Jørn Olsen

17.6k total citations · 1 hit paper
269 papers, 12.4k citations indexed

About

Jørn Olsen is a scholar working on Oceanography, Ecology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Jørn Olsen has authored 269 papers receiving a total of 12.4k indexed citations (citations by other indexed papers that have themselves been cited), including 117 papers in Oceanography, 77 papers in Ecology and 53 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Jørn Olsen's work include Marine and coastal plant biology (113 papers), Marine Biology and Ecology Research (69 papers) and Pregnancy and Medication Impact (40 papers). Jørn Olsen is often cited by papers focused on Marine and coastal plant biology (113 papers), Marine Biology and Ecology Research (69 papers) and Pregnancy and Medication Impact (40 papers). Jørn Olsen collaborates with scholars based in Netherlands, Denmark and United States. Jørn Olsen's co-authors include Wytze T. Stam, Henrik Toft Sørensen, Galice Hoarau, James A. Coyer, Thorsten B. H. Reusch, Madeleine J. H. van Oppen, W. T. STAM, Svend‎ Sabroe, Gabriele Procaccini and A.D. Rijnsdorp and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Jørn Olsen

263 papers receiving 11.8k 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.

Paracetamol use during pregnancy — a call for precautionary action

2021 117 citations Ann Z. Bauer, Shanna H. Swan et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jørn Olsen Netherlands	63	5.3k	4.3k	1.9k	1.7k	1.6k	269	12.4k
Jean M. Lawrence United States	73	2.5k 0.5×	1.2k 0.3×	4.6k 2.4×	2.4k 1.4×	1.8k 1.2×	505	22.8k
David A. Armstrong United States	53	1.5k 0.3×	2.8k 0.6×	352 0.2×	518 0.3×	2.4k 1.5×	183	7.7k
Mark P. Johnson United States	63	1.2k 0.2×	1.4k 0.3×	634 0.3×	3.8k 2.2×	1.4k 0.9×	495	15.6k
Robert Olson United States	65	6.3k 1.2×	7.8k 1.8×	236 0.1×	368 0.2×	2.5k 1.6×	326	17.2k
Christian Albrecht Germany	34	776 0.1×	2.8k 0.6×	729 0.4×	435 0.3×	413 0.3×	160	7.1k
T. R. E. Southwood United Kingdom	50	387 0.1×	4.6k 1.1×	1.6k 0.9×	1.2k 0.7×	1.2k 0.7×	170	17.8k
Stuart Campbell United Kingdom	45	1.3k 0.3×	2.7k 0.6×	153 0.1×	853 0.5×	1.8k 1.1×	158	6.8k
Jane Hughes Australia	49	419 0.1×	3.8k 0.9×	2.9k 1.5×	398 0.2×	837 0.5×	423	9.8k
D. James Harris Portugal	50	338 0.1×	2.4k 0.6×	4.0k 2.1×	529 0.3×	3.5k 2.3×	361	10.4k
Kathryn L. Cottingham United States	44	1.7k 0.3×	3.5k 0.8×	379 0.2×	219 0.1×	1.4k 0.9×	114	7.9k

Countries citing papers authored by Jørn Olsen

Since Specialization

Citations

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

Fields of papers citing papers by Jørn Olsen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jørn Olsen. 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 Jørn Olsen. The network helps show where Jørn Olsen may publish in the future.

Co-authorship network of co-authors of Jørn Olsen

This figure shows the co-authorship network connecting the top 25 collaborators of Jørn Olsen. A scholar is included among the top collaborators of Jørn Olsen 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 Jørn Olsen. Jørn Olsen 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

Hansen, Johnni, et al.. (2023). Hyperemesis gravidarum and the risk of childhood cancer – A case-control study in Denmark. Cancer Epidemiology. 87. 102472–102472. 8 indexed citations

Bauer, Ann Z., Shanna H. Swan, David Kriebel, et al.. (2022). Paracetamol Use During Pregnancy—A Call for Precautionary Action. Obstetrical & Gynecological Survey. 77(3). 133–134.

