Grant C. Pitcher

7.7k total citations · 1 hit paper
82 papers, 3.1k citations indexed

About

Grant C. Pitcher is a scholar working on Oceanography, Environmental Chemistry and Global and Planetary Change. According to data from OpenAlex, Grant C. Pitcher has authored 82 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 64 papers in Oceanography, 32 papers in Environmental Chemistry and 27 papers in Global and Planetary Change. Recurrent topics in Grant C. Pitcher's work include Marine and coastal ecosystems (56 papers), Marine Biology and Ecology Research (37 papers) and Marine Toxins and Detection Methods (21 papers). Grant C. Pitcher is often cited by papers focused on Marine and coastal ecosystems (56 papers), Marine Biology and Ecology Research (37 papers) and Marine Toxins and Detection Methods (21 papers). Grant C. Pitcher collaborates with scholars based in South Africa, United States and Germany. Grant C. Pitcher's co-authors include Trevor A. Probyn, Vera L. Trainer, F. G. Figueiras, Dale R. Calder, B.A. Mitchell-Innes, Stacey M. Etheridge, Patricia M. Glibert, Elisa Berdalet, Stewart Bernard and Raphael M. Kudela and has published in prestigious journals such as Limnology and Oceanography, Marine Pollution Bulletin and Marine Ecology Progress Series.

In The Last Decade

Grant C. Pitcher

82 papers receiving 2.9k 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.

Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts

2021 313 citations Gustaaf M. Hallegraeff, Donald M. Anderson et al. Communications Earth & Environment profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Grant C. Pitcher South Africa	32	2.3k	1.5k	931	582	416	82	3.1k
Robin Raine Ireland	29	1.5k 0.7×	1.2k 0.8×	679 0.7×	374 0.6×	393 0.9×	74	2.2k
Jacco C. Kromkamp Netherlands	38	3.3k 1.4×	1.4k 1.0×	1.8k 1.9×	614 1.1×	408 1.0×	106	4.4k
Hugh L. MacIntyre United States	30	3.8k 1.7×	1.2k 0.8×	1.7k 1.9×	782 1.3×	500 1.2×	51	4.8k
Evelyn J. Lessard United States	22	2.8k 1.2×	856 0.6×	1.5k 1.7×	654 1.1×	295 0.7×	28	3.4k
Bengt Karlson Sweden	21	1.6k 0.7×	1.2k 0.8×	915 1.0×	280 0.5×	381 0.9×	60	2.5k
Lars Edler Sweden	13	2.0k 0.9×	1.4k 1.0×	964 1.0×	353 0.6×	417 1.0×	24	2.7k
Suzanne Roy Canada	32	2.1k 0.9×	756 0.5×	1.3k 1.4×	596 1.0×	549 1.3×	67	3.1k
Paul K. Bienfang United States	29	2.3k 1.0×	869 0.6×	1.1k 1.1×	597 1.0×	204 0.5×	64	3.2k
Vanda Brotas Portugal	39	3.1k 1.3×	927 0.6×	1.5k 1.6×	729 1.3×	213 0.5×	111	4.1k
F. Xavier Niell Spain	33	2.5k 1.1×	663 0.4×	1.1k 1.2×	527 0.9×	269 0.6×	177	4.0k

Countries citing papers authored by Grant C. Pitcher

Since Specialization

Citations

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

Fields of papers citing papers by Grant C. Pitcher

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Grant C. Pitcher. 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 Grant C. Pitcher. The network helps show where Grant C. Pitcher may publish in the future.

Co-authorship network of co-authors of Grant C. Pitcher

This figure shows the co-authorship network connecting the top 25 collaborators of Grant C. Pitcher. A scholar is included among the top collaborators of Grant C. Pitcher 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 Grant C. Pitcher. Grant C. Pitcher 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

Siedlecki, Samantha, Julie Granger, Jennifer Veitch, et al.. (2025). Seasonal Source Water Changes and Winds Contribute to the Development of Hypoxia in St Helena Bay Within the Southern Benguela Upwelling System. Journal of Geophysical Research Oceans. 130(4). 1 indexed citations

Pitcher, Grant C., et al.. (2023). Water quality characteristics of Vanderkloof Dam and its potential for rainbow trout farming. Water SA. 49(2 April). 1 indexed citations

