Robert R. L. Guillard

21.8k total citations · 6 hit papers
51 papers, 13.2k citations indexed

About

Robert R. L. Guillard is a scholar working on Oceanography, Renewable Energy, Sustainability and the Environment and Biomaterials. According to data from OpenAlex, Robert R. L. Guillard has authored 51 papers receiving a total of 13.2k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Oceanography, 25 papers in Renewable Energy, Sustainability and the Environment and 13 papers in Biomaterials. Recurrent topics in Robert R. L. Guillard's work include Marine and coastal ecosystems (35 papers), Algal biology and biofuel production (25 papers) and Diatoms and Algae Research (13 papers). Robert R. L. Guillard is often cited by papers focused on Marine and coastal ecosystems (35 papers), Algal biology and biofuel production (25 papers) and Diatoms and Algae Research (13 papers). Robert R. L. Guillard collaborates with scholars based in United States, Norway and New Zealand. Robert R. L. Guillard's co-authors include John H. Ryther, Carl J. Lorenzen, Larry E. Brand, Maureen Keller, William G. Sunda, R. Selvin, John Waterbury, Stanley W. Watson, Lynda S. Murphy and Edward J. Carpenter and has published in prestigious journals such as Nature, Ecology and PLANT PHYSIOLOGY.

In The Last Decade

Robert R. L. Guillard

51 papers receiving 12.2k citations

Hit Papers

align trajectories sort by overperformance

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.

STUDIES OF MARINE PLANKTONIC DIATOMS: I. CYCLOTELLA NANA HUSTEDT, AND DETONULA CONFERVACEA (CLEVE) GRAN.

1962 6.8k citations Robert R. L. Guillard, John H. Ryther Canadian Journal of Microbiology profile →
YELLOW‐GREEN ALGAE WITH CHLOROPHYLLIDE C^1,²

1972 1.1k citations Robert R. L. Guillard, Carl J. Lorenzen Journal of Phycology profile →
MEDIA FOR THE CULTURE OF OCEANIC ULTRAPHYTOPLANKTON^1,2

1987 910 citations Maureen Keller, R. Selvin et al. Journal of Phycology profile →
Widespread occurrence of a unicellular, marine, planktonic, cyanobacterium

1979 661 citations John Waterbury, Stanley W. Watson et al. Nature profile →
Reduction of marine phytoplankton reproduction rates by copper and cadmium

1986 474 citations Larry E. Brand, Robert R. L. Guillard et al. Journal of Experimental Marine Biology and Ecology profile →
YELLOW-GREEN ALGAE WITH CHLOROPHYLLIDE C1,2

1972 429 citations Robert R. L. Guillard, Carl J. Lorenzen Journal of Phycology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Robert R. L. Guillard United States	35	7.4k	4.2k	3.7k	3.5k	3.0k	51	13.2k
John H. Ryther United States	43	8.7k 1.2×	4.2k 1.0×	3.3k 0.9×	3.1k 0.9×	1.8k 0.6×	98	14.7k
S. W. Jeffrey Australia	42	6.8k 0.9×	4.0k 1.0×	2.4k 0.6×	3.2k 0.9×	1.9k 0.6×	79	12.3k
Paul J. Harrison Canada	71	12.8k 1.7×	6.3k 1.5×	4.3k 1.2×	2.9k 0.8×	1.6k 0.5×	249	18.4k
John K. Volkman Australia	74	5.7k 0.8×	5.0k 1.2×	3.8k 1.0×	2.7k 0.7×	2.5k 0.8×	193	19.6k
John Beardall Australia	68	9.8k 1.3×	5.2k 1.2×	3.4k 0.9×	5.3k 1.5×	3.0k 1.0×	305	17.3k
John Strickland United States	34	10.1k 1.4×	5.7k 1.4×	4.0k 1.1×	1.1k 0.3×	658 0.2×	68	15.8k
Richard J. Geider United Kingdom	50	10.2k 1.4×	5.2k 1.3×	2.9k 0.8×	2.7k 0.8×	1.6k 0.5×	111	13.1k
Adrianna Ianora Italy	53	3.8k 0.5×	1.9k 0.4×	2.2k 0.6×	1.7k 0.5×	1.9k 0.6×	178	8.9k
Carl J. Lorenzen United States	34	7.1k 1.0×	3.9k 0.9×	3.2k 0.9×	884 0.2×	574 0.2×	39	10.1k
Lucas J. Stal Netherlands	55	4.7k 0.6×	5.3k 1.3×	2.9k 0.8×	1.7k 0.5×	2.3k 0.8×	167	10.2k

Countries citing papers authored by Robert R. L. Guillard

Since Specialization

Citations

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

Fields of papers citing papers by Robert R. L. Guillard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert R. L. Guillard. 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 Robert R. L. Guillard. The network helps show where Robert R. L. Guillard may publish in the future.

