Julie La Roche

9.6k total citations · 2 hit papers
23 papers, 4.1k citations indexed

About

Julie La Roche is a scholar working on Oceanography, Ecology and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Julie La Roche has authored 23 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Oceanography, 11 papers in Ecology and 7 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Julie La Roche's work include Marine and coastal ecosystems (16 papers), Microbial Community Ecology and Physiology (9 papers) and Algal biology and biofuel production (7 papers). Julie La Roche is often cited by papers focused on Marine and coastal ecosystems (16 papers), Microbial Community Ecology and Physiology (9 papers) and Algal biology and biofuel production (7 papers). Julie La Roche collaborates with scholars based in United States, United Kingdom and Canada. Julie La Roche's co-authors include Richard J. Geider, Matthew M. Mills, Céline Ridame, Margaret Davey, Miguel Olaizola, Richard M. Greene, R. Michael L. McKay, Philip W. Boyd, Paul G. Falkowski and Zbigniew Kolber and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and SHILAP Revista de lepidopterología.

In The Last Decade

Julie La Roche

22 papers receiving 4.0k 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.

Redfield revisited: variability of C:N:P in marine microalgae and its biochemical basis

2002 1.1k citations Richard J. Geider, Julie La Roche European Journal of Phycology profile →
Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic

2004 767 citations Matthew M. Mills, Céline Ridame et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Julie La Roche United States	21	2.8k	1.6k	843	790	748	23	4.1k
Anita G. J. Buma Netherlands	40	2.7k 0.9×	1.5k 0.9×	737 0.9×	858 1.1×	450 0.6×	113	4.0k
Marcel J.W. Veldhuis Netherlands	44	3.5k 1.2×	2.3k 1.4×	1.0k 1.2×	476 0.6×	757 1.0×	73	4.9k
E. Walter Helbling Argentina	41	3.6k 1.3×	1.9k 1.2×	1.5k 1.8×	1.3k 1.6×	421 0.6×	130	5.9k
Patrick J. Neale United States	40	3.3k 1.2×	1.6k 1.0×	1.4k 1.6×	894 1.1×	587 0.8×	117	5.1k
Hugh L. MacIntyre United States	30	3.8k 1.4×	1.7k 1.1×	1.2k 1.5×	889 1.1×	500 0.7×	51	4.8k
Jacco C. Kromkamp Netherlands	38	3.3k 1.2×	1.8k 1.1×	1.4k 1.7×	687 0.9×	408 0.5×	106	4.4k
Klaas R. Timmermans Netherlands	43	3.2k 1.1×	1.7k 1.0×	775 0.9×	460 0.6×	356 0.5×	111	5.1k
John T. O. Kirk Australia	14	3.6k 1.3×	1.7k 1.1×	1.3k 1.6×	398 0.5×	560 0.7×	28	5.3k
Gunter O. Kirst Germany	31	2.5k 0.9×	1.1k 0.7×	564 0.7×	746 0.9×	533 0.7×	86	4.0k
Charles G. Trick Canada	35	2.9k 1.0×	1.6k 1.0×	2.2k 2.7×	468 0.6×	791 1.1×	89	4.9k

Countries citing papers authored by Julie La Roche

Since Specialization

Citations

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

Fields of papers citing papers by Julie La Roche

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Julie La Roche. 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 Julie La Roche. The network helps show where Julie La Roche may publish in the future.

Co-authorship network of co-authors of Julie La Roche

This figure shows the co-authorship network connecting the top 25 collaborators of Julie La Roche. A scholar is included among the top collaborators of Julie La Roche 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 Julie La Roche. Julie La Roche 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

Roche, Julie La, et al.. (2020). Effects of the electromagnetic field of Wi-Fi systems and experimental gadget M4 on growth, development and photosynthesis of wheat. SHILAP Revista de lepidopterología. 85-86.

Sperling, Martin, Judith Piontek, Gunnar Gerdts, et al.. (2013). Effect of elevated CO ₂ on the dynamics of particle-attached and free-living bacterioplankton communities in an Arctic fjord. Biogeosciences. 10(1). 181–191. 30 indexed citations

Moore, C. Mark, Matthew M. Mills, Rebecca Langlois, et al.. (2008). Relative influence of nitrogen and phosphorous availability on phytoplankton physiology and productivity in the oligotrophic sub‐tropical North Atlantic Ocean. Limnology and Oceanography. 53(1). 291–305. 187 indexed citations

Moore, C. Mark, Matthew M. Mills, Angela Milne, et al.. (2006). Iron limits primary productivity during spring bloom development in the central North Atlantic. Global Change Biology. 12(4). 626–634. 114 indexed citations

