal, South Africa?. African Journal of Aquatic Science. 49(2). 145–158. 1 indexed citations
6.
Jewitt, Graham, et al.. (2023). Detecting changes in fish behaviour in real time to alert managers to thresholds of potential concern. River Research and Applications. 40(1). 129–147. 5 indexed citations
7.
Arthington, Angela H., David Tickner, Michael E. McClain, et al.. (2023). Accelerating environmental flow implementation to bend the curve of global freshwater biodiversity loss. Environmental Reviews. 32(3). 387–413. 28 indexed citations
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O’Brien, Gordon, et al.. (2023). The status of COI and 12S rRNA DNA barcode reference libraries for freshwater fish in South Africa: Implications for future eDNA projects. African Zoology. 58(3-4). 97–105. 3 indexed citations
10.
Kuehne, Lauren M., Chris Dickens, David Tickner, et al.. (2023). The future of global river health monitoring. PLOS Water. 2(9). e0000101–e0000101. 11 indexed citations
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Dalu, Tatenda, et al.. (2022). Functional Responses and Additive Multiple Predator Effects of Two Common Wetland Fish. Water. 14(5). 699–699.
13.
O’Brien, Gordon, Nico J. Smit, & Victor Wepener. (2021). Regional Scale Risk to the Ecological Sustainability and Ecosystem Services of an African Floodplain System. Risk Analysis. 41(10). 1925–1952. 6 indexed citations
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15.
Lucas, Martyn C., et al.. (2020). African freshwater eel species (Anguilla spp.) identification through DNA barcoding. Marine and Freshwater Research. 71(11). 1543–1548. 8 indexed citations
16.
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O’Brien, Gordon, et al.. (2018). A regional-scale ecological risk framework for environmental flow evaluations. Hydrology and earth system sciences. 22(2). 957–975. 66 indexed citations
18.
O’Brien, Gordon, et al.. (2016). Diel movement of smallmouth yellowfish Labeobarbus aeneus in the Vaal River, South Africa. African Journal of Aquatic Science. 41(1). 73–76. 9 indexed citations
19.
O’Brien, Gordon, et al.. (2013). Habitat preferences and movement of adult yellowfishes in the Vaal River, South Africa : research article. South African Journal of Science. 109. 1–8. 3 indexed citations
20.
O’Brien, Gordon. (1976). A reducibility theorem for smooth quasiperiodic linear systems. Journal of Differential Equations. 22(2). 314–330. 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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