Overview

Brief Summary

Ecology

Blooms of this genus were recorded as early as 1937 in the Oslo Fjord (Braarud, 1945) an have occured more recently as G. sanguinum with concentrations up to 35 106 ind/l.
  • Reid, P.C.; Lancelot, C.; Gieskes, W.W.C.; Hagmeier, E.; Weichart, G. (1990). Phytoplankton of the North Sea and its dynamics: a review. Neth. J. Sea Res. 26(2-4): 295-331
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Source: World Register of Marine Species

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Comprehensive Description

Description of Gymnodinium

Gymnodiniid dinoflagellate, cingulum said to lie more or less median; sulcus straight; many species, marine and freshwater; some toxic.
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biopedia

Source: BioPedia

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Ecology

Habitat

pelagic
  • North-West Atlantic Ocean species (NWARMS)
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Depth range based on 12229 specimens in 78 taxa.
Water temperature and chemistry ranges based on 4463 samples.

Environmental ranges
  Depth range (m): 0 - 3889
  Temperature range (°C): -2.058 - 27.027
  Nitrate (umol/L): 0.134 - 31.356
  Salinity (PPS): 17.940 - 39.081
  Oxygen (ml/l): 4.344 - 9.192
  Phosphate (umol/l): 0.048 - 2.337
  Silicate (umol/l): 0.687 - 65.747

Graphical representation

Depth range (m): 0 - 3889

Temperature range (°C): -2.058 - 27.027

Nitrate (umol/L): 0.134 - 31.356

Salinity (PPS): 17.940 - 39.081

Oxygen (ml/l): 4.344 - 9.192

Phosphate (umol/l): 0.048 - 2.337

Silicate (umol/l): 0.687 - 65.747
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Life History and Behavior

Behavior

Diet

general for group: both heterotrophic (eat other organisms) and autotrophic (photosynthetic)
  • North-West Atlantic Ocean species (NWARMS)
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Evolution and Systematics

Evolution

Classification

This genus was originally placed under the family Gymnodiniidae as proposed by Hayward and Ryland (1990).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:71Public Records:43
Specimens with Sequences:54Public Species:7
Specimens with Barcodes:16Public BINs:1
Species:9         
Species With Barcodes:7         
          
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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Gymnodinium

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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Gymnodinium

Gymnodinium is a genus of dinoflagellates. It is one of the few naked dinoflagellates, or species lacking armor (cellulosic plates). Since 2000, the species which had been considered to be part of Gymnodinium have been divided into several genera, based on the nature of the apical groove and partial LSU rDNA sequence data.[2] Amphidinium was redefined later.[3][4]

References

  1. ^ Guiry, M.D.; Guiry, G.M. (2008). "Gymnodinium". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/search/genus/detail/?genus_id=43632. Retrieved 2009-02-21.
  2. ^ Daugbjerg, N., G. Hansen, J. Larsen, and Ø. Moestrup. 2000. Phylogeny of some of the major genera of dinoflagellates based on ultrastructure and partial LSU rDNA sequence data, including the erection of three new genera of unarmoured dinoflagellates. Phycologia 39:302-317.
  3. ^ Flo Jorgensen, M., Murray, S., Daugbjerg, N. 2004a. Amphidinium revisited. I. Redefinition of Amphidinium (Dinophyceae) based on cladistic and molecular phylogenetic analysis, Journal of Phycology 40, 351-365.
  4. ^ Murray, S., Flo Jorgensen, M., Daugbjerg, N. and Rhodes, L. Amphidinium revisited. II. Resolving species boundaries in the Amphidinium operculatum species complex (Dinophyceae), including the descriptions of Amphidinium trulla sp. nov. and Amphidinium gibbosum comb. nov. Journal of Phycology 40, 366-382.
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