Mills, Matthew M., Céline Ridame, Margaret Davey, Julie La Roche, & Richard J. Geider. (2004). Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic. Nature. 429(6989). 292–294. 767 indexed citations breakdown →

Geider, Richard J. & Julie La Roche. (2002). Redfield revisited: variability of C:N:P in marine microalgae and its biochemical basis. European Journal of Phycology. 37(1). 1–17. 1060 indexed citations breakdown →

Croot, Peter, Andrew R. Bowie, Russell Frew, et al.. (2001). Retention of dissolved iron and Fe^II in an iron induced Southern Ocean phytoplankton bloom. Geophysical Research Letters. 28(18). 3425–3428. 124 indexed citations

McKay, R. Michael L., Tracy A. Villareal, & Julie La Roche. (2000). VERTICAL MIGRATION BY RHIZOSOLENIA SPP. (BACILLARIOPHYCEAE): IMPLICATIONS FOR FE ACQUISITION. Journal of Phycology. 36(4). 669–674. 25 indexed citations

Roche, Julie La, R. Michael L. McKay, & Philip W. Boyd. (1999). Immunological and molecular probes to detect phytoplankton responses to environmental stress in nature. Hydrobiologia. 401(0). 177–198. 22 indexed citations

10.

Osborne, Colin P., Julie La Roche, Richard L. Garcia, et al.. (1998). Does Leaf Position within a Canopy Affect Acclimation of Photosynthesis to Elevated CO2?1. PLANT PHYSIOLOGY. 117(3). 1037–1045. 74 indexed citations

11.

Partensky, Frédéric, Julie La Roche, Kevin Wyman, & Paul G. Falkowski. (1997). The divinyl-chlorophyll a/b-protein complexes of two strains of the oxyphototrophic marine prokaryote Prochlorococcus – characterization and response to changes in growth irradiance. Photosynthesis Research. 51(3). 209–222. 48 indexed citations

12.

Graziano, Lisa M., Julie La Roche, & Richard J. Geider. (1996). PHYSIOLOGICAL RESPONSES TO PHOSPHORUS LIMITATION IN BATCH AND STEADY‐STATE CULTURES OF DUNALIELLA TERTIOLECTA (CHLOROPHYTA): A UNIQUE STRESS PROTEIN AS AN INDICATOR OF PHOSPHATE DEFICIENCY¹. Journal of Phycology. 32(5). 825–838. 37 indexed citations

13.

Roche, Julie La, Philip W. Boyd, R. Michael L. McKay, & Richard J. Geider. (1996). Flavodoxin as an in situ marker for iron stress in phytoplankton. Nature. 382(6594). 802–805. 224 indexed citations

14.

Roche, Julie La, et al.. (1995). FLAVODOXIN EXPRESSION AS AN INDICATOR OF IRON LIMITATION IN MARINE DIATOMS¹. Journal of Phycology. 31(4). 520–530. 61 indexed citations

15.

Olaizola, Miguel, Julie La Roche, Zbigniew Kolber, & Paul G. Falkowski. (1994). Non-photochemical fluorescence quenching and the diadinoxanthin cycle in a marine diatom. Photosynthesis Research. 41(2). 357–370. 215 indexed citations

16.

Geider, Richard J. & Julie La Roche. (1994). The role of iron in phytoplankton photosynthesis, and the potential for iron-limitation of primary productivity in the sea. Photosynthesis Research. 39(3). 275–301. 352 indexed citations

17.

Roche, Julie La, et al.. (1993). INDUCTION OF SPECIFIC PROTEINS IN EUKARYOTIC ALGAE GROWN UNDER IRON‐, PHOSPHORUS‐, OR NITROGEN‐DEFICIENT CONDITIONS¹. Journal of Phycology. 29(6). 767–777. 117 indexed citations

18.

Geider, Richard J., Julie La Roche, Richard M. Greene, & Miguel Olaizola. (1993). RESPONSE OF THE PHOTOSYNTHETIC APPARATUS OF PHAEODACTYLUM TRICORNUTUM (BACILLARIOPHYCEAE) TO NITRATE, PHOSPHATE, OR IRON STARVATION¹. Journal of Phycology. 29(6). 755–766. 350 indexed citations

19.

Roche, Julie La, et al.. (1990). Molecular characterization of a repeat element causing large-scale size variation in the mitochondrial DNA of the sea scallop Placopecten magellanicus.. Molecular Biology and Evolution. 7(1). 45–64. 67 indexed citations

20.

Roche, Julie La. (1983). Ammonium regeneration: its contribution to phytoplankton nitrogen requirements in a eutrophic environment. Marine Biology. 75(2-3). 231–240. 46 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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