Grethe Rytter Hasle

Grethe Rytter Hasle's AcademicInfluence.com Rankings

Grethe Rytter Hasle

Biology

#10437

World Rank

#13767

Historical Rank

Oceanography

#196

World Rank

#216

Historical Rank

Marine Biology

#228

World Rank

#254

Historical Rank

Zoology

#449

World Rank

#966

Historical Rank

biology Degrees

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Biology

Why Is Grethe Rytter Hasle Influential?

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According to Wikipedia, Grethe Berit Rytter Hasle 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 and his wife Nicoline Olava Nielsen . She married Hans Martin Hasle and took his name; he died in 1971. She resided at Ekeberg in Norway and died in November 2013.

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Grethe Rytter Hasle's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Diatoms: Cleaning and Mounting for Light and Electron Microscopy (1970) (454)
Chapter 2 – Marine Diatoms (1996) (373)
A STUDY OF THE PSEUDO‐NITZSCHIA PSEUDODELICATISSIMA/CUSPIDATA COMPLEX (BACILLARIOPHYCEAE): WHAT IS P. PSEUDODELICATISSIMA? 1 (2003) (256)
Are most of the domoic acid-producing species of the diatom genus Pseudo-nitzschia cosmopolites? (2002) (239)
The biogeography of some marine planktonic diatoms (1976) (179)
Nitzschia and Fragilariopsis species studied in the light and electron microscopes. III. The genus Fragilariopsis (1965) (134)
PHOTOTACTIC VERTICAL MIGRATION IN MARINE D INOFLAGELLATES (1950) (125)
Morphology, phylogeny and taxonomy of species within the Pseudo-nitzschia americana complex (Bacillariophyceae) with descriptions of two new species, Pseudo-nitzschia brasiliana and Pseudo-nitzschia linea (2002) (116)
THALASSIOSIRA ECCENTRICA (EHRENB.) CLEVE, T. SYMMETRICA SP. NOV., AND SOME RELATED CENTRIC DIATOMS 1 (1972) (113)
PSEUDO‐NITZSCHIA PUNGENS AND P. MULTISERIES (BACILLARIOPHYCEAE): NOMENCLATURAL HISTORY, MORPHOLOGY, AND DISTRIBUTION 1 (1995) (106)
Some freshwater and brackish water species of the diatom genus Thalassiosira Cleve (1978) (94)
Cymatosiraceae, a new diatom family (1983) (94)
Phytoplankton of Norwegian coastal waters (2007) (90)
Nomenclatural notes on marine planktonic diatoms. The family Bacillariaceae (1993) (81)
Seasonal cycle of diatoms in the Skagerrak, North Atlantic, with emphasis on the period 1980–1990 (1992) (80)
A review ofPseudo-nitzschia, with special reference to the Skagerrak, North Atlantic, and adjacent waters (1996) (79)
Some Species of the Centric Diatom Genus Thalassiosira Studied in the Light and Electron Microscopes (1970) (76)
Some Thalassiosira species with one central process (Bacillariophyceae) (1978) (74)
PSEUDO‐NITZSCHIA AS A GENUS DISTINCT FROM NITZSCHIA (BACILLARIOPHYCEAE) 1 (1994) (74)
The net phytoplankton in Kongsfjorden, Svalbard, July 1988, with general remarks on species composition of Arctic phytoplankton (1998) (70)
THE MARINE DIATOM THALASSIOSIRA OESTRUPII: STRUCTURE, TAXONOMY AND DISTRIBUTION (1980) (70)
Morphology and distribution of the marine centric diatom Thalassiosira antarctica Comber (1968) (67)
Freshwater and brackish water Thalassiosira (Bacillariophyceae): taxa with tangentially undulated valves (1989) (66)
Synedropsis gen. nov., a genus of araphid diatoms associated with sea ice (1994) (66)
A quantitative study of phytoplankton from the equatorial Pacific (1959) (65)
Taxonomy of harmful diatoms (2003) (65)
Phytoplankton and ciliate species from the tropical Pacific (1960) (63)
Atlas and Catalogue of the Diatom Types of Friedrich Hustedt (1988) (61)
THE MARINE, PLANKTONIC DIATOMS THALASSIOSIRA OCEANICA SP. NOV. AND T. PARTHENEIA 1 (1983) (60)
BRACKISH WATER AND FRESHWATER SPECIES OF THE DIATOM GENUS SKELETONEMA. II. SKELETONEMA POTAMOS COMB. NOV. 1 (1976) (52)
The Fine Structure of Some Thalassionema and Thalassiothrix Species (1967) (50)
Brackish-water and fresh-water species of the diatom genus Skeletonema Grev. I. Skeletonema subsalsum (A. Cleve) Bethge (1975) (50)
Identifying Marine Diatoms and Dinoflagellates (1996) (50)
Pseudo-nitzschia seriata f. obtusa (Bacillariophyceae) raised in rank based on morphological, phylogenetic and distributional data (2005) (49)
Morphology and taxonomy of Actinocyclus normanii f. subsalsa (Bacillariophyceae) (1977) (46)
The diatom genera Stellarima and Symbolophora with comments on the genus Actinoptychus (1986) (46)
Some Nitzschia and related diatom species from fast ice samples in the Arctic and Antarctic (1990) (44)
The genus Thalassiosira: species with internal extensions of the strutted processes (1979) (43)