Co-authorship network of co-authors of Robert R. L. Guillard

This figure shows the co-authorship network connecting the top 25 collaborators of Robert R. L. Guillard. A scholar is included among the top collaborators of Robert R. L. Guillard 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 Robert R. L. Guillard. Robert R. L. Guillard 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

Guillard, Robert R. L., Maureen Keller, Charles J. O’Kelly, & Gary L. Floyd. (1991). PYCNOCOCCUS PROVASOLII GEN. ET SP. NOV., A COCCOID PRASINOXANTHIN‐CONTAINING PHYTOPLANKTER FROM THE WESTERN NORTH ATLANTIC AND GULF OF MEXICO¹. Journal of Phycology. 27(1). 39–47. 56 indexed citations

Guillard, Robert R. L.. (1988). The Center for Culture of Marine Phytoplankton: History, Structure, Function, and Future¹. The Journal of Protozoology. 35(2). 255–256. 6 indexed citations

Bidigare, Robert R., et al.. (1988). COCCOID EUKARYOTIC MARINE ULTRAPLANKTERS WITH FOUR DIFFERENT HPLC PIGMENT SIGNATURES. Journal of Phycology. 24(4). 571–580. 83 indexed citations

Keller, Maureen, Wendy K. Bellows, & Robert R. L. Guillard. (1988). Microwave treatment for sterilization of phytoplankton culture media. Journal of Experimental Marine Biology and Ecology. 117(3). 279–283. 142 indexed citations

Keller, Maureen, et al.. (1987). MEDIA FOR THE CULTURE OF OCEANIC ULTRAPHYTOPLANKTON^1,2. Journal of Phycology. 23(4). 633–638. 910 indexed citations breakdown →

Glover, Hilary E., Maureen Keller, & Robert R. L. Guillard. (1986). Light quality and oceanic ultraphytoplankters. Nature. 319(6049). 142–143. 96 indexed citations

Tangen, Karl Inge, Larry E. Brand, Patricia Blackwelder, & Robert R. L. Guillard. (1982). Thoracosphaera heimii (Lohmann) Kamptner is a dinophyte: Observations on its morphology and life cycle. Marine Micropaleontology. 7(3). 193–212. 98 indexed citations

Waterbury, John, Stanley W. Watson, Robert R. L. Guillard, & Larry E. Brand. (1979). Widespread occurrence of a unicellular, marine, planktonic, cyanobacterium. Nature. 277(5694). 293–294. 661 indexed citations breakdown →

Liaaen‐Jensen, Synnøve, et al.. (1977). Carotenoids of Prymnesiophyceae (Haptophyceae). Biochemical Systematics and Ecology. 5(2). 71–75. 36 indexed citations

10.

Nelson, David M., John J. Goering, Susan S. Kilham, & Robert R. L. Guillard. (1976). KINETICS OF SILICIC ACID UPTAKE AND RATES OF SILICA DISSOLUTION IN THE MARINE DIATOM THALASSIOSIRA PSEUDONANA1,2. Journal of Phycology. 12(2). 246–252. 17 indexed citations

11.

Klaveness, Dag & Robert R. L. Guillard. (1975). THE REQUIREMENT FOR SILICON IN SYNURA PETERSENII (CHRYSOPHYCEAE)1,2. Journal of Phycology. 11(3). 349–355. 3 indexed citations

12.

Haines, Kenneth C. & Robert R. L. Guillard. (1974). GROWTH OF VITAMIN B₁₂‐REQUIRING MARINE DIATOMS IN MIXED LABORATORY CULTURES WITH VITAMIN B₁₂‐PRODUCING MARINE BACTERIA¹². Journal of Phycology. 10(3). 245–252. 80 indexed citations

13.

Guillard, Robert R. L., Peter Kilham, & Togwell A. Jackson. (1973). KINETICS OF SILICON‐LIMITED GROWTH IN THE MARINE DIATOM THALASSIOSIRA PSEUDONANA HASLE AND HEIMDAL (=CYCLOTELLA NANA HUSTEDT)^1,². Journal of Phycology. 9(3). 233–237. 96 indexed citations

14.

Guillard, Robert R. L. & Carl J. Lorenzen. (1972). YELLOW-GREEN ALGAE WITH CHLOROPHYLLIDE C1,2. Journal of Phycology. 8(1). 10–14. 429 indexed citations breakdown →

15.

Guillard, Robert R. L. & Carl J. Lorenzen. (1972). YELLOW‐GREEN ALGAE WITH CHLOROPHYLLIDE C^1,². Journal of Phycology. 8(1). 10–14. 1056 indexed citations breakdown →

16.

Carpenter, Edward J. & Robert R. L. Guillard. (1971). Intraspecific Differences in Nitrate Half‐Saturation Constants for Three Species of Marine Phytoplankton. Ecology. 52(1). 183–185. 193 indexed citations

17.

Guillard, Robert R. L.. (1968). B₁₂ SPECIFICITY OF MARINE CENTRIC DIATOMS^{1, 2}. Journal of Phycology. 4(1). 59–64. 41 indexed citations

18.

Reimann, Bernhard E. F., et al.. (1963). Cyclotella cryptica, a New Brackish-Water Diatom Species. Phycologia. 3(2). 75–84. 54 indexed citations

19.

Guillard, Robert R. L. & John H. Ryther. (1962). STUDIES OF MARINE PLANKTONIC DIATOMS: I. CYCLOTELLA NANA HUSTEDT, AND DETONULA CONFERVACEA (CLEVE) GRAN.. Canadian Journal of Microbiology. 8(2). 229–239. 6758 indexed citations breakdown →

20.

Guillard, Robert R. L. & Peter J. Wangersky. (1958). The Production of Extracellular Carbohydrates by Some Marine Flagellates1. Limnology and Oceanography. 3(4). 449–454. 112 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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