Jahnke, Marlene, Per‐Olav Moksnes, Jørn Olsen, et al.. (2020). Integrating genetics, biophysical, and demographic insights identifies critical sites for seagrass conservation. Ecological Applications. 30(6). e02121–e02121. 28 indexed citations

Cnattingius, Sven, Jing Li, Wei Dong, et al.. (2019). Maternal bereavement shortly before or during pregnancy and risk of postpartum psychotic illness: a population-based study from Denmark and Sweden. SHILAP Revista de lepidopterología. 1 indexed citations

Tegethoff, Marion, Naomi Greene, Jørn Olsen, Emmanuel Schaffner, & Gunther Meinlschmidt. (2011). Inhaled Glucocorticoids during Pregnancy and Offspring Pediatric Diseases: A National Cohort Study. American Journal of Respiratory and Critical Care Medicine. 185(5). 557–563. 34 indexed citations

Mieog, Jos C., Jørn Olsen, Ray Berkelmans, et al.. (2009). The Roles and Interactions of Symbiont, Host and Environment in Defining Coral Fitness. PLoS ONE. 4(7). e6364–e6364. 144 indexed citations

Poortvliet, Marloes, Jørn Olsen, Kimberly A. Selkoe, James A. Coyer, & Giacomo Bernardi. (2009). Isolation and characterization of 11 microsatellite primers for a temperate reef fish, the California sheephead (Semicossyphus pulcher). Molecular Ecology Resources. 9(1). 429–430. 2 indexed citations

Coyer, James A., Galice Hoarau, Kjersti Sjøtun, & Jørn Olsen. (2008). Being abundant is not enough: a decrease in effective population size over eight generations in a Norwegian population of the seaweed, Fucus serratus. Biology Letters. 4(6). 755–757. 16 indexed citations

Stam, Wytze T., et al.. (2006). A forensic and phylogenetic survey of Caulerpa species (Caulerpales, Chlorophyta) from the Florida coast, local aquarium shops, and e-commerce. Journal of Phycology. 42(5). 1113–1124. 2 indexed citations

10.

Morales‐Suárez‐Varela, María, Jørn Olsen, Preben Johansen, et al.. (2004). Occupational Risk Factors for Mycosis Fungoides: A European Multicenter Case-Control Study. Journal of Occupational and Environmental Medicine. 46(3). 205–211. 36 indexed citations

11.

Nielsen, Gunnar Lauge, et al.. (2002). Short‐term complications after surgically induced abortions: a register‐based study of 56 117 abortions. Acta Obstetricia Et Gynecologica Scandinavica. 81(4). 331–336. 39 indexed citations

12.

Wei, Yuan, Olga Basso, Henrik Toft Sørensen, & Jørn Olsen. (2001). Indicators of fetal growth and infectious disease in childhood – a birth cohort with hospitalization as outcome. European Journal of Epidemiology. 17(9). 829–834. 22 indexed citations

13.

Zhou, Weijin, Gunnar Lauge Nielsen, Helle Daugaard Larsen, & Jørn Olsen. (2001). Induced abortion and placenta complications in the subsequent pregnancy. Acta Obstetricia Et Gynecologica Scandinavica. 80(12). 1115–1120. 1 indexed citations

14.

Diekmann, Onno E., et al.. (2001). Molecular genetic evidence for probable reticulate speciation in the coral genus Madracis from a Caribbean fringing reef slope. Marine Biology. 139(2). 221–233. 100 indexed citations

15.

Engelen, Aschwin H., Jørn Olsen, A. M. Breeman, & Wytze T. Stam. (2001). Genetic differentiation in Sargassum polyceratium (Fucales: Phaeophyceae) around the island of Curaçao (Netherlands Antilles). Marine Biology. 139(2). 267–277. 42 indexed citations

16.

Olsen, Jørn, et al.. (1999). Reply to comment by Chisholm and Jaubert. Journal of Phycology. 2 indexed citations

17.

Olsen, Jørn, et al.. (1999). Comments on the article, of Olsen et al. (1998): Mediterranean Caulerpa taxifolia and Caulerpa mexicana (Chlorophyta) are not conspecific - Reply. Journal of Phycology. 35(2). 441–441. 2 indexed citations

18.

Olsen, Jørn, et al.. (1998). [Do women misuse health services?].. PubMed. 160(45). 6535–6535. 1 indexed citations

19.

Oppen, Madeleine J. H. van, Helen M. de Klerk, Jørn Olsen, & Wytze T. Stam. (1996). Hidden diversity in marine algae: genetic variation below the species level. Journal of the Marine Biological Association of the United Kingdom. 239–242. 1 indexed citations

20.

Olsen, Jørn, et al.. (1990). The Clinical Record Demonstration: Evolutionary Development and Prototyping of Clinical Functionalities.. PubMed Central. 950–951.

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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