Examination of diatom type material: Nitzschia delicatissima Cleve, Thalassiosira minuscula Krasske, and Cyclotella nana Hustedt (1976) (38)
Thalassiosira punctigera (Castr.) comb. nov., a widely distributed marine planktonic diatom (1983) (37)
THE MARINE, PLANKTONIC DIATOM FAMILY THALASSIONEMATACEAE: MORPHOLOGY, TAXONOMY AND DISTRIBUTION (2001) (37)
The annual phytoplankton cycle at Drobak, Oslofjord (1960) (36)
THE MARINE PLANKTONIC DIATOMS THALASSIOTHRIX LONGISSIMA AND THALASSIOTHRIX ANTARCTICA WITH COMMENTS ON THALASSIONEMA SPP. AND SYNEDRA REINBOLDII (1987) (33)
MORPHOLOGY AND DISTRIBUTION OF COSCINODISCUS SPECIES FROM THE OSLOFJORD, NORWAY, AND THE SKAGERRAK, NORTH ATLANTIC (1992) (33)
Fragilariopsis (Bacillariophyceae) of the Northern Hemisphere – morphology, taxonomy, phylogeny and distribution, with a description of F. pacifica sp. nov. (2010) (29)
FOSSULA ARCTICA GEN. NOV., SPEC. NOV., A MARINE ARCTIC ARAPHID DIATOM (1996) (28)
Thalassiosiropsis, a new diatom genus from the fossil records (1985) (27)
The Diatom Genus Coscinodiscus Ehrenb.: C. argus Ehrenb. and C. radiatus Ehrenb. (1986) (26)
The diatom genus Eucampia: morphology and taxonomy (1983) (24)
Two Recent Stellarima Species: S. microtrias and S. stellaris (Bacillariophyceae) (1988) (22)
Phytoplankton and Hydrography of the Pacific Part of the Antarctic Ocean (1956) (21)
Nitzschia cylindroformis sp. nov., a common and abundant nanoplankton diatom of the eastern subarctic Pacific (1984) (20)
Validation of the Names of Some Marine Planktonic Species of Nitzschia (Bacillariophyceae) (1974) (19)
Thalassiosira bulbosa Syvertsen, sp. nov., an arctic marine diatom (1984) (17)
Navicula endophytica Sp.Nov., A pennate diatom with an unusual mode of existence (1968) (17)
TWO CRETACEOUS STELLARIMA SPECIES: S. STEINYI AND S. DISTINCTA; THEIR MORPHOLOGY, PALAEOGEOGRAPHY AND PHYLOGENY (1987) (13)
The Inclusion of Coscinosira Gran (Bacillariophyceae) in Thalassiosira Cleve (1972) (13)
The morphology of the diatom resting spores Syringidium bicorne and syringidium simplex (1985) (11)
New nomenclatural combinations of marine planktonic diatoms. The families Thalassiosiraceae and Rhaphoneidaceae (1993) (10)
Morphologic Variability in Fasciculated Diatoms as Exemplified by Thalassiosira Tumida (Janisch) Hasle, Comb. Nov. (2013) (7)
The antarctic diatoms Thalassiosira dichotomica (Kozlova) comb. nov. and T. ambigua kozlova (1983) (7)
Corethron Criophilum Castracane: Its distribution and structure (2013) (7)
NOMENCLATURAL NOTES ON PALMERINA NOM. NOV.: PSEUDO-NITZSCHIA TURGIDULOIDES SP. NOV. (1995) (7)
Algal Ecology@@@Primary Productivity and Benthic Marine Algae of the Antarctic and Subantarctic. (1970) (7)
Taxonomic and nomenclatural history of Fragilaria (Bacillariophyceae) (2006) (6)
1087) Proposal to Conserve Thalassiosiraceae against Lauderiaceae and Planktoniellaceae (Algae) (1994) (6)
Nitzschia pungiformis bacillariophyceae a new species of the nitzschia seriata group (1971) (5)
1283) Proposal to Conserve the Name Synedra nitzschioides (Bacillariophyceae) with a Conserved Type to Preserve the Current Application of the Generic Name Thalassionema (1997) (5)
Chapter 1 – Introduction and Historical Background (1996) (5)
THE PLANKTONIC MARINE DIATOM THALASSIOSIRA MEDITERRANEA (SYNONYM THALASSIOSIRA STELLARIS) (1990) (5)
(1061) Proposal to conserve Thalassiothrix Cleve & Grunow (Bacillariophyceae) with a conserved type (1993) (5)
Thalassionema synedriforme comb. nov. and Thalassiothrix spathulata sp. nov., two marine, planktonic diatoms from warm waters (1999) (5)
698) Proposal to Conserve the Generic Name Cerataulina against Syringidium (Bacillariophyta) (1983) (5)
Annual cycle of Pseudo-nitzschia species in Outer Oslofjorden, Norway (2012) (4)
THE FORMAL ESTABLISHMENT OF THE FAMILY STELLARIMACEAE NIKOLAEV EX SIMS & HASLE (1990) (4)
Diatoms in young sediments and net samples from the Kattegat (1996) (3)
(1653) Proposal to conserve the name Fragilariopsis against Pseudo-eunotia (Bacillariophyceae) (2005) (3)
International society for diatom research founded 1985 (1986) (2)
Contributions to the knowledge of microalgae particularly diatoms (1990) (2)
A catalogue of Svalbard plants, fungi, algae and cyanobacteria. Part 8. Marine microalgae (1996) (1)
Arctic diatoms in the oslofjord norway and the baltic sea a biogeographic and paleogeographic problem (1990) (1)
Identifying marine phytoplankton: introduction and historical background (1997) (0)
Contributor's Foreword (1996) (0)
Professor Maj-Britt Florin (1905–1993) (1994) (0)
Trygve Braarud 15 SEPTEMBER 1903–9 JULY 1985 (1986) (0)

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