Alan T. Critchley

13.9k total citations · 5 hit papers
187 papers, 9.7k citations indexed

About

Alan T. Critchley is a scholar working on Oceanography, Aquatic Science and Plant Science. According to data from OpenAlex, Alan T. Critchley has authored 187 papers receiving a total of 9.7k indexed citations (citations by other indexed papers that have themselves been cited), including 116 papers in Oceanography, 86 papers in Aquatic Science and 71 papers in Plant Science. Recurrent topics in Alan T. Critchley's work include Marine and coastal plant biology (113 papers), Seaweed-derived Bioactive Compounds (77 papers) and Plant Growth Enhancement Techniques (53 papers). Alan T. Critchley is often cited by papers focused on Marine and coastal plant biology (113 papers), Seaweed-derived Bioactive Compounds (77 papers) and Plant Growth Enhancement Techniques (53 papers). Alan T. Critchley collaborates with scholars based in Canada, South Africa and Philippines. Alan T. Critchley's co-authors include Balakrishnan Prithiviraj, Anicia Q. Hurtado, Wajahatullah Khan, D. Mark Hodges, J. S. Craigie, Pushp Sheel Shukla, Leonel Pereira, M. N. Jithesh, Jeff Norrie and Jeff T. Hafting and has published in prestigious journals such as Nature Communications, PLoS ONE and Applied and Environmental Microbiology.

In The Last Decade

Alan T. Critchley

180 papers receiving 9.1k citations

Hit Papers

5 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.

Seaweed Extracts as Biostimulants of Plant Growth and Development

2009 1.2k citations Wajahatullah Khan, Alan T. Critchley et al. profile →
Seaweed production: overview of the global state of exploitation, farming and emerging research activity

2017 486 citations Alan T. Critchley et al. profile →
Identification of selected seaweed polysaccharides (phycocolloids) by vibrational spectroscopy (FTIR-ATR and FT-Raman)

2008 414 citations Leonel Pereira, Alan T. Critchley et al. Food Hydrocolloids profile →
Ascophyllum nodosum-Based Biostimulants: Sustainable Applications in Agriculture for the Stimulation of Plant Growth, Stress Tolerance, and Disease Management

2019 329 citations Pushp Sheel Shukla, Alan T. Critchley et al. profile →
Immunomodulation by xylan and carrageenan-type polysaccharides from red seaweeds: Anti-inflammatory, wound healing, cytoprotective, and anticoagulant activities

2024 38 citations Amal D. Premarathna, Tamer A. Ahmed et al. International Journal of Biological Macromolecules profile →

Peers

Alan T. Critchley

OCEAN

ECOLO

RESE

Bernard Kloareg France

J. S. Craigie Canada

C. R. K. Reddy India

Nicholas A. Paul Australia

Daniel Robledo Mexico

Ana M. M. Gonçalves Portugal

Marie Magnusson Australia

Giuseppe Colla Italy

Henrik Pavia Sweden

Thierry Tonon France

Bernard Kloareg France

Alan T. Critchley

3.3k ×0.7

OCEAN

2.0k ×0.5

3.7k ×1.0

1.4k ×1.3

ECOLO

1.4k ×1.5

RESE

Citations per year, relative to Alan T. Critchley Alan T. Critchley (= 1×) peers Bernard Kloareg

Countries citing papers authored by Alan T. Critchley

Since Specialization

Citations

This map shows the geographic impact of Alan T. Critchley'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 Alan T. Critchley with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alan T. Critchley more than expected).

Fields of papers citing papers by Alan T. Critchley

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan T. Critchley. 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 Alan T. Critchley. The network helps show where Alan T. Critchley may publish in the future.

Co-authorship network of co-authors of Alan T. Critchley

This figure shows the co-authorship network connecting the top 25 collaborators of Alan T. Critchley. A scholar is included among the top collaborators of Alan T. Critchley 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 Alan T. Critchley. Alan T. Critchley 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

Friedlander, Michael J. & Alan T. Critchley. (2025). Mini review: The genus Porphyra sensu lato (Bangiales, Rhodophyta), its pests and defence. Aquaculture International. 33(3).

Roleda, Michael Y., Albaris B. Tahiluddin, Iain C. Neish, & Alan T. Critchley. (2025). Shot in the Foot: Unintended Consequences of Using Inorganic Fertilizer in Commercial Tropical Eucheumatoid Seaweed Farming. Reviews in Aquaculture. 17(2).

Premarathna, Amal D., Tamer A. Ahmed, Vitālijs Rjabovs, et al.. (2024). Extraction and functional characterization of fucoidans and alginates from Ecklonia maxima: A focus on skin, immune, and intestinal health. Food Hydrocolloids. 159. 110668–110668. 10 indexed citations

Friedlander, Michael J. & Alan T. Critchley. (2024). Mini review: The genus Gracilaria, its pests and defense. Journal of Applied Phycology. 37(1). 445–457.

