Ragnar Nortvedt

1.7k total citations
44 papers, 1.4k citations indexed

About

Ragnar Nortvedt is a scholar working on Aquatic Science, Animal Science and Zoology and Immunology. According to data from OpenAlex, Ragnar Nortvedt has authored 44 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Aquatic Science, 24 papers in Animal Science and Zoology and 19 papers in Immunology. Recurrent topics in Ragnar Nortvedt's work include Aquaculture Nutrition and Growth (30 papers), Aquaculture disease management and microbiota (19 papers) and Meat and Animal Product Quality (18 papers). Ragnar Nortvedt is often cited by papers focused on Aquaculture Nutrition and Growth (30 papers), Aquaculture disease management and microbiota (19 papers) and Meat and Animal Product Quality (18 papers). Ragnar Nortvedt collaborates with scholars based in Norway, Iceland and Vietnam. Ragnar Nortvedt's co-authors include Marit Espe, Bjørn Roth, Anders Kiessling, Øyvind Lie, Hannes Hafsteinsson, Ole Torrissen, Marit Bjørnevik, Magny S. Thomassen, Sjöfn Sigurgísladóttir and Lars Helge Stien and has published in prestigious journals such as PLoS ONE, Food Chemistry and Aquaculture.

In The Last Decade

Ragnar Nortvedt

44 papers receiving 1.3k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ragnar Nortvedt Norway 22 893 670 330 254 229 44 1.4k
Olai Einen Norway 17 1.2k 1.3× 713 1.1× 616 1.9× 214 0.8× 347 1.5× 20 1.5k
M.D. Suárez Spain 21 809 0.9× 401 0.6× 348 1.1× 207 0.8× 268 1.2× 44 1.2k
Bianca Maria Poli Italy 17 1.2k 1.4× 530 0.8× 640 1.9× 197 0.8× 372 1.6× 41 1.6k
Sissel Albrektsen Norway 21 1.4k 1.6× 197 0.3× 623 1.9× 366 1.4× 483 2.1× 36 1.7k
Cosmas Nathanailides Greece 18 458 0.5× 217 0.3× 150 0.5× 152 0.6× 99 0.4× 53 855
Bjarne Hatlen Norway 28 1.3k 1.4× 191 0.3× 665 2.0× 183 0.7× 466 2.0× 53 1.6k
Warren G. Dominy United States 20 1.4k 1.6× 183 0.3× 671 2.0× 147 0.6× 250 1.1× 40 1.6k
Dipesh Debnath India 22 1.3k 1.4× 232 0.3× 595 1.8× 225 0.9× 269 1.2× 59 1.7k
Kjell‐Arne Rørvik Norway 13 554 0.6× 215 0.3× 288 0.9× 94 0.4× 192 0.8× 36 747
Priscila Vieira Rosa Brazil 20 754 0.8× 131 0.2× 399 1.2× 87 0.3× 332 1.4× 107 1.4k

Countries citing papers authored by Ragnar Nortvedt

Since Specialization
Citations

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

Fields of papers citing papers by Ragnar Nortvedt

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ragnar Nortvedt

This figure shows the co-authorship network connecting the top 25 collaborators of Ragnar Nortvedt. A scholar is included among the top collaborators of Ragnar Nortvedt 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 Ragnar Nortvedt. Ragnar Nortvedt is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Volkmann, Hilde Løland von, Ingeborg Brønstad, Odd Helge Gilja, et al.. (2017). Prolonged intestinal transit and diarrhea in patients with an activating GUCY2C mutation. PLoS ONE. 12(9). e0185496–e0185496. 14 indexed citations
2.
Stien, Lars Helge, et al.. (2014). The Effect of Stunning Methods and Season on Muscle Texture Hardness in Atlantic Salmon ( Salmo salar L.). Journal of Food Science. 79(6). E1137–41. 15 indexed citations
3.
4.
Foss, Atle, et al.. (2011). Live chilling of Atlantic salmon: physiological response to handling and temperature decrease on welfare. Fish Physiology and Biochemistry. 38(2). 565–571. 32 indexed citations
5.
Roth, Bjørn, et al.. (2011). Crowding, pumping and stunning of Atlantic salmon, the subsequent effect on pH and rigor mortis. Aquaculture. 326-329. 178–180. 33 indexed citations
6.
Roth, Bjørn, et al.. (2010). Electrical stimulation of Atlantic salmon muscle and the effect on flesh quality. Aquaculture. 301(1-4). 85–90. 14 indexed citations
7.
8.
9.
Sone, Izumi & Ragnar Nortvedt. (2009). A consumer preference study of raw Norwegian rainbow trout (Oncorhynchus mykiss) assashimiwith focus on young adults in Japan. International Journal of Food Science & Technology. 44(10). 2055–2061. 12 indexed citations
10.
Nortvedt, Ragnar. (2007). The opportunities in the catfish surplus market in Vietnam. Duo Research Archive (University of Oslo). 2 indexed citations
11.
Roth, Bjørn, Rian Schelvis-Smit, Lars Helge Stien, et al.. (2007). Exsanguination of Turbot and the Effect on Fillet Quality Measured Mechanically, by Sensory Evaluation, and with Computer Vision. Journal of Food Science. 72(9). E525–31. 19 indexed citations
12.
Foss, Atle, Sigurd O. Stefansson, Ian Mayer, et al.. (2006). Compensatory growth and fillet crude composition in juvenile Atlantic halibut: Effects of short term starvation periods and subsequent feeding. Aquaculture. 261(1). 109–117. 75 indexed citations
13.
Stien, Lars Helge, Marit Bjørnevik, Ørjan Karlsen, et al.. (2005). The effects of stress and storage temperature on the colour and texture of pre-rigor filleted farmed cod (Gadus morhua L.). Aquaculture Research. 36(12). 1197–1206. 85 indexed citations
14.
Hamre, Kristin, et al.. (2003). Macronutrient composition of formulated diets for Atlantic halibut (Hippoglossus hippoglossus, L.) juveniles. Aquaculture. 227(1-4). 233–244. 54 indexed citations
15.
Noji, Thomas T., Knut Yngve Børsheim, Francisco Rey, & Ragnar Nortvedt. (1999). Dissolved organic carbon associated with sinking can be crucial for estimates of vertical carbon flux. Sarsia. 84(2). 129–135. 28 indexed citations
16.
Nortvedt, Ragnar, et al.. (1992). Multivariate approach to the study of fish growth. Chemometrics and Intelligent Laboratory Systems. 14(1-3). 279–286. 3 indexed citations
17.
Holm, Marianne, et al.. (1991). Coastal releases of Atlantic salmon, a new model for salmon ranching in Norway. Duo Research Archive (University of Oslo). 1 indexed citations
18.
Stefansson, Sigurd O., Ragnar Nortvedt, Tom Hansen, & Geir Lasse Taranger. (1990). First feeding of Atlantic salmon, Salmo salar L., under different photoperiods and light intensities. Aquaculture Research. 21(4). 435–441. 15 indexed citations
19.
Nortvedt, Ragnar. (1986). The timing of emergence of Atlantic salmon and rainbow trout, incubated on different substrates. Duo Research Archive (University of Oslo). 5 indexed citations
20.
Nortvedt, Ragnar, Tom Hansen, Marianne Holm, & Ole Torrissen. (1985). The effect of illumination on alevins of Atlantic salmon (Salmo salar) and rainbow trout (S. gairdneri), incubated on different substrates. Duo Research Archive (University of Oslo). 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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