Grethe Rytter Hasle

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Grethe Rytter Hasle
Born(1920-01-03)3 January 1920
Died9 November 2013(2013-11-09) (aged 93)
CitizenshipNorwegian
Alma materUniversity of Oslo
Scientific career
Fieldsplanktology
InstitutionsUniversity of Oslo
lecturer 1961–1977
professor 1977–1990
Academic advisorsTrygve Braarud
Author abbrev. (botany)Hasle

Grethe Berit Rytter Hasle (3 January 1920 – 9 November 2013) was a Norwegian planktologist. Among the first female professors of natural science at the University of Oslo, she specialized in the study of phytoplankton.

Personal life

Hasle was born in Borre as the daughter of shipmaster Johan Kristian Rytter (1890–1966) and his wife Nicoline Olava Nielsen (1885–1976). She married Hans Martin Hasle and took his name; he died in 1971.[1] She resided at Ekeberg in Norway[2] and died in November 2013.[3]

Career

She graduated from

dr.philos. degree in 1968 on the thesis An Analysis of the Phytoplankton of the Pacific Southern Ocean.[1]

Bacillariophyceae
.

She was hired as a lecturer at the

Bacillariophyceae.[6] The Bacillariophyceae genus Haslea has been named after her. She is also known for revising the morphological taxonomy of the genera Thalassiosira, Nitzschia and Fragilariopsis.[1]

She was honored with a Festschrift for her seventieth birthday, and she received the Award of Excellence from the Phycological Society of America in 2000 and the Yasumoto Lifetime Achievement Award from the International Society for the Study of Harmful Algae in 2003.[1]

Selected publications

  • Hasle, Grethe R.;
    JSTOR 3224555
    .
  • Rytter Hasle, Grethe (1976-04-01). "The biogeography of some marine planktonic diatoms". Deep Sea Research and Oceanographic Abstracts. 23 (4): 319–IN6.
    ISSN 0011-7471
    .
  • Hasle, G. R.; Lange, C. B.; Syvertsen, E. E. (1996). "A review ofPseudo-nitzschia, with special reference to the Skagerrak, North Atlantic, and adjacent waters". Helgoländer Meeresuntersuchungen. 50 (2): 131–175.
    S2CID 23937921
    .
  • .
  • Lundholm, Nina; Hasle, Grethe Rytter; .

References

  1. ^ a b c d e Throndsen, Jahn (2001). "Grethe Rytter Hasle". In Helle, Knut (ed.). Norsk biografisk leksikon (in Norwegian). Vol. 4. Oslo: Kunnskapsforlaget. Retrieved 27 March 2009.
  2. ^ "90 år 3. januar: Professor emerita Grethe Rytter Hasle" (in Norwegian). Norwegian News Agency. 16 December 2009.
  3. ^ Death announcement Archived 2013-12-02 at the Wayback Machine
  4. S2CID 90899912
    .
  5. .
  6. Store norske leksikon
    (in Norwegian).
  7. ^ International Plant Names Index.  Hasle.