Friedlander, Michael J. & Alan T. Critchley. (2024). The cultivated genus Ulva, its pests, and defence. Aquaculture International. 32(7). 9005–9015. 1 indexed citations

Borlongan, Iris Ann, et al.. (2024). Applications of liquid extracts from the brown algae Ascophyllum nodosum (Fucales) and Laminaria digitata (Laminariales) to enhance the growth of eucheumatoids in tissue culture. Aquaculture International. 32(6). 8649–8665. 1 indexed citations

Premarathna, Amal D., Tamer A. Ahmed, Vitālijs Rjabovs, et al.. (2024). Green seaweed-derived polysaccharides: Insights into various bioactivities for biomedical applications. International Journal of Biological Macromolecules. 282(Pt 4). 136858–136858. 2 indexed citations

Cotas, João, et al.. (2024). Advanced Extraction Techniques and Physicochemical Properties of Carrageenan from a Novel Kappaphycus alvarezii Cultivar. Marine Drugs. 22(11). 491–491. 17 indexed citations

Premarathna, Amal D., Sanjida Humayun, Vitālijs Rjabovs, et al.. (2024). Ulvans, sulfated β-d-galactans and xyloarabinogalactan: A comparative approach to extraction, structural characterization and antioxidant activity assessment. Food Hydrocolloids. 156. 110321–110321. 5 indexed citations

10.

Premarathna, Amal D., Garima Kulshreshtha, Sanjida Humayun, et al.. (2023). Polysaccharides from red seaweeds: Effect of extraction methods on physicochemical characteristics and antioxidant activities. Food Hydrocolloids. 147. 109307–109307. 65 indexed citations

11.

Umanzor, Schery, et al.. (2022). Ascertaining the interactions of brown seaweed-derived biostimulants and seawater temperature on spore release, germination, conchocelis, and newly formed blades of the commercially important red alga Neopyropia yezoensis?. Algal Research. 64. 102692–102692. 8 indexed citations

12.

Shukla, Pushp Sheel, Tudor Borza, Alan T. Critchley, & Balakrishnan Prithiviraj. (2021). Seaweed-Based Compounds and Products for Sustainable Protection against Plant Pathogens. Marine Drugs. 19(2). 59–59. 64 indexed citations

13.

Pérez‐Lloréns, José Lucas, et al.. (2020). Seaweeds in mythology, folklore, poetry, and life. Journal of Applied Phycology. 32(5). 3157–3182. 35 indexed citations

14.

Umanzor, Schery, et al.. (2020). Optimizing the application of selected biostimulants to enhance the growth of Eucheumatopsis isiformis, a carrageenophyte with commercial value, as grown in land-based nursery systems. Journal of Applied Phycology. 32(3). 1917–1922. 17 indexed citations

15.

Kulshreshtha, Garima, Alan T. Critchley, Bruce Rathgeber, et al.. (2020). Antimicrobial Effects of Selected, Cultivated Red Seaweeds and Their Components in Combination with Tetracycline, against Poultry Pathogen Salmonella Enteritidis. Journal of Marine Science and Engineering. 8(7). 511–511. 12 indexed citations

16.

Mouritsen, Ole G., et al.. (2020). Saved by seaweeds: phyconomic contributions in times of crises. Journal of Applied Phycology. 33(1). 443–458. 27 indexed citations

17.

Hurtado, Anicia Q., Iain C. Neish, & Alan T. Critchley. (2019). Phyconomy: the extensive cultivation of seaweeds, their sustainability and economic value, with particular reference to important lessons to be learned and transferred from the practice of eucheumatoid farming. Phycologia. 58(5). 472–483. 77 indexed citations

18.

Critchley, Alan T., et al.. (2009). Nineteenth International Seaweed Symposium Proceedings of the 19th International Seaweed Symposium, held in Kobe, Japan, 26-31 March, 2007. Springer eBooks. 1 indexed citations

19.

Rindi, Fabio, et al.. (2003). The distribution of some species of Trentepohliaceae (Trentepohliales, Chlorophyta) in France. Università Politecnica delle Marche (Università Politecnica delle Marche). 8 indexed citations

20.

Kandasamy, Saveetha, Wajahatullah Khan, Garima Kulshreshtha, et al.. (1970). The fucose containing polymer (FCP) rich fraction of Ascophyllum nodosum (L.) Le Jol. protects Caenorhabditis elegans against Pseudomonas aeruginosa by triggering innate immune signaling pathways and suppression of pathogen virulence factors. ALGAE. 30(2). 147–161. 6 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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