Selected scientific works

• Grøntved, Julius & Seidenfaden, Gunnar
  Gunnar Seidenfaden
  Gunnar Seidenfaden was a Danish diplomat and botanist. He was Danish ambassador in Thailand 1955-1959, and in the U.S.S.R. 1959-1961. He was an expert on Southeast Asia Orchidaceae. He published several multi-volume works on orchids, e.g. The Orchids of Thailand – A Preliminary List and Orchid...
  
   (1938) The Phytoplankton of the waters West of Greenland
  Greenland
  Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...
  
   (The Godthaab Expedition 1928: Leader: Eigil Riis-Carstensen). Meddelelser om Grønland
  Meddelelser om Grønland
  Meddelelser om Grønland was a Danish scientific periodical issued by the Commission for Scientific Investigations in Greenland. Founded by Frederik Johnstrup, it was published from 1879 to 1979...
  
   82 (5): 1-380.

• Grøntved, J. (1940) Das Wattenmeer
  Wadden Sea
  The Wadden Sea is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern continental Europe and the range of Frisian Islands, forming a shallow body of water with tidal flats and wetlands. It is rich in biological diversity...
  
   bei Skallingen: Physiographisch-biologische Untersuchung eines dänischen Tidengebietes. 2. Quantitative und qualitative Untersuchung des Mikroplanktons während der Gezeiten. Folia Geographica Danica 2 (2): 1-67.

• Grøntved, J. (1948) On the taxonomy of the Dinoflagellates in general. Biologiske Skrifter / Kongelige Danske Videnskabernes Selskab 6 (1): 1−67.

• Bertelsen, E. & Grøntved, J. (1949) The light organs of a bathypelagic fish Argyropelecus
  Argyropelecus
  Argyropelecus is an oceanic ray-finned fish genus which belongs in the family Sternoptychidae. A collective name is "silver hatchetfishes", but this can also refer to a species of the freshwater hatchetfishes which are not particularly closely related but merely convergent...
  
   olfersi (Cuvier
  Georges Cuvier
  Georges Chrétien Léopold Dagobert Cuvier or Jean Léopold Nicolas Frédéric Cuvier , known as Georges Cuvier, was a French naturalist and zoologist...
  
  ) photographed by its own light. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening 111 (3): 163-167.

• Grøntved, J. (1949) Dansk botanisk literatur i 1944, 1945, 1946 og 1947 [translated title: Danish botanical literature 1944-1947]. Botanisk Tidsskrift
  Botanisk Tidsskrift
  Botanisk Tidsskrift was a Danish mixed scientific and amateur journal concerning botany, issued in Copenhagen by the Danish Botanical Society...
  
   48 (3).

• Grøntved, J. (1949) Investigations on the phytoplankton
  Phytoplankton
  Phytoplankton are the autotrophic component of the plankton community. The name comes from the Greek words φυτόν , meaning "plant", and πλαγκτός , meaning "wanderer" or "drifter". Most phytoplankton are too small to be individually seen with the unaided eye...
  
   in the Danish Wadden Sea in July 1941. Meddelelser fra Kommissionen for Danmarks Fiskeri- og Havundersøgelser: Serie Plankton 5(2):1-55.

• Grøntved, J. (1950) Phytoplankton studies. 1. Nitzschia
  Nitzschia
  Nitzschia is a common pennate marine diatom. In the scientific literature this genus is sometimes termed Nitzchia, this taxon has many species described, which all have a similar morphology.-Occurrence:...
  
   frigida Grun., an Arctic-inner-Baltic
  Baltic Sea
  The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...
  
   diatom found in Danish waters. Biologiske Meddelelser / Kongelige Danske Videnskabernes Selskab 18, 1-19.

• Grøntved, J. (1950) Phytoplankton studies. 2. A new biological type within the genus Chaetoceros
  Chaetoceros
  Chaetoceros is probably the largest genus of marine planktonic diatoms with approximately 400 species described. Although a large number of these descriptions are no longer valid. It is often very difficult to distinguish between different Chaetoceros species...
  
  , Chaetoceros sessilis sp.nov. Biologiske Meddelelser / Kongelige Danske Videnskabernes Selskab 18 (17): 1-19.

• Grøntved, J. (1950) The phytoplankton of Præstø
  Præstø
  Præstø is a town with a population of 3,884 and a former municipality in Vordingborg Municipality in Region Sjælland on the east coast of the island of Zealand near its southwestern tip in south Denmark. The former Præstø municipality included the islands of Maderne, Storeholm, and Lilleholm...
  
   Fjord. Folia Geographica Danica 3 (6): 143−186.

• Grøntved, J. (1951) Thichophrya danae sp.nov., a suctorial protozoan from Greenland waters. Meddelelser om Grønland 142 (8).

• Grøntved, J. (1952) Investigations on the phytoplankton in the southern North Sea
  North Sea
  In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...
  
   in May 1947. Meddelelser fra Kommissionen for Danmarks Fiskeri- og Havundersøgelser: Serie Plankton 5 (1): 1-49.

• Braarud, Trygve
  Trygve Braarud
  Trygve Braarud was a Norwegian botanist. He specialized in marine biology, and was affiliated with the University of Oslo for most of his career.-Career:...
  
  ; Gaarder, Karen Ringdal & Grøntved, J. (1953) The phytoplankton of the North Sea and adjacent waters in May, 1948. Rapports et procès-verbaux des réunions / Conseil Permanent International pour l'Exploration de la Mer 133: 1−87.

• Grøntved, J. (1954) Planktological contributions I. Meddelelser fra Danmarks Fiskeri- og Havundersøgelser, N.S. 1 (8): 1−7.

• Grøntved, J. (1956) Planktological contributions II. Taxonomical studies in some Danish coastal localities. Meddelelser fra Danmarks Fiskeri- og Havundersøgelser, N.S. 1 (12): 1−13.
• Grøntved, J. (1957) A sampler for underwater macrovegetation in shallow waters. Journal du Conseil / Conseil Permanent International pour l'Exploration de la Mer 22: 293-297.

• Grøntved, J. & Steemann Nielsen, E. 1957: Investigations on the phytoplankton in sheltered Danish marine localities. Meddelelser fra Kommissionen for Danmarks Fiskeri- og Havundersøgelser: Serie Plankton 5: 1−52.
• Grøntved, J. (1958) Underwater Macrovegetation in Shallow Coastal Waters. Journal du Conseil / Conseil Permanent International pour l'Exploration de la Mer 24: 32-42.

• Grøntved, J. (1960) Planktological contributions IV. Taxonomical and productional investigations in shallow coastal waters. Meddelelser fra Danmarks Fiskeri- og Havundersøgelser N.S. 3 (1): 1−17.

• Grøntved, J. (1960) On the productivity of microbenthos
  Benthos
  Benthos is the community of organisms which live on, in, or near the seabed, also known as the benthic zone. This community lives in or near marine sedimentary environments, from tidal pools along the foreshore, out to the continental shelf, and then down to the abyssal depths.Many organisms...
  
  and phytoplankton in some Danish fjords. Meddelelser fra Danmarks Fiskeri- og Havundersøgelser, N.S. 3 (3): 55-92.

• Grøntved, J. (1962) Preliminary report on the productivity of microbenthos and phytoplankton in the Danish Wadden Sea. Meddelelser fra Danmarks Fiskeri- og Havundersøgelser, N.S. 3 (12): 347-378.