Pitcher, Grant C., et al.. (2023). Short-term dynamics of nano- and picoplankton production in an embayment of the southern Benguela upwelling region. Estuarine Coastal and Shelf Science. 284. 108285–108285. 2 indexed citations

Hallegraeff, Gustaaf M., Donald M. Anderson, Catherine Belin, et al.. (2021). Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts. Communications Earth & Environment. 2(1). 313 indexed citations breakdown →

Pitcher, Grant C. & Deon C. Louw. (2020). Harmful algal blooms of the Benguela eastern boundary upwelling system. Harmful Algae. 102. 101898–101898. 31 indexed citations

Pitcher, Grant C., et al.. (2018). Devastating farmed abalone mortalities attributed to yessotoxin-producing dinoflagellates. Harmful Algae. 81. 30–41. 55 indexed citations

Pitcher, Grant C., et al.. (2017). Harmful Algal Blooms in Eastern Boundary Upwelling Systems: A GEOHAB Core Research Project. Oceanography. 30(1). 22–35. 17 indexed citations

Kudela, Raphael M., Elisa Berdalet, Henrik Enevoldsen, et al.. (2017). GEOHAB–The Global Ecology and Oceanography of Harmful Algal Blooms Program: Motivation, Goals, and Legacy. Oceanography. 30(1). 12–21. 26 indexed citations

Pitcher, Grant C., F. G. Figueiras, Barbara M. Hickey, & Maria Teresa Moita. (2010). The physical oceanography of upwelling systems and the development of harmful algal blooms. Progress In Oceanography. 85(1-2). 5–32. 163 indexed citations

10.

Probyn, Trevor A., Stewart Bernard, Grant C. Pitcher, & Richard N. Pienaar. (2009). Ecophysiological studies on Aureococcus anophagefferens blooms in Saldanha Bay, South Africa. Harmful Algae. 9(2). 123–133. 32 indexed citations

11.

Pitcher, Grant C., et al.. (2008). Nearshore currents on the southern Namaqua shelf of the Benguela upwelling system. Continental Shelf Research. 28(8). 1026–1039. 31 indexed citations

12.

Blake, Norman J., et al.. (2008). The Reproductive Cycle of the Scallop Pecten sulcicostatus from the Southern Benguela Upwelling System. Journal of Shellfish Research. 27(2). 281–287. 7 indexed citations

13.

Weeks, Scarla, Grant C. Pitcher, & Stewart Bernard. (2004). Satellite Monitoring of the Evolution of a Coccolithophorid Bloom in the Southern Benguela Upwelling System. Oceanography. 17(1). 83–89. 17 indexed citations

14.

Botes, Lizeth, et al.. (2002). A simple and rapid scanning electron microscope preparative technique for delicate “gymnodinioid” dinoflagellates. Microscopy Research and Technique. 59(2). 128–130. 23 indexed citations

15.

Pitcher, Grant C., et al.. (2001). Paralytic Shellfish Poisoning in the abalone Haliotis midae on the West Coast of South Africa.. Journal of Shellfish Research. 20(2). 895–904. 37 indexed citations

16.

Probyn, Trevor A., et al.. (2001). Brown Tides and Mariculture in Saldanha Bay, South Africa. Marine Pollution Bulletin. 42(5). 405–408. 64 indexed citations

17.

Pitcher, Grant C., et al.. (2000). Abalone (Haliotis midae) farming and paralytic shellfish poisoning on the coast of South Africa. Journal of Shellfish Research. 528–528. 1 indexed citations

18.

Pitcher, Grant C., John J. Bolton, P. C. Brown, & L. Hutchings. (1993). The development of phytoplankton blooms in upwelled waters of the southern Benguela up welling system as determined by microcosm experiments. Journal of Experimental Marine Biology and Ecology. 165(2). 171–189. 14 indexed citations

19.

Mitchell-Innes, B.A. & Grant C. Pitcher. (1992). Hydrographic parameters as indicators of the suitability of phytoplankton populations as food for herbivorous copepods. South African Journal of Marine Science. 12(1). 355–365. 25 indexed citations

20.

Pitcher, Grant C.. (1988). Mesoscale heterogeneities of the phytoplankton distribution in St Helena Bay, South Africa, following an upwelling event. South African Journal of Marine Science. 7(1). 9–23. 21 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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